Point Forecast Matrices
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6
434
FOCA52 TJSJ 121856
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
256 PM AST Tue Dec 12 2017

PRZ001-130815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          76          86          75
TEMP          80 77 76 75 74 79 85 86 81 79 78 77 76 80 85 86 81 78 77 76 75 79
DEWPT         69 72 71 71 72 72 72 73 73 74 73 72 72 73 74 74 74 73 73 73 73 73
RH            69 85 85 87 93 79 65 65 77 85 85 85 87 79 70 68 79 85 87 90 94 82
WIND DIR       S SE  S  S  S  S  S  E SE  S  S  S  S SE  E  E  E SE SE SE SE SE
WIND SPD      10  5  4  4  5  4  4  5  5  3  5  5  5  4 10 11 11  8  8  9  9  9
CLOUDS        FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                      5          40          20          20          20
QPF 12HR                      0        0.09        0.05        0.09        0.01
RAIN SHWRS     S                    C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    83                91 93 86             84 93 94 86
MAX HEAT         88                93    90          84    94    91


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      75    85      76    83      75    85      75    84
TEMP          85 78   76 79 85 79   77 79 83 77   76 79 85 78   76 79 84 77
DEWPT         73 75   74 74 75 75   74 74 75 75   74 73 75 75   74 74 75 75
PWIND DIR         E       E    NE       E    NE       E     E       E     E
WIND CHAR        GN      GN    GN      GN    BZ      BZ    BZ      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC   B1 B1 B1 SC
POP 12HR         20      20    30      20    20      40    40      30    30
RAIN SHWRS     S  S    S  S  C  C    S  S  S  S    C  C  C  C    C  C  C  C

$$

PRZ002-130815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          71          85          74
TEMP          78 75 74 72 71 77 84 86 79 75 74 72 71 77 83 85 80 77 76 75 74 78
DEWPT         69 70 71 71 70 72 72 72 73 72 72 72 71 72 73 73 72 72 72 72 72 72
RH            74 84 90 97 97 85 67 63 82 90 93100100 85 72 67 77 85 87 90 93 82
WIND DIR       S SE SE  W  W SW  S  S  S  W  W NW  N  E  E  E  E  E  E  E  E  E
WIND SPD       9  6  4  4  5  4  9 10  8  4  3  3  4  9 11 10 10 10 11 12 12 12
CLOUDS        SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          20          20
QPF 12HR                   0.02        0.05        0.07        0.09        0.01
RAIN SHWRS     C  S  S  S  S        S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX                      90 92                   89 92 84
MAX HEAT         87                92    90                92    89


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      75    85      77    84      77    85      76    85
TEMP          85 78   76 79 85 79   78 80 84 79   77 80 85 79   77 80 85 77
DEWPT         72 74   73 74 74 74   73 73 73 74   73 74 74 74   74 74 73 74
PWIND DIR         E       E    NE      NE    NE      NE     E       E     E
WIND CHAR        GN      GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 SC   B1 B1 B1 SC
POP 12HR         20      20    30      10    20      40    40      30    30
RAIN SHWRS     S  S    S  S  C  C    S  S  S  S    C  C  C  C    C  C  C  C

$$

PRZ007-130815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          69          86          68
TEMP          77 75 73 71 71 77 85 87 78 74 72 70 69 75 84 85 77 73 71 69 68 75
DEWPT         71 68 69 68 68 70 72 72 71 71 72 70 69 70 71 71 72 71 70 68 68 70
RH            82 79 87 90 90 79 65 61 79 90100100100 84 65 63 85 93 97 97100 84
WIND DIR      SE  N  N  N  N NE  S  S  S NW  N  N  N NE SE SE SE NE NE NE NE NE
WIND SPD       6  4  8  8  6  4  5  8  5  4  6  8  9  6 10 13 11  9  9 10 10 11
CLOUDS        FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR                     10           5           5           5          10
QPF 12HR                   0.01        0.02           0           0        0.01
RAIN SHWRS        S  S  S  S        S  S                          S  S  S  S  S
HEAT INDEX                      91 94                   89 90
MAX HEAT         87                94    90                91    88


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      68    85      69    85      68    86      68    85
TEMP          86 73   69 75 85 74   70 75 84 73   69 75 85 73   69 75 84 72
DEWPT         72 71   69 70 73 71   70 71 71 71   69 71 73 72   69 71 73 72
PWIND DIR         E      NE    NE      NE    NE      NE     E      NE     E
WIND CHAR        GN      LT    LT      LT    GN      GN    GN      LT    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   FW FW FW SC
POP 12HR         10      10    20      10    10      10    20       5    10
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S          S  S

$$

PRZ008-130815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          83          74          83          73
TEMP          77 75 74 72 72 76 82 83 78 76 75 74 74 77 82 83 78 76 75 73 73 77
DEWPT         73 72 71 70 70 70 71 73 74 72 73 72 71 71 73 74 73 73 72 71 71 71
RH            87 90 90 93 93 82 69 72 88 87 94 93 90 82 74 74 85 90 90 93 93 82
WIND DIR       N  E SE SE SE SE SW SW  S SE  E SE SE  E  E  E  E SE  E  E  E  E
WIND SPD       5  3  4  6  8  5  6 10  9  8 10  6  6  6 11 12  8  9 12 12 12 12
CLOUDS        SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR                      5          30           5          20          10
QPF 12HR                      0        0.07           0        0.05        0.01
RAIN SHWRS     S                    C  C                 S  S  S  S  S  S  S  S
HEAT INDEX                      86 89                   87 90
MAX HEAT         86                89    86                90    86


