Area Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 172005
AFMSJU

Area Forecast Matrices
National Weather Service San Juan PR
405 PM AST Sun Oct 17 2021

PRZ001-180815-
San Juan and Vicinity-
Including the cities of Bayamon, Carolina, Catano, Guaynabo,
San Juan, Toa Alta, Toa Baja, and Trujillo Alto
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 74 78          87    71 76 80    84 88 90    70 75 79
Temp          82 79 77 75 74 82 86 87 82 80 78 77 76 83 87 88 82 79 77 76 75 82
Dewpt         76 75 75 74 73 75 75 76 76 74 74 74 73 75 75 75 75 74 74 73 73 75
RH            82 88 94 97 97 79 70 70 82 82 88 90 90 77 68 66 79 85 90 90 94 79
Wind dir       E SE  S  S SW  N NE NE  E  E SE  S  E NE NE NE  E  E  E  E  E  E
Wind spd       2  2  2  1  1  1  3  4  3  3  3  2  2  2  5  8  8  6  6  6  6  8
Clouds        B2 B1 SC B1 B1 B1 SC B2 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     50          60          50          30          30
QPF 12hr              0.19-0.45   0.55-1.25   0.13-0.25   0.05-0.12        0.03
Rain shwrs    SC SC IS SC SC SC SC NM SC SC SC SC SC IS IS SC SC IS IS IS IS SC
Tstms            IS                SC IS IS IS IS IS
Heat index    89 80          88 95 98 89 83          90 95 98 88 80          88
Max heat         98    87    92   102   100    89    95   102   100    89    94


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      75    89      75    89      75    89      75    89
Temp          87 79   76 83 89 79   76 83 89 79   76 83 89 79   76 83 89 81
Dewpt         75 74   73 73 73 73   73 73 71 72   72 73 72 73   73 74 73 73
PWind dir         E       E     E       E     E       E     E      SE     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 SC SC SC   SC SC SC FW   SC FW FW SC   SC SC SC SC
PoP 12hr         70      40    40      40    30      30    30      30    20
Rain shwrs    SC SC   SC SC IS SC   SC SC SC IS   SC IS IS IS   IS IS IS IS
Tstms         IS IS   IS IS

$$

PRZ002-180815-
Northeast-
Including the cities of Ceiba, Canovanas, Fajardo, Humacao,
Loiza, Luquillo, Naguabo, and Rio Grande
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                67 73 79    78 87 90    67 74 80    78 87 90    66 74 80
Temp          80 77 75 74 73 81 86 87 81 78 77 75 74 81 86 87 81 78 77 75 74 81
Dewpt         75 74 74 73 72 74 74 75 74 74 74 73 73 74 74 74 74 73 73 73 73 74
RH            85 90 97 97 97 79 68 68 79 88 90 94 97 79 68 65 79 85 87 94 97 79
Wind dir      SE SE SE  S  S  E  E  E  E  E  E NE NE NE NE  E  E  E  E  E  E  E
Wind spd       3  3  2  2  2  2  3  4  4  3  3  3  3  4  6  9  9  8  8  9  9  9
Clouds        B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     60          50          50          30          50
QPF 12hr              0.43-0.58   0.27-0.83   0.22-0.33   0.06-0.19   0.04-0.12
Rain shwrs    SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms            IS IS          IS IS IS IS IS IS IS       IS IS
Heat index    85             86 94 96 86             87 94 95 86 80          86
Max heat         97    87    94   103   102    89    93   102   100    88    94


