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Issued by NWS San Juan, PR

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FOCA52 TJSJ 201941
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
341 PM AST Mon Nov 20 2017

PRZ001-210815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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          87          76          89          77
TEMP          81 79 78 77 76 81 86 87 82 79 78 77 76 82 88 89 83 80 79 78 77 81
DEWPT         75 75 75 74 73 73 73 72 71 72 72 72 72 72 73 73 74 74 74 74 75 75
RH            82 88 91 90 90 77 65 61 69 79 82 85 87 72 61 59 74 82 85 88 94 82
WIND DIR      SE  E  S SE SE  E  E  E  E SE SE SE SE  E  E  E  E  E SE SE  S  E
WIND SPD       9  6  5  6  8  8 11 13 11  8  8  6  9  9 12 11 11  8  8  6  6  8
CLOUDS        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          30          40
QPF 12HR                   0.03        0.03        0.06        0.10        0.06
RAIN SHWRS     C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C
TSTMS          S
HEAT INDEX    87             86 93 94 86             87 96 97 90 84          87
MAX HEAT         93          86    94    91          87    97    94    84    87


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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      76    87      75    86      75    87      75    86
TEMP          86 80   78 83 87 81   78 84 86 81   78 84 87 81   78 84 83 78
DEWPT         75 75   74 75 74 74   74 74 75 74   74 74 74 73   72 73 72 71
PWIND DIR         E       E     E       E     E      SE    SE      SE    SE
WIND CHAR        GN      GN    GN      GN    GN      LT    GN      LT    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
POP 12HR         40      30    30      30    30      20    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    S  S  S  C    C  C  C  S

$$

PRZ002-210815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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                      75          86          75          87          75
TEMP          80 78 77 76 75 80 85 86 81 78 77 76 75 81 86 87 81 79 78 77 76 80
DEWPT         75 75 75 74 74 73 73 72 72 72 73 73 72 73 73 74 75 74 74 75 75 76
RH            85 91 94 94 97 79 67 63 74 82 87 90 90 77 65 65 82 85 88 94 97 88
WIND DIR      SE  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD       8  8 10  9  9 11 11 11 10 11 10 11 11 12 11  9  9  9 11 10  9 10
CLOUDS        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          30          40
QPF 12HR                   0.03        0.03        0.08        0.11        0.06
RAIN SHWRS     C  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C
HEAT INDEX    85             84 92 92 85             86 93 95 87             86
MAX HEAT         92          84    93    90          86    95    93          86


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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      75    85      75    86      74    86
TEMP          85 79   77 81 87 79   77 82 85 80   77 82 86 80   77 82 81 78
DEWPT         76 75   75 75 74 75   74 76 75 74   74 75 75 73   73 74 74 72
PWIND DIR         E       E     E       E     E      SE    SE      SE    SE
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
POP 12HR         40      30    30      30    30      20    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    S  S  S  C    C  C  C  S

$$

PRZ007-210815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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          88          71          87          72
TEMP          81 78 75 74 73 80 87 87 80 76 74 72 71 79 86 87 80 78 75 74 73 80
DEWPT         74 73 72 72 71 72 72 71 71 70 68 69 69 70 72 72 72 72 72 71 72 73
RH            79 85 90 93 93 77 61 59 74 82 82 90 93 74 63 61 77 82 90 90 97 79
WIND DIR      SE NE NE NE NE  E SE SE SE NE NE NE NE  E  E SE SE  N NE NE NE NE
WIND SPD       6  6  6  8  9  9 11 12 10  8  9  9 10 11 13 11  9  8  8  8  9  8
CLOUDS        B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     20           5           5          20          10
QPF 12HR                   0.01           0           0        0.02        0.01
RAIN SHWRS     C  S  S  S  S                                S  S  S  S  S  S  S
HEAT INDEX    86             84 94 93 83                92 94 84             84
MAX HEAT         93          84    95    90                94    91          84


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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      72    86      71    86      71    86      71    86
TEMP          88 78   74 80 86 78   74 81 86 78   74 81 86 78   74 81 85 74
DEWPT         73 73   73 73 74 72   73 72 73 72   73 73 73 71   71 72 71 71
PWIND DIR         E      NE     E       E     E       E    SE       E    SE
WIND CHAR        GN      GN    GN      LT    GN      LT    LT      LT    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   FW FW FW SC   SC SC SC SC
POP 12HR         30      10    20      20    20      10    20      10    30
RAIN SHWRS     C  C    S  S  S  S    S  S  S  S    S  S  S  S    S  S  C  C

$$

PRZ008-210815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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          86          73          83          77
TEMP          80 78 77 76 76 81 85 86 80 77 75 74 73 78 82 83 80 80 79 78 78 81
DEWPT         74 73 74 73 72 72 72 73 75 73 71 70 71 70 72 73 74 74 73 72 73 74
RH            82 85 90 90 87 74 65 65 85 87 87 87 93 76 72 72 82 82 82 82 85 79
WIND DIR       S  E  E  E  E  E  E NE  E SE  E  E  E  E  E NE NE  E SE  E  E  E
WIND SPD      10  8  9  8  9  9 10 12 13 12 11 11 13 13 11 10 10 10 10  9  9 10
CLOUDS        B2 SC FW FW FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     20          20           5          20          10
QPF 12HR                   0.01        0.05           0        0.02        0.01
RAIN SHWRS     L  S  S  S  S        S  S                    S  S  S  S  S  S  S
TSTMS          S
HEAT INDEX    84             85 91 93 85                87 89 84 84          86
MAX HEAT         88          85    93    91                89    87    84    86
FLASH FLOOD    A  A  A  A  A  A  A


