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Issued by NWS San Juan, PR

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FOCA52 TJSJ 131929
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
329 PM AST Wed Dec 13 2017

PRZ001-140830-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          86          75          85          76
TEMP          81 78 76 75 74 79 85 86 81 78 77 76 75 79 84 85 81 79 78 77 76 80
DEWPT         72 73 72 71 70 70 72 72 72 71 71 71 71 72 70 70 70 70 71 72 72 71
RH            74 85 87 87 87 74 65 63 74 79 82 85 87 79 63 61 69 74 79 85 87 74
WIND DIR       E  S  S  S  S SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD       2  4  4  5  5  4  9 10  9  8  9 10  9  9 11 10 10 10 11 10  9 11
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     20          30          30          20          20
QPF 12HR                   0.02        0.06        0.09        0.06        0.01
RAIN SHWRS     S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX    85                91 92 85                88 90 85             83
MAX HEAT         90                92    90                90    88          83


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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      76    84      76    84      75    84      74    84
TEMP          85 79   77 79 84 78   77 79 84 78   76 79 84 77   75 78 84 77
DEWPT         72 72   71 72 71 71   72 73 73 72   72 72 72 72   71 72 71 70
PWIND DIR        NE      NE     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    BZ      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   B1 B1 B1 SC   B1 B1 B1 SC   B1 B1 SC SC
POP 12HR         20      20    20      40    40      30    30      30    30
RAIN SHWRS     S  S    S  S  S  S    C  C  C  C    C  C  C  C    C  C  C  S

$$

PRZ002-140830-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          86          75          85          76
TEMP          79 76 75 73 72 78 84 86 81 78 77 76 75 79 84 85 81 79 78 77 76 80
DEWPT         72 72 71 71 72 72 73 71 71 71 71 72 71 72 71 71 71 71 72 71 71 72
RH            79 87 87 93100 82 70 61 72 79 82 87 87 79 65 63 72 77 82 82 85 77
WIND DIR       S  W NW  E SE SE  E SE  E  E  E  E  E  E  E  E  E  E  E NE  E  E
WIND SPD       8  3  3  4  8  8 10 10  8  9 10 11 11 10 10 10 10 11 12 11 12 11
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     30          30          30          20          20
QPF 12HR                   0.04        0.06        0.09        0.06        0.01
RAIN SHWRS     S  C  C  C  C  C  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX                      90 91 85                89 90 85             84
MAX HEAT         90                92    89                90    89          84


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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          86      77    85      77    86      76    84      75    85
TEMP          86 80   78 80 85 79   78 81 86 79   77 79 84 78   76 79 85 77
DEWPT         73 73   71 72 70 72   72 73 74 73   72 73 73 72   72 72 71 71
PWIND DIR        NE      NE    NE      NE     E       E     E       E     E
WIND CHAR        GN      BZ    BZ      BZ    BZ      GN    BZ      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   B1 B1 B1 SC   B1 B1 B1 SC   B1 B1 SC SC
POP 12HR         20      20    20      40    40      30    30      30    30
RAIN SHWRS     S  S    S  S  S  S    C  C  C  C    C  C  C  C    C  C  C  S

$$

PRZ007-140830-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          86          68          86          69
TEMP          78 75 74 72 71 77 84 85 77 73 71 69 68 75 84 85 77 74 72 70 69 76
DEWPT         72 71 68 67 67 68 70 71 71 69 68 68 68 70 69 66 68 67 68 70 69 68
RH            82 87 82 84 87 74 63 63 82 87 90 97100 84 61 53 74 79 87100100 76
WIND DIR       S  N  N  N  N NE SE SE  E  E NE NE NE NE  E  E  E NE NE NE  N NE
WIND SPD       4  5  6  8  8  4  6  8  6  4  5  5  5  5  9  9  8  5  5  6  5  5
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR                      5           5           0          10          10
QPF 12HR                      0           0           0        0.03        0.01
RAIN SHWRS     S                                            S  S  S  S  S  S  S
HEAT INDEX                      88 90                   88 87
MAX HEAT         90                91    88                89    86


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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          86      69    85      69    86      68    85      67    85
TEMP          85 74   70 76 84 73   70 75 85 73   69 75 85 72   68 74 84 72
DEWPT         69 70   69 69 66 68   69 70 70 70   69 70 69 69   68 69 69 69
PWIND DIR        NE      NE    NE      NE    NE      NE    NE      NE     E
WIND CHAR        LT      LT    GN      GN    GN      LT    GN      LT    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    10      10    20      10    10      10    10
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-140830-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          83          73          83          74
TEMP          79 77 76 75 75 78 82 83 78 76 75 74 73 77 82 83 78 77 76 75 74 78
DEWPT         73 73 73 72 71 70 70 72 73 72 71 71 70 71 71 71 71 71 70 70 70 70
RH            82 87 90 90 87 76 67 70 85 87 87 90 90 82 69 67 79 82 82 84 87 76
WIND DIR       S SE  E SE SE  E  E NE  E  E  E  E  E  E  E NE NE  E  E  E  E  E
WIND SPD       5 10  8  5  8  6  8  5  4  6 11 12 11 11 11 13 14 14 14 14 14 12
CLOUDS        SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                      5          20          20          20          20
QPF 12HR                      0        0.07        0.05        0.06        0.01
RAIN SHWRS     C                 S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      86 88                   86 88
MAX HEAT         84                88    85                88    86


