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Issued by NWS San Juan, PR

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FOCA52 TJSJ 201744
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
144 PM AST Fri Sep 20 2019

PRZ001-210815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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                      77          91          78          92          78
TEMP          86 82 79 78 77 85 90 91 85 82 80 79 78 86 91 92 86 82 80 79 78 85
DEWPT         75 74 74 73 73 74 73 72 73 73 73 74 74 74 74 75 76 76 75 74 74 74
RH            70 77 85 85 87 70 58 54 67 74 79 85 88 68 58 58 72 82 85 85 88 70
WIND DIR       E  E SE SW  S  S  E SE  S  S  S  S SE  E SE  E  E SE  E  E SE SE
WIND SPD      11  6  4  3  4  4  6  8  9  6  3  4  6 10 13 14 13  9 10  9 10 12
CLOUDS        B1 SC SC SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC SC SC SC SC SC SC
POP 12HR                     30          60          60          60          30
QPF 12HR                   0.28        0.44        0.11        0.26        0.09
RAIN SHWRS     C  C  C  C  C  C  C  L  L  S  S  S  S  L  L  S  S  S  S  S  S  C
TSTMS                               S  S              S  S
HEAT INDEX    94 87 83       93 98 98 92 87 84       94100103 96 90 85       93
MAX HEAT        101    86    93    99    98    86    94   103   103    88    93
COAST FLOOD    Y
HIGH SURF      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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          90      78    90      79    86      75    92      77    92
TEMP          90 82   79 85 90 82   80 83 86 78   76 85 92 82   78 86 92 82
DEWPT         73 73   73 75 76 75   74 74 75 68   67 69 71 73   71 72 73 73
PWIND DIR         E       E    SE      SW    SW       S     E      SW     N
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   SC SC SC B1   B2 B2 B2 B2   B2 B2 B1 B2   SC B1 B1 SC
POP 12HR         40      30    60      60    60      60    60      50    50
RAIN SHWRS     C  C    S  C  C  L    L  L  L  L    L  L  C  C    C  C  C  C
TSTMS                        S  S    S  S  C  C    C  C     S    S  S  S  S

$$

PRZ002-210815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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          90          79          90          79
TEMP          85 82 80 79 78 85 89 90 85 82 81 80 79 85 89 90 85 82 81 80 79 85
DEWPT         74 74 74 74 73 75 74 73 73 73 75 75 74 76 76 77 76 76 75 75 75 74
RH            70 77 82 85 85 72 61 58 67 74 82 85 85 75 66 66 75 82 82 85 88 70
WIND DIR      NE NE  N  N NW SE  S  S  S  S SE SE SE SE SE SE  E  E  E SE SE  E
WIND SPD       6  5  5  3  3  4 11 11  9  5  6  8  6 13 13 13 11 12 13 12 11 13
CLOUDS        B1 B1 B1 B1 B1 B1 B1 SC SC FW FW B1 B1 B2 B2 SC SC SC SC SC SC SC
POP 12HR                     40          40          60          60          40
QPF 12HR                   0.52        0.29        0.26        0.26        0.10
RAIN SHWRS     C  C  C  C  C  C  C  C  C        C  C  L  L  S  S  S  S  S  S  C
TSTMS                                                 S  S
HEAT INDEX    92 87 84       93 98 98 92 88 86 84 83 95100103 95 90 86 84 83 93
MAX HEAT         98    86    93    99    97    87    95   103   102    88    93
COAST FLOOD    Y
HIGH SURF      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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          90      79    89      79    88      77    90      78    90
TEMP          90 82   80 85 89 82   80 84 88 80   78 85 90 82   79 85 90 82
DEWPT         74 74   74 75 76 77   74 75 74 71   69 71 73 73   73 73 74 72
PWIND DIR         E       E    SE       S    SW      SW     S      SW     S
WIND CHAR        GN      GN    GN      GN    GN      LT    GN      LT    LT
AVG CLOUDS    SC SC   SC SC B1 B2   B2 B2 B2 B2   B2 B2 B1 B2   B1 B1 B1 SC
POP 12HR         40      50    60      60    60      60    60      60    60
RAIN SHWRS     C  C    S  C  L  L    L  L  L  L    L  L  C  C    C  L  L  C
TSTMS                     S  S  S    S  C  C  C    C  C     S    S  S  S  S

$$

PRZ007-210815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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          88          77          89          77
TEMP          83 80 78 77 76 83 87 88 83 80 79 78 77 84 88 89 84 81 79 78 77 84
DEWPT         75 73 72 72 71 72 73 72 71 72 72 73 73 73 74 75 75 75 74 73 73 74
RH            77 79 82 85 85 70 63 59 67 77 79 85 87 70 63 64 74 82 85 85 87 72
WIND DIR      SE  N  N  N  N  E  S  S SE NE NE NE NE  E SE SE SE NE NE NE  E  E
WIND SPD       8  3  6  5  6  4  8  8  5  5  6  6  6 10 13 13 13  9 10 10 10 12
CLOUDS        SC SC SC CL CL SC SC SC SC FW FW SC SC B1 B1 SC SC SC SC SC SC SC
POP 12HR                     10          30          40          40          20
QPF 12HR                   0.04        0.15        0.06        0.16        0.07
RAIN SHWRS     S  S  S        S  S  C  C        S  S  C  C  S  S  S  S  S  S  S
HEAT INDEX    90 84          88 94 94 88 84          90 97 99 92 86          91
MAX HEAT         97          88    95    93    83    90    99    98    84    91


