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Issued by NWS San Juan, PR

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FOCA52 TJSJ 200808
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
408 AM AST Fri Apr 20 2018

PRZ001-202015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          75          86          75          87
TEMP          76 82 87 88 84 80 78 76 76 81 85 86 83 79 77 76 76 82 86 87 84 79
DEWPT         70 70 71 71 71 71 71 71 71 71 71 71 71 71 71 70 70 69 68 69 70 70
RH            82 67 59 57 65 74 79 85 85 72 63 61 67 77 82 82 82 65 55 55 63 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      12 17 18 19 17 13 12 11 11 13 17 19 17 13 14 13 13 14 17 18 18 14
CLOUDS        FW SC SC B2 B2 SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR                     60          40          40          20          10
QPF 12HR                   0.32        0.16        0.21        0.04        0.01
RAIN SHWRS     S  C  C  L  L  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S
TSTMS                   S  S
HEAT INDEX       86 93 94 89 83          85 90 91 88             85 89 91 88
MAX HEAT         86    94    94          85    91    91          85    91    91


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    87      75    87      75    89      76    88
TEMP          76 82 87 79   76 82 87 79   76 83 89 81   77 83 88 80
DEWPT         70 71 71 71   71 71 72 71   71 71 72 72   71 72 72 71
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW SC SC B1   B1 B1 B1 B2   B2 B1 SC SC   SC SC SC SC
POP 12HR         40    40      40    60      60    30      30    40
RAIN SHWRS     S  C  C  C    C  C  C  L    L  L  C  C    C  C  C  C
TSTMS                              S  S

$$

PRZ002-202015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          76          85          76          86
TEMP          77 82 85 86 83 80 78 77 77 81 84 85 82 79 78 77 77 82 85 86 83 80
DEWPT         70 71 71 71 71 71 71 71 71 72 72 71 71 71 71 70 70 70 70 71 71 70
RH            79 69 63 61 67 74 79 82 82 74 67 63 69 77 79 79 79 67 61 61 67 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      16 18 18 17 16 14 14 13 13 16 17 18 16 16 16 14 16 16 16 14 17 16
CLOUDS        FW SC SC B2 B2 SC SC B2 B2 SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     50          70          40          20          20
QPF 12HR                   0.26        0.24        0.21        0.04        0.02
RAIN SHWRS     S  C  C  C  C  S  S  L  L  C  C  C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX       86 90 91 88 83          85 90 90 86             86 90 91 88 83
MAX HEAT         86    91    91          85    91    90          86    91    91


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    86      76    86      76    86      75    86
TEMP          77 82 86 80   77 82 86 80   77 82 86 79   76 81 86 80
DEWPT         71 72 72 71   71 72 72 71   71 72 73 72   72 72 72 71
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC B1 B1 B1   B1 B1 B1 B1   B2 B2 B1 SC   B1 B1 B1 SC
POP 12HR         50    50      50    60      60    50      40    50
RAIN SHWRS     C  C  C  C    C  C  C  L    L  L  C  C    C  C  C  C

$$

PRZ007-202015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          71          89          69          92
TEMP          71 82 90 92 86 79 75 72 72 81 87 89 83 76 73 70 70 82 89 92 86 77
DEWPT         67 68 67 68 68 69 69 69 68 68 67 68 68 69 69 68 68 67 65 64 67 68
RH            87 63 47 46 55 72 82 90 87 65 52 50 61 79 87 93 93 61 45 40 53 74
WIND DIR      NE  E SE SE SE  E NE NE NE  E SE SE SE  E NE NE NE  E SE SE  E  E
WIND SPD      11 16 19 20 18 10  9  9  9 13 19 20 18 11  9 10 10 13 17 20 18 13
CLOUDS        CL CL CL B1 B1 SC SC FW FW FW FW SC SC SC SC FW FW CL CL SC SC FW
POP 12HR                     40          20          20          20          20
QPF 12HR                   0.17        0.03        0.06        0.04        0.01
RAIN SHWRS              C  C  S  S  S  S  S  S  S  S  S  S  S  S        S  S  S
HEAT INDEX       85 93 96 89             84 90 93 86             85 91 94 89
MAX HEAT         85    96    95          84    93    92          85    94    93


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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          69    92      69    91      69    92      70    91
TEMP          70 82 92 77   70 81 91 77   70 82 92 78   71 82 91 78
DEWPT         67 68 68 69   69 69 69 70   69 69 67 70   70 70 69 70
PWIND DIR        NE     E       E     E       E     E       E     E
WIND CHAR        GN    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    FW FW FW SC   SC SC SC SC   SC SC SC SC   SC FW FW SC
POP 12HR         10    20      10    30      20    20      10    10
RAIN SHWRS     S  S  S  S    S  S  C  C    S  S  S  S    S  S  S  S

$$

PRZ008-202015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          84          73          84
TEMP          75 80 84 85 82 77 75 74 74 79 83 84 81 77 75 74 74 79 83 84 81 77
DEWPT         69 70 71 72 72 71 71 71 70 70 71 71 71 71 71 71 70 70 69 69 69 70
RH            82 72 65 65 72 82 87 90 87 74 67 65 72 82 87 90 87 74 63 61 67 79
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      14 14 19 19 17 16 14 13 13 16 18 14  9 14 16 16 16 18 19 21 20 17
CLOUDS        CL FW FW OV OV B2 B2 FW FW CL CL B2 B2 SC SC FW FW FW FW SC SC FW
POP 12HR                     70          50          70          40          20
QPF 12HR                   0.38        0.18        0.31        0.08        0.01
RAIN SHWRS        S  S  L  L  C  C  S  S        L  L  C  C  S  S  S  S  S  S  S
TSTMS                   S  S  S  S              S  S  S  S
HEAT INDEX       83 89 91 87                88 89 85                87 88 84
MAX HEAT         83    91    91                89    89                88    88