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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          85      77    84      76    85      76    84      76    85
TEMP          85 80   78 82 84 80   79 82 85 81   79 82 84 81   79 82 82 79
DEWPT         76 74   74 73 74 74   73 73 73 75   72 73 73 73   72 72 73 73
PWIND DIR         E       E    NE       E     E      SE    NE      SW     W
WIND CHAR        GN      GN    LT      GN    LT      LT    LT      LT    LT
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC SC   FW FW SC SC   SC SC SC SC
POP 12HR         20      10    40      10    20      10    20      10    20
RAIN SHWRS     S  S    S  S  C  C    S  S  C  C    S  S  C  C    S  S  S  S
TSTMS                        S  S                        S  S

$$

PRZ010-210815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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          89          70          86          74
TEMP          78 76 75 74 73 81 88 88 80 76 73 71 70 78 85 86 80 78 77 76 75 80
DEWPT         74 73 73 72 70 71 72 72 74 73 70 68 68 68 70 69 72 73 72 72 72 73
RH            88 90 94 93 90 72 59 59 82 90 90 90 93 71 61 57 77 85 85 87 90 79
WIND DIR      NE  E NE NE NE  E  S SE  S  E NE NE NE NE  S  S  N NE  E NE NE NE
WIND SPD       9  6  6  5  6  6  5  6  3  6  6  6  9  9  6  8  4  4  5  5  6  6
CLOUDS        B2 SC FW FW FW FW FW SC SC FW FW FW FW FW FW B1 B1 FW FW FW FW FW
POP 12HR                     20          30           5          50          10
QPF 12HR                      0        0.10           0        0.15        0.01
RAIN SHWRS     L  S                 C  C                    C  C  S  S  S  S  S
TSTMS          S
HEAT INDEX                   85 95 95 84                90 90 84             84
MAX HEAT         88          85    96    93                91    88          84


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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          85      74    86      73    87      73    86      72    87
TEMP          85 78   76 81 86 79   76 82 87 79   76 82 86 79   76 82 85 78
DEWPT         74 73   73 73 73 73   72 73 71 74   72 73 73 73   71 72 73 72
PWIND DIR        SE       E    SE       E    SE      SE    SE       E    SE
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1   SC SC SC B1   SC SC SC SC   FW FW SC SC   SC SC SC B1
POP 12HR         40      10    50      10    40      10    40      10    40
RAIN SHWRS     C  C    S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS                        S  S          S  S          S  S

$$

VIZ001-210815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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          86          77          86          77
TEMP          81 79 77 77 76 81 85 86 82 80 78 78 77 81 85 86 82 81 80 79 79 82
DEWPT         75 75 74 74 74 73 73 72 72 73 74 73 73 74 74 75 75 74 75 75 75 75
RH            82 88 90 90 94 77 67 63 72 79 88 85 87 79 70 70 79 79 85 88 88 79
WIND DIR      SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E
WIND SPD       9 10 11 12 12 13 13 13 13 13 13 14 14 14 13 13 13 14 14 13 13 13
CLOUDS        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          30          40
QPF 12HR                   0.03        0.03        0.08        0.11        0.06
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C
HEAT INDEX    87             86 92 92 87 84          86 93 95 89 86 85       89
MAX HEAT         91          86    93    91          86    95    94    85    89


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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      77    85      76    86      76    86      76    85
TEMP          86 81   79 81 84 81   79 82 85 81   79 82 85 81   79 82 80 80
DEWPT         75 75   75 75 75 75   75 76 75 75   75 75 75 74   74 74 74 73
PWIND DIR         E       E     E       E     E       E    SE      SE    SE
WIND CHAR        GN      GN    GN      BZ    BZ      BZ    GN      GN    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC
POP 12HR         40      30    30      30    30      20    30      30    30
RAIN SHWRS     C  S    C  C  C  C    C  C  C  S    S  S  S  C    C  C  C  S

$$

VIZ002-210815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
341 PM AST Mon Nov 20 2017

DATE           11/20/17      TUE 11/21/17            WED 11/22/17            THU
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                      74          88          75          87          75
TEMP          81 78 76 75 74 81 87 88 82 79 77 76 75 81 86 87 81 81 80 79 79 82
DEWPT         74 74 74 74 73 72 72 72 73 73 74 74 74 74 74 74 75 74 75 75 75 76
RH            79 88 94 97 97 74 61 59 74 82 90 94 97 79 68 65 82 79 85 88 88 82
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD       9 10 11 11 11 13 13 12 12 12 13 13 13 13 12 12 13 13 14 13 12 13
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          30          40
QPF 12HR                   0.01        0.02        0.08        0.11        0.06
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C
HEAT INDEX    86             85 94 95 87             86 94 95 87 86 85       89
MAX HEAT         94          85    95    92          86    95    93    87    89


DATE           11/23  FRI 11/24/17  SAT 11/25/17  SUN 11/26/17  MON 11/27/17
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      76    88      75    87      75    87      74    87
TEMP          86 81   79 82 85 81   79 82 86 81   79 82 86 81   79 82 81 81
DEWPT         75 75   75 74 75 75   75 75 75 75   75 75 75 74   74 74 74 72
PWIND DIR         E       E     E       E     E       E    SE      SE    SE
WIND CHAR        GN      GN    GN      BZ    BZ      BZ    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      30    30      30    30      20    20      20    20
RAIN SHWRS     C  S    C  C  C  C    C  C  C  S    S  S  S  S    S  S  S  S

$$



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