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Issued by NWS San Juan, PR

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FOCA52 TJSJ 271928
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
328 PM AST Thu Jul 27 2017

PRZ001-280815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          92          79          90          77
TEMP          87 83 81 79 81 87 91 92 89 83 81 80 80 86 89 90 87 81 79 78 79 85
DEWPT         77 77 76 76 76 75 75 75 76 76 76 76 75 75 74 74 73 75 75 75 75 73
RH            72 82 85 91 85 68 60 58 66 80 85 88 85 70 61 60 63 82 88 91 88 67
WIND DIR       E  E SE SE  S  E  E  E SE SE SE  S SE  E  E  E  E  E  E  E  E  E
WIND SPD      12  9  8  6  6  9 12 14 13  9  6  6  9 10 12 17 16 12 10  9 11 14
CLOUDS        SC SC SC FW FW SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC
POP 12HR                     20          40          20          40          40
QPF 12HR                   0.04        0.35        0.02        0.12        0.10
RAIN SHWRS     S  S  S  S  S  S  S  C  C  S  S  S  S  S  S  C  C  C  C  C  C  S
TSTMS                               S  S                          S  S  S  S
HEAT INDEX    99 92 87    87 96102103100 91 87 86 85 95 98 99 94 87          92
MAX HEAT        102    90    96   103   103    91    95    99    97    87    92


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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      80    87      80    87      79    86      79    86
TEMP          89 83   80 84 87 82   80 85 87 82   79 83 86 81   79 83 86 81
DEWPT         74 74   74 74 75 76   76 76 76 76   75 74 75 75   75 75 76 77
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC B1 B1
POP 12HR         30      20    20      20    20      30    30      40    40
RAIN SHWRS     C  C    S  S  S  S    S  S  S  S    S  C  C  C    C  C  C  C
TSTMS                                                               S  S  S

$$

PRZ002-280815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          78          89          78
TEMP          87 82 80 78 80 85 89 90 87 82 80 78 79 85 88 89 86 82 80 78 79 85
DEWPT         75 76 76 77 76 76 76 77 76 77 76 76 75 75 75 74 74 74 75 75 75 74
RH            68 82 88 97 88 75 66 66 70 85 88 94 88 72 66 61 68 77 85 91 88 70
WIND DIR       E  E  E  E  E SE  E SE  S SE SE SE SE SE SE SE  E  E  E  E  E  E
WIND SPD       9  8  8  8  9 10 11 10 10  8  9 10 10 10 11 12 11 11 12 11 13 16
CLOUDS        SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 SC
POP 12HR                     30          40          20          50          50
QPF 12HR                   0.06        0.37        0.02        0.13        0.14
RAIN SHWRS     C  S  S  S  S  C  C  C  C  S  S  S  S  S  S  C  C  C  C  C  C  C
TSTMS          S                    S  S                    S  S  S  S  S  S
HEAT INDEX    96 89 86    86 94100103 98 90 86       94 98 98 94 88 85       93
MAX HEAT        101    87    94   103   103    88    94    99    98    86    93


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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      79    87      79    87      79    86      79    86
TEMP          89 82   79 84 87 82   79 84 87 82   79 83 86 81   79 83 86 81
DEWPT         75 75   74 74 75 77   76 76 76 75   75 75 76 76   75 76 77 77
PWIND DIR         E       E     E       E     E      NE     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 B1
POP 12HR         30      30    30      20    20      30    30      40    40
RAIN SHWRS     C  C    C  C  C  S    S  S  S  S    S  C  C  C    C  C  C  C
TSTMS                                                       S    S  S  S  S

$$

PRZ007-280815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          93          77          90          73
TEMP          89 82 79 77 78 86 92 93 89 82 80 78 79 85 89 90 86 79 76 74 76 85
DEWPT         73 74 74 73 72 75 73 74 75 76 74 74 74 74 72 73 74 73 75 73 73 71
RH            59 77 85 87 82 70 54 54 64 82 82 88 85 70 57 58 68 82 97 97 90 63
WIND DIR      SE  E  E NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E  E  E  E  E
WIND SPD       8  6  8  8  8 10 11 12 10  8  9  8  8 10 12 12 12  9  9  9  5 12
CLOUDS        FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC SC SC SC FW
POP 12HR                     20          20          10          10          10
QPF 12HR                   0.01        0.08           0        0.04           0
RAIN SHWRS              S  S  S  S  S  S  S  S              S  S  S  S  S  S  S
HEAT INDEX    97 88          95101103 99 89 84       93 96 98 94             90
MAX HEAT        100    86    95   103   103    87    93    98    97          90


