Point Forecast Matrices
Issued by NWS San Juan, PR

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Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Sat Jun 15 2024

PRZ001-152000-
Luis Munoz Marin International Airport-San Juan
18.43N  66.00W Elev. 9 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      92          80          92          80          91
Temp             88 91 92 89 84 82 80 82 87 91 92 89 84 82 80 82 87 90 91 88 84
Dewpt            76 76 76 76 76 76 76 75 76 76 76 76 76 76 76 75 76 75 76 76 76
RH               68 62 60 66 77 82 88 79 70 62 60 66 77 82 88 79 70 62 62 68 77
Wind dir          S SE  S  S SE  S  S  S SE  E SE SE SE  S  S  S  S  E  E  E  E
Wind spd          5  8 10  8  5  4  4  3  3  6 11  8  4  4  4  4  4  5 10  6  8
Clouds           SC SC B1 B1 SC SC SC B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     40          40          50          30          20
QPF 12hr                   0.29        0.25        0.27        0.11        0.09
Rain shwrs        C  C  C  C  S  S  S  C  S  C  C  C  C  C  S  S  S  S  S  S  S
Heat index       98103105100 93 89 86 88 97102105100 93 89 86 88 97100104 99 92
Max heat         98   105   104    92    97   105   104    92    97   104   103
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    90      79    90      78    90      79    91
Temp          80 86 90 83   79 86 90 82   78 85 90 83   79 86 91 84
Dewpt         75 76 77 76   76 77 77 77   77 78 77 77   76 77 77 76
PWind dir        SE     E      SE     E       E     E       E     E
Wind char        LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         30    30      30    50      40    40      40    40
Rain shwrs     S  C  C  C    S  C  C  C    S  C  C  C    S  C  C  C
Tstms                              S  S

$$
PRZ002-152000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N  65.63W Elev. 39 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      92          77          91          79          91
Temp             87 91 92 88 82 79 77 79 85 89 91 88 83 81 79 81 86 90 91 88 84
Dewpt            77 77 77 76 77 76 76 76 77 76 77 76 76 76 76 75 77 76 77 76 76
RH               72 64 62 68 85 91 97 91 77 66 64 68 80 85 91 82 75 64 64 68 77
Wind dir          S  S  S  S SE  S SE SE SE SE SE SE SE SE SE  S SE SE SE SE  E
Wind spd          6  9  9  8  5  6  5  5  4  8  8  6  5  6  5  5  5  5  5  6  8
Clouds           B1 SC B1 SC B1 SC B1 B1 SC B2 B1 B1 SC SC B1 B1 SC SC B1 B1 B1
PoP 12hr                     50          60          50          50          40
QPF 12hr                   0.40        0.55        0.35        0.20        0.13
Rain shwrs        C  C  C  S  C  C  C  L  C  C  C  C  C  C  C  C  S  S  S  S  C
Tstms                                           S  S
Heat index       98104106100 90 84    83 96101104 99 92 87 84 86 97101104100 93
Max heat         98   106   105    88    96   104   103    90    97   104   103
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    91      80    91      79    88      80    90
Temp          80 87 91 84   80 87 91 83   79 84 88 83   80 86 90 84
Dewpt         76 76 76 77   76 77 78 77   77 78 78 78   77 78 78 77
PWind dir        SE     E      SE    SE       E     E       E     E
Wind char        GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    40      50    50      50    50      50    50
Rain shwrs     C  C  C  C    C  C  C  C    C  C  C  C    S  C  C  C
Tstms                           S  S  S

