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Issued by NWS San Juan, PR

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FOCA52 TJSJ 192035
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
435 PM AST Thu Apr 19 2018

PRZ001-200845-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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          88          75          86          75
TEMP          84 79 77 76 76 82 87 88 84 80 78 76 76 81 85 86 83 79 77 76 76 82
DEWPT         70 70 70 69 69 70 71 71 71 71 71 71 70 70 70 71 71 71 71 70 69 69
RH            63 74 79 79 79 67 59 57 65 74 79 85 82 69 61 61 67 77 82 82 79 65
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      17 13 12 12 11 14 17 16 14 11 11 12 12 16 17 18 17 14 14 14 13 16
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC B1 B1 SC SC B1 B1 SC SC SC SC FW
POP 12HR                     20          30          50          40          20
QPF 12HR                   0.04        0.07        0.06        0.08        0.03
RAIN SHWRS     C  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S
HEAT INDEX    87             86 90 92 88             87 91 93 90             86
MAX HEAT         90          86    92    92          87    93    93          86


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    87      75    89      76    88
TEMP          87 79   76 82 87 79   76 82 87 79   76 83 89 81   77 83 88 80
DEWPT         69 70   70 70 71 71   71 72 72 71   71 72 71 72   72 71 72 72
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW   FW SC SC SC   SC SC B1 B2   B2 B1 SC SC   SC SC SC SC
POP 12HR         10      40    40      30    60      60    30      30    40
RAIN SHWRS     S  S    S  C  C  S    S  C  C  L    L  L  C  C    C  C  C  C
TSTMS                                      S  S

$$

PRZ002-200845-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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          86          76          85          76
TEMP          83 80 78 77 77 82 85 86 83 80 78 77 77 81 84 85 82 79 78 77 77 82
DEWPT         70 70 69 69 69 71 71 71 71 71 71 71 71 71 72 72 71 71 71 70 70 69
RH            65 72 74 76 76 69 63 61 67 74 79 82 82 72 67 65 69 77 79 79 79 65
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 14 16 16 14 17 16 14 13 12 14 14 14 17 17 16 16 16 17 16 16 17
CLOUDS        SC SC SC FW FW SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR                     30          40          70          50          20
QPF 12HR                   0.04        0.09        0.12        0.14        0.04
RAIN SHWRS     S  S  S  S  S  C  C  C  C  C  C  L  L  C  C  C  C  S  S  S  S  S
HEAT INDEX    86             85 89 91 88 83          87 91 92 88 84          86
MAX HEAT         89          85    91    91          87    92    92          86


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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          86      76    86      76    86      76    86      75    86
TEMP          86 80   77 82 86 80   77 82 86 80   77 82 86 79   76 81 86 80
DEWPT         70 70   71 71 72 72   72 72 73 72   72 72 73 72   72 72 72 72
PWIND DIR         E       E     E       E     E       E     E       E     E
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC B1 B1 SC   SC SC B1 B1   B2 B2 B1 SC   B1 B1 B1 SC
POP 12HR         30      50    50      40    60      60    50      40    50
RAIN SHWRS     S  C    C  C  C  S    S  C  C  L    L  L  C  C    C  C  C  C

$$

PRZ007-200845-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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                      70          92          71          89          69
TEMP          84 77 74 71 71 82 90 92 86 79 75 72 72 81 87 89 83 76 73 70 70 82
DEWPT         68 68 67 67 67 67 66 68 68 69 69 69 69 68 66 67 68 69 68 68 68 67
RH            59 74 79 87 87 61 45 46 55 72 82 90 90 65 50 48 61 79 84 93 93 61
WIND DIR      SE  E NE NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E NE NE NE  E
WIND SPD      16 11 11 11 11 14 17 16 16 10  9  9  9 14 18 19 18 11 10 10 11 16
CLOUDS        SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW
POP 12HR                     20          30          20          20          10
QPF 12HR                   0.01        0.03        0.01        0.04        0.02
RAIN SHWRS     S  S  S              C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    87             83                      85 91 94 87             84
MAX HEAT         90          83    89    88          85    94    92          84


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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          92      69    92      69    91      69    92      70    91
TEMP          92 77   70 82 92 77   70 81 91 77   70 82 92 78   71 82 91 78
DEWPT         63 67   67 68 67 69   70 70 69 70   70 69 67 71   70 69 68 70
PWIND DIR         E      NE     E       E     E       E    SE       E    SE
WIND CHAR        BZ      LT    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    FW SC   FW FW SC SC   SC SC SC SC   SC SC SC SC   SC FW FW SC
POP 12HR         20      10    20      10    30      20    20      10    10
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    S  S  S  S    S  S  S  S

$$

PRZ008-200845-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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                      74          85          73          84          73
TEMP          81 78 76 75 75 80 84 85 82 77 75 74 74 79 83 84 81 77 75 74 74 79
DEWPT         71 71 69 69 69 69 70 72 72 71 71 71 71 71 71 71 71 71 71 70 70 70
RH            72 79 79 82 82 69 63 65 72 82 87 90 90 77 67 65 72 82 87 87 87 74
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  S  E  E  E  E  E
WIND SPD      14 13 14 14 13 14 17 18 16 14 14 14 14 17 18 16  9 17 14 16 16 18
CLOUDS        OV SC SC CL CL FW FW B1 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW FW
POP 12HR                     20          50          20          40          20
QPF 12HR                   0.01        0.14        0.01        0.08        0.03
RAIN SHWRS     L  S  S              C  C  S  S  S  S        C  C  S  S  S  S  S
TSTMS          S
HEAT INDEX    86             83 86 88 85                88 90 86             83
MAX HEAT         89          83    88    88                90    90          83


