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Issued by NWS San Juan, PR

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FOCA52 TJSJ 211415 AAA
PFMSJU

POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE SAN JUAN PR
1015 AM AST Sun Jan 21 2018

PRZ001-212015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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          85          74          86
TEMP                83 85 80 77 76 75 74 78 83 85 80 77 76 75 74 78 84 86 80 78
DEWPT               69 71 72 71 69 70 69 70 69 69 68 69 73 72 70 71 71 73 72 72
RH                  63 63 77 82 79 84 84 76 63 59 67 76 90 90 87 79 65 65 77 82
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            13 13 13 12 13 12 11 12 13 13 13 12 13 11 12 11 13 12 11 10
CLOUDS              FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC
POP 12HR                     10          30          30          30          30
QPF 12HR                      0        0.02        0.05        0.03        0.06
RAIN SHWRS           S  S  S  C  C  C  C  C  C  S  S  C  C  C  C  S  S  C  C  C
HEAT INDEX          87 90 84                87 89 83                87 91 84
MAX HEAT               90    90                89    88                91    90
HIGH SURF            Y  Y  Y


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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          74    80      73    84      73    83      74    80
TEMP          75 76 80 75   73 77 84 76   74 77 83 77   75 76 80 76
DEWPT         71 68 66 69   68 69 71 69   68 68 67 70   70 67 66 67
PWIND DIR         E     E       E     E       E     E      NE     E
WIND CHAR        GN    GN      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    SC SC B1 B1   SC SC SC B1   SC SC SC SC   B1 B1 B1 B1
POP 12HR         30    30      30    30      30    30      30    40
RAIN SHWRS     C  C  C  C    C  C  C  S    C  C  C  C    C  C  C  C

$$

PRZ002-212015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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                      83          74          84          75          84
TEMP                82 83 79 77 76 75 74 78 83 84 80 78 77 76 75 78 83 84 79 76
DEWPT               69 70 71 70 71 71 70 69 70 69 70 72 73 73 71 72 72 73 72 70
RH                  65 65 77 79 85 87 87 74 65 61 72 82 87 90 87 82 70 70 79 82
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            13 12 13 13 14 13 13 13 14 13 14 14 14 13 14 12 13 12 11 11
CLOUDS              FW FW FW SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR                     20          40          30          50          40
QPF 12HR                   0.01        0.04        0.06        0.07        0.08
RAIN SHWRS           S  S  S  C  C  C  C  C  C  S  S  C  C  C  C  C  C  C  C  C
HEAT INDEX          87 89 84                87 88                   88 90
MAX HEAT               89    88                88    87                90    89
HIGH SURF            Y  Y  Y


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    79      73    83      73    83      76    80
TEMP          74 75 79 75   73 77 83 76   74 77 83 78   76 77 80 77
DEWPT         70 68 67 70   69 72 73 70   69 68 69 71   70 69 66 68
PWIND DIR         E     E       E    NE      NE     E      NE     E
WIND CHAR        GN    GN      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    SC SC B1 B1   SC SC SC B1   SC SC SC B1   B1 B1 B1 B1
POP 12HR         30    30      30    30      30    30      30    40
RAIN SHWRS     C  C  C  C    C  C  C  S    C  C  C  C    C  C  C  C

$$

PRZ007-212015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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          69          88          69          89
TEMP                85 88 79 75 72 70 69 76 85 88 79 75 72 70 69 76 86 89 80 75
DEWPT               70 71 71 70 68 66 67 70 70 69 67 66 66 68 67 68 71 71 70 69
RH                  61 57 77 84 87 87 93 82 61 54 67 74 81 93 93 76 61 56 72 82
WIND DIR             E  E  E NE NE NE NE  E  E  E  E  E NE NE NE NE  E  E  E  E
WIND SPD            10 11 10  5  5  5  5  6 11 12 11  6  5  5  5  5 11 12 10  5
CLOUDS              FW FW FW SC SC SC SC SC SC FW FW FW FW FW FW SC SC SC SC SC
POP 12HR                     10          20          20           5          20
QPF 12HR                   0.01           0        0.05           0        0.06
RAIN SHWRS              S  S  S  S  S  S  S  S  S  S              S  S  S  S  S
HEAT INDEX          86 90                   90 91                   90 91
MAX HEAT               90    88                91    88                91    89


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    85      68    88      66    87      71    85
TEMP          70 75 85 73   69 75 88 73   68 74 87 76   72 76 85 76
DEWPT         70 68 64 67   68 68 67 65   65 65 64 69   70 66 61 65
PWIND DIR        NE     E      NE    NE      NE    NE      NE     E
WIND CHAR        LT    GN      LT    GN      LT    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20    20      20    20      30    30      20    20
RAIN SHWRS     S  S  S  S    S  S  S  S    C  C  C  S    S  S  S  S

$$

PRZ008-212015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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                      82          72          83          72          82
TEMP                81 82 77 75 74 73 72 76 81 83 78 75 74 73 72 76 81 82 78 76
DEWPT               70 72 72 73 72 71 72 71 68 70 69 67 69 71 71 71 70 70 70 71
RH                  69 72 85 94 93 93100 85 65 65 74 76 84 93 97 85 69 67 76 85
WIND DIR             E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE  E
WIND SPD            12 12 16 18 17 16 16 14 14 13 14 17 14 13 14 13 12 11 14 16
CLOUDS              FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC SC SC SC
POP 12HR                     20           0          20           5          40
QPF 12HR                   0.04           0        0.04           0        0.05
RAIN SHWRS              S  S                    S  S              S  S  C  C  S
HEAT INDEX          85 87                   84 85                   85 86
MAX HEAT               87    85                85    84                86    85
HIGH SURF            Y  Y  Y