$$
PRZ007-152000-
Mercedita Airport-Ponce PR
18.02N  66.56W Elev. 26 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          79          91          79          90
Temp             84 88 90 87 83 81 79 81 86 90 91 88 83 81 79 80 86 89 90 87 82
Dewpt            73 72 72 72 72 72 72 72 73 72 73 73 73 73 73 72 73 69 71 73 72
RH               70 59 56 61 70 74 79 74 65 56 56 61 72 77 82 77 65 52 54 63 72
Wind dir          E SE SE SE  E  E NE NE  E SE SE SE  E  E  E  S  E SE SE SE  E
Wind spd          4  8  9  6  4  4  4  4  4  8  9  5  3  4  4  3  3  6  8  5  6
Clouds           SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC FW FW SC SC FW
PoP 12hr                     30          40          20          20          20
QPF 12hr                   0.13        0.36        0.10        0.04        0.06
Rain shwrs        S  S  S  C  S  C  C  C  S  S  S  S  S  S  S  S        S  S
Heat index       91 95 97 94 88 85 83 85 93 96100 96 89 85 83 85 92 93 96 94 87
Max heat         91    97    97    87    93   100    99    88    92    96    96


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    87      78    87      77    87      78    88
Temp          78 84 87 81   78 83 87 81   77 83 87 81   78 84 88 82
Dewpt         71 72 72 73   72 74 74 73   73 73 73 73   70 72 70 72
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW SC SC   FW FW FW SC   FW FW SC SC   FW FW SC FW
PoP 12hr         20    20      10    20      20    20      20    20
Rain shwrs        S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$
PRZ008-152000-
Rafael Hernandez Airport-Aguadilla PR
18.50N  67.13W Elev. 237 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      89          78          87          79          86
Temp             84 88 89 86 82 80 79 80 84 86 87 85 82 80 79 80 83 86 86 84 81
Dewpt            74 75 75 75 75 76 76 75 74 75 75 74 75 76 76 75 74 75 74 74 75
RH               72 66 64 70 79 88 91 85 72 70 68 70 79 88 91 85 74 70 68 72 82
Wind dir         SE  N  E NE  E SE SE SE  E NE  N NW NE  E SE  S SE  N NW  N  E
Wind spd          4  5  8  3  9  5  4  4  3  4  6  4  4  2  2  5  4  2  4  3 11
Clouds           FW FW B1 B1 B1 SC SC SC FW FW B1 B1 SC SC SC SC FW FW SC SC FW
PoP 12hr                     60          60          60          20          20
QPF 12hr                   0.38        0.11        0.28        0.06        0.06
Rain shwrs              C  C  L     S  S        L  L  S  S  S  S        S  S
Tstms                      S  S                 S  S
Heat index       91 97 99 95 88 86    84 90 95 96 92 88 86 83 85 90 94 95 91 87
Max heat         91    99    98    87    90    96    95    87    90    95    94
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          78    86      78    86      77    86      78    87
Temp          78 83 86 81   78 83 86 80   77 82 86 81   78 83 87 81
Dewpt         76 73 75 75   76 74 76 76   76 75 77 76   76 75 77 76
PWind dir         E     E       E     E       E     E       E     E
Wind char        LT    LT      GN    LT      GN    BZ      GN    GN
Avg clouds    FW FW SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW
PoP 12hr         10    40      30    40      10    10      10    10
Rain shwrs        S  C  C    C  C  C  C    S  S  S  S    S  S  S  S

$$
PRZ010-152000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N  67.15W Elev. 28 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      92          80          90          80          91
Temp             85 90 92 89 84 82 81 82 86 89 90 87 83 81 80 81 86 90 91 88 83
Dewpt            78 80 79 78 77 76 75 74 77 79 79 78 77 76 75 74 77 79 78 77 76
RH               80 73 66 70 80 82 82 77 75 73 70 75 82 85 85 79 75 70 66 70 80
Wind dir         SE  S  S SE  E  E  E  E  E SW NE SE  E  E SE SE SE  S SW NE NE
Wind spd          8 10 12  9  6  5  4  4  4  2  4  4  4  2  3  5  6  5  5  5  9
Clouds           FW FW SC B1 SC SC SC SC FW FW B2 B2 FW FW SC SC FW FW B2 B2 FW
PoP 12hr                     60          30          70           5          50
QPF 12hr                   0.19        0.08        0.35        0.02        0.16
Rain shwrs              L  C  C     S  C        L  L        S  S        C  C
Tstms                   S                       S  S
Heat index       97108109103 95 90 86 88 97104106100 93 88 85 87 98105106100 92
Max heat         97   110   108    93    97   106   105    91    98   106   105
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    89      79    89      78    89      79    90
Temp          80 85 89 83   79 85 89 82   78 85 89 82   79 86 90 83
Dewpt         75 77 79 77   75 78 80 78   75 78 80 78   75 78 80 78
PWind dir         E    NE       E     E       E     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC SC   SC SC SC B1   FW FW SC B1   FW FW SC B1
PoP 12hr         10    70      20    70      10    60      10    60
Rain shwrs        S  L  L    S  S  L  L    S  S  L  L    S  S  L  L
Tstms                S  S          S  S          S  S          S  S