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      76    86      76    87      76    87      76    87
Temp          86 79   77 81 86 79   77 82 87 79   77 82 87 79   77 82 87 78
Dewpt         74 74   73 72 73 73   73 73 72 72   71 73 73 73   73 73 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 B1 SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60      60    50      50    40      40    40      40    30
Rain shwrs    SC SC   NM SC SC SC   SC SC SC IS   SC SC SC SC   SC SC SC IS
Tstms         IS IS   IS IS

$$

PRZ003-180815-
Southeast-
Including the cities of Arroyo, Guayama, Maunabo, Patillas,
Salinas, and Yabucoa
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                69 73 81    81 87 90    68 74 80    81 87 90    67 74 80
Temp          81 78 76 74 73 81 86 87 81 78 76 75 74 81 86 87 81 78 76 75 74 81
Dewpt         74 74 73 73 72 74 74 74 74 73 73 72 72 73 73 74 74 73 73 72 72 73
RH            79 88 90 97 97 79 68 65 79 85 90 90 93 77 65 65 79 85 90 90 93 77
Wind dir      SE SE  E  N NE  E  E SE  E NE NE NE NE NE NE  E  E NE NE NE NE NE
Wind spd       3  2  2  2  2  2  4  5  4  3  3  4  4  4  6  8  8  8  8  8  8  9
Clouds        B1 B1 SC B1 B1 B1 B1 SC B1 SC SC SC SC SC SC B1 B1 SC SC SC SC B1
PoP 12hr                     50          40          30          30          40
QPF 12hr              0.20-0.52   0.21-1.21   0.01-0.25   0.08-0.14   0.01-0.07
Rain shwrs    SC SC SC SC SC SC SC SC SC IS SC IS IS IS IS SC SC IS IS IS IS SC
Tstms            IS             IS IS IS    IS IS IS       IS IS
Heat index    85             85 93 96 86             86 93 95 85             85
Max heat         97    90    92   103   100    89    92   102   100    89    92


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      75    86      75    87      75    86      75    87
Temp          86 78   76 81 86 78   76 82 87 78   76 81 86 78   76 82 87 79
Dewpt         73 73   72 71 72 72   72 72 70 71   71 72 72 72   72 73 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 SC SC SC   SC SC SC FW   SC SC FW SC   SC SC SC SC
PoP 12hr         50      50    40      40    40      30    30      30    20
Rain shwrs    SC SC   SC SC IS SC   SC SC IS IS   SC IS IS IS   SC SC IS IS
Tstms         IS IS   IS IS

$$

PRZ004-180815-
Eastern Interior-
Including the cities of Aguas Buenas, Caguas, Cayey, Cidra,
Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                68 72 76    80 85 89    66 73 77    80 86 89    65 73 76
Temp          79 76 74 73 72 79 84 85 80 77 75 74 73 80 85 86 79 77 75 74 73 79
Dewpt         74 73 73 72 71 73 73 74 73 72 72 71 71 73 73 73 73 72 72 71 71 73
RH            85 90 97 97 97 82 70 70 79 85 90 90 93 79 67 65 82 85 90 90 93 82
Wind dir      SE SW SW  S  S SE SE SE  E  E  E  E NE NE NE  E  E NE  E  E  E  E
Wind spd       3  2  2  1  1  2  3  4  3  3  3  3  3  3  5  8  6  5  5  5  6  6
Clouds        B1 B1 SC B1 B1 B1 B1 B1 B2 SC B1 SC SC SC SC B1 B1 SC SC SC SC B1
PoP 12hr                     50          60          50          40          40
QPF 12hr              0.20-0.50   0.35-1.38   0.03-0.25   0.08-0.16   0.01-0.07
Rain shwrs    SC SC IS SC SC SC SC SC NM SC SC SC SC IS IS SC SC IS IS IS IS SC
Tstms            IS             IS IS SC IS IS IS IS       IS IS
Heat index    82             82 91 93 83             84 91 93 83             82
Max heat         94          91   100    99    84    90    99    98          89


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      73    86      73    86      73    86      73    87
Temp          84 76   74 80 86 77   74 80 86 77   74 80 86 77   74 81 87 78
Dewpt         72 72   71 71 71 72   71 72 69 71   70 71 71 71   71 72 71 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1   B1 SC SC SC   SC SC SC SC   SC SC FW SC   SC SC SC B1
PoP 12hr         70      50    40      40    40      30    30      30    20
Rain shwrs    NM NM   SC SC IS SC   SC SC SC IS   SC IS IS IS   SC SC IS IS
Tstms         IS IS   IS IS