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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      73    84      73    85      73    85      74    85
TEMP          84 77   74 79 84 77   74 80 85 77   74 80 85 78   75 80 85 78
DEWPT         70 70   69 70 71 71   70 71 71 71   70 71 72 72   71 71 72 72
PWIND DIR         E       E     E       E     E       E     E       E    NE
WIND CHAR        BZ      GN    GN      GN    GN      GN    GN      LT    GN
AVG CLOUDS    FW SC   FW FW SC SC   SC SC SC B1   SC SC SC B1   SC SC SC B2
POP 12HR         20      10    20      10    50      20    60      20    60
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    S  S  L  L    S  S  L  L
TSTMS                                      S  S          S  S          S  S

$$

PRZ010-200845-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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                      71          86          71          85          71
TEMP          81 76 74 72 72 79 84 86 82 76 74 72 72 79 83 85 81 76 74 72 72 80
DEWPT         70 70 69 68 67 68 68 69 70 70 70 70 69 70 71 70 70 70 70 69 69 69
RH            69 82 84 87 84 69 59 57 67 82 87 93 90 74 67 61 69 82 87 90 90 69
WIND DIR       N  N  E  E NE  E  E  W  N  N  E  E  E  E SE NW  N  S  E  E  E  E
WIND SPD       8  4  8  9  9 11  8  5  6  5  8  9 10 13  9  5 10  4  9 11 12 16
CLOUDS        B1 SC SC CL CL SC SC B2 B2 SC SC SC SC SC SC B2 B2 SC SC FW FW FW
POP 12HR                     20          70          20          50          10
QPF 12HR                   0.01        0.23        0.01        0.21        0.02
RAIN SHWRS     C  S  S              L  L  S  S  S  S        C  C  S  S  S  S  S
TSTMS          S                    S  S
HEAT INDEX    83                85 86 83                86 90 84
MAX HEAT         88                86    86                90    90


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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      71    86      71    87      71    89      72    86
TEMP          87 77   72 79 86 76   72 80 87 77   72 81 89 78   73 80 86 77
DEWPT         69 69   68 69 69 70   69 71 71 71   70 71 70 71   71 70 70 71
PWIND DIR         S       E     E       E    SE       E    SE      SE    SE
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC   FW FW SC B1   SC SC SC B1   SC SC SC B1   FW FW SC B1
POP 12HR         50      10    50      20    60      20    50      10    50
RAIN SHWRS     C  C    S  S  C  C    S  S  L  L    S  S  C  C    S  S  C  C
TSTMS                        S  S          S  S          S  S

$$

VIZ001-200845-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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          86          76          85          75
TEMP          83 79 77 76 76 81 85 86 83 80 78 77 77 81 84 85 82 79 77 76 76 82
DEWPT         70 70 69 69 70 71 71 71 71 72 72 71 71 71 71 71 71 71 70 70 69 69
RH            65 74 76 79 82 72 63 61 67 77 82 82 82 72 65 63 69 77 79 82 79 65
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 18 18 18 19 19 19 18 16 17 18 18 19 19 19 18 18 18 20 20 19 19
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC
POP 12HR                     20          30          30          40          20
QPF 12HR                   0.04        0.04        0.02        0.06        0.02
RAIN SHWRS     S  S  S  S  S  S  S  S  S  C  C  S  S  S  S  C  C  S  S  S  S  S
HEAT INDEX    87             85 90 92 88             86 92 93 89             85
MAX HEAT         90          85    92    92          86    93    93          85


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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    86      76    86      76    86      76    86
TEMP          87 79   76 81 86 80   77 82 86 80   77 82 86 80   77 82 86 80
DEWPT         70 70   70 71 71 72   72 71 72 72   71 72 72 72   72 71 71 72
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 B1 SC SC   SC SC B1 SC   B1 B1 SC SC   B1 B1 B1 SC
POP 12HR         20      40    20      40    40      40    40      40    50
RAIN SHWRS     S  S    C  C  S  S    S  C  C  C    C  C  C  C    C  C  C  C

$$

VIZ002-200845-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
435 PM AST Thu Apr 19 2018

DATE           04/19/18      FRI 04/20/18            SAT 04/21/18            SUN
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          86          75          87          75
TEMP          84 80 78 77 77 82 85 86 83 79 77 76 76 82 86 87 84 79 77 76 76 81
DEWPT         71 71 71 71 72 72 72 72 72 72 73 72 71 72 72 72 72 72 72 71 71 71
RH            65 74 79 82 85 72 65 63 70 79 87 87 85 72 63 61 67 79 85 85 85 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      17 17 18 17 18 19 17 17 16 16 16 17 18 19 19 19 18 18 19 19 19 19
CLOUDS        SC SC SC FW FW SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          40          30          20
QPF 12HR                   0.04        0.04        0.05        0.07        0.02
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  S
HEAT INDEX    88             86 93 94 90             86 92 93 90             85
MAX HEAT         91          86    94    94          86    93    93          85


DATE           04/22  MON 04/23/18  TUE 04/24/18  WED 04/25/18  THU 04/26/18
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          86      75    87      75    86      75    86      74    86
TEMP          86 79   76 82 87 79   76 81 86 79   76 81 86 78   75 81 86 78
DEWPT         71 72   72 72 72 73   73 73 73 73   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    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC   B1 SC SC SC   SC SC B1 B1   B2 B2 B1 SC   B1 B1 B1 SC
POP 12HR         30      40    20      40    60      60    50      40    50
RAIN SHWRS     S  C    C  C  S  S    S  C  C  L    L  L  C  C    C  C  C  C

$$


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