Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 190804
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
404 AM AST FRI DEC 19 2014

PRZ001-192015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      83          71          84          73          84
TEMP          72 77 83 82 78 75 73 72 71 77 84 83 79 76 75 74 73 78 84 83 79 76
DEWPT         70 71 71 70 70 69 68 68 69 71 72 70 72 71 72 71 71 71 74 75 73 72
RH            93 82 67 67 76 82 84 87 93 82 67 65 79 85 90 90 93 79 72 77 82 87
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E  E  E
WIND SPD      14 12 13 11 10 10 11  8  8  8 11 12 11 13 11 11 12 13 16 13 12 10
CLOUDS        B2 FW FW FW FW FW FW FW FW FW FW FW FW B1 B1 B1 B1 B2 B2 B2 B2 B1
POP 12HR                     10           0          20          20          20
QPF 12HR                   0.02           0        0.01        0.06        0.06
RAIN SHWRS     S  S  S  S  S                          S  S  S  S  S  S  S  S  S
HEAT INDEX          88 86                   90 87                   91 90
MAX HEAT               88    85                90    86                92    89


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          73    82      72    84      74    84      73    83
TEMP          74 77 81 75   73 78 83 77   75 79 83 76   74 78 82 76
DEWPT         70 71 71 71   71 70 70 71   72 72 72 71   70 70 70 70
PWIND DIR         E     E       E     E       E     E      SE    SE
WIND CHAR        GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    B1 SC FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW
POP 12HR         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

$$

PRZ002-192015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      86          72          84          74          85
TEMP          73 79 86 85 80 76 74 73 72 78 84 83 80 77 76 75 74 79 85 84 80 77
DEWPT         71 72 70 69 71 71 70 69 68 70 72 71 73 72 72 71 73 73 73 73 72 73
RH            93 79 59 59 74 85 87 87 87 76 67 67 79 85 87 87 97 82 67 70 77 87
WIND DIR      NE  E  E  E NE NE NE  E  E  E  E  E  E NE NE NE NE NE  E  E  E  E
WIND SPD      18 17 14 12 13 14 16 14 14 13 13 12 14 16 16 16 17 18 17 14 13 14
CLOUDS        B2 SC SC SC SC FW FW FW FW FW FW FW FW B2 B2 B2 B2 B1 B1 B1 B1 B1
POP 12HR                     10          10          20          20          20
QPF 12HR                   0.02           0        0.02        0.06        0.06
RAIN SHWRS     S  S  S  S  S              S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          91 89 83                90 88 84                92 90 84
MAX HEAT               91    88                90    87                92    89


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          73    84      73    86      76    86      75    86
TEMP          74 78 83 76   74 79 85 79   77 81 85 78   76 80 85 78
DEWPT         71 71 71 72   72 70 71 72   72 72 72 72   70 70 70 70
PWIND DIR         E     E       E     E       E     E       E    SE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW
POP 12HR         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

$$

PRZ007-192015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      88          66          89          69          89
TEMP          67 77 87 86 79 73 70 67 66 77 88 88 80 75 72 70 69 79 88 87 80 74
DEWPT         67 68 71 71 70 65 64 63 62 67 70 73 70 67 67 66 65 68 72 74 73 68
RH           100 74 59 61 74 76 81 87 87 71 55 61 72 76 84 87 87 69 59 65 79 82
WIND DIR      NE NE  E  E  E NE NE NE NE NE  E  E NE NE NE NE NE NE NE  E  E NE
WIND SPD       9 11 11  9  9  9  9  9  8 11 13 12 10  9 10 10 12 13 16 12  8  9
CLOUDS        B2 SC SC SC SC CL CL CL CL CL CL CL CL FW FW FW FW SC SC SC SC FW
POP 12HR                     20           0           5          10          10
QPF 12HR                   0.02           0           0           0        0.02
RAIN SHWRS        S  S  S  S                                      S  S  S  S  S
HEAT INDEX          93 91                   93 96 83                95 95 84
MAX HEAT               94    89                96    92                98    93


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          67    86      69    86      70    89      70    90
TEMP          68 76 85 74   70 77 85 75   71 79 88 76   71 80 88 74
DEWPT         68 71 70 71   70 71 70 71   71 72 72 72   71 70 69 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW FW FW   FW FW FW SC   FW FW FW SC   FW FW FW FW
POP 12HR         10    10      10    20      10    20      10    10
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-192015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      83          71          83          72          83
TEMP          70 76 83 82 78 75 73 72 71 77 83 82 78 75 74 73 72 77 83 82 78 75
DEWPT         70 69 69 69 72 69 69 68 67 69 70 70 70 73 69 70 71 72 72 73 74 74
RH           100 79 63 65 82 82 87 87 87 76 65 67 76 94 84 90 97 85 70 74 88 97
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD      17 17 14 16 18 17 13 13 11 12 16 17 16 16 17 16 16 13 16 18 18 16
CLOUDS        OV FW FW FW FW CL CL CL CL FW FW FW FW FW FW FW FW B1 B1 B1 B1 SC
POP 12HR                     10           0           5          20          20
QPF 12HR                   0.02           0           0        0.01        0.06
RAIN SHWRS     S  S  S  S  S                                      S  S  S  S  S
HEAT INDEX          87 85                   87 86                   88 87
MAX HEAT               87    85                87    85                89    86