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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          93      75    93      75    93      74    93      74    93
TEMP          93 81   76 86 93 81   76 86 93 80   75 86 93 80   75 86 93 80
DEWPT         70 72   72 71 71 72   74 73 70 73   72 71 70 73   73 72 72 74
PWIND DIR        SE       E    SE      NE     E      NE     E      NE     E
WIND CHAR        GN      GN    BZ      GN    BZ      GN    BZ      GN    GN
AVG CLOUDS    FW SC   FW FW FW FW   FW FW FW FW   FW FW FW SC   FW FW FW SC
POP 12HR         20      10    20      10    20      10    20      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-280815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          89          79          88          75
TEMP          86 81 80 78 79 85 88 89 87 82 81 79 80 84 87 88 85 79 77 76 77 84
DEWPT         76 75 77 76 74 73 76 77 77 77 77 75 74 72 73 75 77 76 76 74 74 74
RH            72 82 91 94 85 67 68 68 72 85 88 88 82 67 63 66 77 91 97 94 90 72
WIND DIR       E  E  E SE SE  E NE NE NE  E SE SE SE  E NE  N NE  E SE  E  E  E
WIND SPD       9  9  8  8  6  6  8  6  9  6  5  6  8  8  5  8 10  9  6  9  9 12
CLOUDS        B2 FW FW FW FW FW FW B2 B2 SC SC FW FW FW FW B1 B1 SC SC SC SC FW
POP 12HR                     10          70          30          40          10
QPF 12HR                   0.01        0.58        0.01        0.33           0
RAIN SHWRS     C                    L  L  C  C        S  S  C  C  S  S  S  S  S
TSTMS          S                    S  S                    S  S
HEAT INDEX    96 87 87       92 99102 99 90 88    84 90 94 98 96             91
MAX HEAT        100    87    92   102   102    90    90    98    98          91


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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      80    86      80    86      79    85      79    85
TEMP          88 83   80 84 86 82   80 83 86 81   79 83 85 81   79 83 85 81
DEWPT         74 75   73 73 75 76   76 76 77 75   74 74 76 75   75 75 76 76
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   FW FW FW SC   SC SC SC FW   FW FW FW SC   FW FW FW B1
POP 12HR         50      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  S  C
TSTMS          S  S                                                       S

$$

PRZ010-280815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          89          76          92          75
TEMP          86 80 78 76 77 83 88 89 86 80 78 77 78 86 91 92 88 81 78 76 77 85
DEWPT         74 73 74 73 72 73 73 74 77 76 76 74 73 73 73 73 75 76 75 74 73 73
RH            68 79 88 90 85 72 61 61 75 88 94 90 85 65 56 54 66 85 91 94 87 67
WIND DIR       E  E NE NE NE  N SW NW NE  E  E NE NE SE SE  S  N  S SE  E  E  E
WIND SPD       8  4  5  6  6  6  8  9  9  4  5  8 10 12 10  9  4  4  6  8  6  9
CLOUDS        B2 FW FW FW FW FW FW B1 B1 SC SC FW FW FW FW B2 B2 FW FW FW FW FW
POP 12HR                     10          50          20          60          10
QPF 12HR                      0        0.41        0.01        0.50           0
RAIN SHWRS     C                    C  C  S  S              L  L  S  S  S  S  S
TSTMS          S                    S  S                    S  S
HEAT INDEX    94 84          89 96 98 97 86          93100101 98 87          92
MAX HEAT         98          89    98    99    86    93   101   101    86    92


