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Issued by NWS San Juan, PR

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FOCA52 TJSJ 210800
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
400 AM AST Sat Oct 21 2017

PRZ001-212000-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      89          76          88          77          89
TEMP          79 85 88 89 83 80 78 77 76 83 88 88 83 81 79 78 77 83 87 88 82 80
DEWPT         72 72 72 72 72 72 72 71 71 71 72 72 72 71 72 70 70 71 71 72 73 72
RH            79 65 59 57 70 77 82 82 85 67 59 59 70 72 79 76 79 67 59 59 74 77
WIND DIR      SE  E  E  E  E  E  E  E SE  E  E  E  E  E  E SE SE  E  E  E  E  E
WIND SPD       9 11 14 16 14 12 11  9  9 10 14 14 14 13 11  9  9 10 13 13 14 12
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.03        0.01        0.02        0.02        0.03
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       91 95 96 88 84          88 95 96 88 85          88 93 95 87 84
MAX HEAT         91    96    95          88    96    95    83    88    95    94


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          76    89      76    89      77    89      78    88
TEMP          77 83 89 80   77 83 89 81   78 84 89 81   79 83 87 80
DEWPT         72 72 72 72   73 73 73 74   74 74 74 74   73 73 73 72
PWIND DIR         E     E      SE     E      SE     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
POP 12HR         20    20      30    30      30    10      30    40
RAIN SHWRS     S  S  S  S    S  C  C  S    C  C  S  S    C  C  C  C
TSTMS                                                          S  S

$$

PRZ002-212000-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      89          77          85          77          89
TEMP          78 84 87 88 83 80 79 78 77 84 85 85 83 81 79 78 77 83 87 88 82 80
DEWPT         72 72 73 72 72 72 72 71 71 72 73 72 72 71 71 70 71 72 72 73 73 73
RH            82 67 63 59 70 77 79 79 82 67 67 65 70 72 77 76 82 70 61 61 74 79
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      13 14 14 14 14 14 13 12 12 13 13 13 13 14 13 11 10 12 13 12 14 13
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.03        0.01        0.02        0.02        0.03
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C
HEAT INDEX       90 94 95 88 84          90 96 96 88 85          88 94 96 87 84
MAX HEAT         90    96    94    84    90    97    95    83    88    96    94


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          76    89      76    89      77    89      77    88
TEMP          77 83 89 80   77 84 89 81   78 83 88 80   78 83 87 79
DEWPT         73 73 72 73   74 73 74 74   74 75 74 74   73 73 74 73
PWIND DIR         E     E       E     E      SE     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC B1 B1
POP 12HR         30    30      30    30      30    20      30    50
RAIN SHWRS     C  C  C  S    C  C  C  S    C  C  S  S    C  C  C  C
TSTMS                                                          S  S

$$

PRZ007-212000-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      91          72          89          70          91
TEMP          74 83 89 90 81 77 75 73 72 83 89 89 81 76 74 71 70 82 89 91 81 76
DEWPT         70 70 68 69 70 69 69 69 69 70 69 69 70 69 69 68 67 69 67 67 70 70
RH            87 65 50 50 69 76 82 87 90 65 52 52 69 79 84 90 90 65 48 45 69 82
WIND DIR      NE  E  E SE  E NE NE NE NE  E  E  E  E NE NE NE NE NE  E SE  E NE
WIND SPD      10 11 14 16 13 10 10 10 10 12 14 16 14  9  9 10 10 11 13 14 16 10
CLOUDS        CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC
POP 12HR                      5           5          10          10          20
QPF 12HR                   0.01           0        0.01        0.01        0.03
RAIN SHWRS              S  S                    S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       87 93 95 85             87 94 96 85             85 92 94 85
MAX HEAT         87    95    92          87    96    94          85    94    93


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          70    91      71    91      72    91      73    90
TEMP          71 81 90 77   72 81 89 77   73 82 90 78   74 84 90 78
DEWPT         70 70 69 70   70 71 71 71   71 72 71 72   71 71 70 70
PWIND DIR        NE     E      NE     E       E    SE      NE     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC B1
POP 12HR         20    20      20    20      10    10      20    50
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  C  C
TSTMS                                                          S  S

$$

PRZ008-212000-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      86          75          86          75          86
TEMP          78 82 85 86 81 78 77 76 75 81 84 85 80 78 77 76 75 81 85 86 80 78
DEWPT         71 72 71 72 72 71 71 71 71 71 72 73 73 71 70 70 69 70 71 72 73 73
RH            79 72 63 63 74 79 82 85 87 72 67 67 79 79 79 82 82 69 63 63 79 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD      13 16 17 20 21 18 14 13 13 14 16 18 20 17 12 12 12 11 13 18 16 13
CLOUDS        CL CL CL FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC
POP 12HR                     20           5          20          10          20
QPF 12HR                   0.03           0        0.03        0.01        0.02
RAIN SHWRS              S  S                    S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       87 90 92 85             85 90 92 84             85 90 92 84
MAX HEAT         87    92    91          85    92    90          85    92    91