$$
VIZ001-152000-
CYRIL E. King Airport-St Thomas USVI
18.33N  64.97W Elev. 23 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          80          89          81          89
Temp             86 89 90 88 84 82 80 81 85 88 89 87 84 82 81 82 86 88 89 87 84
Dewpt            76 76 77 77 77 77 77 77 76 76 77 77 76 77 76 76 76 76 76 77 76
RH               72 66 66 70 80 85 91 88 75 68 68 72 77 85 85 82 72 68 66 72 77
Wind dir          S  S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E
Wind spd         10 10 10  9 10 10 11  9 10 10  9 10  8 11 11  8  8  9  6  6 11
Clouds           B1 SC B1 B1 B1 B1 B1 B1 FW B1 SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     50          50          40          30          40
QPF 12hr                   0.40        0.45        0.19        0.13        0.11
Rain shwrs        C  C  C  S  C  C  C  C  S  C  C  C  C  C  C  C  S  S  S  S  S
Heat index       97101103 99 92 89 87 88 95 99101 98 93 90 88 89 96 99101 98 93
Max heat         97   103   102    91    95   101   101    92    96   101   101
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    90      81    88      80    88      80    90
Temp          81 86 90 84   81 85 88 83   80 85 88 83   80 86 90 84
Dewpt         77 76 77 77   78 78 78 77   78 78 78 78   78 77 77 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    40      30    40      50    50      30    30
Rain shwrs     S  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C

$$
VIZ002-152000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N  64.80W Elev. 74 ft
503 AM AST Sat Jun 15 2024

Date             Sat 06/15/24            Sun 06/16/24            Mon 06/17/24
AST 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          79          90          79          91
Temp             87 90 91 88 83 81 79 81 86 89 90 87 83 81 79 81 86 90 91 88 83
Dewpt            77 77 77 76 76 76 76 76 77 77 77 76 75 75 75 76 76 77 76 76 76
RH               72 66 64 68 80 85 91 85 75 68 66 70 77 82 88 85 72 66 62 68 80
Wind dir         SE SE SE SE SE SE SE  E SE SE SE SE  E SE SE SE SE SE SE  E  E
Wind spd          8  9 10  9  9  9  8  8 10 10  9  9  6  8  8  8 10 10  9  6  9
Clouds           B1 SC B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC B1 B1 SC
PoP 12hr                     50          40          40          30          30
QPF 12hr                   0.17        0.28        0.19        0.11        0.11
Rain shwrs        C  C  S  S  S  S  C  C  S  C  S  S  C  C  C  C  S  S  S  S  S
Heat index       98103104 99 92 87 84 87 96101102 98 90 87 84 87 97102104 99 91
Max heat         98   104   103    90    96   102   102    89    97   104   103
Excess Heat          A  A  A


Date          Tue 06/18/24  Wed 06/19/24  Thu 06/20/24  Fri 06/21/24
AST 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    91      79    89      79    89      80    91
Temp          79 86 91 83   79 85 89 83   79 85 89 83   80 87 91 84
Dewpt         76 76 77 77   77 77 77 77   77 78 77 77   76 77 77 77
PWind dir         E     E       E     E       E     E       E     E
Wind char        GN    GN      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr         40    50      50    50      40    20      30    30
Rain shwrs     S  C  C  C    C  C  C  C    C  C  S  S    S  C  C  C
Tstms                   S    S  S  S

$$