Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 141912
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
312 PM AST Thu Dec 14 2017

PRZ001-150815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          86          75          85          76
TEMP          81 78 77 76 75 79 85 86 81 78 77 76 75 79 84 85 80 78 77 76 76 79
DEWPT         70 70 70 72 72 72 72 70 69 70 71 71 71 71 72 73 73 73 73 72 71 71
RH            69 76 79 87 90 79 65 59 67 76 82 85 87 77 67 67 79 85 87 87 85 77
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE NE NE NE
WIND SPD      10  8  6  8  8  8 11 13 11 10 10 10 10 10 13 13 13 14 16 17 17 17
CLOUDS        SC FW FW SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.05        0.03        0.01        0.02        0.01
RAIN SHWRS     S  S  S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    84             83 90 91 84             82 89 91 85             82
MAX HEAT         90          83    91    89          82    91    90          82


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      75    85      74    85      74    84
TEMP          84 78   76 79 84 77   75 79 85 77   75 78 85 77   75 78 84 77
DEWPT         72 72   72 72 72 72   72 72 72 72   72 72 71 71   71 70 68 70
PWIND DIR        NE      NE    NE      NE     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    40      30    30      30    30      30    30
RAIN SHWRS     S  C    C  C  C  C    C  C  C  C    C  C  C  S    C  C  C  S

$$

PRZ002-150815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          85          76          85          78
TEMP          80 77 76 75 74 78 84 85 81 79 78 77 76 80 84 85 81 80 79 78 78 80
DEWPT         70 71 71 72 72 72 71 71 70 70 71 71 71 72 72 73 73 73 73 72 71 71
RH            72 82 85 90 93 82 65 63 69 74 79 82 85 77 67 67 77 79 82 82 79 74
WIND DIR       E  E  E  E  E  E  E  E  E  E NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD       9  9 11 11 11 10 11 11 12 12 12 13 13 12 13 13 16 16 19 19 19 17
CLOUDS        SC FW FW SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.05        0.03        0.01        0.02        0.01
RAIN SHWRS     S  S  S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    83                89 90 84             83 90 91 86 84 82       84
MAX HEAT         89                90    88          83    91    90    83    84


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      78    84      77    84      77    84      76    84
TEMP          84 80   78 80 84 79   78 80 84 79   77 80 84 78   76 79 84 78
DEWPT         72 73   72 72 73 73   72 72 73 72   72 72 72 72   71 71 69 71
PWIND DIR        NE      NE    NE      NE     E       E     E      NE    NE
WIND CHAR        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    40      30    30      30    30      30    30
RAIN SHWRS     S  C    C  C  C  C    C  C  C  C    C  C  C  S    C  C  C  S

$$

PRZ007-150815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          88          71          89          69
TEMP          79 76 74 72 71 78 86 87 79 76 74 72 71 78 87 88 79 75 73 70 69 76
DEWPT         69 69 67 67 68 68 71 70 69 68 66 66 66 67 70 70 70 70 70 70 69 69
RH            72 79 79 84 90 71 61 57 72 76 76 81 84 69 57 55 74 84 90100100 79
WIND DIR       E NE NE NE NE NE  E  E  E NE NE NE NE NE  E  E NE NE NE NE NE NE
WIND SPD       9  6  6  5  5  5  9 10  8  6  6  6  5  5 10 10  9  8 10 10 11 11
CLOUDS        FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5          10          10          20          10
QPF 12HR                      0        0.01        0.01        0.02        0.01
RAIN SHWRS                          S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    82                91 92 82                91 93
MAX HEAT         89                93    89                94    90


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      69    87      68    87      67    87      67    87
TEMP          86 74   70 76 86 74   69 75 86 73   68 75 86 73   68 75 86 73
DEWPT         67 69   69 69 68 69   69 70 68 69   68 70 69 69   68 69 63 66
PWIND DIR        NE      NE    NE      NE    NE      NE    NE      NE    NE
WIND CHAR        GN      GN    GN      LT    GN      LT    LT      LT    LT
AVG CLOUDS    SC FW   FW FW FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
POP 12HR         10      10    10      10    10      10    10      10    10
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-150815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          85          76          84          77
TEMP          81 79 78 76 76 79 84 85 81 79 78 77 76 79 83 84 81 79 78 77 77 79
DEWPT         73 73 71 71 72 72 73 73 72 71 71 71 71 72 72 73 73 73 73 73 72 72
RH            77 82 79 85 87 79 70 67 74 77 79 82 85 79 70 70 77 82 85 87 85 79
WIND DIR       E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E NE  E NE NE NE NE
WIND SPD      11  9 11 11 10 10 13 14 16 16 14 13 13 16 17 19 19 18 21 20 23 23
CLOUDS        SC FW FW SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.03        0.04        0.01        0.02        0.01
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    86             83 90 91 85             82 88 90 85 82          83
MAX HEAT         91          83    92    89          82    90    89          83


