Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 221930
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST Sun Apr 22 2018

PRZ001-222030-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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          86          75          85
TEMP                      83 79 77 76 76 81 85 86 83 79 77 76 76 81 80 80 80 77
DEWPT                     70 70 71 70 70 70 70 71 71 71 71 70 70 71 70 71 71 71
RH                        65 74 82 82 82 69 61 61 67 77 82 82 82 72 72 74 74 82
WIND DIR                   E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD                  16 13 11 10  9 12 16 17 14 11 12 11 12 14 16 17 16 12
CLOUDS                    FW SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC SC SC SC SC
POP 12HR                     40          60          60          60          40
QPF 12HR                   0.03        0.18        0.61        0.32        0.24
RAIN SHWRS                 S  C  C  C  C  L  L  C  C  C  C  L  L  C  C  C  C  S
TSTMS                                           S  S                    S  S
HEAT INDEX                87             85 90 91 88             85 83 83 83
MAX HEAT                     90          85    91    91          85    86    83


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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    88      76    89      76    88      76    88
TEMP          76 79 83 78   77 79 83 78   78 79 83 77   77 79 83 78
DEWPT         70 71 71 72   72 71 72 72   72 72 71 71   71 71 69 70
PWIND DIR        SE     E       E    SE      SE     E       E     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC FW SC   SC SC SC SC   SC SC SC FW   SC SC FW FW
POP 12HR         20    20      40    40      20    20      20    10
RAIN SHWRS     S  S  S  S    S  C  C  C    S  S  S  S    S  S  S  S

$$

PRZ002-222030-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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          85
TEMP                      83 80 78 77 77 81 84 85 82 79 78 77 77 81 79 80 79 77
DEWPT                     70 71 71 71 71 71 72 72 71 71 71 71 71 71 72 72 72 71
RH                        65 74 79 82 82 72 67 65 69 77 79 82 82 72 79 77 79 82
WIND DIR                  NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD                  14 14 14 13 13 13 16 16 16 14 14 13 12 14 13 13 13 13
CLOUDS                    SC SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC SC SC SC SC
POP 12HR                     40          60          60          60          40
QPF 12HR                   0.03        0.18        0.46        0.32        0.24
RAIN SHWRS                 S  C  C  C  C  L  L  C  C  C  C  L  L  C  C  C  C  S
HEAT INDEX                87 83          85 90 91 86             85    84
MAX HEAT                     91          85    91    91          85    86    84


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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    87      76    86      76    86      76    87
TEMP          76 78 82 78   76 79 81 78   77 79 81 77   77 78 81 77
DEWPT         71 71 72 72   72 72 73 73   72 71 72 70   71 71 70 70
PWIND DIR         E     E       E    SE       E     E       E     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC FW SC   SC SC SC SC   SC SC SC FW   SC SC SC FW
POP 12HR         20    40      40    40      20    20      20    20
RAIN SHWRS     S  S  S  C    C  C  C  C    S  S  S  S    S  S  S  S

$$

PRZ007-222030-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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                      90          71          90          70          89
TEMP                      85 78 75 72 72 82 88 90 84 77 74 71 71 81 86 86 83 75
DEWPT                     66 67 68 68 68 68 67 67 68 69 69 68 68 68 66 67 68 69
RH                        53 69 79 87 87 63 50 47 59 76 84 90 90 65 51 53 61 82
WIND DIR                   E NE NE NE NE  E SE SE SE  E NE NE NE  E SE SE SE  E
WIND SPD                  12  9  8  8  9 12 16 17 16  9  8  8  9 13 16 18 17 11
CLOUDS                    SC FW FW FW FW SC SC FW FW SC SC FW FW FW FW SC SC SC
POP 12HR                     40          20          40          40          40
QPF 12HR                   0.08        0.02        0.05        0.11        0.18
RAIN SHWRS                 C  S  S  S  S  S  S        C  C  S  S  S  S  C  C  S
HEAT INDEX                87             85 91 93 87             84 88 89 86
MAX HEAT                     91          85    93    92          84    89    88


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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          70    91      70    92      70    90      70    91
TEMP          73 79 87 75   73 80 87 76   75 80 88 76   72 80 86 74
DEWPT         69 68 68 70   70 70 69 71   70 70 67 70   68 69 67 67
PWIND DIR        NE    SE       E    SE       E    SE       E     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      LT    GN
AVG CLOUDS    FW FW SC SC   FW SC SC FW   FW FW FW FW   FW FW FW FW
POP 12HR         20    20      40    40      10    10      10    10
RAIN SHWRS     S  S  S  S    S  C  C  S    S  S  S  S    S  S  S  S

$$

PRZ008-222030-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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          74          84          74          85
TEMP                      82 78 76 75 75 80 83 84 81 78 76 75 75 80 81 81 79 77
DEWPT                     71 70 70 70 70 70 71 71 71 71 71 70 70 71 71 72 71 71
RH                        69 76 82 84 84 72 67 65 72 79 85 84 84 74 72 74 77 82
WIND DIR                   E  E  E  E  E  E  E  E SE  E  E  E  E  E  E  E  E  E
WIND SPD                  20 18 14 12 11 13 17 19 16 14 16 14 14 17 18 19 14 14
CLOUDS                    FW FW FW SC SC SC SC B1 B1 B2 B2 FW FW FW FW SC SC SC
POP 12HR                     10          20          60          60          40
QPF 12HR                   0.01        0.02        0.72        0.24        0.18
RAIN SHWRS                 S  S  S  S  S  S  S  C  C  L  L  S  S  S  S  C  C  S
TSTMS                                           S  S  S  S              S  S
HEAT INDEX                86             83 88 89 85             83 85 85
MAX HEAT                     90          83    89    89          83    86    84


