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Issued by NWS San Juan, PR

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
416 AM AST Thu Jul 20 2017

PRZ001-202015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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          79          88          79          89
TEMP          81 84 87 88 85 81 79 79 80 82 86 88 85 81 79 79 80 83 87 89 86 81
DEWPT         73 73 73 73 73 73 73 73 73 74 74 74 74 74 75 75 75 75 75 75 76 76
RH            77 70 63 61 67 77 82 82 79 77 68 63 70 79 88 88 85 77 68 64 72 85
WIND DIR      NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD      13 16 17 16 16 14 12 13 11 16 18 19 17 11 10 10  9 12 16 17 17 13
CLOUDS        SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR                     20          30          40          20          20
QPF 12HR                   0.02        0.07        0.10        0.02        0.09
RAIN SHWRS     S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
OBVIS          H  H  H
HEAT INDEX    86 90 94 96 92 86       84 88 94 97 93 86       85 90 96 99 96 87
MAX HEAT         90    96    94    84    88    97    95    84    90    99    99


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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      80    89      79    88      79    89
TEMP          79 82 89 82   80 84 89 82   79 82 88 81   79 82 89 80
DEWPT         76 75 76 76   74 75 75 75   74 75 74 75   75 75 74 75
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    BZ      GN    BZ      BZ    BZ      GN    GN
AVG CLOUDS    B1 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    40      30    30      20    20      20    40
RAIN SHWRS     C  C  C  C    C  C  C  S    S  S  S  S    S  S  S  C

$$

PRZ002-202015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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                      89          79          89          80          89
TEMP          82 84 87 89 86 81 79 79 80 83 87 89 86 82 80 80 81 84 87 89 86 82
DEWPT         73 73 73 73 74 73 73 73 74 74 75 74 74 75 75 75 75 76 76 76 76 77
RH            74 70 63 59 68 77 82 82 82 74 68 61 68 79 85 85 82 77 70 66 72 85
WIND DIR      NE  E NE NE NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE
WIND SPD      14 16 16 16 16 17 14 16 14 17 18 17 14 12 11 11 10 12 13 14 14 13
CLOUDS        SC SC SC SC SC SC SC B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR                     30          50          50          20          20
QPF 12HR                   0.05        0.11        0.10        0.02        0.08
RAIN SHWRS     S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
OBVIS          H  H  H
HEAT INDEX    87 90 94 97 94 86       84 90 96 98 94 89 85 85 87 93 98100 96 90
MAX HEAT         90    97    96    84    90    98    98    87    93   100    99


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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    89      81    89      80    89      79    88
TEMP          80 84 89 83   81 84 89 82   80 84 89 81   79 83 88 81
DEWPT         76 76 76 76   75 76 75 75   75 76 75 75   75 75 75 75
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   B1 B1 SC SC
POP 12HR         40    40      30    30      20    30      30    50
RAIN SHWRS     C  C  C  S    C  C  C  S    S  S  S  C    C  C  C  C

$$

PRZ007-202015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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                      92          74          92          74          92
TEMP          81 85 90 92 86 78 74 75 78 83 89 92 86 78 74 74 77 82 89 92 85 76
DEWPT         70 70 68 67 69 71 71 70 70 71 68 68 69 71 72 72 72 71 70 70 72 74
RH            69 61 49 44 57 79 90 84 76 67 50 46 57 79 93 93 85 69 54 49 65 94
WIND DIR      NE  E  E  E  E  E NE NE NE  E SE SE SE  E NE NE NE  E SE SE  E NE
WIND SPD       8 11 14 16 14 10  9 10  9 14 18 19 18 10  6  8  9 11 16 16 14  9
CLOUDS        CL CL CL SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC FW
POP 12HR                     10          10          30          10          20
QPF 12HR                   0.01        0.02        0.07        0.01        0.08
RAIN SHWRS              S  S  S  S  S  S  S  S  C  C  S  S  S  S  S  S  S  S  S
OBVIS          H  H  H
HEAT INDEX    85 90 94 96 90             88 93 96 90             86 94 98 91
MAX HEAT         90    96    94          88    96    95          86    98    98


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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          72    95      77    94      75    93      76    94
TEMP          73 83 95 81   78 85 94 79   76 84 93 80   76 83 94 80
DEWPT         73 73 71 74   72 73 69 73   72 72 72 73   72 72 67 73
PWIND DIR        NE    SE       E    SE       E    SE      NE     E
WIND CHAR        GN    BZ      GN    BZ      GN    BZ      GN    GN
AVG CLOUDS    FW FW SC SC   FW FW SC SC   FW FW FW SC   FW FW SC SC
POP 12HR         10    30      20    30      10    30      10    30
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  C  C    S  S  S  S

$$

PRZ008-202015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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          79          86          80          87
TEMP          80 81 85 87 85 82 80 79 79 81 84 86 84 81 80 80 81 83 85 87 85 82
DEWPT         73 73 74 74 74 73 73 72 73 73 74 74 74 74 74 74 74 74 75 76 76 76
RH            79 77 70 65 70 74 79 79 82 77 72 68 72 79 82 82 79 74 72 70 75 82
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  S  E
WIND SPD      17 18 19 20 20 18 17 11 17 18 19 19 18 14 12 12 11 13 13 18 13 13
CLOUDS        FW FW FW SC SC FW FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC FW
POP 12HR                     10           5          40          20          20
QPF 12HR                   0.01        0.01        0.21        0.02        0.09
RAIN SHWRS              S  S        S  S  S  S  C  C  S  S  S  S  S  S  S  S  S
OBVIS          H  H  H
HEAT INDEX    84 86 93 95 93 87 84       86 91 94 91 86 84 84 86 90 94 98 94 89
MAX HEAT         86    95    95    86    86    94    94    86    90    98    98