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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      76    89      72    81      76    88      76    88
TEMP          89 80   77 84 89 77   73 77 81 77   76 83 88 80   77 83 88 80
DEWPT         73 73   70 72 76 75   73 73 70 67   63 68 72 72   72 73 75 74
PWIND DIR        SE      NE    SE      NW     W       N     E      NE     E
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   FW SC B1 B2   B2 B2 B2 B2   B2 B2 B1 B1   SC SC SC SC
POP 12HR         20      30    60      60    60      60    60      50    50
RAIN SHWRS     S  S    S  C  L  L    L  L  L  L    L  L  C  C    C  C  C  C
TSTMS                        S  S    S  C  C  C    C  C  S  S    S  S  S

$$

PRZ008-210815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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                      79          88          78          88          78
TEMP          84 82 80 79 79 84 87 88 84 81 80 79 78 84 87 88 84 81 80 79 78 84
DEWPT         75 75 76 75 74 74 73 75 75 75 74 72 71 72 72 74 74 74 74 73 72 72
RH            74 79 88 88 85 72 63 66 74 82 82 79 79 67 61 63 72 79 82 82 82 67
WIND DIR      NE SE SE  E SE  E  N SW  W  E SE  E  E  E NE  N  N SW  E  E  E SE
WIND SPD       6  6  9  5  6  4  5 10  5  4  8  6  8  6  6 10  6  4 11  9  9  6
CLOUDS        B2 SC SC SC SC SC SC B2 B2 SC SC FW FW SC SC OV OV SC SC SC SC FW
POP 12HR                     20          60          30          70          20
QPF 12HR                   0.17        0.41        0.10        0.31        0.06
RAIN SHWRS     L  S  S  S  S  S  S  L  L  C  C        S  S  L  L  S  S  S  S  S
TSTMS          S                    S  S                    S  S
HEAT INDEX    92 88 86 84 83 91 95 98 91 87 84       89 94 96 91 86 84       89
MAX HEAT         97    87    91    98    97    86    89    96    96    85    89
COAST FLOOD    Y
HIGH SURF      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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      78    88      79    86      79    87      78    87
TEMP          88 81   79 84 88 82   79 83 86 81   79 84 87 81   78 83 87 81
DEWPT         74 75   73 74 76 76   76 75 71 66   67 71 73 72   71 73 73 74
PWIND DIR        NE       E    NE      NW    SW       S     S      SE     S
WIND CHAR        LT      GN    LT      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC B1   FW FW SC B1   B2 B2 B2 B2   B2 B2 SC SC   SC SC SC SC
POP 12HR         60      10    60      60    60      60    40      40    50
RAIN SHWRS     L  L    S  S  C  L    L  L  L  L    L  L  C  C    C  C  C  C
TSTMS          S  S             S    S  C  C  C    C  C                S  S

$$

PRZ010-210815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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          88          77          89          77
TEMP          84 81 80 79 78 84 87 88 83 80 79 78 77 84 88 89 84 81 79 78 77 85
DEWPT         75 75 75 74 73 73 73 74 74 74 73 72 73 73 72 73 74 74 73 73 72 73
RH            74 82 85 85 85 70 63 63 74 82 82 82 87 70 59 59 72 79 82 85 85 67
WIND DIR       N  S NE  E  E SW  W SW NW SE  E NE  E NE SE SE SE NE NE NE  E SE
WIND SPD       4  4  4  4  4  2  6 11  6  6  5  4  6  4  9 10  9  6  6  5  6  8
CLOUDS        B2 SC SC CL CL SC SC B2 B2 SC SC FW FW SC SC B1 B1 SC SC SC SC FW
POP 12HR                     10          60          20          40          10
QPF 12HR                   0.04        0.35        0.03        0.14        0.01
RAIN SHWRS     L  S  S        S  S  L  L  S  S        S  S  C  C  S  S  S  S  S
TSTMS          S                    S  S
HEAT INDEX    92 87 84       90 95 97 90 85          90 95 97 91 86          92
MAX HEAT         99    86    90    97    96    84    90    97    97    84    92
HIGH SURF      Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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          91      78    90      76    85      78    87      78    87
TEMP          91 82   79 85 90 80   77 81 85 80   78 83 87 81   78 83 87 81
DEWPT         73 73   71 72 76 76   75 75 71 65   67 71 74 73   72 74 75 74
PWIND DIR         E      NE     N      NW     S      SE     S      SE     S
WIND CHAR        LT      LT    LT      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC SC   FW FW SC B1   B2 B2 B2 B2   B2 B2 SC SC   SC SC SC SC
POP 12HR         60      10    60      60    60      60    40      40    50
RAIN SHWRS     L  L    S  S  C  L    L  L  L  L    L  L  C  C    C  C  C  C
TSTMS          S  S             S    S  C  C  C    C  C                S  S

