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Issued by NWS San Juan, PR

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FOCA52 TJSJ 240145 AAA
PFMSJU

POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
945 PM AST Wed Aug 23 2017

PRZ001-240830-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          92          80          89          79
TEMP                82 81 81 87 91 92 88 84 82 81 81 86 88 89 86 82 81 80 80 81
DEWPT               75 75 75 76 76 76 75 77 76 76 75 77 77 76 75 75 75 75 74 74
RH                  79 82 82 70 62 60 66 80 82 85 82 75 70 66 70 79 82 85 82 79
WIND DIR             E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD             6  6  6  8 11 11 10  8  6  5  5  9 12 14 11 10 10 10  9 11
CLOUDS              FW SC SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     20          40          40          40          40
QPF 12HR                   0.02        0.20        0.03        0.14        0.04
RAIN SHWRS           S  S  S  S  S  C  C  S  S  S  S  C  C  C  C  S  S  C  C  C
TSTMS                               S  S
HEAT INDEX          89 87 87 98103105 98 94 89 87 87 97100100 95 89 87 85 84 86
MAX HEAT               90    98   105   103    92    97   102   100    89    86


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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      78    89      78    90      79    89      79    89
TEMP          85 81   80 82 85 81   80 82 86 82   81 82 87 82   81 83 87 82
DEWPT         74 74   74 74 74 75   75 74 75 75   75 75 75 76   76 75 75 75
PWIND DIR         E       E     E       E     E      SE     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC   SC SC B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      30    30      20    20      30    30      10    20
RAIN SHWRS     C  S    S  C  C  S    S  S  S  S    S  C  C  S    S  S  S  S

$$

PRZ002-240830-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          90          80          90          80
TEMP                81 80 80 86 89 90 87 83 82 81 81 86 89 90 87 83 82 81 80 81
DEWPT               75 75 76 77 77 78 77 76 76 76 76 77 77 76 75 75 75 75 74 75
RH                  82 85 88 75 68 68 72 80 82 85 85 75 68 64 68 77 79 82 82 82
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE  E
WIND SPD            10  9  8  9 10 10  8  8 10  9 10 10 13 11 10 11 12 13 12 12
CLOUDS              FW SC SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     30          40          40          40          40
QPF 12HR                   0.02        0.20        0.04        0.07        0.05
RAIN SHWRS           S  C  C  C  C  C  C  S  S  S  S  C  C  S  S  S  S  C  C  C
TSTMS                               S  S
HEAT INDEX          87 85 86 97102105 99 91 89 87 87 97102102 96 90 89 87 84 87
MAX HEAT               88    97   105   103    91    97   103   100    90    87


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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    89      78    90      79    90      79    90
TEMP          85 80   79 81 84 80   80 82 85 81   80 81 85 81   81 83 86 82
DEWPT         75 75   74 75 76 75   75 75 76 76   75 75 75 76   76 76 75 75
PWIND DIR         E       E    SE       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC   SC SC B1 SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      50    50      40    30      30    30      20    20
RAIN SHWRS     C  S    S  C  C  C    C  C  C  S    S  C  C  S    S  S  S  S

$$

PRZ007-240830-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          72          89          73
TEMP                76 74 75 83 88 89 84 78 75 73 74 83 88 89 84 78 76 74 75 83
DEWPT               73 72 72 74 73 72 74 75 75 73 73 73 73 73 73 73 72 72 72 72
RH                  90 93 90 74 61 57 72 91100100 97 72 61 59 70 85 87 93 90 70
WIND DIR            NE NE NE  E SE SE SE  E NE NE NE  E  E  E  E NE NE  N NE NE
WIND SPD             5  5  5  6 10 10  6  4  4  4  5  6 10 12  6  4  5  5  5  9
CLOUDS              FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW SC SC SC
POP 12HR                     10          10           5          30           5
QPF 12HR                   0.01        0.03        0.01        0.12        0.01
RAIN SHWRS              S  S  S  S        S  S  S  S  S  S  C  C  S  S  S  S  S
HEAT INDEX                   90 96 96 91             89 96 97 90             88
MAX HEAT                     90    96    95          89    97    97          88


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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      72    88      72    91      73    89      73    89
TEMP          88 78   76 82 88 78   76 82 89 78   77 82 89 78   78 83 89 79
DEWPT         70 72   72 72 71 72   73 71 72 73   73 72 71 72   74 72 70 72
PWIND DIR         E       E    SE       E    SE       E     E       E     E
WIND CHAR        GN      LT    GN      LT    LT      LT    GN      LT    GN
AVG CLOUDS    SC SC   SC SC SC B1   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      10    50      20    30      20    20      10    20
RAIN SHWRS     S  S    S  S  S  C    S  S  C  C    S  S  S  S    S  S  S  S
TSTMS                           S          S  S

$$

PRZ008-240830-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          76          88          78
TEMP                80 79 79 85 88 89 85 80 78 77 77 83 87 88 85 81 80 79 79 81
DEWPT               75 73 73 73 75 76 77 77 76 75 74 75 77 77 77 76 75 74 74 75
RH                  85 82 82 67 66 66 77 91 94 94 90 77 72 70 77 85 85 85 85 82
WIND DIR             E  E  E  E  E NE NE  E  E  E  E  E  E NE  E  E  E  E  E  E
WIND SPD             9 10  9 10  8 10  9 10 10  9  8  9 12 16 14 17 14 12 12 16
CLOUDS              CL FW FW FW FW B2 B2 FW FW FW FW FW FW SC SC SC SC SC SC SC
POP 12HR                      5          60           5          30          20
QPF 12HR                   0.01        0.26           0        0.12        0.03
RAIN SHWRS                          L  L              S  S  C  C  S  S  S  S  S
TSTMS                               S  S
HEAT INDEX          85       92 98100 96 87          90 99100 96 87 85       87
MAX HEAT               87    92   100    99    87    90   100   100    87    87