$$

PRZ005-180815-
North Central-
Including the cities of Arecibo, Barceloneta, Dorado, Florida,
Manati, Vega Alta, and Vega Baja
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 74 77          88    70 76 80    84 88 91    69 75 79
Temp          81 78 76 75 74 82 87 88 82 79 78 77 76 82 87 88 81 79 77 76 75 82
Dewpt         75 74 74 73 72 74 75 76 75 74 74 72 72 74 75 76 75 74 73 73 72 74
RH            82 88 94 94 93 77 68 68 79 85 88 85 87 77 68 68 82 85 87 90 90 77
Wind dir       E SE SE  S  E  N NE NE  E  E SE  S SE NE NE NE  E  E  E  E  E  E
Wind spd       2  2  2  2  2  2  2  3  4  3  3  3  2  3  5  8  8  6  6  5  6  8
Clouds        B2 SC FW B1 B1 SC FW B2 B1 SC B1 SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     30          60          30          30          10
QPF 12hr              0.04-0.28   0.49-1.08   0.01-0.21   0.06-0.14        0.01
Rain shwrs    NM IS    SC SC IS    SC SC IS SC IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                   IS IS    IS             IS IS
Heat index    88             87 96 98 89 82          89 96 98 88 80          87
Max heat        100    87    93   103   102    90    96   105   103    89    96


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      75    88      74    88      75    88      74    89
Temp          87 78   76 82 88 79   75 82 88 79   76 82 88 79   75 83 89 81
Dewpt         76 74   73 74 72 73   72 73 72 72   71 72 72 72   72 73 73 73
PWind dir         E       E     E       E     E       E     E      SE     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         70      10    30      20    20      10    20      10    20
Rain shwrs    IS NM   IS IS IS SC   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms         IS IS            IS

$$

PRZ006-180815-
Central Interior-
Including the cities of Aibonito, Baranquitas, Ciales, Coamo,
Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                63 71 78    80 86 89    62 71 77    78 86 90    61 70 76
Temp          79 76 74 72 71 79 85 86 79 75 73 72 71 79 85 86 78 75 72 71 70 78
Dewpt         72 71 71 71 70 71 72 73 71 71 70 70 69 70 71 72 72 71 70 69 68 71
RH            79 85 90 97 97 77 65 65 77 87 90 93 93 74 63 63 82 87 93 93 93 79
Wind dir      SE SE SE SE SE  E SE SE  E  E  E  E  E NE  E  E  E NE  E  E  E  E
Wind spd       2  2  2  2  2  2  2  3  3  3  3  3  3  3  4  6  5  5  5  5  6  6
Clouds        B2 SC FW SC SC SC SC B2 B2 FW SC SC SC SC SC B1 B1 SC SC SC SC SC
PoP 12hr                     30          70          10          40          10
QPF 12hr              0.04-0.24   0.71-1.38   0.00-0.14   0.10-0.68        0.01
Rain shwrs    NM IS    SC SC IS IS NM NM IS IS IS IS IS IS SC SC IS IS IS IS IS
Tstms         IS                   SC SC    IS             IS IS
Heat index    81             82 91 93 81             82 90 92 80             80
Max heat         96    86    91   100    99    84    91   102   100          89


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          84      70    86      70    86      70    86      70    86
Temp          84 74   71 79 86 75   71 79 86 75   71 79 86 75   71 79 86 76
Dewpt         71 71   69 70 68 70   69 70 68 69   68 69 68 69   69 70 69 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         70      10    40      30    30      20    20      10    20
Rain shwrs    NM NM   IS IS IS SC   SC IS IS IS   IS IS IS IS   IS IS IS IS
Tstms         IS IS         IS IS            IS

