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Issued by NWS San Juan, PR

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FOCA52 TJSJ 220817
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
417 AM AST Sun Oct 22 2017

PRZ001-222045-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          87          75          88
TEMP          76 83 88 89 83 81 79 78 77 83 86 87 81 79 77 76 75 82 87 88 82 80
DEWPT         72 72 72 71 72 72 72 71 71 71 71 71 72 71 71 71 70 70 71 70 72 72
RH            87 70 59 56 70 74 79 79 82 67 61 59 74 77 82 85 84 67 59 55 72 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      10 11 13 14 13 11 11  9  6  8 13 14 13 11 10  9  8  9 12 14 13 10
CLOUDS        FW SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.01        0.02        0.03        0.01        0.04
RAIN SHWRS     S  S  S        S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       88 94 95 88 83          88 93 95 87 84          88 95 96 88 84
MAX HEAT         88    95    94    83    88    95    94          88    96    95


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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      77    89      77    88      78    88
TEMP          77 83 89 81   78 84 89 81   78 83 88 81   79 84 88 80
DEWPT         73 73 73 74   73 73 74 73   73 73 73 73   73 74 74 74
PWIND DIR        SE     E      SE     E       E     E      NE    NE
WIND CHAR        GN    GN      GN    GN      LT    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      30    30      30    30      30    30
RAIN SHWRS     S  C  C  S    C  C  C  S    S  C  C  S    S  C  C  S

$$

PRZ002-222045-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          77          88          76          88
TEMP          77 83 87 88 83 80 79 78 77 83 87 88 82 80 78 77 76 83 87 88 82 80
DEWPT         72 73 72 72 72 72 72 71 71 73 73 73 72 71 71 71 70 71 72 72 73 73
RH            85 72 61 59 70 77 79 79 82 72 63 61 72 74 79 82 82 67 61 59 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 13 13 12 13 13 13 12 10 11 12 12 12 13 11 10  9  9 12 12 11 11
CLOUDS        FW SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          30          30
QPF 12HR                   0.04        0.02        0.03        0.04        0.05
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  C
HEAT INDEX       88 93 94 87 83          88 94 96 87 84          89 96 96 88 84
MAX HEAT         88    94    92    83    88    96    94          89    96    95


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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    88      78    88
TEMP          77 83 89 80   77 83 89 81   78 83 88 81   79 84 88 80
DEWPT         73 74 75 74   74 74 75 73   74 74 74 73   74 74 75 74
PWIND DIR         E    SE       E     E       E    NE      NE    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 SC
POP 12HR         30    30      30    30      30    30      30    30
RAIN SHWRS     C  C  C  S    C  C  C  S    C  C  C  C    C  C  C  C

$$

PRZ007-222045-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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                      92          70          89          69          90
TEMP          72 83 90 92 81 77 74 72 70 81 87 89 79 75 72 70 69 81 88 90 81 77
DEWPT         69 70 68 67 69 70 70 69 68 69 68 69 70 70 69 68 68 69 68 68 69 70
RH            90 65 49 44 67 79 87 90 93 67 53 52 74 84 90 93 97 67 52 49 67 79
WIND DIR      NE  E  E SE  E NE NE NE NE  E  E SE SE NE NE NE NE NE SE SE  E  E
WIND SPD      10 12 14 16 13  9  9  9 10 10 13 14 14  9  9  9  9 10 12 13 13  9
CLOUDS        FW FW FW FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC
POP 12HR                      5           5          20          10          20
QPF 12HR                      0           0        0.03           0        0.04
RAIN SHWRS                                      S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       87 94 96 85             84 91 93 83             86 94 96 84
MAX HEAT         87    96    94          84    93    92          86    96    94


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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    91      72    91      72    91      73    91
TEMP          72 82 91 78   73 83 91 78   73 83 91 78   74 83 91 78
DEWPT         70 72 71 71   71 72 71 72   71 72 71 71   70 72 71 71
PWIND DIR        NE    SE      NE    SE      NE    NE      NE    NE
WIND CHAR        GN    GN      GN    GN      LT    LT      LT    LT
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC B1   SC SC SC SC
POP 12HR         30    30      20    30      20    50      30    50
RAIN SHWRS     S  S  S  S    S  S  C  C    S  S  C  C    C  C  C  C
TSTMS                                            S  S          S  S

$$

PRZ008-222045-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          85          73          85
TEMP          75 81 85 86 81 78 77 76 75 81 84 85 79 77 75 74 73 80 84 85 80 77
DEWPT         71 72 72 73 73 72 71 71 70 71 72 72 72 72 72 70 69 70 69 70 72 72
RH            87 74 65 65 77 82 82 85 84 72 67 65 79 85 90 87 87 72 61 61 77 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E  E
WIND SPD      12 14 17 19 19 17 12 11 11 12 13 18 18 16 13 11 11 11 12 13 10 11
CLOUDS        FW FW FW FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC
POP 12HR                      5           5          20          10          30
QPF 12HR                      0           0        0.02           0        0.04
RAIN SHWRS                                      S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       85 91 92 84             85 90 92 84             84 90 92 84
MAX HEAT         85    93    92          85    92    91          84    92    90


