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Issued by NWS San Juan, PR

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FOCA52 TJSJ 181939
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
339 PM AST Fri Aug 18 2017

PRZ001-190815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          90          79          89          78
TEMP          86 82 81 80 80 86 89 90 87 83 81 80 80 85 88 89 86 82 80 79 79 85
DEWPT         74 75 76 77 78 78 78 77 77 78 78 78 78 78 77 76 75 76 77 76 76 77
RH            68 79 85 91 94 77 70 66 72 85 91 94 94 80 70 66 70 82 91 91 91 77
WIND DIR       E  E  E  E  E  E  E  E  E  E  E SE  E  E  E SE SE  E  E  E  E  E
WIND SPD      16 16 16 17 18 18 18 18 16 12 10  8  5  8 11 14 12 11 11 10  9 11
CLOUDS        FW SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     40          40          50          50          30
QPF 12HR                   0.09        0.37        0.24        0.70        0.13
RAIN SHWRS        S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                               S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    94 89 87 87 87 98103103 99 93 89 87 87 97100100 95 89 87       96
MAX HEAT         97    89    98   105   102    91    97   102    99    87    96


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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    88      79    92      79    92      79    88
TEMP          89 82   80 85 88 82   80 87 92 83   80 87 92 83   80 85 88 82
DEWPT         77 78   78 78 77 77   77 77 75 74   74 75 76 75   76 76 74 74
PWIND DIR         E       E    NE      SE    NE      SW    SE       E     E
WIND CHAR        GN      GN    GN      LT    LT      LT    GN      LT    GN
AVG CLOUDS    B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      30    50      50    50      30    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
TSTMS                                                                     S

$$

PRZ002-190815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          80          88          80
TEMP          87 83 82 81 81 86 89 90 87 83 82 81 81 85 88 88 86 83 82 80 81 86
DEWPT         74 75 76 77 78 78 78 77 77 77 77 77 77 77 78 78 77 77 76 75 76 77
RH            65 77 82 88 91 77 70 66 72 82 85 88 88 77 72 72 75 82 82 85 85 75
WIND DIR      NE NE NE  E  E  E  E  E  E  E  E  E  E  E SE SE SE  E  E  E  E  E
WIND SPD      17 18 18 19 19 19 18 16 14 12 11 10  8 10 12 14 13 12 13 13 12 14
CLOUDS        SC SC SC SC B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     50          50          50          50          60
QPF 12HR                   0.11        0.38        0.29        0.48        0.22
RAIN SHWRS     S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  C
TSTMS                               S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    95 90 89 88 89 98103103 99 92 90 88 88 96102102 97 92 89 85 87 97
MAX HEAT         99    90    98   105   103    92    96   102   102    90    97


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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      77    90      77    90      77    87
TEMP          90 83   81 85 88 81   78 85 90 81   78 85 90 81   78 83 87 80
DEWPT         77 78   78 78 77 78   78 77 74 75   74 76 77 75   77 76 74 75
PWIND DIR         E      NE    NE      NE    SE      SE    SE       E     E
WIND CHAR        GN      GN    GN      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B2 SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      40    50      50    50      30    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
TSTMS          S                S    S  S  S                              S

$$

PRZ007-190815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          92          74          90          75
TEMP          88 82 79 77 78 86 91 92 86 80 77 75 76 84 89 90 85 80 78 76 77 86
DEWPT         70 72 74 74 75 75 75 74 75 76 76 75 75 76 77 77 77 77 77 76 75 75
RH            55 72 85 90 91 70 60 56 70 88 97100 97 77 68 66 77 91 97100 94 70
WIND DIR      NE NE NE NE NE  E  E SE SE  E NE NE NE  E SE SE  E  E  E  E  E  E
WIND SPD      16 11 12 12 11 17 19 19 17 10  6  6  5  6 10 11  9  8  8  6  5  6
CLOUDS        FW FW FW FW FW FW FW B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5          30          20          30          10
QPF 12HR                      0        0.24        0.03        0.11        0.04
RAIN SHWRS                          C  C  S  S  S  S  S  S  C  C  S  S  S  S  S
TSTMS                               S  S                    S  S
HEAT INDEX    93 87          95102102 95 86          93102103 96 87          95
MAX HEAT         99    86    95   103   101          93   103   102          95


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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      74    91      73    91      73    91      73    90
TEMP          93 80   75 85 91 79   74 84 91 79   74 84 91 79   74 84 90 79
DEWPT         76 76   75 76 78 74   74 73 73 73   72 73 72 73   72 74 69 72
PWIND DIR         E      NE     E      NE    SE      NE    SE      NE     E
WIND CHAR        GN      GN    LT      LT    LT      LT    LT      LT    GN
AVG CLOUDS    SC SC   FW FW SC SC   FW FW SC SC   SC SC SC SC   FW FW FW FW
POP 12HR         40      10    50      10    30      20    20      10    10
RAIN SHWRS     C  C    S  S  C  C    S  S  C  C    S  S  S  S    S  S  S  S
TSTMS                        S  S

$$

PRZ008-190815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          90          78          89          78
TEMP          87 83 81 80 80 86 89 90 86 82 80 79 79 85 88 89 86 82 80 79 79 85
DEWPT         74 75 76 76 77 78 77 77 77 78 78 78 78 78 77 78 78 76 78 77 76 76
RH            65 77 85 88 91 77 68 66 75 88 94 97 97 80 70 70 77 82 94 94 91 75
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      21 18 19 19 20 21 23 24 21 17 14 13  9  9  8  6  6  9 12 10 10  9
CLOUDS        FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC SC SC SC
POP 12HR                     20          30          10          50          30
QPF 12HR                   0.01        0.17        0.05        0.76        0.10
RAIN SHWRS                 S  S  S  C  C  S  S  S  S  S  S  C  C  C  C  C  C  C
TSTMS                               S  S                    S  S  S  S  S  S
HEAT INDEX    95 90 87 86 87 98102103 97 91 87       97100103 98 89 87       94
MAX HEAT         98    89    98   103   102    89    97   103   102    88    94


