Point Forecast Matrices
Issued by NWS San Juan, PR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
000
FOCA52 TJSJ 190840
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
440 AM AST Sat Aug 19 2017

PRZ001-192045-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      89          79          90          79          89
TEMP          80 85 88 89 86 82 81 80 80 86 89 90 87 83 81 80 80 85 88 89 86 83
DEWPT         78 78 77 77 77 78 79 79 79 78 77 77 77 77 78 78 78 77 77 77 77 78
RH            94 80 70 68 75 88 94 97 97 77 68 66 72 82 91 94 94 77 70 68 75 85
WIND DIR       E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      17 18 18 18 16 13 10 10  8 10 14 17 14 12 10 11 10 12 16 16 14 12
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B2 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                     40          40          50          30          30
QPF 12HR                   0.34        0.20        0.61        0.17        0.30
RAIN SHWRS     C  C  C  C  C  S  S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  C
TSTMS                   S  S                    S  S  S  S  S  S
HEAT INDEX    87 97100102 97 91 90 88 88 98102103 99 92 89 87 87 96100102 97 93
MAX HEAT         97   102   102    91    98   103   102    90    96   102   102


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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          80    89      79    90      79    92      79    89
TEMP          81 86 89 82   80 86 90 83   80 87 92 83   80 85 89 82
DEWPT         79 77 76 76   77 76 75 77   78 78 75 76   77 76 75 76
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      LT    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      30    40      30    30      20    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C

$$

PRZ002-192045-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      89          79          89          80          90
TEMP          81 86 88 89 86 82 81 80 80 85 88 89 86 83 82 81 81 86 89 90 87 83
DEWPT         78 77 78 78 78 78 78 78 78 78 78 78 78 77 77 78 77 77 78 78 78 78
RH            91 75 72 70 77 88 91 94 94 80 72 70 77 82 85 91 88 75 70 68 75 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      18 19 18 17 14 13 11 10 10 12 16 17 14 14 13 14 12 13 13 12 12 12
CLOUDS        B1 B1 B1 B1 B1 B2 B2 B2 B2 SC SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC
POP 12HR                     40          50          50          60          40
QPF 12HR                   0.34        0.24        0.37        0.24        0.30
RAIN SHWRS     C  C  C  C  C  S  S  S  S  S  S  C  C  L  L  L  L  S  S  S  S  C
TSTMS                   S  S                    S  S  S  S  S  S
HEAT INDEX    89 97102103 98 91 89 87 87 97102103 98 92 90 89 88 97103105100 93
MAX HEAT         97   103   103    91    97   103   103    90    97   105   105


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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          80    90      79    90      77    90      77    90
TEMP          81 86 90 83   80 86 90 81   78 85 90 81   78 85 90 81
DEWPT         78 77 75 76   77 75 75 77   78 78 76 77   77 75 75 76
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      LT    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    30      30    40      40    40      20    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C

$$

PRZ007-192045-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      91          74          90          76          91
TEMP          78 85 90 91 86 80 77 75 76 84 89 90 86 81 79 77 78 85 90 91 86 80
DEWPT         75 76 75 74 74 75 76 75 76 76 77 76 77 77 77 77 77 76 75 75 75 76
RH            91 75 62 58 68 85 97100100 77 68 64 75 88 94100 97 75 62 60 70 88
WIND DIR      NE  E  E  E  E  E  E NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E
WIND SPD      11 16 19 19 17 11  6  6  8 11 16 16 13  9  9 10  9 13 16 16 14  9
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
POP 12HR                     20          20          30          20          20
QPF 12HR                   0.16        0.05        0.15        0.07        0.25
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S  S  S  S  S  S  S
TSTMS                                           S  S
HEAT INDEX       94101101 94 85          93102102 97 88          94101102 95 86
MAX HEAT         94   102    99          93   103   100    87    94   102   101


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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          75    91      73    90      73    91      73    91
TEMP          76 85 91 79   74 84 90 79   74 84 91 79   74 84 91 79
DEWPT         76 76 73 72   74 73 72 76   74 77 76 73   74 75 72 73
PWIND DIR        NE     E      NE     E       E    SE       E     E
WIND CHAR        GN    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    FW FW SC SC   FW FW SC SC   SC SC SC SC   FW FW FW SC
POP 12HR         10    50      10    30      20    20      10    20
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  S  S    S  S  S  S
TSTMS                S  S

$$

PRZ008-192045-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      89          78          88          79          88
TEMP          80 85 88 89 86 82 80 79 79 84 87 88 85 82 81 80 80 85 87 88 85 82
DEWPT         77 77 77 77 77 78 78 78 78 78 76 78 79 79 78 77 77 77 76 78 79 78
RH            91 77 70 68 75 88 94 97 97 82 70 72 82 91 91 91 91 77 70 72 82 88
WIND DIR      NE  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E  E  E  W  E
WIND SPD      19 21 21 23 23 18 16 13 12 12 13 10 14 10 11 11 12 13 14 16 12 13
CLOUDS        SC SC SC B2 B2 SC SC SC SC SC SC B2 B2 SC SC SC SC SC SC B1 B1 SC
POP 12HR                     50          10          50          30          50
QPF 12HR                   0.34        0.07        0.78        0.14        0.47
RAIN SHWRS     S  S  S  C  C  S  S  S  S  S  S  C  C  C  C  C  C  S  S  C  C  S
TSTMS                   S  S                    S  S  S  S  S  S        S  S
HEAT INDEX    87 96100102 97 91 87       95 98102 98 92 89 87 87 96 98102 98 91
MAX HEAT         96   102   100    89    95   102   102    90    96   102   103