$$

VIZ001-210815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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                      82          88          82          89          82
TEMP          87 85 83 82 82 85 87 88 85 84 83 82 82 86 88 89 86 84 83 82 82 86
DEWPT         73 74 75 74 73 75 74 74 74 76 76 75 75 76 76 76 76 76 75 75 74 73
RH            63 70 77 77 74 72 65 63 70 77 80 79 79 72 68 66 72 77 77 79 77 65
WIND DIR      NE NE NE NE  S SE  S  S SE SE SE  E SE SE SE SE  E  E  E  E  E  E
WIND SPD       8  9  5  3  4  8 11 10 10 10 11 14 16 17 16 16 14 17 17 17 17 18
CLOUDS        B1 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC
POP 12HR                     50          40          50          50          40
QPF 12HR                   0.63        0.30        0.22        0.16        0.10
RAIN SHWRS     C  C  C  C  C  C  C  C  C  S  S  C  C  C  C  S  S  S  S  S  S  C
TSTMS                                                 S  S
HEAT INDEX    95 92 91 89 88 94 96 97 93 93 91 89 89 96100100 96 93 91 89 88 93
MAX HEAT        100    92    94    97    96    92    96   100   100    92    93


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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      81    86      80    87      80    87      82    87
TEMP          89 83   81 84 86 82   80 84 87 82   80 84 87 84   82 85 87 84
DEWPT         73 74   74 75 75 76   75 75 74 72   70 72 73 74   74 73 72 69
PWIND DIR         E      SE     S       S    SW      SW     S       S     S
WIND CHAR        BZ      BZ    BZ      BZ    BZ      GN    GN      GN    LT
AVG CLOUDS    SC SC   SC B1 B2 B1   B2 B2 B2 B2   B2 B1 B1 B2   B2 B2 B2 SC
POP 12HR         40      60    60      60    60      60    60      60    60
RAIN SHWRS     C  C    C  L  L  L    L  L  L  L    L  L  C  L    L  L  L  C
TSTMS                     S  S  C    C  C  C  S    S  S  S  S    S  S  S  S

$$

VIZ002-210815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
144 PM AST Fri Sep 20 2019

DATE           09/20/19      SAT 09/21/19            SUN 09/22/19            MON
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                      80          90          81          91          80
TEMP          86 83 82 81 80 86 89 90 86 84 82 81 81 87 90 91 86 83 82 81 80 86
DEWPT         73 74 74 74 73 74 74 74 75 75 76 75 76 77 76 76 76 76 75 75 73 73
RH            65 74 77 79 79 68 61 60 70 74 82 82 85 72 64 62 72 80 79 82 79 65
WIND DIR       W  N  W  W  S SE SE SE SE  E  E  E  E SE SE  E  E  E  E  E  E  E
WIND SPD       3  3  3  2  4  8 10 10 10  9 12 12 16 17 17 16 16 17 16 14 18 19
CLOUDS        B1 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR                     50          40          40          40          40
QPF 12HR                   0.63        0.23        0.22        0.16        0.10
RAIN SHWRS     C  C  C  C  C  C  C  S  S  S  S  C  C  C  C  S  S  S  S  S  S  C
HEAT INDEX    93 90 88 86 85 94 98 99 95 91 90 88 88 98102103 96 92 88 86 85 93
MAX HEAT         99    89    94    99    99    91    98   103   102    90    93


DATE           09/23  TUE 09/24/19  WED 09/25/19  THU 09/26/19  FRI 09/27/19
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          90      79    89      80    91      80    89      80    89
TEMP          90 82   80 85 89 83   80 86 91 83   81 85 89 83   80 85 89 83
DEWPT         73 74   75 76 76 75   74 74 74 71   73 74 73 73   74 73 73 71
PWIND DIR         E      SE     S       S    SW      SW     S       S    SE
WIND CHAR        BZ      BZ    BZ      BZ    BZ      GN    LT      LT    LT
AVG CLOUDS    SC B1   B2 B2 B2 B2   B2 B2 B2 B1   SC SC B1 B1   B2 B2 B1 SC
POP 12HR         70      70    60      60    60      50    60      60    50
RAIN SHWRS     C  L    L  L  L  L    L  L  L  L    C  C  C  L    L  L  C  C
TSTMS             S    S  S  S  C    C  C  C  S    S  S  S  S    S  S  S  S

$$



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