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 182010
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
410 PM AST Wed Oct 18 2017

PRZ001-190815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      80          86          80          87          80
TEMP          86 82 80 80 80 82 85 86 84 82 80 80 81 83 86 87 84 81 80 81 81 81
DEWPT         75 75 74 74 73 74 74 74 74 73 73 73 73 72 73 73 73 72 72 72 71 71
RH            70 79 82 82 79 77 70 68 72 74 79 79 77 70 65 63 70 74 77 74 72 72
WIND DIR       E  E  E SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      14 14 16 14 14 16 17 16 16 13 13 13 14 14 13 13 12 11 12 11 10 12
CLOUDS        B1 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          20          20          20
QPF 12HR                   0.11        0.20        0.03        0.15        0.02
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  S  S  S  S  S  S  S  S              S  S  S  S  S  S  S  S
TSTMS                               S  S
HEAT INDEX    95 89 84 84 84 88 93 94 91 87 84 84 86 88 93 94 90 85 84 85 85 85
MAX HEAT         96    87    88    94    94    86    88    94    93    85    85
FLASH FLOOD    A


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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      79    84      79    84      79    85      79    85
TEMP          84 80   79 81 84 80   79 81 84 80   79 81 85 82   79 81 85 80
DEWPT         71 71   71 71 72 73   72 73 73 73   72 72 73 73   72 72 73 73
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      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  S

$$

PRZ002-190815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      80          86          80          86          79
TEMP          85 82 80 80 81 83 85 86 84 82 81 80 80 82 84 86 84 80 79 79 79 80
DEWPT         76 75 74 74 73 74 74 74 74 74 74 73 73 73 73 73 73 72 72 72 71 72
RH            75 79 82 82 77 74 70 68 72 77 79 79 79 74 70 65 70 77 79 79 77 77
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      14 14 16 16 14 16 17 16 14 14 14 13 14 14 14 12 11 12 12 12 11 12
CLOUDS        B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          10          20          20
QPF 12HR                   0.17        0.21        0.03        0.14        0.02
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C  S  S  S  S              S  S  S  S  S  S  S  S
TSTMS             S  S  S  S        S  S
HEAT INDEX    94 89 84 84 86 90 93 94 91 88 86 84 84 87 90 93 90 84          84
MAX HEAT         96    89    90    94    94    86    87    93    93    84    84
FLASH FLOOD    A


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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      79    83      79    83      78    84      79    83
TEMP          84 80   79 81 83 80   79 81 83 79   78 81 84 81   79 80 83 80
DEWPT         71 72   71 72 72 73   73 74 74 73   72 73 73 73   73 73 74 73
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    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 SC SC
POP 12HR         20      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  S

$$

PRZ007-190815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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          89          76          89          75
TEMP          84 78 76 77 78 82 87 89 84 78 76 77 78 81 87 89 84 77 75 76 78 81
DEWPT         73 73 72 72 71 72 72 71 72 72 71 71 71 71 70 70 71 70 70 70 69 70
RH            70 85 87 85 79 72 61 56 67 82 85 82 79 72 57 54 65 79 84 82 74 69
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E SE  E  E NE NE NE  E
WIND SPD      11 10 10 10  9 12 16 14 12  9  9  9  9 11 12 12 10  6  5  5  5  9
CLOUDS        B2 B1 B1 B1 B1 FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          10          20          10
QPF 12HR                   0.17        0.17        0.03        0.11        0.01
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C        S  S              S  S  S  S
TSTMS          S  S  S  S  S        S  S
HEAT INDEX    90             87 94 95 90             85 92 94 89             85
MAX HEAT         93          87    95    94          85    94    93          85
FLASH FLOOD    A


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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          87      75    87      75    88      75    87      77    87
TEMP          87 77   76 81 87 77   76 81 88 77   76 81 87 78   78 83 87 79
DEWPT         65 68   68 69 68 70   70 70 69 71   71 71 71 71   71 71 71 71
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      LT    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 SC SC
POP 12HR         20      10    20      10    10      10    10      10    10
RAIN SHWRS        S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-190815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      79          87          79          87          79
TEMP          85 81 80 80 79 80 84 87 85 81 80 79 79 80 84 87 85 81 80 79 79 80
DEWPT         77 75 74 73 73 73 74 75 75 73 72 72 71 72 72 73 74 73 72 71 70 71
RH            77 82 82 79 82 79 72 68 72 77 77 79 77 77 67 63 70 77 77 77 74 74
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E  E
WIND SPD       8 10 10 10 11 11 11 12 13 13 11 10 10 11 10 11 14 17 14 14 13 12
CLOUDS        B1 SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
POP 12HR                     30          20          10          20          10
QPF 12HR                   0.16        0.22        0.02        0.11        0.01
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C        S  S              S  S  S  S
TSTMS             S  S  S  S        S  S
HEAT INDEX    96 87 84 84    84 91 96 94 86 84       84 90 94 93 86 84       83
MAX HEAT         97    87    84    96    96    84    84    94    94    86    83
FLASH FLOOD    A