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          74    86      74    86      76    86      77    85
TEMP          75 80 85 77   75 80 85 79   77 82 86 80   78 82 85 79
DEWPT         72 72 73 72   70 72 70 74   71 73 74 74   73 73 73 73
PWIND DIR         E     E       E     E       E    NE       E    NE
WIND CHAR        GN    GN      GN    GN      LT    GN      GN    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   FW FW SC SC   SC SC SC SC
POP 12HR         20    20      20    20      10    10      20    30
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  C  C

$$

PRZ010-212000-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      89          70          89          72          89
TEMP          75 83 88 89 80 76 73 71 70 79 85 86 79 76 74 73 72 82 89 89 81 77
DEWPT         70 71 70 70 71 71 70 70 70 70 70 72 73 71 70 69 69 69 67 67 71 72
RH            84 67 55 54 74 85 90 97100 74 61 63 82 85 87 87 90 65 48 48 72 85
WIND DIR       E  E  E  E  E  E  E NE  E  E  E  N  W  E  E  E  E  E  E NW  W NE
WIND SPD       9 10 10  9  8 10 10 10 10 12 10  8  8  9 10 10 11  9  8  3  3  4
CLOUDS        CL CL CL FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC
POP 12HR                     20           5          30          10          30
QPF 12HR                   0.04           0        0.06        0.01        0.06
RAIN SHWRS              S  S                    C  C  S  S  S  S  S  S  C  C  S
HEAT INDEX       88 93 94 83                90 92                85 92 93 85
MAX HEAT         88    94    92                92    92          85    93    92


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          71    89      72    89      72    89      74    88
TEMP          72 80 87 77   73 80 86 76   73 81 88 78   75 82 88 78
DEWPT         70 70 70 70   70 72 71 72   70 72 73 74   72 72 73 72
PWIND DIR         E     N       E    SE       E    NE       E     E
WIND CHAR        GN    LT      LT    GN      LT    LT      GN    GN
AVG CLOUDS    SC SC SC B1   SC SC SC SC   FW FW SC B1   SC SC SC B1
POP 12HR         20    40      20    40      10    40      20    50
RAIN SHWRS     S  S  S  C    S  S  S  C    S  S  S  C    S  S  C  C
TSTMS                   S                           S          S  S

$$

VIZ001-212000-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          78          86          77          88
TEMP          81 85 87 88 83 81 80 79 78 84 86 86 83 80 79 78 77 83 87 88 83 80
DEWPT         72 72 72 72 72 72 72 72 72 72 72 71 71 72 71 72 72 72 72 72 73 73
RH            74 65 61 59 70 74 77 79 82 67 63 61 67 77 77 82 85 70 61 59 72 79
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      16 17 17 16 17 17 17 14 14 16 17 16 17 18 16 14 13 14 14 14 17 18
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.03        0.01        0.02        0.02        0.03
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C
HEAT INDEX    85 91 94 95 88 85 84       90 94 94 88 84          88 94 95 89 84
MAX HEAT         91    95    94    85    90    95    93    84    88    95    94


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          77    87      78    87      78    87      77    86
TEMP          78 83 87 81   79 83 87 81   79 84 87 80   78 83 86 79
DEWPT         72 73 72 74   73 73 73 74   74 74 74 74   72 72 73 72
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    GN      BZ    GN      BZ    GN      BZ    GN
AVG CLOUDS    SC SC SC FW   SC SC SC SC   SC SC FW FW   SC SC SC SC
POP 12HR         30    30      30    30      30    10      30    30
RAIN SHWRS     C  C  C  S    C  C  C  S    C  C  S  S    C  C  C  C

$$

VIZ002-212000-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
400 AM AST Sat Oct 21 2017

DATE             SAT 10/21/17            SUN 10/22/17            MON 10/23/17
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      90          76          88          75          90
TEMP          83 85 88 88 82 80 78 77 76 83 88 88 82 79 77 76 75 83 88 89 82 79
DEWPT         73 73 74 73 73 73 73 73 73 73 73 72 73 73 73 73 73 73 73 73 74 74
RH            72 67 63 61 74 79 85 87 90 72 61 59 74 82 87 90 94 72 61 59 77 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E
WIND SPD      14 16 17 16 16 16 16 14 13 14 16 16 17 16 16 13 13 14 13 13 14 17
CLOUDS        SC SC SC CL CL SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.01        0.01        0.02        0.02        0.03
RAIN SHWRS     S  S  S        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C
HEAT INDEX    89 92 97 96 87 84          89 96 96 87             89 96 97 88
MAX HEAT         92    97    94          89    97    95          89    97    96


DATE          TUE 10/24/17  WED 10/25/17  THU 10/26/17  FRI 10/27/17
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          75    89      76    89      77    89      76    88
TEMP          76 82 88 80   77 83 89 81   78 84 89 80   77 82 87 78
DEWPT         74 72 74 75   74 74 75 76   75 75 75 75   74 73 73 74
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    GN      BZ    GN      BZ    GN      BZ    GN
AVG CLOUDS    SC SC SC FW   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      30    30      30    10      30    30
RAIN SHWRS     C  C  C  S    S  C  C  S    C  C  S  S    C  C  C  C

$$



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