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Issued by NWS San Juan, PR

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FOCA52 TJSJ 151959
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
359 PM AST Fri Dec 15 2017

PRZ001-160815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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                      75          85          76          84          76
TEMP          81 78 77 76 75 79 84 85 81 79 78 77 76 79 83 84 80 78 77 77 76 79
DEWPT         71 71 71 71 72 73 72 72 73 72 72 72 72 71 70 71 72 72 72 72 72 72
RH            72 79 82 85 90 82 67 65 77 79 82 85 87 77 65 65 77 82 85 85 87 79
WIND DIR       E  E  E  E  E  E  E  E NE  E  E NE NE  E  E NE NE NE NE NE NE  E
WIND SPD      12 10 10 10 11 12 14 13 13 13 12 13 14 16 17 16 14 14 16 17 16 16
CLOUDS        FW SC SC SC SC FW FW SC SC SC SC SC SC SC SC FW FW SC SC SC SC B1
POP 12HR                     20          20          30          30          30
QPF 12HR                   0.02        0.04        0.04        0.03        0.05
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  C  C  C  C  C
HEAT INDEX    85                90 91 86                87 89 84
MAX HEAT         89                91    90                89    88


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          84      74    84      74    85      74    84      74    84
TEMP          84 77   75 78 84 77   75 78 85 77   75 78 84 77   75 78 84 77
DEWPT         72 72   72 72 73 72   71 72 72 72   71 72 71 70   71 72 71 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    BZ
AVG CLOUDS    B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      30    30      30    30      30    30      40    40
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    C  C  C  S    C  C  C  C

$$

PRZ002-160815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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          86          78          85          77
TEMP          81 79 78 77 76 80 85 86 82 80 79 79 78 81 84 85 81 79 78 78 77 80
DEWPT         72 71 71 72 72 73 73 72 73 72 71 71 71 71 70 71 72 72 72 72 72 73
RH            74 77 79 85 87 79 67 63 74 77 77 77 79 72 63 63 74 79 82 82 85 79
WIND DIR       E  E  E NE NE  E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD      12 12 12 13 14 14 16 14 13 16 14 14 16 17 17 16 16 17 19 19 17 17
CLOUDS        SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC FW FW SC SC SC SC B1
POP 12HR                     20          30          30          30          30
QPF 12HR                   0.02        0.04        0.04        0.03        0.05
RAIN SHWRS     C  S  S  S  S  S  S  C  C  S  S  C  C  C  C  S  S  C  C  C  C  C
HEAT INDEX    85             84 92 92 87 84          85 88 90 85             84
MAX HEAT         90          84    93    91    84    85    90    89          84


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          84      76    84      76    84      76    84      76    84
TEMP          84 78   77 79 84 78   77 79 84 78   77 79 84 78   77 79 84 78
DEWPT         73 72   72 72 73 72   72 72 72 72   71 72 72 71   71 72 73 71
PWIND DIR        NE       E     E       E     E       E    NE       E     E
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    BZ
AVG CLOUDS    B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      30    30      30    30      30    30      40    40
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    C  C  C  S    C  C  C  C

$$

PRZ007-160815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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                      71          87          72          87          72
TEMP          79 76 74 72 71 77 85 87 79 76 75 73 72 78 85 87 79 76 74 73 72 78
DEWPT         69 68 68 68 68 70 70 68 69 70 70 69 69 69 67 64 68 69 69 69 69 70
RH            72 76 82 87 90 79 61 53 72 82 84 87 90 74 55 46 69 79 84 87 90 76
WIND DIR       E NE NE NE NE NE  E  E NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD       8  6  6  6  6  6 10 10  9  5  5  5  8  6 13 12 10  8  9 10 10 10
CLOUDS        FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW
POP 12HR                      5          20           5          20          10
QPF 12HR                      0        0.01           0        0.02        0.02
RAIN SHWRS     S                    S  S                    S  S  S  S  S  S  S
HEAT INDEX                      90 91                   88 88
MAX HEAT         87                91    88                89    87


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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      67    87      67    87      67    87      67    87
TEMP          86 73   68 75 86 73   68 75 86 73   68 75 86 73   68 75 86 73
DEWPT         71 69   68 70 69 70   68 70 69 69   68 69 70 68   68 69 68 68
PWIND DIR        NE      NE    NE      NE     E      NE    NE      NE    NE
WIND CHAR        GN      LT    GN      LT    LT      LT    LT      LT    GN
AVG CLOUDS    FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
POP 12HR         10      10    10      10    10      10    10      10    30
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  C

$$

PRZ008-160815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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          83          77          82          77
TEMP          80 78 77 77 76 79 82 83 80 78 78 77 77 79 81 82 79 78 78 77 77 79
DEWPT         72 71 70 71 71 72 73 73 73 73 73 72 72 72 72 72 72 71 71 71 71 72
RH            77 79 79 82 85 79 74 72 79 85 85 85 85 79 74 72 79 79 79 82 82 79
WIND DIR       E  E  E  E  E  E  E  E  E NE NE  E  E  E  E NE NE  E  E NE NE  E
WIND SPD      17 14 12 13 13 16 19 19 19 19 19 19 19 20 23 23 21 21 23 23 23 20
CLOUDS        FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     10           5          30          30          20
QPF 12HR                   0.02        0.01        0.04        0.02        0.03
RAIN SHWRS        S  S  S  S  S  S        S  S  C  C  C  C  S  S  S  S  S  S  S
HEAT INDEX    84                87 89 84                85 87
MAX HEAT         88                89    87                87    85