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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      78    84      79    84      78    86      79    86
TEMP          85 81   78 80 84 81   79 80 84 79   78 80 86 82   79 80 86 81
DEWPT         72 70   70 70 72 72   72 72 73 73   72 72 72 72   72 72 73 73
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        GN      GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30      10    30      10    20      10    20      10    20
RAIN SHWRS        C    S  S  S  C    S  S  S  S    S  S  S  S    S  S  S  S
TSTMS             S             S

$$

PRZ010-190815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      75          91          77          90          76
TEMP          86 79 76 75 75 78 87 91 86 79 77 78 78 80 86 90 86 79 76 76 76 79
DEWPT         75 74 73 73 72 72 73 73 73 72 72 71 71 71 71 71 72 72 71 70 70 70
RH            70 85 90 94 90 82 63 56 65 79 85 79 79 74 61 54 63 79 85 82 82 74
WIND DIR      SE  E  E  E  E  E  E SE SE  E  E  E  E  E  E SE  E  E  E  E  E  E
WIND SPD       8  8  8  8  8  9  9  9  9  9  8  8  8  8  6  4  5  9  8  8  6  6
CLOUDS        B1 B1 B1 B1 B1 FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          10          20          10
QPF 12HR                   0.16        0.20        0.02        0.11        0.01
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  C  C  C  C        S  S              S  S  S  S
TSTMS             S  S  S  S        S  S
HEAT INDEX    95                94100 93             83 91 96 92
MAX HEAT         98               100    98          83    96    95
FLASH FLOOD    A


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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          88      75    87      76    88      76    87      77    87
TEMP          88 78   75 80 87 80   76 79 88 78   76 79 87 80   77 80 87 79
DEWPT         69 69   69 69 71 71   70 71 69 72   71 71 71 71   71 71 73 72
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         30      10    30      10    20      10    20      10    20
RAIN SHWRS        C    S  S  S  C    S  S  S  S    S  S  S  S    S  S  S  S
TSTMS             S             S

$$

VIZ001-190815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      81          83          81          83          82
TEMP          86 86 84 82 81 81 82 83 83 82 81 81 82 83 83 82 82 82 82 82 82 82
DEWPT         75 74 74 74 73 73 74 73 74 74 74 73 73 72 73 72 73 72 72 72 71 72
RH            70 68 72 77 77 77 77 72 74 77 79 77 74 70 72 72 74 72 72 72 69 72
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 21 23 21 21 23 23 21 20 20 20 20 20 20 18 16 17 17 17 18 18 18
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          20          20          20
QPF 12HR                   0.11        0.21        0.03        0.15        0.02
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  S  S  S  S  S  S  S  S              S  S  S  S  S  S  S  S
TSTMS                               S  S
HEAT INDEX    95 94 91 88 86 86 88 89 90 88 86 86 87 88 89 87 87 87 87 87 86 87
MAX HEAT         95    93    86    90    90    88    88    89    87    87    87


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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          82      81    82      81    82      81    83      81    83
TEMP          82 82   81 81 82 82   81 81 82 82   81 83 83 83   81 83 83 83
DEWPT         72 72   71 72 72 73   73 73 73 74   73 73 73 73   73 73 73 73
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    GN      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         20      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  S

$$

VIZ002-190815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
410 PM AST Wed Oct 18 2017

DATE           10/18/17      THU 10/19/17            FRI 10/20/17            SAT
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                      82          84          82          85          83
TEMP          87 87 84 82 82 83 83 83 84 84 83 82 83 85 85 85 85 85 85 85 84 83
DEWPT         76 75 75 75 75 75 75 75 75 75 75 74 74 74 74 74 74 74 73 72 73 72
RH            70 68 74 79 79 77 77 77 74 74 77 77 74 70 70 70 70 70 67 65 70 70
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 23 24 23 23 24 24 23 21 21 21 20 20 21 19 17 17 18 19 19 19 19
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          20          10          20
QPF 12HR                   0.11        0.21        0.04        0.09        0.01
SNOW 12HR                    MM          MM          MM
RAIN SHWRS     C  S  S  S  S  S  S  S  S  S  S  S  S  S  S                    S
TSTMS                               S  S
HEAT INDEX    98 96 92 89 89 90 90 90 92 92 90 88 90 93 93 93 93 93 92 91 90 88
MAX HEAT         98    95    90    90    92    90    93    93    93    93    90


DATE           10/21  SUN 10/22/17  MON 10/23/17  TUE 10/24/17  WED 10/25/17
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      82    83      82    83      82    84      82    84
TEMP          83 83   82 83 83 83   82 82 83 83   82 83 84 83   82 84 84 84
DEWPT         73 73   72 73 73 74   74 74 75 75   73 74 74 74   74 74 74 75
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      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 SC SC
POP 12HR         20      10    20      10    10      10    10      10    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$



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