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      77    83      77    84      76    84      76    83
TEMP          83 79   77 79 83 78   77 80 84 78   77 79 84 78   77 79 83 78
DEWPT         71 72   72 71 72 71   72 72 72 72   72 72 72 71   71 70 72 71
PWIND DIR         E      NE     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
AVG CLOUDS    SC FW   SC SC SC FW   SC SC FW FW   SC SC SC FW   SC SC SC FW
POP 12HR         20      20    20      20    20      20    20      20    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-150815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          72          85          71
TEMP          79 76 74 73 72 77 84 85 79 76 74 73 72 77 84 85 78 75 74 72 71 76
DEWPT         72 73 70 66 68 67 70 70 71 69 68 68 68 68 70 73 72 71 72 72 71 71
RH            79 90 87 79 87 71 63 61 77 79 82 84 87 74 63 67 82 87 93100100 85
WIND DIR       N  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE NE NE NE NE NE
WIND SPD       3  5  6  6  6  6  6  4  4  8  9  9  9  9 11 12 14 13 16 16 17 17
CLOUDS        B1 FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5          20          10          20          10
QPF 12HR                      0        0.04        0.01        0.02        0.01
RAIN SHWRS     C              S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      88 89                   88 91
MAX HEAT         88                90    87                91    88


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      71    84      70    84      69    84      69    84
TEMP          84 75   72 76 84 74   71 76 84 74   70 75 84 74   70 75 84 74
DEWPT         69 71   71 70 70 70   70 71 71 71   70 71 71 71   69 68 69 70
PWIND DIR        NE      NE    NE      NE    NE      NE    NE       E    NE
WIND CHAR        BZ      BZ    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC FW   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
POP 12HR         20      20    20      10    10      10    10      10    10
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

VIZ001-150815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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          86          76          86          77
TEMP          81 78 77 76 75 79 85 86 81 79 78 77 76 80 85 86 82 80 79 78 77 80
DEWPT         70 71 73 72 72 72 72 71 71 72 72 73 73 73 73 72 73 73 72 71 71 71
RH            69 79 87 87 90 79 65 61 72 79 82 87 90 79 67 63 74 79 79 79 82 74
WIND DIR       E  E  E  E  E  E  E  E  E  E  E NE  E  E NE NE NE NE NE NE NE NE
WIND SPD      11 11 13 13 13 14 16 16 14 16 17 17 17 18 18 19 20 21 32 33 32 31
CLOUDS        SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.05        0.02        0.01        0.02        0.02
RAIN SHWRS     S  S  S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    84             83 90 91 85             84 91 92 87 84          84
MAX HEAT         89          83    91    89          84    92    91    83    84


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      78    85      77    85      77    85      77    85
TEMP          85 80   78 81 85 79   78 80 85 79   77 80 85 79   78 80 85 79
DEWPT         72 73   72 72 72 72   72 72 72 72   72 71 71 71   71 71 70 71
PWIND DIR        NE      NE    NE       E     E       E     E      NE     E
WIND CHAR        WY      WY    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    40      30    30      30    30      30    30
RAIN SHWRS     S  C    C  C  C  C    C  C  C  C    C  C  C  S    C  C  C  S

$$

VIZ002-150815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
312 PM AST Thu Dec 14 2017

DATE           12/14/17      FRI 12/15/17            SAT 12/16/17            SUN
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                      73          86          75          86          77
TEMP          80 77 75 74 73 78 85 86 81 78 77 76 75 79 85 86 82 80 79 78 77 80
DEWPT         71 72 72 72 71 70 70 71 71 72 72 73 73 73 74 73 73 73 73 72 72 71
RH            74 85 90 93 93 76 61 61 72 82 85 90 94 82 70 65 74 79 82 82 85 74
WIND DIR       E  E  E  E  E  E  E  E  E NE  E  E  E  E NE  E NE NE NE NE NE NE
WIND SPD      11 13 13 13 13 14 16 14 13 16 17 17 18 19 18 17 19 20 28 28 26 25
CLOUDS        SC FW FW SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          10          20          20          10
QPF 12HR                   0.03        0.02        0.01        0.02        0.01
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    83                89 91 84             83 92 93 87 84          84
MAX HEAT         89                91    89          83    94    91    83    84


DATE           12/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17  THU 12/21/17
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      78    85      77    85      77    85      77    85
TEMP          85 80   78 81 85 79   78 80 85 79   77 80 85 79   77 80 85 79
DEWPT         73 74   74 73 73 73   73 73 73 73   73 73 73 73   72 72 72 73
PWIND DIR        NE      NE     E      NE     E       E     E       E     E
WIND CHAR        WY      WY    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      40    40      30    30      30    30      30    30
RAIN SHWRS     S  C    C  C  C  C    C  C  S  C    C  C  C  S    C  C  C  S

$$


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