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    85      73    85      74    85
TEMP          74 79 84 77   74 80 85 77   74 80 85 78   75 80 85 78
DEWPT         70 70 72 71   70 71 72 71   70 70 71 72   71 71 71 72
PWIND DIR         E    NE       E     E       E    NE       E     E
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW FW SC   SC SC SC B1   SC SC SC B1   SC SC SC B2
POP 12HR         10    20      10    50      20    60      20    60
RAIN SHWRS     S  S  S  S    S  S  C  C    S  S  L  L    S  S  L  L
TSTMS                              S  S          S  S          S  S

$$

PRZ010-202015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          71          85          71          87
TEMP          72 79 84 86 82 76 74 72 72 79 83 85 81 76 74 72 72 80 85 87 83 77
DEWPT         68 68 70 71 71 70 70 70 69 69 70 69 70 70 70 69 69 69 69 69 69 70
RH            87 69 63 61 69 82 87 93 90 72 65 59 69 82 87 90 90 69 59 55 63 79
WIND DIR      NE  E  E NW  W  N NE  E  E  E  E  W  N  W NE  E  E  E NE  S NE  E
WIND SPD       9 12  8  4  4  3  8 10 10 11  6  5  8  6  9 10 11 13 11  5  9  4
CLOUDS        CL CL CL OV OV SC SC CL CL CL CL B2 B2 SC SC FW FW CL CL SC SC FW
POP 12HR                     70          40          70          40          40
QPF 12HR                   0.31        0.05        0.31        0.08        0.08
RAIN SHWRS              L  L  C  C              L  L  C  C  S  S        C  C  S
TSTMS                   S  S                    S  S  S  S
HEAT INDEX          88 91 86                87 89 85             83 89 91 87
MAX HEAT               91    91                89    89          83    91    91


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    86      71    87      71    89      72    86
TEMP          72 79 86 76   72 80 87 77   72 81 89 78   73 80 86 77
DEWPT         69 68 69 70   69 70 70 70   69 69 69 71   70 70 71 71
PWIND DIR        NE    NE       E     E       E    SE       E    SE
WIND CHAR        GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    FW FW SC B1   SC SC SC B1   SC SC SC B1   FW FW SC B1
POP 12HR         10    50      20    60      20    50      10    50
RAIN SHWRS     S  S  C  C    S  S  L  L    S  S  C  C    S  S  C  C
TSTMS                S  S          S  S          S  S

$$

VIZ001-202015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          76          85          75          87
TEMP          76 81 85 86 83 80 78 77 77 81 84 85 82 79 77 76 76 82 86 87 84 79
DEWPT         70 70 70 71 71 71 72 71 71 71 71 71 71 71 71 70 69 69 70 70 70 71
RH            82 69 61 61 67 74 82 82 82 72 65 63 69 77 82 82 79 65 59 57 63 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      21 20 19 18 18 18 18 17 18 19 19 19 19 18 19 19 18 19 17 17 19 19
CLOUDS        FW SC SC B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC
POP 12HR                     40          20          20          20          20
QPF 12HR                   0.22        0.06        0.06        0.02        0.02
RAIN SHWRS     S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       85 90 91 88 83          85 89 90 86             85 91 92 88
MAX HEAT         85    91    91          85    90    90          85    92    92


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    86      76    86      76    86      76    86
TEMP          76 81 86 80   77 82 86 80   77 82 86 80   77 82 86 80
DEWPT         71 71 72 72   72 72 71 71   71 72 72 72   72 71 71 71
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   B1 B1 B1 SC   B1 B1 SC SC   B1 B1 B1 SC
POP 12HR         40    30      40    40      40    40      40    50
RAIN SHWRS     C  C  S  C    C  C  C  C    C  C  C  C    C  C  C  C

$$

VIZ002-202015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
408 AM AST Fri Apr 20 2018

DATE             FRI 04/20/18            SAT 04/21/18            SUN 04/22/18
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          75          87          75          86
TEMP          77 82 85 86 83 79 77 76 76 82 86 87 84 79 77 76 76 81 85 86 83 79
DEWPT         72 72 72 72 72 72 73 72 72 72 72 72 72 72 72 72 71 71 71 71 72 72
RH            85 72 65 63 70 79 87 87 87 72 63 61 67 79 85 87 85 72 63 61 70 79
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E
WIND SPD      20 21 20 18 17 16 17 18 17 19 20 19 19 18 19 18 18 18 17 16 21 18
CLOUDS        FW SC SC SC SC FW FW SC SC SC SC FW FW FW FW FW FW SC SC SC SC SC
POP 12HR                     30          40          40          20          20
QPF 12HR                   0.14        0.11        0.08        0.02        0.02
RAIN SHWRS     S  S  S  C  C  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX       87 91 92 88             87 92 94 90             85 90 91 88
MAX HEAT         87    92    92          87    94    94          85    91    91


DATE          MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    87      75    86      75    86      74    86
TEMP          76 82 87 79   76 81 86 79   76 81 86 78   75 81 86 78
DEWPT         73 73 73 72   73 73 72 72   72 73 73 73   73 73 73 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 B1   B2 B1 B1 B1   B2 B2 B1 SC   B1 B1 B1 SC
POP 12HR         40    50      50    60      60    50      40    50
RAIN SHWRS     C  C  S  C    C  C  C  L    L  L  C  C    C  C  C  C

$$



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