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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    85      74    85      74    85      74    85
TEMP          76 78 82 79   77 78 83 79   77 79 83 79   76 78 82 79
DEWPT         70 70 72 72   71 71 71 73   71 71 71 72   69 70 71 70
PWIND DIR         E     E       E     E       E    NE       E     E
WIND CHAR        GN    GN      GN    LT      GN    GN      GN    GN
AVG CLOUDS    FW FW SC B1   FW FW SC B1   FW FW FW SC   SC SC SC SC
POP 12HR         20    70      20    70      10    20      20    40
RAIN SHWRS     S  S  L  L    S  S  L  L    S  S  S  S    S  S  C  C
TSTMS                S  S          S  S

$$

PRZ010-222030-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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          72          85          72          85
TEMP                      81 77 75 73 73 79 84 85 81 77 75 73 73 79 84 82 80 76
DEWPT                     70 70 69 69 69 69 70 68 70 70 70 69 69 69 70 70 71 71
RH                        69 79 82 87 87 72 63 57 69 79 84 87 87 72 63 67 74 85
WIND DIR                   S NE  E  E NE  E  W  W  E  N  E  E  E  E  E  W  N  E
WIND SPD                   5  8 10 10  9 10  5  5  9  5  8  8 11 13  9  5  3  3
CLOUDS                    B1 SC SC CL CL FW FW B2 B2 B2 B2 FW FW FW FW OV OV SC
POP 12HR                     50          20          60          60          70
QPF 12HR                   0.09        0.02        1.03        0.24        0.49
RAIN SHWRS                 C  S  S        S  S  L  L  L  L  S  S  S  S  L  L  C
TSTMS                      S                    C  C  S  S              S  S
HEAT INDEX                85                88 88 85                88 86 83
MAX HEAT                     89                89    88                88    85


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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          72    88      72    87      72    84      72    85
TEMP          74 77 83 77   75 79 85 78   76 79 84 78   74 78 82 77
DEWPT         69 69 70 71   70 71 71 72   71 71 69 71   68 70 69 70
PWIND DIR         E    SE       E    SE      SE    SE      SE    SE
WIND CHAR        GN    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    SC FW SC SC   FW FW SC SC   FW FW SC SC   FW FW SC SC
POP 12HR         40    40      20    40      10    40      10    40
RAIN SHWRS     C  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS                S  S                        S  S          S  S

$$

VIZ001-222030-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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                      87          76          86          75          86
TEMP                      84 80 78 77 77 82 85 86 83 79 77 76 76 81 78 79 78 78
DEWPT                     70 71 71 71 70 71 71 71 71 71 71 70 70 70 71 71 71 71
RH                        63 74 79 82 79 69 63 61 67 77 82 82 82 69 79 77 79 79
WIND DIR                  NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD                  16 16 17 16 17 19 18 18 17 17 17 16 16 17 16 16 16 16
CLOUDS                    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
POP 12HR                     20          40          40          40          20
QPF 12HR                   0.02        0.12        0.40        0.11        0.04
RAIN SHWRS                 S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S
HEAT INDEX                88 83          86 90 91 88             85
MAX HEAT                     92          86    91    91          85    87


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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          77    87      77    86      77    86      75    86
TEMP          78 78 79 79   79 79 80 80   79 79 79 79   78 78 79 79
DEWPT         71 71 72 72   72 72 72 72   72 71 71 70   71 70 70 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    FW SC FW SC   SC SC SC FW   SC SC SC FW   SC SC SC FW
POP 12HR         20    40      40    40      20    20      20    20
RAIN SHWRS     S  S  S  C    C  C  C  S    S  S  S  S    S  S  S  S

$$

VIZ002-222030-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
330 PM AST Sun Apr 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
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                      87          74          87          74          86
TEMP                      83 79 77 75 75 81 86 87 83 79 77 75 75 81 80 80 80 80
DEWPT                     72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 72 73
RH                        70 79 85 90 90 74 63 61 70 79 85 90 90 74 77 77 77 79
WIND DIR                   E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E
WIND SPD                  14 14 14 13 13 17 17 16 16 16 14 13 16 17 16 16 16 14
CLOUDS                    SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW
POP 12HR                     20          20          30          40          20
QPF 12HR                   0.02        0.03        0.33        0.13        0.04
RAIN SHWRS                 S  S  S  S  S  S  S  C  C  S  S  C  C  S  S  S  S  S
HEAT INDEX                88             85 92 94 88             85 84 84 84 84
MAX HEAT                     93          85    94    94          85    87    84


DATE          WED 04/25/18  THU 04/26/18  FRI 04/27/18  SAT 04/28/18
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      76    87      76    88      75    87
TEMP          79 79 80 80   80 80 81 80   80 80 80 80   79 79 80 80
DEWPT         72 72 73 74   73 73 74 73   73 72 72 72   72 71 71 72
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    FW FW SC SC   SC SC SC SC   SC SC SC FW   SC SC SC FW
POP 12HR         20    40      40    40      20    20      20    20
RAIN SHWRS     S  S  S  C    C  C  C  S    S  S  S  S    S  S  S  S

$$



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