$$

PRZ007-180815-
Ponce and Vicinity-
Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas,
Ponce, and Santa Isabel
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                63 73 78    79 87 90    62 73 77    78 88 92    61 72 76
Temp          80 77 75 74 73 81 86 87 80 77 75 74 73 81 87 88 80 77 75 73 72 80
Dewpt         74 73 73 72 71 72 73 74 73 72 72 71 70 72 72 73 73 72 71 70 69 71
RH            82 87 94 93 93 74 65 65 79 85 90 90 90 74 61 61 79 85 87 90 90 74
Wind dir      SE  E NE NE  E  E SE  S  E NE NE NE NE NE  E SE  E NE NE NE NE NE
Wind spd       3  2  2  2  2  2  3  4  3  3  3  3  3  3  4  5  5  4  4  5  5  6
Clouds        B2 SC SC SC SC SC SC B1 B2 FW FW FW FW FW FW B2 B2 SC SC SC SC SC
PoP 12hr                     30          70           5          70          10
QPF 12hr              0.03-0.23   0.21-1.36           0   0.13-0.80        0.01
Rain shwrs    NM IS IS IS IS SC IS SC NM IS    IS IS IS IS NM NM IS IS IS IS IS
Tstms         IS                   IS SC                   IS IS
Heat index    85             85 93 95 85             85 93 96 85             83
Max heat         98    86    92   103   100    84    92   105   102    84    90


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      72    86      73    87      73    86      73    87
Temp          86 77   73 80 86 77   74 81 87 77   74 80 86 77   74 81 87 78
Dewpt         73 72   70 71 70 71   70 71 71 70   69 70 70 71   70 71 71 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   SC SC SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         70      10    20      10    20      20    10      10    20
Rain shwrs    IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms         IS IS

$$

PRZ008-180815-
Northwest-
Including the cities of Aguadilla, Camuy, Hatillo, Isabela,
and Quebradillas
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                71 74 77          87    70 74 77    85 87 91    69 73 76
Temp          81 78 76 75 74 81 86 87 81 78 76 75 74 82 86 87 81 78 76 74 73 81
Dewpt         73 73 73 73 72 73 73 74 73 73 73 72 71 72 73 74 73 73 73 72 71 72
RH            77 85 90 94 93 77 65 65 77 85 90 90 90 72 65 65 77 85 90 93 93 74
Wind dir      NE SE SE SE  E  N NE  N NE  E  E SE  E  E  E NE  E  E  E  E  E  E
Wind spd       2  2  2  3  2  2  3  4  4  4  4  3  3  4  5  8  8  6  6  6  8  9
Clouds        OV FW FW SC SC FW FW B2 SC FW FW SC SC SC SC B1 B1 SC SC SC SC FW
PoP 12hr                     10          50          10          30          10
QPF 12hr              0.01-0.08   0.24-1.08        0.02   0.08-0.14        0.01
Rain shwrs     D IS    IS IS IS    SC SC IS    IS IS IS IS SC SC IS IS IS IS IS
Tstms         SC                   IS IS                   IS IS
Heat index    85             86 93 95 86             86 93 96 85             85
Max heat         94    84    90   102    99    84    91   103   101          90


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      73    86      73    87      73    87      73    87
Temp          86 77   74 81 86 77   74 81 87 78   74 81 87 78   74 81 87 79
Dewpt         74 73   72 72 70 72   71 71 73 71   70 70 72 71   71 71 72 72
PWind dir         E       E     E       E     E       E     E      SE     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   FW FW SC SC   FW FW FW FW   FW FW SC SC
PoP 12hr         70      10    40      10    40      20    20      10    20
Rain shwrs    NM NM   IS IS SC SC   IS IS SC SC   IS IS IS IS   IS IS IS IS
Tstms         IS IS         IS IS         IS IS