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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    89      79    88      79    88      79    87
TEMP          90 82   79 85 89 82   80 85 88 82   80 85 88 82   80 84 87 82
DEWPT         78 76   78 78 77 77   77 75 75 74   72 72 73 77   74 76 76 75
PWIND DIR         E       E    NE       E    NE      SE    NE       E    NE
WIND CHAR        GN      GN    GN      LT    GN      LT    LT      LT    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   FW FW SC SC   FW FW FW SC
POP 12HR         30      20    20      20    30      10    50      10    20
RAIN SHWRS     C  S    S  S  S  S    S  S  C  C    S  S  C  C    S  S  S  S
TSTMS                                                    S  S

$$

PRZ010-190815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          93          75          89          76
TEMP          88 83 81 79 80 87 92 93 87 81 78 76 76 84 88 89 85 80 78 77 78 86
DEWPT         74 74 75 76 77 77 77 77 77 77 77 76 76 76 75 77 77 75 77 76 75 75
RH            63 74 82 91 91 72 62 60 72 88 97100100 77 66 68 77 85 97 97 91 70
WIND DIR      NE NE NE NE NE  E  E  E NE  E  E  E  E  E SE SE SE  E  E  E  E  E
WIND SPD      13 13 12 12 12 16 16 16  9  8  9  8  6  6  5  6  8  6  8  6  5  5
CLOUDS        SC FW FW FW FW FW FW B1 B1 FW FW FW FW SC SC B1 B1 SC SC SC SC SC
POP 12HR                      5          50           5          40          10
QPF 12HR                      0        0.40           0        0.50        0.04
RAIN SHWRS     S                    C  C                    C  C  S  S  S  S  S
TSTMS                               S  S                    S  S
HEAT INDEX    97 90 87    87 99106107 99 88          93 98102 96 85          95
MAX HEAT        100    88    99   107   106    87    93   102   100    86    95


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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      75    89      76    87      76    87      76    88
TEMP          92 81   76 84 89 80   77 83 87 80   77 83 87 80   77 83 88 80
DEWPT         77 74   76 77 77 75   76 74 75 74   72 72 75 75   73 75 74 75
PWIND DIR         E      NE    NE       E    NE       E    SE       E     E
WIND CHAR        GN      GN    GN      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC
POP 12HR         50      10    30      10    50      10    50      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          S  S

$$

VIZ001-190815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          79          88          79
TEMP          88 84 82 81 81 86 89 90 87 83 81 80 80 85 87 88 85 82 81 80 80 86
DEWPT         76 77 78 79 78 78 78 78 78 78 77 77 77 78 79 77 77 77 76 76 77 78
RH            68 80 88 94 91 77 70 68 75 85 88 91 91 80 77 70 77 85 85 88 91 77
WIND DIR       E  E NE  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E
WIND SPD      20 20 23 23 23 21 20 17 16 14 13 11 11 13 18 18 16 16 18 19 18 19
CLOUDS        SC SC SC SC B2 B2 B2 SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     50          50          50          50          60
QPF 12HR                   0.11        0.30        0.29        0.48        0.21
RAIN SHWRS     S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  L  L  L  L  C
TSTMS                               S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    99 94 91 90 89 98103105100 93 88 87 87 97101100 96 90 87 86 87 98
MAX HEAT        101    92    98   105   103    91    97   102   100    88    98


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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      79    89      81    89      81    89      81    87
TEMP          91 83   80 85 89 84   81 86 89 84   81 86 89 84   81 85 87 83
DEWPT         77 78   79 78 78 78   78 78 74 74   74 75 76 77   76 75 74 75
PWIND DIR         E      NE    NE       E     S      SE     E       E     E
WIND CHAR        BZ      GN    GN      LT    LT      LT    GN      GN    GN
AVG CLOUDS    B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      40    50      50    50      30    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
TSTMS          S                S    S  S  S                              S

$$

VIZ002-190815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
339 PM AST Fri Aug 18 2017

DATE           08/18/17      SAT 08/19/17            SUN 08/20/17            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          79          89          79
TEMP          88 84 82 81 81 86 89 90 87 83 81 80 80 85 88 89 86 82 81 80 80 86
DEWPT         77 78 79 79 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 76 77 78
RH            70 82 91 94 91 77 70 68 75 85 91 94 94 80 72 68 75 85 88 88 91 77
WIND DIR      NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      19 20 20 20 20 21 19 17 13 12 11 11 11 12 17 17 16 16 19 19 18 18
CLOUDS        SC SC SC SC B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     50          50          50          50          50
QPF 12HR                   0.12        0.31        0.29        0.48        0.18
RAIN SHWRS     S  S  S  S  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
TSTMS                      S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX   100 95 92 90 89 98103105100 93 89 87 87 97102102 97 90 88 86 87 98
MAX HEAT        102    93    98   105   103    91    97   103   102    90    98


DATE           08/21  TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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      79    89      78    89      78    89      78    88
TEMP          91 83   80 85 89 82   79 85 89 82   79 85 89 82   79 84 88 81
DEWPT         78 78   78 78 78 77   78 77 75 75   76 77 76 78   76 75 75 76
PWIND DIR         E      NE     E      SE    SE      SE     E       E     E
WIND CHAR        BZ      GN    LT      LT    LT      GN    GN      BZ    GN
AVG CLOUDS    B1 SC   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      40    50      50    50      30    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  C
TSTMS          S                S    S  S  S                              S

$$


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