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          72    83      69    83      71    84      71    83
TEMP          73 77 82 73   70 76 82 75   72 77 83 75   72 77 82 75
DEWPT         70 71 71 71   70 71 70 72   72 72 72 72   72 71 69 71
PWIND DIR         E     E       E     E       E     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    LT      LT    LT
AVG CLOUDS    SC SC FW FW   FW FW FW FW   FW FW FW FW   FW FW FW FW
POP 12HR         20    20      20    20      10    20      10    10
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-192015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      87          70          88          71          88
TEMP          68 77 86 86 80 75 73 71 70 79 87 87 81 76 74 72 71 79 87 87 81 76
DEWPT         67 68 69 71 69 66 64 62 60 64 69 69 69 67 67 66 66 68 70 72 73 71
RH            97 74 57 61 69 74 73 73 71 60 55 55 67 74 79 81 84 69 57 61 77 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE  E
WIND SPD      11 12 11  8  9 11 11 11 11 11 13 12 12 10 10 11 11 13 17 17 12  9
CLOUDS        OV SC SC SC SC CL CL CL CL CL CL CL CL CL CL CL CL B1 B1 B1 B1 FW
POP 12HR                     10           0           5          10          10
QPF 12HR                   0.02           0           0        0.01        0.04
RAIN SHWRS        S  S  S  S                                      S  S  S  S  S
HEAT INDEX          90 91 83                91 91 84                92 94 86
MAX HEAT               93    89                92    89                94    92


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          71    89      69    90      71    91      70    90
TEMP          72 80 88 75   70 79 89 77   72 81 90 77   71 80 89 77
DEWPT         70 71 71 71   70 71 70 71   72 72 72 72   71 71 70 71
PWIND DIR         E     E       E     E       E     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      LT    LT
AVG CLOUDS    FW FW FW FW   FW FW FW SC   FW FW FW SC   FW FW FW FW
POP 12HR         10    10      10    20      10    20      10    20
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

VIZ001-192015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      85          75          86          74          86
TEMP          74 79 85 84 81 78 77 76 75 80 86 85 81 78 76 75 74 80 86 85 81 78
DEWPT         71 71 69 69 69 69 69 68 69 70 73 73 73 72 71 72 73 73 73 72 71 72
RH            90 77 59 61 67 74 76 76 82 72 65 67 77 82 85 90 97 79 65 65 72 82
WIND DIR      NE  E  E  E NE NE NE  E  E  E  E  E NE NE NE NE NE NE  E  E  E  E
WIND SPD      19 18 16 13 14 17 18 17 16 16 17 14 16 18 18 18 19 19 16 14 14 16
CLOUDS        B2 FW FW FW FW CL CL CL CL SC SC SC SC B2 B2 B2 B2 SC SC SC SC SC
POP 12HR                      5          10          20          20          20
QPF 12HR                      0           0        0.03        0.06        0.06
RAIN SHWRS     S                          S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          89 88 84             83 93 92 86             84 93 91 85
MAX HEAT               89    87          83    93    90          84    93    90


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          74    86      75    86      75    86      76    86
TEMP          75 80 85 78   76 80 85 78   76 80 85 79   77 81 85 79
DEWPT         71 72 72 72   72 71 72 72   72 72 71 71   71 71 70 70
PWIND DIR         E     E       E     E       E     E       E    SE
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    SC SC FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW
POP 12HR         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

$$

VIZ002-192015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
404 AM AST FRI DEC 19 2014

DATE             FRI 12/19/14            SAT 12/20/14            SUN 12/21/14
AST 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

MAX/MIN                      84          72          86          74          86
TEMP          73 78 84 83 79 76 74 73 72 79 86 85 81 78 76 75 74 80 86 85 81 78
DEWPT         72 71 71 71 71 70 70 68 68 70 71 72 72 75 73 73 73 72 72 73 73 73
RH            97 79 65 67 77 82 87 84 87 74 61 65 74 91 90 94 97 77 63 67 77 85
WIND DIR      NE NE  E  E NE NE NE NE  E  E  E  E  E NE NE NE  E  E  E  E  E  E
WIND SPD      18 18 16 14 16 17 18 18 18 17 17 14 14 17 16 17 14 13 14 14 14 16
CLOUDS        B2 SC SC SC SC CL CL CL CL FW FW FW FW B1 B1 B1 B1 FW FW FW FW FW
POP 12HR                     10           0          20          20          20
QPF 12HR                   0.02           0        0.01        0.04        0.03
RAIN SHWRS     S  S  S  S  S                          S  S  S  S  S  S  S  S  S
HEAT INDEX          89 88                   91 91 85             84 92 92 86
MAX HEAT               89    86                92    90          84    93    90


DATE          MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
AST 6HRLY     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6HRLY     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

MIN/MAX          74    85      73    85      75    86      75    85
TEMP          75 79 84 77   74 79 84 78   76 80 85 78   76 80 84 78
DEWPT         72 72 72 72   73 71 72 73   73 72 72 72   71 70 70 71
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    FW FW FW FW   SC SC SC FW   FW FW FW FW   FW FW FW FW
POP 12HR         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

$$







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