$$

PRZ009-180815-
Western Interior-
Including the cities of Adjuntas, Lares, Las Marias, Maricao,
Sabana Grande, San Sebastian, and Utuado
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                65 71 75    81 86 90    63 71 78    81 87 91    62 70 77
Temp          79 76 74 72 71 80 85 86 79 75 73 72 71 80 86 87 79 75 73 71 70 79
Dewpt         72 72 71 71 70 71 71 73 71 71 70 70 69 70 70 72 72 71 70 69 68 69
RH            79 87 90 97 97 74 63 65 77 87 90 93 93 72 59 61 79 87 90 93 93 72
Wind dir      SE SE SE SE SE  E SE  S SE  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd       2  2  2  3  2  2  2  2  3  3  3  3  3  3  3  4  4  4  4  5  5  6
Clouds        OV FW FW FW SC SC FW B2 B2 FW FW FW FW SC SC B2 B2 SC SC SC SC SC
PoP 12hr                     10          70           5          60          10
QPF 12hr              0.01-0.11   0.64-1.29        0.01   0.10-0.76        0.01
Rain shwrs     D       IS IS IS IS NM NM       IS IS IS IS NM NM IS IS IS IS IS
Tstms         SC                   SC SC                   IS IS
Heat index    81             82 91 93 81             83 91 94 81             81
Max heat         94          90   101    99    86    93   102   101    84    90


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          86      70    86      70    87      70    86      70    86
Temp          86 75   71 79 86 75   71 79 87 75   71 79 86 75   71 79 86 76
Dewpt         72 71   69 70 67 70   69 69 69 68   68 68 68 69   68 69 69 70
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        LT      LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   FW FW SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         70      10    60      10    60      30    30      10    30
Rain shwrs    NM NM   IS IS IS IS   IS IS IS SC   IS IS IS IS   IS IS IS IS
Tstms         IS IS         IS IS         IS IS

$$

PRZ010-180815-
Mayaguez and Vicinity-
Including the cities of Aguada, Anasco, Hormigueros, Mayaguez,
Moca, Rincon, and San German
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                69 74 78    84 88 91    66 75 80    84 89 92    65 74 79
Temp          81 79 77 75 74 82 87 88 82 79 77 76 75 83 88 89 82 79 77 75 74 81
Dewpt         74 74 74 73 72 73 74 74 74 74 73 72 71 73 73 74 74 74 73 72 71 72
RH            79 85 90 94 93 74 65 63 77 85 87 87 87 72 61 61 77 85 87 90 90 74
Wind dir       E  E  E SE  E NE NE  W NE  E  E  E  E  E  E NE  E  E  E  E  E  E
Wind spd       3  2  3  3  3  2  2  3  3  4  4  3  4  4  4  4  5  5  6  6  6  8
Wind gust                                                        16       17 18
Clouds        B2 FW FW FW SC FW FW B1 B2 FW FW FW FW SC SC B2 B2 SC SC SC SC FW
PoP 12hr                      5          60           5          50          10
QPF 12hr              0.00-0.07   0.05-1.19   0.00-0.10   0.02-0.71           0
Rain shwrs    NM          IS IS IS SC NM IS    IS IS IS IS NM NM IS IS IS IS IS
Tstms         IS                   IS SC                   IS IS
Heat index    87             88 96 97 88 81          88 95 98 88 80          86
Max heat         96    87    92   103   101    89    94   105   103    88    92


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      74    87      75    88      75    87      75    87
Temp          87 78   75 81 87 78   76 82 88 79   76 82 87 79   76 82 87 80
Dewpt         73 73   72 72 71 72   71 71 72 71   70 70 72 72   71 72 72 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   FW FW SC SC   FW FW FW FW   FW FW FW SC
PoP 12hr         70      10    50      10    50      30    20      10    20
Rain shwrs    NM NM   IS IS IS IS   IS IS IS SC   IS IS IS IS   IS IS IS IS
Tstms         IS IS         IS IS         IS IS

$$

PRZ011-180815-
Southwest-
Including the cities of Cabo Rojo, Guanica, and Lajas
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                70 73 76          89          75    86 90 92          74
Temp          81 78 76 74 73 82 88 89 82 80 78 76 75 83 89 90 82 79 77 75 74 82
Dewpt         74 74 74 73 73 73 73 74 73 74 73 72 72 73 72 73 73 73 73 72 71 71
RH            79 88 94 97100 74 61 61 74 82 85 87 90 72 57 58 74 82 87 90 90 69
Wind dir      SE  E  E  E  E  E SE  S SE NE NE NE  E  E SE  S SE NE  E NE  E  E
Wind spd       3  2  2  3  3  3  3  4  4  3  3  3  3  3  4  4  4  4  4  4  5  6
Clouds        B2 FW SC FW SC SC SC SC B2 SC FW FW FW FW FW OV OV SC SC SC SC FW
PoP 12hr                     30          60          20          70          10
QPF 12hr              0.02-0.19   0.24-1.03        0.01   0.65-0.71           0
Rain shwrs    NM    IS    SC IS IS SC NM IS                NM NM IS IS IS IS IS
Tstms         IS                      SC                   IS IS
Heat index    86             87 96 97 88 82          89 96 98 88 80          86
Max heat         94    84    91   100    98    87    92   102    99    84    89


