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
000
FOCA52 TJSJ 170737
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
337 AM AST Tue Oct 17 2017

PRZ001-172015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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                      88          80          86          82          89
TEMP          81 83 86 88 85 82 81 81 80 82 82 86 83 82 83 83 84 85 87 89 86 83
DEWPT         76 77 77 77 77 77 77 76 76 75 75 75 75 75 74 74 74 75 75 75 75 74
RH            85 82 75 70 77 85 88 85 88 79 79 70 77 79 74 74 72 72 68 64 70 74
WIND DIR       E  E  E  E  E  E SE SE SE  E SE SE SE  E  E SE  E  E  E  E  E  E
WIND SPD      11 12 14 13 12 10 10 10 10 11 13 12 11 14 14 14 14 16 16 16 14 14
CLOUDS        B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     50          40          30          20          20
QPF 12HR                   0.78        0.26        0.22        0.02        0.04
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S
TSTMS          S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    87 92 97100 96 90 88 87 86 89 89 95 90 89 90 90 91 94 96 99 95 90
MAX HEAT         92   100    99    90    89    95    94    90    94    99    98
FLASH FLOOD    A  A  A  A  A  A  A  A  A  A  A  A  A


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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          83    87      82    86      81    87      81    87
TEMP          83 84 87 82   82 83 86 82   81 83 87 82   81 83 87 82
DEWPT         74 74 74 73   72 71 70 71   70 71 72 73   72 73 73 72
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    GN      GN    GN      GN    BZ      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC 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
TSTMS                   S             S             S             S

$$

PRZ002-172015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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          80          83          82          87
TEMP          82 83 84 85 83 82 81 81 80 82 81 83 83 82 83 83 84 84 86 87 85 83
DEWPT         77 78 78 78 77 77 77 77 75 75 76 76 77 76 75 75 75 75 75 75 75 74
RH            85 85 82 80 82 85 88 88 85 79 85 80 82 82 77 77 74 74 70 68 72 74
WIND DIR       E  E  E  E  E  E SE SE SE  E SE SE  E  E  E  E  E  E  E  E  E  E
WIND SPD      13 14 14 13 11 11 11 11 13 13 14 12 12 14 16 16 14 16 18 16 14 16
CLOUDS        B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     50          50          30          20          20
QPF 12HR                   0.82        0.33        0.19        0.02        0.04
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S
TSTMS          S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    90 93 95 97 92 90 88 88 85 89 87 91 92 89 90 90 92 92 95 96 94 90
MAX HEAT         93    97    95    90    89    91    92    90    92    96    95
FLASH FLOOD    A  A  A  A  A  A  A  A  A  A  A  A  A


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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          83    86      81    85      81    86      81    86
TEMP          83 84 86 82   81 83 85 82   81 83 86 82   81 83 86 82
DEWPT         74 74 74 73   72 72 71 71   71 72 72 73   73 74 75 72
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    GN      GN    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         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
TSTMS                   S             S             S             S

$$

PRZ007-172015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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                      87          78          86          80          89
TEMP          79 82 86 87 85 80 78 79 79 81 83 86 84 80 80 80 82 83 86 89 85 80
DEWPT         75 76 75 77 76 76 75 75 74 75 75 73 74 73 73 73 73 73 72 71 71 72
RH            88 82 70 72 75 88 91 88 85 82 77 65 72 79 79 79 74 72 63 56 63 77
WIND DIR       E  E  E SE  E  E  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD       8 11 13 13 10  6  6  8  5 10 12 11  8  9 10  9  9 12 16 14 12 10
CLOUDS        SC SC SC SC SC SC SC SC SC OV OV SC SC SC SC SC SC FW FW SC SC SC
POP 12HR                     40          20          20          20          10
QPF 12HR                   0.37        0.03        0.05        0.01           0
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     S  S  S  C  C  S  S  S  S        S  S  S  S  S  S        S  S  S
TSTMS             S  S  C  C  S  S  S  S        S  S  S  S  S  S
HEAT INDEX       89 95 99 94 86          87 90 93 91 84 84 84 87 89 92 95 90 84
MAX HEAT         89    99    97          87    93    93    84    89    95    94
FLASH FLOOD    A  A  A  A  A  A  A  A  A  A  A  A  A


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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    89      77    89      77    89      77    89
TEMP          79 83 89 78   77 82 89 78   77 82 89 78   77 82 89 78
DEWPT         72 72 70 71   70 70 65 68   68 69 69 70   70 71 70 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         10    10      10    20      10    10      10    10
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S
TSTMS                                 S

$$

PRZ008-172015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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          80          86          82          89
TEMP          80 82 84 84 85 83 81 80 80 82 85 86 85 83 83 82 83 83 86 89 86 83
DEWPT         76 76 77 78 78 77 77 76 75 76 75 76 76 75 74 74 74 74 75 75 75 74
RH            88 82 80 82 80 82 88 88 85 82 72 72 75 77 74 77 74 74 70 64 70 74
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      10 11 11 11 11 12  9  8  9 10  9  9  8 11 10  9 10 11 10 11 11 12
CLOUDS        SC SC SC SC SC FW FW FW FW OV OV B1 B1 SC SC SC SC FW FW B1 B1 SC
POP 12HR                     50           5          40          20          30
QPF 12HR                   0.60           0        0.28        0.01        0.10
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     S  S  S  C  C                    C  C  S  S  S  S        C  C  S
TSTMS                   C  C                    C  C  S  S  S  S        S  S
HEAT INDEX    86 89 94 95 97 92 88 86 85 89 94 96 94 90 90 88 90 90 95 99 95 90
MAX HEAT         89    95    97    90    89    96    96    90    90    99    98
FLASH FLOOD    A  A  A  A  A  A  A  A  A  A  A  A  A