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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    82      74    83      73    83      72    82
TEMP          84 77   75 77 82 76   74 77 83 76   74 77 83 75   73 76 82 75
DEWPT         73 72   71 72 71 71   71 72 73 72   72 72 72 72   71 71 71 71
PWIND DIR        NE      NE     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    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         20      20    20      10    20      10    20      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-140830-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          84          70          84          71
TEMP          78 75 74 72 71 76 82 84 77 74 72 71 70 76 82 84 77 75 73 72 71 77
DEWPT         72 72 71 69 66 68 68 70 72 71 70 69 68 70 70 69 70 69 68 68 69 69
RH            82 90 90 90 84 76 63 63 85 90 93 93 93 82 67 61 79 82 84 87 93 76
WIND DIR       S  E  E  E  E  E  E SE SE  E  E  E  E  E  E NE NE  E  E  E  E NE
WIND SPD       6 11  5  5  6  5  4  2  2  3  5  6  6  5  5  5  6  8  9  9  9  8
CLOUDS        SC CL CL CL CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      0          30          10          10          10
QPF 12HR                      0        0.07        0.02        0.04        0.01
RAIN SHWRS     C                 C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      85 88                   86 88
MAX HEAT         85                88    86                88    85


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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      71    83      71    84      70    84      69    83
TEMP          85 75   72 76 83 74   72 76 84 74   71 76 84 73   70 75 83 73
DEWPT         72 71   70 71 70 69   70 71 72 72   71 71 71 71   70 70 69 71
PWIND DIR        NE      NE    NE      NE    NE       E    NE      NE    NE
WIND CHAR        GN      GN    BZ      BZ    GN      GN    GN      GN    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    20      10    20      10    20      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

VIZ001-140830-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          74          85          76
TEMP          80 78 77 76 75 79 84 85 80 77 76 75 74 78 84 85 81 79 78 77 76 80
DEWPT         72 72 71 72 72 73 72 71 72 72 72 72 72 72 71 71 72 73 72 73 73 73
RH            77 82 82 87 90 82 67 63 77 85 87 90 93 82 65 63 74 82 82 87 90 79
WIND DIR       S SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD       8  4  8 10 10 12 12 11 11 12 14 16 14 13 14 13 14 18 18 18 17 17
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     30          30          30          20          20
QPF 12HR                   0.04        0.06        0.09        0.06        0.01
RAIN SHWRS     S  C  C  C  C  C  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX                      90 90 84                89 90 85             84
MAX HEAT         87                91    88                90    89          84


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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      75    86      76    85      75    85      74    85
TEMP          87 78   76 79 86 79   77 80 85 78   76 79 85 77   75 78 85 78
DEWPT         73 73   72 72 72 73   74 73 73 73   73 73 72 73   72 72 71 72
PWIND DIR        NE      NE    NE      NE     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      WY    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC   B1 B1 SC SC
POP 12HR         20      20    20      20    30      30    30      30    30
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    C  C  C  C    C  C  C  S

$$

VIZ002-140830-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
329 PM AST Wed Dec 13 2017

DATE           12/13/17      THU 12/14/17            FRI 12/15/17            SAT
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          85          74
TEMP          79 76 74 73 72 77 84 85 79 76 75 74 73 78 84 85 80 77 76 75 74 79
DEWPT         72 72 72 71 71 72 71 71 71 72 73 72 72 71 71 73 72 73 71 73 73 73
RH            79 87 93 93 97 85 65 63 77 87 94 93 97 79 65 67 77 87 85 94 97 82
WIND DIR      SE  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E
WIND SPD       6  6  8  8  9 13 12 12 12 13 17 17 16 16 16 14 17 18 20 19 18 19
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     30          30          20          20          20
QPF 12HR                   0.04        0.05        0.05        0.06        0.01
RAIN SHWRS     S  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      89 90                   89 92 84
MAX HEAT         88                90    88                92    88


DATE           12/16  SUN 12/17/17  MON 12/18/17  TUE 12/19/17  WED 12/20/17
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          86      74    86      75    86      74    85      73    85
TEMP          86 77   75 79 86 78   76 79 86 77   75 78 85 76   74 78 85 76
DEWPT         73 73   72 72 72 74   73 73 74 74   73 73 73 73   73 72 72 72
PWIND DIR        NE      NE    NE       E     E       E     E       E     E
WIND CHAR        BZ      BZ    WY      WY    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    20      20    30      20    30      20    20
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    S  S  C  C    S  S  S  S

$$



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