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      75    88      75    89      75    88      75    88
Temp          88 79   76 82 88 79   76 83 89 79   76 82 88 79   76 82 88 80
Dewpt         74 73   72 72 70 73   71 71 72 72   70 70 71 73   71 72 72 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1   SC SC SC SC   FW FW FW SC   FW FW FW FW   FW FW FW SC
PoP 12hr         60      10    20      10    20      10    10      10    20
Rain shwrs    IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS   IS IS IS IS
Tstms         IS IS

$$

PRZ012-180815-
Culebra-
Including the city of Culebra
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      78    86 89 92          79    85 89 92          79
Temp          83 81 80 79 78 84 88 89 84 82 81 80 79 85 88 89 84 82 81 80 79 84
Dewpt         74 74 75 75 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 75 74 74
RH            74 79 85 88 88 72 63 61 72 77 79 82 85 70 63 61 72 77 79 85 85 72
Wind dir      SE SE SE  S SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       4  4  4  4  3  3  4  4  4  5  5  5  6  8  9 10 11 12 13 13 13 14
Clouds        SC B2 B1 B2 B2 B1 B1 SC B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     60          50          50          50          50
QPF 12hr                   0.58        0.39        0.33        0.23        0.11
Rain shwrs    SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms            IS IS          IS    IS IS IS IS IS IS IS IS IS IS IS IS IS
Heat index    90 87 82 80    92 97 98 92 88 85 83 81 92 97 98 91 88 85 84 81 92
Max heat         95    90    94   102   101    90    95   102   101    90    96


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      79    87      79    85      80    87      79    86
Temp          89 82   80 84 87 81   80 82 85 81   80 84 87 82   80 83 86 81
Dewpt         74 74   74 71 74 74   74 73 72 73   73 73 73 74   74 73 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC FW SC   SC SC SC SC
PoP 12hr         50      50    50      40    40      30    40      40    20
Rain shwrs    SC SC   SC SC SC SC   SC SC SC SC   SC SC IS SC   SC SC IS IS
Tstms         IS IS   IS IS    IS   IS IS

$$

PRZ013-180815-
Vieques-
Including the city of Vieques
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                73 75 79    85 89 91          78          88          78
Temp          83 80 78 76 75 83 88 89 83 81 79 78 78 84 87 88 84 81 80 79 78 84
Dewpt         74 75 74 75 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74
RH            74 85 88 97 97 74 63 61 74 79 85 88 88 72 65 63 72 79 82 85 88 72
Wind dir       S SE  S  S SE SE SE SE  E  E  E  E  E NE  E  E  E  E  E  E  E  E
Wind spd       4  4  3  3  2  2  3  4  4  4  4  4  5  6  8  9 11 11 12 12 12 13
Clouds        B1 B2 B1 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2
PoP 12hr                     60          50          50          40          60
QPF 12hr                   0.58   0.31-0.41        0.32   0.16-0.23        0.11
Rain shwrs    SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM
Tstms            IS IS          IS    IS IS IS IS IS IS IS IS IS IS IS IS IS
Heat index    89 83          89 96 98 90 86 82       91 96 97 91 87 84 82    92
Max heat         95    87    94   101    99    89    94   101    99    90    96