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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          82    88      81    86      81    87      81    87
TEMP          82 83 88 83   81 82 86 83   81 82 87 83   81 82 87 83
DEWPT         73 73 74 73   72 72 72 70   70 70 73 72   72 72 74 73
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC B1   SC SC SC B1   SC SC SC SC
POP 12HR         10    20      10    30      10    30      10    20
RAIN SHWRS     S  S  S  S    S  S  S  C    S  S  S  C    S  S  S  S
TSTMS                   S             S             S             S

$$

PRZ010-172015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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                      88          78          87          80          90
TEMP          78 82 88 88 86 82 80 79 78 82 86 87 84 81 81 80 81 82 86 90 86 81
DEWPT         74 74 75 76 76 76 76 74 74 75 74 74 75 74 73 73 73 73 72 72 73 73
RH            88 77 66 68 72 82 88 85 88 79 68 65 74 79 77 79 77 74 63 56 65 77
WIND DIR       E  E SE SE SE  E  E  E  E  E SE SE  E  E  E  E  E  E SE SE SE  E
WIND SPD       6  5  9  8  5  4  4  5  6  8 10 10  8 10  9  8  9  9 10 12 10  9
CLOUDS        FW SC SC SC SC SC SC SC SC OV OV B1 B1 SC SC SC SC FW FW SC SC SC
POP 12HR                     50           5          40          20          20
QPF 12HR                   0.53           0        0.23        0.01        0.06
SNOW 12HR                    MM          MM          MM
RAIN SHWRS        S  S  C  C  S  S  S  S        C  C  S  S  S  S        S  S  S
TSTMS                   C  C                    C  C  S  S  S  S        S  S
HEAT INDEX       88 98 99 96 89 86       89 94 95 92 86 86 84 86 87 92 97 93 86
MAX HEAT         88    99    98    87    89    95    94    86    87    97    96
FLASH FLOOD    A  A  A  A  A  A  A  A  A  A  A  A  A


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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      78    89      78    89      78    89
TEMP          80 83 90 81   78 81 89 81   78 81 89 81   78 81 89 81
DEWPT         72 72 71 72   71 71 69 68   69 69 70 72   71 72 72 71
PWIND DIR         E    SE       E     E       E     E       E     E
WIND CHAR        GN    GN      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC SC SC   SC SC SC B1   SC SC SC B1   SC SC SC SC
POP 12HR         10    20      10    30      10    30      10    20
RAIN SHWRS     S  S  S  S    S  S  S  C    S  S  S  C    S  S  S  S
TSTMS                   S             S             S             S

$$

VIZ001-172015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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          82          84          84          85
TEMP          82 83 84 84 83 82 82 82 82 82 83 83 84 84 85 85 85 85 85 85 85 85
DEWPT         78 78 78 78 78 77 77 76 76 76 76 76 76 76 76 75 74 74 74 74 74 74
RH            88 85 82 82 85 85 85 82 82 82 80 80 77 77 75 72 70 70 70 70 70 70
WIND DIR       E  E  E  E  E  E  E  E  E SE SE  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      17 18 18 17 16 17 17 19 18 21 18 18 18 20 23 21 21 23 23 20 20 21
CLOUDS        B1 SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     30          50          30          20          20
QPF 12HR                   0.18        0.31        0.13        0.02        0.04
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  S  S  C  C  C  C  C  C  S  S  C  C  S  S  S  S  S  S  S  S  S
TSTMS          S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    91 93 95 95 93 90 90 89 89 89 91 91 93 93 94 94 93 93 93 93 93 93
MAX HEAT         93    95    95    90    89    91    93    94    94    93    93


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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          84    85      84    84      83    84      83    84
TEMP          85 84 85 84   84 84 84 84   83 84 84 84   83 84 84 84
DEWPT         74 74 74 73   72 71 72 72   71 71 72 73   73 74 74 72
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    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
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
TSTMS                   S             S             S             S

$$

VIZ002-172015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
337 AM AST Tue Oct 17 2017

DATE             TUE 10/17/17            WED 10/18/17            THU 10/19/17
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          83          85          85          86
TEMP          83 84 85 84 84 84 83 83 83 83 84 83 84 85 86 86 86 86 86 86 86 86
DEWPT         78 78 78 78 77 77 77 77 76 76 76 77 77 77 77 76 75 75 76 76 76 75
RH            85 82 80 82 80 80 82 82 80 80 77 82 80 77 75 72 70 70 72 72 72 70
WIND DIR       E  E  E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      16 18 17 17 16 16 18 18 18 19 18 17 19 21 24 24 23 24 24 21 21 23
CLOUDS        B1 SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     30          50          30          20          20
QPF 12HR                   0.18        0.31        0.13        0.02        0.04
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  S  S  C  C  C  C  C  C  S  S  C  C  S  S  S  S  S  S  S  S  S
TSTMS          S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    93 95 97 95 94 94 92 92 91 91 93 92 94 96 97 96 95 95 96 96 96 95
MAX HEAT         95    97    95    94    92    93    96    97    96    96    96


DATE          FRI 10/20/17  SAT 10/21/17  SUN 10/22/17  MON 10/23/17
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          85    86      85    85      84    85      84    85
TEMP          86 85 86 85   85 85 85 85   84 85 85 85   84 85 85 85
DEWPT         75 75 75 75   73 72 73 73   73 73 74 75   75 75 75 73
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        WY    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
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
TSTMS                                 S             S

$$



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