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          83      76    83      76    84      76    83      76    83
TEMP          83 78   76 79 83 78   76 79 84 78   77 79 83 78   76 79 83 78
DEWPT         73 72   72 72 73 72   71 71 72 72   72 71 72 71   71 71 72 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    GN      GN    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC FW FW   SC SC SC FW   SC SC SC FW   SC SC SC SC
POP 12HR         20      20    20      20    20      20    20      30    30
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    C  C  C  S

$$

PRZ010-160815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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                      72          85          73          84          73
TEMP          78 76 74 73 72 77 84 85 79 76 75 73 73 77 82 83 78 76 75 73 73 77
DEWPT         71 70 69 69 70 71 72 72 72 71 72 71 71 71 70 70 71 70 70 70 70 71
RH            79 82 84 87 93 82 67 65 79 85 90 93 93 82 67 65 79 82 84 90 90 82
WIND DIR       E  E  E NE NE  E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD       8  9  8  8  9 10 13 13 13 12 12  9 11 12 17 18 17 16 17 17 16 14
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                      5          10          10          20          20
QPF 12HR                      0        0.01        0.01        0.02        0.03
RAIN SHWRS     C                    S  S        S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      90 91                   86 87
MAX HEAT         87                91    88                88    86


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          84      69    84      69    84      69    84      69    84
TEMP          84 73   70 75 84 73   70 75 84 73   70 75 84 73   70 75 84 73
DEWPT         72 71   70 71 72 71   70 70 71 71   70 70 72 69   70 70 71 70
PWIND DIR        NE       E    NE       E    NE       E    NE       E    NE
WIND CHAR        BZ      GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
POP 12HR         20      10    10      10    10      10    10      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

VIZ001-160815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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          86          75          87          76
TEMP          81 79 78 77 76 80 85 86 81 78 77 76 75 80 86 87 82 79 78 77 76 80
DEWPT         71 71 72 72 72 72 72 72 72 71 70 71 70 70 71 71 72 72 72 72 72 72
RH            72 77 82 85 87 77 65 63 74 79 79 85 84 72 61 59 72 79 82 85 87 77
WIND DIR       E  E  E NE  E  E NE NE  E NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD      16 17 17 18 18 17 18 18 19 19 19 20 21 21 21 21 21 23 27 28 27 26
CLOUDS        FW SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR                     20          30          30          30          30
QPF 12HR                   0.02        0.04        0.05        0.04        0.05
RAIN SHWRS     S  S  S  S  S  S  S  C  C  S  S  C  C  C  C  S  S  C  C  C  C  C
HEAT INDEX    85             84 91 92 85             83 91 93 87             84
MAX HEAT         89          84    92    90          83    93    90          84


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          85      77    85      77    85      77    85      77    85
TEMP          85 79   78 80 85 79   78 80 85 79   78 80 85 79   78 80 85 79
DEWPT         71 72   72 72 72 72   71 71 71 72   71 71 70 72   71 71 72 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      30    30      30    30      30    30      40    40
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    C  C  C  S    C  C  C  C

$$

VIZ002-160815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
359 PM AST Fri Dec 15 2017

DATE           12/15/17      SAT 12/16/17            SUN 12/17/17            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                      75          85          75          86          74
TEMP          81 78 77 76 75 79 84 85 80 78 77 76 75 79 85 86 80 77 76 75 74 78
DEWPT         73 73 73 73 73 73 73 73 73 71 72 72 71 72 73 73 73 74 74 73 73 73
RH            77 85 87 90 94 82 70 67 79 79 85 87 87 79 67 65 79 90 94 94 97 85
WIND DIR       E  E  E NE  E  E NE NE  E  E NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD      14 14 16 17 16 17 17 17 18 17 17 18 19 19 20 20 21 21 23 21 21 21
CLOUDS        FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR                      5          30          20          30          30
QPF 12HR                      0        0.03        0.04        0.05        0.05
RAIN SHWRS                          C  C  S  S  S  S  S  S  S  S  C  C  C  C  C
HEAT INDEX    86                90 92 84                92 93 84
MAX HEAT         90                92    89                93    90


DATE           12/18  TUE 12/19/17  WED 12/20/17  THU 12/21/17  FRI 12/22/17
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          85      77    85      77    85      77    85      77    85
TEMP          85 79   78 80 85 79   78 80 85 79   78 80 85 79   78 80 85 79
DEWPT         73 74   73 73 73 73   73 73 73 73   72 72 72 73   72 72 72 73
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         50      30    30      30    30      30    30      40    40
RAIN SHWRS     C  C    C  C  S  C    C  C  C  S    C  C  C  S    C  C  C  C

$$



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