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
873
FOCA52 TJSJ 190840
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
440 AM AST Sun Nov 19 2017

PRZ001-192130-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          77          86          77          87
TEMP          77 81 84 85 81 79 78 78 77 81 85 86 82 80 78 78 77 82 86 87 82 80
DEWPT         74 74 75 74 72 72 72 72 73 74 75 76 76 73 74 74 73 75 73 72 72 73
RH            90 79 74 70 74 79 82 82 87 79 72 72 82 79 88 88 87 79 65 61 72 79
WIND DIR       S  S SE  S  E SE SE  S  S SW NE  E  E  E  E SE SE SE  E  E  E  E
WIND SPD       2  3  4  1  3  4  2  3  2  1  2  4  4  6  8  8  8  9 10 10  9  9
CLOUDS        B2 B1 B1 B1 B1 B2 B2 B2 B2 OV OV OV OV SC SC SC SC SC SC SC SC SC
POP 12HR                     40          60          60          20          30
QPF 12HR                   0.38        0.15        0.41        0.03        0.04
RAIN SHWRS     S  C  C  C  C  S  S  S  S  L  L  L  L  S  S  S  S  S  S  S  S  C
TSTMS                                     S  S  S  S
HEAT INDEX       86 92 93 85             86 94 96 89 84          89 93 94 87 84
MAX HEAT         86    94    90          86    96    94          89    94    92


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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          77    87      77    86      77    90      77    91
TEMP          78 82 87 80   78 81 86 80   78 83 90 81   78 84 91 81
DEWPT         74 73 75 74   71 71 73 72   72 74 74 73   73 73 73 73
PWIND DIR         E     E      SE     E       E     E      SE    SE
WIND CHAR        GN    GN      LT    LT      LT    GN      LT    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      40    40      40    40      30    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  S

$$

PRZ002-192130-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          76          86          76          86
TEMP          74 79 83 84 80 78 77 77 76 81 85 86 81 79 78 77 76 81 85 86 82 80
DEWPT         74 74 76 76 72 74 74 76 75 75 76 77 77 78 78 74 75 74 74 73 73 74
RH           100 85 80 77 77 88 90 97 97 82 75 75 88 97100 90 97 79 70 65 74 82
WIND DIR       S SE SE SE  E SE SE  S  S  S SE SE SE  E  E  E SE  E  E  E  E  E
WIND SPD       3  3  5  5  2  3  4  3  3  2  5  5  5  5  9 10  9 10 10  9  9  9
CLOUDS        B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                     50          60          60          40          30
QPF 12HR                   0.49        0.16        0.40        0.08        0.04
RAIN SHWRS     S  C  C  C  C  C  C  C  C  L  L  L  L  C  C  C  C  S  S  S  S  C
TSTMS             S  S  S  S              S  S  S  S  S  S  S  S
HEAT INDEX          91 93 84             87 94 97 88             86 93 93 87 84
MAX HEAT               93    90          87    97    96          86    94    92


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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          78    86      76    85      76    87      76    88
TEMP          79 82 86 79   77 80 85 79   77 81 87 79   77 82 88 80
DEWPT         73 73 75 73   71 72 73 72   73 74 75 74   73 74 74 73
PWIND DIR         E     E       E    NE       E     E      SE    SE
WIND CHAR        GN    GN      LT    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      40    40      40    40      30    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  S

$$

PRZ007-192130-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          73          88          71          89
TEMP          72 78 84 85 79 77 75 74 73 80 87 87 80 76 74 72 71 79 87 88 80 76
DEWPT         72 73 75 74 72 71 69 70 71 73 73 75 76 75 74 72 71 73 74 73 73 72
RH           100 85 74 70 79 82 82 87 93 79 63 68 88 97100100100 82 65 61 79 87
WIND DIR       E  E SE SE SE  E NE  N NE NE SE SE  E  E  E  E  E  E  E  E  E  E
WIND SPD       3  3  3  4  2  1  1  2  2  3  4  4  4  4  4  4  5  6  9  9  6  5
CLOUDS        B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 OV OV SC SC SC SC SC SC SC SC FW
POP 12HR                     60          30          60          30          10
QPF 12HR                   0.51        0.10        0.31        0.04        0.02
RAIN SHWRS     C  L  L  C  C  S  S  S  S  C  C  L  L  C  C  C  C  S  S  S  S  S
TSTMS          S  S  S  S  S                    S  S
HEAT INDEX          92 93                84 94 96 86                95 96 84
MAX HEAT               94    89          84    97    94                97    93


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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    88      73    88      73    88      73    89
TEMP          72 79 88 78   74 80 88 78   74 80 88 78   74 81 89 78
DEWPT         72 72 74 72   72 70 68 71   70 71 72 72   71 71 70 70
PWIND DIR        NE     E       E     E      NE     E       E    SE
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW FW FW   FW FW FW SC   FW FW FW SC   SC SC SC FW
POP 12HR         10    20      10    20      10    20      20    20
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-192130-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          78          82          77          84
TEMP          77 80 83 84 81 80 79 78 78 80 82 82 80 79 78 77 77 80 83 84 81 79
DEWPT         73 73 73 75 74 73 73 72 72 73 74 75 76 75 72 73 74 73 74 76 76 76
RH            87 79 72 74 79 79 82 82 82 79 77 79 88 88 82 87 90 79 74 77 85 91
WIND DIR       E SE SE  W  S SE SE  S  S SW  N  N NE  E  E SE SE SE  E NE NE  E
WIND SPD       4  4  3  2  1  2  5  5  3  0  3  6  8 10  9  5  3  3  4  5  9 12
CLOUDS        OV B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC FW
POP 12HR                     40          50          60          10          30
QPF 12HR                   0.36        0.13        0.38        0.01        0.04
RAIN SHWRS     C  C  C  C  C  S  S  S  S  C  C  L  L  S  S  S  S  S  S  C  C  S
TSTMS          S        S  S              S  S  S  S
HEAT INDEX       84 89 92 86 84          84 88 89 86             84 90 93 87
MAX HEAT         84    92    90    84    84    89    87          84    93    91
FLASH FLOOD    A  A  A


