Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 171925
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
325 PM AST WED DEC 17 2014

PRZ001-180830-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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          83          74          83          71
TEMP          79 77 76 75 74 78 83 82 79 77 76 75 74 78 83 82 78 75 73 72 71 77
DEWPT         72 71 71 70 68 67 67 66 67 67 66 67 68 67 69 71 71 71 70 69 68 68
RH            79 82 85 84 82 69 59 58 67 71 71 76 82 69 63 69 79 87 90 90 90 74
WIND DIR      NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E NE  E  E  E  E  E  E
WIND SPD       9  8  8  8  8  8  9  9  8  6  8  9  9  9 10 11 10  9  8  8  8  8
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                      5          10          10          20          20
QPF 12HR                   0.02           0        0.02        0.03        0.04
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 84                   87 86
MAX HEAT         87                86    84                87    85


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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      73    83      72    82      73    83      72    82
TEMP          82 76   74 78 82 75   73 77 81 76   74 78 82 75   73 77 81 76
DEWPT         69 70   69 69 68 69   70 71 70 69   70 71 72 72   71 70 70 71
PWIND DIR         E       E     E       E     E       E     E       E    SE
WIND CHAR        GN      GN    GN      GN    GN      LT    GN      GN    GN
AVG CLOUDS    FW FW   FW FW FW FW   SC SC FW FW   SC SC SC FW   FW FW FW 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

$$

PRZ002-180830-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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                      76          83          75          84          71
TEMP          80 78 77 76 76 79 83 82 80 78 76 75 75 79 84 83 78 75 73 72 71 77
DEWPT         73 73 71 69 69 68 67 65 66 70 68 70 69 68 69 69 69 71 70 69 69 69
RH            79 85 82 79 79 69 59 56 62 76 76 84 82 69 61 63 74 87 90 90 93 76
WIND DIR      NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E NE  E  E  E  E
WIND SPD      11 11 11 11 11 11 11 11 10 10 11 12 12 12 12 12 12 11 11 11 11 11
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     10          10          10          20          20
QPF 12HR                   0.03           0        0.02        0.03        0.04
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    84                86 84 82                88 87
MAX HEAT         87                86    84                88    85


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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      75    84      74    85      75    84      74    85
TEMP          83 78   76 79 83 77   75 79 84 78   76 79 83 77   75 79 84 78
DEWPT         70 70   69 69 69 70   71 72 71 70   71 71 72 72   71 71 71 71
PWIND DIR         E       E     E      NE     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW   FW FW FW FW   SC SC FW FW   SC SC SC FW   FW FW FW 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

$$

PRZ007-180830-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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                      66          86          63          88          66
TEMP          77 72 69 67 66 76 85 84 76 70 67 64 63 75 87 86 79 73 70 67 66 76
DEWPT         70 66 64 64 64 66 66 65 66 63 62 63 62 66 69 67 68 66 67 67 66 68
RH            79 81 84 90 93 71 53 53 71 78 84 97 97 74 55 53 69 79 90100100 76
WIND DIR      NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E  E NE NE NE NE  E
WIND SPD       6  8  8  8  8  8  6  6  6  8  8  8  9  9  9  9  9  9  9  9  9  9
CLOUDS        SC CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW
POP 12HR                      5           5           5           5          10
QPF 12HR                      0           0        0.02        0.02        0.01
RAIN SHWRS     S              S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      87 86                   91 89
MAX HEAT         88                88    84                92    87


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          88      68    87      67    89      68    88      67    89
TEMP          87 74   69 77 86 73   68 77 88 75   69 78 87 74   68 77 88 75
DEWPT         69 70   69 69 68 68   68 70 70 70   69 71 71 72   68 70 70 71
PWIND DIR         E       E     E      NE     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW   FW FW FW SC   FW FW FW SC   FW FW FW SC   FW FW FW 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

$$

PRZ008-180830-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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          82          70          82          69
TEMP          79 77 75 74 74 78 82 81 77 74 72 71 70 76 82 81 76 73 71 70 69 76
DEWPT         71 72 70 69 68 67 67 67 67 66 65 66 68 68 70 69 68 70 70 69 69 69
RH            77 85 84 84 82 69 61 63 71 76 79 84 93 76 67 67 76 90 97 97100 79
WIND DIR      NE NE NE NE NE NE NE NE NE  E  E  E  E  E  E NE NE  E  E  E  E  E
WIND SPD      13 13 12 12 13 13 13 12 12 11 10 10 11 12 12 12 13 13 13 12 11 11
CLOUDS        FW CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                      5          10          10          10          10
QPF 12HR                      0           0        0.02        0.02        0.02
RAIN SHWRS                    S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX                      85 83                   86 84
MAX HEAT         85                85    82                86    83