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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          91      77    91      77    88      76    89      76    89
TEMP          91 82   78 85 91 82   78 84 88 80   77 84 89 80   77 84 89 80
DEWPT         74 73   73 72 74 73   75 75 75 74   73 73 74 74   74 74 76 75
PWIND DIR        SE       E     E       E    NE      NE    NE      NE     E
WIND CHAR        GN      LT    GN      GN    GN      GN    BZ      GN    GN
AVG CLOUDS    SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW FW B1
POP 12HR         30      10    50      10    50      10    40      10    50
RAIN SHWRS     C  C    S  S  C  C    S  S  C  C    S  S  C  C    S  S  S  C
TSTMS                        S  S          S  S          S  S             S

$$

VIZ001-280815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          88          80          89          80
TEMP          88 83 82 80 81 85 87 88 86 83 81 80 81 85 88 89 87 83 82 80 81 86
DEWPT         76 77 77 76 76 76 77 78 77 77 76 76 75 75 75 75 75 75 75 75 74 74
RH            68 82 85 88 85 75 72 72 75 82 85 88 82 72 66 64 68 77 79 85 79 68
WIND DIR      SE  E  E  E  E  E SE SE SE  E  E SE SE SE SE  E  E  E  E  E  E  E
WIND SPD       9 10 10 11 11 11 11 11  9  9 11 12 13 13 13 11 11 12 14 17 18 19
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 SC
POP 12HR                     30          30          30          50          50
QPF 12HR                   0.06        0.29        0.02        0.10        0.14
RAIN SHWRS     S  S  S  S  S  C  C  C  C  S  S  S  S  C  C  S  S  C  C  C  C  C
TSTMS                                                             S  S  S  S
HEAT INDEX    99 92 90 86 87 94 99102 97 92 87 86 87 94 98 99 96 90 89 85 86 94
MAX HEAT        102    92    94   102   100    90    94    99    99    90    94


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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          90      80    88      80    88      80    85      80    85
TEMP          90 83   80 85 88 83   80 85 88 83   80 83 85 82   80 83 85 82
DEWPT         74 74   72 74 75 77   76 76 76 75   75 74 76 76   76 75 77 77
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 B1
POP 12HR         30      30    30      20    20      30    30      40    40
RAIN SHWRS     C  C    C  C  C  S    S  S  S  S    S  C  C  C    C  C  C  C
TSTMS                                                       S    S  S  S  S

$$

VIZ002-280815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
328 PM AST Thu Jul 27 2017

DATE           07/27/17      FRI 07/28/17            SAT 07/29/17            SUN
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          78          91          77
TEMP          88 82 80 79 80 85 89 90 87 82 80 78 80 86 90 91 88 82 79 78 79 85
DEWPT         76 77 77 77 77 77 77 77 77 76 76 76 75 75 75 75 75 75 75 75 75 75
RH            68 85 91 94 91 77 68 66 72 82 88 94 85 70 62 60 66 79 88 91 88 72
WIND DIR       E  E  E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      10 10 12 11 10 13 12 12 11 10 10 11 12 13 13 11 11 12 14 17 19 18
CLOUDS        SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC B2 B2 B2 B2 SC
POP 12HR                     40          40          20          50          50
QPF 12HR                   0.12        0.31        0.02        0.10        0.14
RAIN SHWRS     S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  C  C  C  C  C  C  C
TSTMS                         S  S                                S  S  S  S
HEAT INDEX    99 90 87    87 96102103 99 89 86    85 95101102 98 89          94
MAX HEAT        102    90    96   103   103    87    95   102   101    87    94


DATE           07/30  MON 07/31/17  TUE 08/01/17  WED 08/02/17  THU 08/03/17
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      78    88      78    89      78    86      78    86
TEMP          89 82   78 84 88 81   79 85 89 82   79 83 86 81   78 83 86 81
DEWPT         75 75   74 75 76 78   77 77 77 77   76 76 76 77   77 77 77 78
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    WY      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 B1
POP 12HR         30      30    30      20    20      30    30      40    40
RAIN SHWRS     C  C    C  C  C  S    S  S  S  S    S  C  C  C    C  C  C  C
TSTMS                                                       S    S  S  S  S

$$



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