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          89      79    88      79    88      80    88      80    88
Temp          89 82   80 84 88 82   80 84 88 82   81 85 88 82   81 85 88 81
Dewpt         74 74   73 71 74 74   73 73 73 73   72 73 73 73   74 74 73 73
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B2 B1   B1 B1 SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         60      60    50      50    40      40    40      40    30
Rain shwrs    SC SC   NM SC SC SC   SC SC SC SC   SC SC IS SC   SC SC IS IS
Tstms         IS IS   IS IS         IS IS

$$

VIZ001-180815-
St.Thomas...St. John...and Adjacent Islands-
Including the cities of Anna`s Retreat, Charlotte Amalie,
Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                76 79 82    80 86 89    72 78 80    79 86 89    71 77 80
Temp          82 81 80 79 79 83 85 86 82 80 79 79 78 82 85 86 82 80 79 78 77 83
Dewpt         74 74 75 74 74 74 74 74 74 74 74 74 74 74 74 74 74 73 74 74 74 74
RH            77 79 85 85 85 74 70 68 77 82 85 85 88 77 70 68 77 79 85 88 90 74
Wind dir      SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       3  4  4  4  4  4  3  3  4  5  6  6  8  9  9 10 11 12 13 13 14 14
Clouds        SC B2 B1 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     60          50          50          50          40
QPF 12hr                   0.56   0.33-0.43        0.33        0.23        0.11
Rain shwrs    SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms            IS IS          IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
Heat index    88 85 84 81    89 93 94 88 85 83 82 80 88 93 93 87 84 82 80    89
Max heat         95    90    94    99    98    89    94    99    98    89    95


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          87      76    87      76    86      76    86      76    85
Temp          87 79   77 82 87 79   77 82 86 79   77 82 86 79   77 81 85 80
Dewpt         74 74   73 71 73 73   73 72 72 72   72 73 73 73   73 73 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B1 B1   SC SC SC SC   SC SC SC FW   SC SC FW SC   SC SC SC SC
PoP 12hr         40      40    40      30    20      30    30      30    20
Rain shwrs    SC SC   SC SC IS IS   SC IS IS IS   SC IS IS SC   SC SC IS IS
Tstms         IS IS   IS IS

$$

VIZ002-180815-
St Croix-
Including the cities of Christiansted, Frederiksted,
Frederiksted Southeast, and Grove Place
405 PM AST Sun Oct 17 2021

Date           10/17/21      Mon 10/18/21            Tue 10/19/21            Wed
AST 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                70 74 80    82 87 90    72 76 82    84 88 91    73 76 80
Temp          80 78 76 75 74 81 86 87 82 79 78 77 76 83 87 88 82 80 78 77 76 83
Dewpt         75 75 74 74 73 74 74 74 74 74 74 74 74 75 74 74 74 74 75 74 74 74
RH            85 91 94 97 97 79 68 65 77 85 88 90 94 77 65 63 77 82 91 90 94 74
Wind dir       S SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
Wind spd       4  4  3  3  3  4  4  4  5  5  5  6  8 10 10 10 11 12 13 13 14 14
Clouds        B1 B1 B1 B2 SC B1 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     50          40          50          50          40
QPF 12hr                   0.48        0.30        0.32        0.23        0.11
Rain shwrs    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
Tstms            IS IS             IS    IS IS IS IS IS IS IS IS IS IS IS IS
Heat index    85             86 94 95 87 81          89 95 97 89 83          90
Max heat         94    86    90    99    97    90    94   101    99    89    95


Date           10/20  Thu 10/21/21  Fri 10/22/21  Sat 10/23/21  Sun 10/24/21
AST 6hrly     14 20   02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          88      77    89      78    88      77    88      77    87
Temp          88 80   78 84 89 81   79 84 88 80   78 83 88 80   78 82 87 79
Dewpt         74 73   71 73 74 73   73 73 72 73   73 73 73 73   73 74 73 72
PWind dir         E       E     E       E     E       E     E       E     E
Wind char        GN      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B1 SC   SC SC SC SC   SC SC SC FW   SC SC SC SC   SC SC SC FW
PoP 12hr         40      30    20      20    20      20    30      30    10
Rain shwrs    SC SC   SC SC IS IS   IS IS IS IS   IS IS IS SC   SC SC IS IS
Tstms            IS   IS IS

$$


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