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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      71    84      71    82      70    82      71    82
TEMP          82 75   72 77 83 75   72 76 81 74   71 76 81 74   72 76 81 74
DEWPT         69 70   70 69 69 69   69 71 71 71   69 70 72 72   72 70 70 71
PWIND DIR        NE       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      LT    LT      GN    LT
AVG CLOUDS    FW FW   FW FW FW FW   SC SC FW FW   FW FW FW FW   FW FW FW FW
POP 12HR         20      10    10      20    20      20    20      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-180830-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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                      70          85          67          88          68
TEMP          80 75 73 71 70 77 84 84 77 73 70 68 67 77 87 87 79 74 71 69 68 78
DEWPT         70 68 67 65 65 67 67 67 66 64 61 62 63 64 69 69 67 66 67 69 68 69
RH            72 79 81 81 84 71 57 57 69 73 73 81 87 64 55 55 67 76 87100100 74
WIND DIR      NE NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E NE  E  E  E  E
WIND SPD      11 12 12 11 11 11 11  9 10 10  9  9  9 10 10 10 11 11 11 11 11 10
CLOUDS        FW CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW
POP 12HR                      5          10          10           5          10
QPF 12HR                      0           0        0.02        0.02        0.01
RAIN SHWRS                    S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    83                87 87                   91 91
MAX HEAT         89                88    85                93    88


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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          88      70    86      70    86      69    87      70    86
TEMP          87 76   71 78 85 75   71 78 85 74   70 78 86 75   71 78 85 74
DEWPT         69 70   70 69 69 69   69 70 70 71   69 70 71 72   71 71 71 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    GN      GN    GN      LT    LT      GN    GN
AVG CLOUDS    FW FW   FW FW FW SC   FW FW SC SC   FW FW FW SC   FW FW FW 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

$$

VIZ001-180830-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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                      76          85          76          85          73
TEMP          81 79 77 76 76 80 85 84 81 79 78 77 76 80 85 84 80 77 75 74 73 79
DEWPT         74 72 73 70 68 67 68 69 67 68 67 68 69 70 67 70 70 70 69 69 69 70
RH            79 79 87 82 76 65 57 61 63 69 69 74 79 72 55 63 72 79 82 84 87 74
WIND DIR      NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      16 16 16 14 14 14 13 13 13 14 17 18 18 17 16 14 14 16 16 16 17 17
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.05           0        0.02        0.02        0.02
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             82 88 88 83             83 88 88 83
MAX HEAT         89          82    89    87          83    89    87


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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    85      74    85      74    85      74    85
TEMP          85 78   75 79 84 77   75 79 84 77   75 79 84 77   75 79 84 77
DEWPT         70 71   69 70 69 71   72 72 71 71   72 72 72 72   71 72 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    FW FW   FW FW FW FW   SC SC FW FW   SC SC SC FW   FW FW FW 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

$$

VIZ002-180830-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
325 PM AST WED DEC 17 2014

DATE           12/17/14      THU 12/18/14            FRI 12/19/14            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          84          73          85          72
TEMP          79 77 76 75 74 79 84 83 79 76 75 74 73 79 85 84 79 76 74 73 72 78
DEWPT         73 74 73 71 71 71 69 70 70 70 69 69 69 69 69 70 71 70 70 70 71 71
RH            82 90 90 87 90 77 61 65 74 82 82 84 87 72 59 63 77 82 87 90 97 79
WIND DIR      NE NE NE NE NE NE NE NE NE NE NE NE NE  E  E  E  E  E  E  E  E  E
WIND SPD      16 17 17 17 17 17 16 14 14 16 17 18 18 18 17 16 17 18 18 17 18 18
CLOUDS        SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     20          20          10          20          20
QPF 12HR                   0.07        0.05        0.02        0.03        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                      88 87                   89 88
MAX HEAT         87                88    86                90    87


DATE           12/20  SUN 12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14
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      73    85      73    86      73    85      73    86
TEMP          84 77   74 79 84 77   74 79 85 77   74 79 84 77   74 79 85 77
DEWPT         71 71   70 69 70 72   72 71 71 72   72 72 72 73   71 71 71 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    GN      BZ    BZ      BZ    BZ
AVG CLOUDS    FW FW   FW FW FW FW   SC SC FW FW   SC SC SC FW   FW FW FW FW
POP 12HR         20      10    10      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

$$







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