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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    88      78    89      78    88      78    88
TEMP          84 82   80 81 85 82   80 81 86 82   81 81 85 83   80 82 87 82
DEWPT         75 75   73 74 74 74   74 74 74 75   74 74 75 75   74 75 76 75
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    SC SC   SC SC SC B1   B1 SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    50      40    20      20    20      10    20
RAIN SHWRS     S  S    S  S  S  C    C  C  S  S    S  S  S  S    S  S  S  S
TSTMS                           S

$$

PRZ010-240830-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          91          74          93          74
TEMP                79 76 77 85 90 91 86 80 77 75 76 86 92 93 87 80 78 75 77 81
DEWPT               75 73 72 73 74 74 75 76 75 75 74 74 76 76 77 75 74 73 73 74
RH                  88 90 85 67 60 58 70 88 94100 94 68 60 58 72 85 88 94 87 79
WIND DIR             E  E  E  E SW NW  E  E  E  E  E  E  E SE  E NE  E  E NE NE
WIND SPD             4  5  5  4  3  4  3  3  5  5  5  5  5  5  4  6  8  8 10 11
CLOUDS              CL FW FW FW FW B2 B2 FW FW FW FW SC SC B1 B1 FW FW FW FW FW
POP 12HR                      5          60           5          50           5
QPF 12HR                      0        0.26           0        0.21        0.01
RAIN SHWRS                          L  L              S  S  C  C  S  S  S  S  S
TSTMS                               S  S                    S  S
HEAT INDEX                   92 99101 95 86          94105106 99 85          86
MAX HEAT               85    92   101    99          94   106   105          86


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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          92      74    91      74    87      75    91      75    91
TEMP          86 80   77 81 86 80   78 81 87 80   79 81 87 80   78 82 89 80
DEWPT         75 74   73 73 72 74   73 73 71 73   74 74 73 73   73 74 75 75
PWIND DIR         E       E    SE      SE     E       E    SE       E     E
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC B1   SC SC SC B1   B1 SC SC B1   SC SC SC B1   SC SC SC SC
POP 12HR         50      10    50      40    40      20    50      10    20
RAIN SHWRS     C  C    S  S  S  C    C  C  C  C    S  S  C  C    S  S  S  S
TSTMS          S  S             S          S  S          S  S

$$

VIZ001-240830-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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                      81          89          81          90          80
TEMP                83 81 82 86 89 89 87 84 83 81 82 87 89 90 87 83 82 81 82 82
DEWPT               75 76 76 77 77 77 77 77 77 77 76 76 75 75 75 75 75 75 74 74
RH                  77 85 82 75 68 68 72 80 82 88 82 70 64 62 68 77 79 82 77 77
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE  E  E
WIND SPD            12 12 10 12 13 11 11 11 11 12 13 14 16 13 14 14 20 20 18 20
CLOUDS              FW SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1
POP 12HR                     20          30          30          30          40
QPF 12HR                   0.02        0.15        0.03        0.06        0.05
RAIN SHWRS           S  S  S  S  S  C  C  S  S  S  S  C  C  S  S  S  S  C  C  C
HEAT INDEX          90 87 89 97102102 99 94 92 88 89 98 99101 96 90 89 87 88 88
MAX HEAT               90    97   102   102    92    98   101   101    90    88


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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    89      80    90      80    91      81    91
TEMP          83 83   82 82 82 82   82 82 83 82   82 82 83 83   82 83 84 83
DEWPT         74 75   74 75 74 75   75 75 75 75   75 75 76 76   75 75 75 75
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    30      30    30      30    30      20    20
RAIN SHWRS     C  C    C  C  C  S    S  C  C  S    S  C  C  S    S  S  S  S

$$

VIZ002-240830-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
945 PM AST Wed Aug 23 2017

DATE           08/23/17      THU 08/24/17            FRI 08/25/17            SAT
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          91          79          91          78
TEMP                81 80 80 86 90 91 87 83 81 80 80 86 90 91 87 82 80 79 83 83
DEWPT               77 78 77 78 78 78 77 77 78 77 77 76 76 75 76 76 76 76 76 75
RH                  88 94 91 77 68 66 72 82 91 91 91 72 64 60 70 82 88 91 80 77
WIND DIR             E  E  E  E  E SE  E  E  E  E  E  E  E  E NE NE NE  E  E  E
WIND SPD            11 11 11 12 12 11 10 11 11 11 14 16 14 13 13 13 17 16 13 16
CLOUDS              FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1
POP 12HR                     20          20          30          30          40
QPF 12HR                   0.02        0.11        0.03        0.06        0.05
RAIN SHWRS           S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S  S  C  C  C
HEAT INDEX          88 87 87 98105106 99 92 89 87 87 96102102 98 89 86    91 90
MAX HEAT               89    98   106   105    91    96   103   101    89    91


DATE           08/26  SUN 08/27/17  MON 08/28/17  TUE 08/29/17  WED 08/30/17
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      78    90      78    90      78    90      80    91
TEMP          84 84   83 83 83 83   83 83 84 83   83 84 84 84   83 84 84 84
DEWPT         75 76   75 75 76 76   75 76 76 76   76 76 76 77   76 76 76 76
PWIND DIR         E       E    SE       E     E       E     E       E     E
WIND CHAR        BZ      BZ    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   B1 B1 B1 SC   SC SC SC B1   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    40      20    40      30    30      20    20
RAIN SHWRS     C  C    C  C  C  S    S  S  C  C    S  C  C  S    S  S  S  S
TSTMS                                      S  S

$$


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