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Issued by NWS San Juan, PR

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FOCA52 TJSJ 231828
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
228 PM AST Wed Aug 23 2017

PRZ001-240815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
228 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          85 81 80 80 80 83 86 87 85 82 82 81 80 82 85 86 85 81 80 80 80 81
DEWPT         75 74 75 75 75 76 76 77 76 77 76 76 75 77 77 76 75 75 75 75 74 74
RH            72 79 85 85 85 80 72 72 75 85 82 85 85 85 77 72 72 82 85 85 82 79
WIND DIR       E SE SE SE SE  E  E  E  E  E SE SE SE  E NE  E  E  E  E  E NE NE
WIND SPD      12  9  6  6  5 10 12 13 12  9  8  8  8 10 13 13 13 11 11 10 11 12
CLOUDS        FW FW 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                   0.03        0.20        0.03        0.14        0.04
RAIN SHWRS     S  S  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    94 86 85 85 85 91 96 99 94 90 89 87 85 90 96 96 94 87 85 85 84 86
MAX HEAT         95    86    91    99    97    90    90    96    96    87    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       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    BZ      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

$$

PRZ002-240815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
228 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          80          90          80
TEMP          84 80 80 80 80 83 85 85 84 81 81 80 80 82 84 85 84 81 80 80 80 81
DEWPT         74 74 75 75 76 77 77 78 77 76 76 76 76 77 77 76 75 75 75 75 74 75
RH            72 82 85 85 88 82 77 80 80 85 85 88 88 85 80 75 74 82 85 85 82 82
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE NE NE
WIND SPD      10  9  9  9  9 11 12 12 11  9 10 10  9 11 12 12 12 12 12 11 13 13
CLOUDS        FW FW 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                   0.03        0.20        0.04        0.07        0.05
RAIN SHWRS     S  S  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    91 84 85 85 86 92 96 97 94 87 87 86 86 90 94 94 92 87 85 85    87
MAX HEAT         94    85    92    97    97    87    90    94    94    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          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     E       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

$$

PRZ007-240815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
228 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                      74          91          72          90          73
TEMP          85 78 76 75 75 83 90 91 87 79 78 77 76 83 90 90 87 79 76 75 75 83
DEWPT         74 74 73 72 72 74 73 72 74 75 75 74 73 73 73 73 73 73 72 72 72 72
RH            70 88 90 90 90 74 58 54 65 88 91 90 90 72 58 58 63 82 87 90 90 70
WIND DIR       E  E NE NE NE  E SE SE SE NE NE NE NE  E SE  E SE NE  E NE  N NE
WIND SPD       9  6  8  8  8  9 13 13 11  8  8  8  9 11 12 10 10  9  9  9 10 12
CLOUDS        FW FW 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  S  C  C  S  S  S  S  S
HEAT INDEX    93             90 98100 95             89 98 98 94             88
MAX HEAT         96          90   100    97          89    98    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      NE    SE       E    SE       E    SE       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    BZ      GN    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

$$

PRZ008-240815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
228 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          84 82 81 79 79 81 85 86 85 83 82 81 80 81 85 86 84 82 81 79 79 81
DEWPT         76 75 75 73 73 73 75 76 77 77 76 75 74 75 77 77 77 76 75 74 74 75
RH            77 79 82 82 82 77 72 72 77 82 82 82 82 82 77 75 80 82 82 85 85 82
WIND DIR       E  E  E  E  E  E  E NE  E  E  E  E  E  E  E NE  E  E  E  E  E NE
WIND SPD       9  9 10 10 11 11 13 11 10  9  9 10 11 10 13 16 14 14 14 12 11 14
CLOUDS        SC CL 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     C                    L  L              S  S  C  C  S  S  S  S  S
TSTMS                               S  S
HEAT INDEX    96 89 85       94 99100 96 88          92 99100 94 86 84    84 91
MAX HEAT         99    87    94   100   100    87    92   100   100    86    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          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        NE       E     E       E     E      SE     E       E     E
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      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

$$

PRZ010-240815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
228 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                      76          91          74          93          74
TEMP          84 80 79 77 76 81 87 88 87 82 80 79 78 81 88 87 85 81 79 77 77 81
DEWPT         75 75 75 73 72 73 74 74 75 76 75 75 74 74 76 76 77 75 74 73 73 74
RH            74 85 88 87 87 77 65 63 68 82 85 88 88 79 68 70 77 82 85 87 87 79
WIND DIR       S NE  E  E  E  E  W NW NE  S NE NE NE NE  E  S NE  N  E NE NE NE
WIND SPD       4  4  5  6  6  5  5  6  5  5  5  5  6  6  6  8  9  5 10  8 10 12
CLOUDS        SC CL 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     C                    L  L              S  S  C  C  S  S  S  S  S
TSTMS                               S  S                    S  S
HEAT INDEX    92 85          86 95 97 96 89 85       86 99 98 96 87          86
MAX HEAT         94    85    86    97    97    87    86    99    97    85    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       E     E       E     S       E     E
WIND CHAR        GN      GN    GN      LT    LT      LT    LT      LT    GN
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

$$

VIZ001-240815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
228 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 82 82 82 82 83 83 84 83 83 83 82 82 82 82 83 83 82 82 82 82 82
DEWPT         74 75 75 76 76 77 77 77 77 77 77 77 76 76 75 75 75 75 75 75 74 74
RH            74 79 79 82 82 82 82 80 82 82 82 85 82 82 79 77 77 79 79 79 77 77
WIND DIR       E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E NE  E NE NE NE  E
WIND SPD      11 11 12 12 12 14 13 13 12 12 13 13 12 14 16 13 14 16 16 16 17 16
CLOUDS        FW FW 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                   0.03        0.15        0.03        0.06        0.05
RAIN SHWRS     S  S  S  S  S  S  S  C  C  S  S  S  S  C  C  S  S  S  S  C  C  C
HEAT INDEX    90 89 89 89 89 92 92 94 92 92 92 90 89 89 89 90 90 89 89 89 88 88
MAX HEAT         90    89    92    94    94    92    90    90    90    89    89


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    BZ      GN    GN      GN    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

$$

VIZ002-240815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
228 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          84 83 83 83 83 84 84 84 84 84 83 83 83 83 83 84 84 83 83 83 83 83
DEWPT         76 76 77 78 77 78 78 78 77 77 78 77 77 76 76 75 76 76 76 76 76 75
RH            77 80 82 85 82 82 82 82 80 80 85 82 82 80 80 74 77 80 80 80 80 77
WIND DIR       E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E NE NE NE NE  E  E
WIND SPD      11 11 12 12 12 13 13 13 11 11 12 12 13 16 16 14 14 16 14 14 17 17
CLOUDS        FW FW 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                   0.03        0.11        0.03        0.06        0.05
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S  S  C  C  C
HEAT INDEX    93 91 92 93 92 95 95 95 94 94 93 92 92 91 91 92 93 91 91 91 91 90
MAX HEAT         93    93    95    95    95    94    92    92    93    91    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     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      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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