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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    85      76    87      76    86      77    86
TEMP          75 80 85 79   77 82 87 79   77 82 86 80   78 82 86 80
DEWPT         71 72 71 71   72 71 74 74   72 73 74 73   73 73 74 74
PWIND DIR         E     E       E    NE       E     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20    30      20    20      20    20      20    20
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-222045-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          72          88          70          88
TEMP          70 81 87 89 81 77 75 73 72 81 87 88 79 75 73 71 70 80 87 88 80 77
DEWPT         70 70 70 70 71 71 71 70 69 70 69 70 71 71 71 69 68 68 64 66 71 71
RH           100 69 57 54 72 82 87 90 90 69 55 55 77 87 93 93 93 67 46 48 74 82
WIND DIR       E  E  E NE NE  E NE  E NE  E  E  S SW  S  E  E  E  E  E SW  N  E
WIND SPD      10 11 10  6  5  8  6  8  8  9  8  5  4  3 10 10 10 10  5  3  4  5
CLOUDS        FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW B1 B1 SC
POP 12HR                     30           5          40          10          50
QPF 12HR                   0.10           0        0.06           0        0.11
RAIN SHWRS              C  C                    C  C  S  S  S  S  S  S  C  C  S
TSTMS                                                                   S  S
HEAT INDEX       85 93 96 86             85 91 92 83             85 92 93 83
MAX HEAT         85    96    96          85    92    91          85    93    92


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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          72    88      72    90      73    89      76    89
TEMP          73 81 88 77   73 82 90 78   74 82 89 80   77 83 89 79
DEWPT         70 71 72 71   71 71 72 73   71 72 73 73   72 73 74 73
PWIND DIR         E    SE       E     W      NE    NE      NE    NE
WIND CHAR        GN    LT      GN    LT      LT    GN      GN    GN
AVG CLOUDS    SC SC SC B1   FW FW SC B1   SC SC SC SC   SC SC SC SC
POP 12HR         20    50      20    50      20    30      20    30
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS                S  S          S  S

$$

VIZ001-222045-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          77          87          76          88
TEMP          78 84 87 88 83 80 79 78 77 83 86 87 82 79 78 77 76 83 87 88 83 80
DEWPT         72 72 72 72 72 72 72 72 72 71 72 72 71 72 72 71 71 71 71 72 73 73
RH            82 67 61 59 70 77 79 82 85 67 63 61 69 79 82 82 85 67 59 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      17 14 14 14 16 16 16 14 13 14 14 13 16 16 16 13 13 12 13 12 13 14
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          30          30
QPF 12HR                   0.04        0.02        0.03        0.04        0.04
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  C
HEAT INDEX       87 90 89 85             88 94 95 89 84          89 92 94 89 86
MAX HEAT         87    90    89    84    88    95    94    84    89    94    92


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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    86      79    87      78    88      78    88
TEMP          78 82 86 81   79 83 87 81   79 84 88 81   79 84 88 81
DEWPT         74 73 74 74   74 74 73 74   74 73 73 74   74 74 74 74
PWIND DIR         E     E       E     E       E    NE      NE    NE
WIND CHAR        GN    GN      GN    GN      GN    BZ      BZ    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      30    30      30    30      30    30
RAIN SHWRS     C  C  C  S    C  C  C  S    C  C  C  C    C  C  C  C

$$

VIZ002-222045-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
417 AM AST Sun Oct 22 2017

DATE             SUN 10/22/17            MON 10/23/17            TUE 10/24/17
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          76          88          75          88
TEMP          76 83 87 88 82 80 78 77 76 83 87 88 82 79 77 76 75 82 87 88 82 80
DEWPT         73 73 73 73 73 73 73 73 73 73 73 74 74 73 73 74 73 73 74 75 75 75
RH            90 72 63 61 74 79 85 87 90 72 63 63 77 82 87 94 94 74 65 66 79 85
WIND DIR       E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      13 14 14 14 14 14 14 13 12 13 14 13 16 14 13 12 12 12 12 13 16 16
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          30          30
QPF 12HR                   0.02        0.02        0.03        0.04        0.04
RAIN SHWRS     S  S  S        S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  C
HEAT INDEX       87 92 92 86             89 96 97 88             87 94 97 89 85
MAX HEAT         87    93    91          89    97    96          87    97    95


DATE          WED 10/25/17  THU 10/26/17  FRI 10/27/17  SAT 10/28/17
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    88      75    89      75    89      78    88
TEMP          77 83 88 79   76 83 89 79   76 83 89 81   79 84 88 80
DEWPT         74 74 75 75   75 75 74 75   74 74 75 75   75 75 75 75
PWIND DIR         E     E       E     E       E    NE      NE    NE
WIND CHAR        GN    GN      GN    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      30    20      30    30      30    30
RAIN SHWRS     C  C  C  S    C  C  S  S    C  C  C  C    C  C  C  C

$$



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