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      73    82      74    84      73    83      73    82
TEMP          83 76   74 77 82 76   74 78 84 76   74 77 83 76   74 77 82 75
DEWPT         73 73   73 72 75 73   73 72 74 73   73 72 74 74   73 73 74 74
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      BZ    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         10      20    20      20    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

$$

PRZ010-130815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          70
TEMP          77 74 73 72 71 76 83 84 77 74 73 71 70 76 82 84 77 74 72 71 70 75
DEWPT         73 71 70 69 69 70 73 74 74 72 73 71 70 71 72 73 73 72 70 69 69 70
RH            87 90 90 90 93 82 72 72 90 93100100100 85 72 70 87 93 93 93 97 84
WIND DIR      SE NE NE  E  E SE  S SW SW  E  E  E  E  E  W  W  N NE NE  E NE NE
WIND SPD       9  6  5  6  8  6  9 11  8  5  8  5  6  5  4  5  5  3  8  8  8  6
CLOUDS        FW FW FW FW FW FW FW SC SC FW FW FW FW FW SC SC SC SC SC SC SC SC
POP 12HR                      5          20           5          30          10
QPF 12HR                      0        0.05           0        0.10        0.01
RAIN SHWRS     S                    S  S                 C  C  C  S  S  S  S  S
HEAT INDEX                      89 91                   87 90
MAX HEAT         87                91    88                90    87


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      70    83      71    85      70    84      70    83
TEMP          84 74   71 75 83 74   72 76 85 75   71 76 84 74   71 75 83 73
DEWPT         73 72   71 71 74 72   71 71 74 72   71 71 74 73   71 72 74 73
PWIND DIR        NE       E    NE      NE    NE      NE     E       E     E
WIND CHAR        LT      LT    GN      GN    BZ      BZ    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   FW FW SC SC
POP 12HR         20      10    20      10    20      10    20       5    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S          S  S

$$

VIZ001-130815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          75          85          75
TEMP          81 79 78 77 76 80 84 85 80 78 77 76 75 79 84 85 80 78 77 76 75 79
DEWPT         69 71 73 73 72 72 70 71 71 72 72 74 73 73 72 71 72 73 74 74 74 73
RH            67 77 85 87 87 77 63 63 74 82 85 94 94 82 67 63 77 85 90 94 97 82
WIND DIR      SE SE  S  S  S  S  S  S  S  S  E  E  E  E SE SE  E  E  E  E  E  E
WIND SPD       9 10  8  9  8  8  8  5  6  3  3  5  9 11 11 11 10 12 16 16 16 16
CLOUDS        SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          20          20
QPF 12HR                   0.02        0.06        0.07        0.09        0.01
RAIN SHWRS     C  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX    84             84 88 90 83                90 90 84
MAX HEAT         88          84    90    88                91    88


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      76    85      75    86      75    85      75    85
TEMP          86 79   77 80 85 78   76 79 86 78   76 79 85 78   76 79 85 78
DEWPT         74 75   74 74 76 74   74 74 74 75   74 75 75 75   75 75 74 75
PWIND DIR         E       E    NE      NE    NE       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 SC SC   B1 B1 B1 SC
POP 12HR         20      20    20      20    20      30    30      30    30
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    C  C  C  S    C  C  C  C

$$

VIZ002-130815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
256 PM AST Tue Dec 12 2017

DATE           12/12/17      WED 12/13/17            THU 12/14/17            FRI
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          84          72          86          73
TEMP          78 75 74 73 72 77 83 84 78 75 74 73 72 78 84 86 80 77 75 74 73 78
DEWPT         72 72 72 72 71 71 72 72 71 72 73 73 72 73 73 72 73 73 73 73 73 73
RH            82 90 93 97 97 82 70 67 79 90 97100100 85 70 63 79 87 94 97100 85
WIND DIR      SE  S  S  S SE SE  S  S  S  E NE  E  E  E  E  E  E NE  E  E  E  E
WIND SPD       8  8  6  5  5  8  6  9  4  4  5  8 10 11 12 12 11 12 13 14 14 14
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          20          20
QPF 12HR                   0.03        0.06        0.07        0.09        0.01
RAIN SHWRS     C  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX                      88 90                   90 92 84
MAX HEAT         86                90    87                92    90


DATE           12/15  SAT 12/16/17  SUN 12/17/17  MON 12/18/17  TUE 12/19/17
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      72    86      71    85      76    86      75    86
TEMP          85 76   73 78 86 75   72 77 85 79   77 80 86 78   76 79 86 77
DEWPT         75 74   73 74 75 73   72 73 75 74   74 74 75 74   74 75 75 74
PWIND DIR         E       E     E      NE    NE       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   B1 B1 SC SC   SC SC SC SC
POP 12HR         20      20    20      10    10      30    30      20    30
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    C  C  C  S    S  S  C  C

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.