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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    87      80    87      80    88      80    87
TEMP          79 81 87 83   80 81 87 82   80 82 88 83   80 83 87 83
DEWPT         75 75 76 76   74 75 76 75   74 74 76 75   74 74 77 75
PWIND DIR         E     E       E     E       E     E       E    NE
WIND CHAR        GN    GN      GN    BZ      BZ    BZ      GN    GN
AVG CLOUDS    FW FW SC B1   FW FW FW SC   FW FW FW FW   FW FW FW SC
POP 12HR         20    40      10    30      10    20      10    20
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-202015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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          75          88          75          91
TEMP          82 83 86 88 84 78 75 75 76 80 85 88 84 78 75 75 77 81 88 91 86 78
DEWPT         72 72 72 73 73 72 72 72 72 72 72 72 73 73 73 72 72 72 74 75 75 75
RH            72 70 63 61 70 82 90 90 87 77 65 59 70 85 94 90 85 74 63 60 70 91
WIND DIR       N NE  E NE NE NE  E NE NE  E  E NE  E NE NE NE  E  E SE SE  N NE
WIND SPD       4 10 13 11 10 12 10  9 11 14 12  9 10  6  6  8  8  9  5  8 20 10
CLOUDS        CL CL CL SC SC FW FW FW FW FW FW B1 B1 SC SC SC SC SC SC B2 B2 FW
POP 12HR                     20           5          50          10          50
QPF 12HR                   0.05           0        0.35        0.01        0.13
RAIN SHWRS              S  S                    C  C  S  S  S  S  S  S  C  C  S
TSTMS                                           S  S                    S  S
OBVIS          H  H  H
HEAT INDEX    87 88 92 96 90             84 91 95 90             85 97102 95
MAX HEAT         88    96    94          84    95    94          85   102   101


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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          74    93      76    91      75    92      76    91
TEMP          74 82 93 81   76 81 91 79   75 81 92 81   76 80 91 80
DEWPT         74 75 74 75   73 73 75 74   73 73 76 74   73 73 73 75
PWIND DIR        NE    NE       E    NE      NE     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    LT      GN    LT
AVG CLOUDS    FW FW SC B1   FW FW SC SC   FW FW SC SC   FW FW SC SC
POP 12HR         10    40      10    40      10    50      10    40
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C
TSTMS                S  S          S  S          S  S          S  S

$$

VIZ001-202015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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                      91          80          88          80          90
TEMP          85 88 91 91 90 91 91 91 83 80 84 88 87 84 81 80 82 85 89 90 86 81
DEWPT         73 73 73 74 74 73 73 74 74 74 74 74 75 75 75 75 75 76 76 76 76 77
RH            67 61 56 58 60 56 56 58 74 82 72 63 68 74 82 85 79 75 66 64 72 88
WIND DIR      NE  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE
WIND SPD      18 18 18 18 19 18 19 19 19 19 19 18 16 14 14 13 14 16 17 16 17 17
CLOUDS        SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR                     30          40          40          20          20
QPF 12HR                   0.04        0.09        0.10        0.02        0.07
RAIN SHWRS     S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
OBVIS          H  H  H
HEAT INDEX    92 96100101 99100100101 90 84 91 97 96 92 87 85 89 94100102 96 88
MAX HEAT         96   101   100   101    98    97    98    90    94   102   100


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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      81    90      79    89      79    89
TEMP          81 81 89 89   82 83 90 80   84 84 84 88   79 84 89 80
DEWPT         76 76 76 76   75 75 75 76   75 75 75 76   75 75 75 76
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   B1 B1 SC SC
POP 12HR         40    40      30    30      30    30      30    50
RAIN SHWRS     C  C  C  S    C  C  C  S    S  S  S  C    C  C  C  C

$$

VIZ002-202015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
416 AM AST Thu Jul 20 2017

DATE             THU 07/20/17            FRI 07/21/17            SAT 07/22/17
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                      91          78          90          79          90
TEMP          81 89 90 79 78 89 90 89 87 89 90 88 87 88 90 88 79 81 90 90 89 90
DEWPT         74 74 74 74 74 75 75 75 74 75 75 75 75 76 76 76 76 77 77 77 77 77
RH            79 61 60 85 88 64 62 64 65 64 62 66 68 68 64 68 91 88 66 66 68 66
WIND DIR      NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E  E  E  E
WIND SPD      14 16 17 17 18 17 17 17 16 18 18 17 14 13 12 13 14 12 17 16 14 16
CLOUDS        SC SC SC SC SC SC SC B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR                     30          50          50          20          20
QPF 12HR                   0.04        0.11        0.10        0.02        0.07
RAIN SHWRS     S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C
OBVIS          H  H  H
HEAT INDEX    86 98 99       99101 99 95 99101 98 96 99102 99    88103103102103
MAX HEAT         98   101    99   101    99   101    99   102    94   103   103


DATE          SUN 07/23/17  MON 07/24/17  TUE 07/25/17  WED 07/26/17
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      79    91      79    90      78    89
TEMP          90 80 89 80   80 80 91 80   80 80 90 79   88 88 88 88
DEWPT         77 77 77 76   76 76 76 76   76 76 76 76   76 75 76 77
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    B1 B1 SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    40      30    30      20    30      30    50
RAIN SHWRS     C  C  C  S    C  C  C  S    S  S  S  S    S  S  S  C

$$



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