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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          77    84      78    85      78    86      78    87
TEMP          77 80 84 80   78 81 85 80   78 82 86 80   79 82 87 81
DEWPT         73 71 72 73   73 73 72 74   72 72 74 73   72 72 71 72
PWIND DIR         E    NE      SE    NE       E     E      SE     N
WIND CHAR        GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW FW FW   FW FW FW SC   FW FW FW FW   FW FW FW SC
POP 12HR         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

$$

PRZ010-192130-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          75          84          73          86
TEMP          74 79 83 84 80 78 76 76 75 79 83 84 79 76 75 74 73 79 85 86 80 77
DEWPT         73 73 73 74 73 73 72 72 72 72 74 75 76 75 73 74 73 73 73 74 76 76
RH            97 82 72 72 79 85 87 87 90 79 74 74 91 97 94100100 82 67 68 88 97
WIND DIR       E  E  E  S SE SE SE SE SE NE NE  N NE  E  E SE SE  E  E  E NE  E
WIND SPD       4  4  3  2  4  4  4  3  1  2  2  4  5  6  5  5  5  5  3  2  3  5
CLOUDS        OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 OV OV SC SC SC SC SC SC B1 B1 FW
POP 12HR                     60          40          60          10          40
QPF 12HR                   0.50        0.11        0.36        0.01        0.05
RAIN SHWRS     C  L  L  C  C  S  S  S  S  C  C  L  L  S  S  S  S  S  S  C  C  S
TSTMS          S  S  S  S  S              S  S  S  S
HEAT INDEX          89 91 84                90 92                   92 94 86
MAX HEAT               91    90                92    89                94    92


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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    86      75    85      75    88      75    89
TEMP          74 79 86 78   76 80 85 78   76 81 88 79   76 82 89 79
DEWPT         72 71 74 72   72 73 71 73   71 71 73 73   72 71 71 72
PWIND DIR         E    SE       E    NE       E    NE      SE    SE
WIND CHAR        LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC
POP 12HR         10    50      10    40      10    50      10    40
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$

VIZ001-192130-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          78          85          79          86
TEMP          78 81 84 85 82 80 79 78 78 81 84 85 82 81 80 79 79 82 85 86 82 80
DEWPT         74 74 73 75 75 75 76 75 75 76 76 77 76 77 75 75 74 73 73 73 74 74
RH            88 79 70 72 79 85 91 91 91 85 77 77 82 88 85 88 85 74 67 65 77 82
WIND DIR      SE  E SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E
WIND SPD       6  8  9 13 12 10 10  9  8  8  9  8  6  8 12 14 13 13 14 12 11 13
CLOUDS        B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC
POP 12HR                     60          50          50          30          30
QPF 12HR                   0.59        0.16        0.31        0.05        0.04
RAIN SHWRS     S  L  L  L  L  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  C
TSTMS             S  S  S  S              S  S  S  S
HEAT INDEX       86 90 94 89 85          87 93 96 89 88 85       87 92 93 88 84
MAX HEAT         86    94    92    85    87    96    94    87    87    93    92


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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          78    84      79    86      79    84      79    85
TEMP          79 81 84 81   79 82 86 81   79 81 84 81   79 82 85 81
DEWPT         74 74 75 72   72 71 71 73   74 74 74 74   73 74 74 73
PWIND DIR         E     E       E     E       E     E      SE    SE
WIND CHAR        GN    GN      LT    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      40    40      40    40      30    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  S

$$

VIZ002-192130-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
440 AM AST Sun Nov 19 2017

DATE             SUN 11/19/17            MON 11/20/17            TUE 11/21/17
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          78          86          80          88
TEMP          78 81 84 85 82 80 79 78 78 82 85 86 83 82 81 80 80 84 87 88 84 82
DEWPT         77 77 78 77 77 78 77 77 76 76 76 77 77 76 75 75 74 74 74 74 74 74
RH            97 88 82 77 85 94 94 97 94 82 75 75 82 82 82 85 82 72 65 63 72 77
WIND DIR      SE SE SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E
WIND SPD       9 10 10 11  8  6  8  9  6  9  9 10 10 11 12 14 16 16 14 13 13 14
CLOUDS        B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     60          50          40          20          30
QPF 12HR                   0.51        0.19        0.24        0.03        0.04
RAIN SHWRS     S  C  C  L  L  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
TSTMS             S  S  S  S  S  S  S  S  S  S
HEAT INDEX       88 95 96 90 87          89 94 97 92 89 87 85 84 91 95 97 91 88
MAX HEAT         88    97    94    87    89    97    96    89    91    97    95


DATE          WED 11/22/17  THU 11/23/17  FRI 11/24/17  SAT 11/25/17
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          79    86      79    86      79    85      79    86
TEMP          80 82 86 81   79 82 86 81   79 82 85 81   79 82 86 81
DEWPT         74 75 77 72   71 71 72 74   74 75 74 74   73 74 75 73
PWIND DIR         E     E       E     E       E     E       E    SE
WIND CHAR        BZ    GN      LT    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30    30      40    40      40    40      30    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    C  C  C  S

$$



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