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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    88      79    87      79    88      79    88
TEMP          80 85 88 82   80 84 87 82   79 85 88 82   80 85 88 82
DEWPT         78 78 75 76   77 75 74 76   77 77 77 78   77 76 74 77
PWIND DIR         E     E       E    NE       E    NE       E    NE
WIND CHAR        GN    BZ      GN    GN      LT    LT      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   FW FW SC SC   FW FW FW SC
POP 12HR         20    20      20    30      10    50      10    20
RAIN SHWRS     S  S  S  S    S  S  C  C    S  S  C  C    S  S  S  S
TSTMS                                            S  S

$$

PRZ010-192045-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      92          75          88          77          88
TEMP          80 87 91 92 87 81 78 76 76 83 87 88 85 81 79 78 78 84 87 88 84 80
DEWPT         77 77 77 76 77 77 77 76 76 76 75 77 78 77 77 77 76 77 74 76 78 78
RH            91 72 64 60 72 88 97100100 80 68 70 80 88 94 97 94 80 65 68 82 94
WIND DIR      NE  E  E NE  E  E  E NE  E  E  W  N NE  E NE NE  E  E  E NW  N  E
WIND SPD      11 16 16 17 13  9  9  8  6  8  6 10  5  4  5  5  8  6  6  6  8  5
CLOUDS        SC SC SC B2 B2 FW FW FW FW FW FW B1 B1 SC SC SC SC SC SC B1 B1 FW
POP 12HR                     50           5          40          20          50
QPF 12HR                   0.34           0        0.50        0.07        0.43
RAIN SHWRS     S  S  S  C  C  S  S  S  S        C  C  S  S  S  S  S  S  C  C  S
TSTMS                   S  S                    S  S                    S  S
HEAT INDEX    87 99105105 99 88          91 96100 97 88          94 95 99 95 87
MAX HEAT         99   106   103    87    91   100   100    87    94    99    99


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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          76    88      76    86      76    87      76    88
TEMP          77 83 88 80   77 82 86 79   77 83 87 80   77 83 88 80
DEWPT         77 76 75 76   75 73 73 76   76 76 75 78   75 74 74 76
PWIND DIR         E    NE       E    NE       E    SE       E    NE
WIND CHAR        GN    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    30      10    50      10    50      10    40
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS                              S  S          S  S          S  S

$$

VIZ001-192045-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      91          81          88          81          90
TEMP          81 87 90 91 88 84 83 82 82 85 88 88 86 83 82 81 82 87 89 90 87 84
DEWPT         78 78 78 78 78 79 79 79 79 78 78 78 78 78 78 78 78 78 78 78 78 79
RH            91 75 68 66 72 85 88 91 91 80 72 72 77 85 88 91 88 75 70 68 75 85
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      21 21 20 18 17 14 13 12 14 17 18 18 17 17 18 17 17 14 16 16 16 16
CLOUDS        B1 B1 B1 SC SC B2 B2 B2 B2 SC SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC
POP 12HR                     40          50          50          60          40
QPF 12HR                   0.23        0.24        0.37        0.23        0.30
RAIN SHWRS     C  C  C  S  S  S  S  S  S  S  S  C  C  L  L  L  L  S  S  S  S  C
TSTMS                                           S  S  S  S  S  S
HEAT INDEX    89100105106102 96 94 92 92 97102102 98 93 91 89 91100103105100 96
MAX HEAT        100   106   106    96    97   102   102    93   100   105   105


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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          81    90      79    89      81    89      81    90
TEMP          82 87 90 83   80 85 89 84   81 86 89 84   81 87 90 84
DEWPT         79 77 76 77   77 76 77 78   78 77 77 78   77 76 77 77
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    GN      GN    GN      GN    GN      BZ    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    30      30    40      40    40      20    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C

$$

VIZ002-192045-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
440 AM AST Sat Aug 19 2017

DATE             SAT 08/19/17            SUN 08/20/17            MON 08/21/17
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                      91          80          90          80          90
TEMP          81 87 90 91 88 84 82 81 81 86 89 90 87 83 82 81 81 86 89 90 87 83
DEWPT         78 78 78 78 78 79 79 79 79 78 78 78 78 78 78 78 78 78 78 79 79 79
RH            91 75 68 66 72 85 91 94 94 77 70 68 75 85 88 91 91 77 70 70 77 88
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      20 20 19 17 14 13 11 13 13 16 17 17 16 16 17 18 16 18 17 16 16 14
CLOUDS        SC SC SC SC SC B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                     20          50          50          50          40
QPF 12HR                   0.16        0.29        0.49        0.21        0.30
RAIN SHWRS     S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  C
TSTMS                                     S  S  S  S  S  S  S  S
HEAT INDEX    89100105106102 96 92 90 90 98103105100 93 91 89 89 98103106101 94
MAX HEAT        100   106   105    94    98   105   105    93    98   106   105


DATE          TUE 08/22/17  WED 08/23/17  THU 08/24/17  FRI 08/25/17
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    90      78    90      78    89      78    90
TEMP          80 86 90 82   79 85 90 82   79 85 89 82   79 85 90 82
DEWPT         79 77 77 77   77 78 79 77   78 77 77 79   77 77 77 76
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    GN      GN    GN      BZ    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    30      30    40      40    40      20    30
RAIN SHWRS     C  C  C  C    C  C  C  C    C  C  C  C    S  S  S  C

$$



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