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    81      71    81      71    82      73    81
TEMP          74 76 81 74   72 75 81 74   72 75 82 76   74 76 81 75
DEWPT         71 70 70 69   68 69 70 69   68 67 69 70   70 69 68 66
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      BZ    BZ      BZ    BZ      BZ    WY
AVG CLOUDS    SC SC SC SC   SC SC SC FW   SC SC SC B1   SC SC SC SC
POP 12HR         10    30      20    20      20    30      30    30
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  C    C  C  C  S

$$

PRZ010-212015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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          70          85          70          84
TEMP                83 85 78 75 73 71 70 75 83 85 78 75 73 71 70 75 82 84 78 76
DEWPT               75 76 75 73 69 67 67 70 72 72 72 68 67 70 68 71 71 72 72 72
RH                  77 75 91 94 87 87 90 84 70 65 82 79 81 97 93 87 69 67 82 87
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD             6  4  5 10 10  9  9  8  8  6  5  9  8  6  8  6  6  3  4  8
CLOUDS              FW FW FW FW FW FW FW SC SC B1 B1 FW FW FW FW SC SC B1 B1 SC
POP 12HR                     20           0          40           5          40
QPF 12HR                   0.05           0        0.10           0        0.06
RAIN SHWRS              S  S                    C  C              S  S  C  C  S
HEAT INDEX             85                   85 87                   85 88
MAX HEAT               85    84                87    86                88    86
HIGH SURF            Y  Y  Y


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    83      70    83      69    83      72    84
TEMP          73 76 83 74   71 75 83 73   70 74 83 75   73 76 84 76
DEWPT         71 70 69 69   69 69 69 68   67 67 70 70   70 68 66 66
PWIND DIR         E     E       E    NE      NE    NE      NE     E
WIND CHAR        LT    LT      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    SC SC SC B1   FW FW FW FW   FW FW FW SC   SC SC SC FW
POP 12HR         10    30      10    30      20    20      20    20
RAIN SHWRS     S  S  C  C    S  S  S  C    S  S  S  S    S  S  S  S

$$

VIZ001-212015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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                      78          77          79          78          79
TEMP                78 78 78 77 77 77 77 78 79 79 79 78 78 78 78 78 79 79 78 77
DEWPT               66 65 67 68 71 71 70 71 67 66 69 72 71 70 71 71 70 71 70 70
RH                  67 64 69 74 82 82 79 79 67 64 72 82 79 76 79 79 74 77 76 79
WIND DIR             E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD            18 17 18 20 20 20 19 20 19 19 18 20 20 19 17 17 17 16 16 18
CLOUDS              FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC
POP 12HR                      5          30          20          20          40
QPF 12HR                      0        0.02        0.01        0.02        0.04
RAIN SHWRS              S  S  C  C  C  C  S  S  S  S  S  S  S  S  C  C  C  C  S
HEAT INDEX          90 91 85
MAX HEAT               91    89


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    79      76    78      76    78      76    79
TEMP          76 77 79 77   76 77 78 77   76 77 78 77   76 77 79 77
DEWPT         68 69 70 70   68 68 68 68   66 66 63 67   67 67 69 68
PWIND DIR         E     E       E     E       E     E      NE     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      WY    WY
AVG CLOUDS    SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC B1
POP 12HR         20    30      20    20      20    20      30    40
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  S    C  C  C  C

$$

VIZ002-212015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
1015 AM AST Sun Jan 21 2018

DATE             SUN 01/21/18            MON 01/22/18            TUE 01/23/18
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          85          74          85
TEMP                83 85 80 77 76 75 74 78 83 85 80 77 76 75 74 78 83 85 79 77
DEWPT               72 69 73 71 72 71 71 69 66 65 70 68 69 72 71 69 73 68 69 72
RH                  70 59 79 82 87 87 90 74 57 51 72 74 79 90 90 74 72 57 72 85
WIND DIR             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 19 19 20 20 20 19 19 19 20 20 19 18 19 18 16 16 18
CLOUDS              SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC
POP 12HR                     20          40          20          20          40
QPF 12HR                   0.04        0.04        0.02        0.03        0.04
RAIN SHWRS           S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  C  C  C  C  S
HEAT INDEX          88 89                   87 88 83                89 88
MAX HEAT               90    88                88    88                91    87


DATE          WED 01/24/18  THU 01/25/18  FRI 01/26/18  SAT 01/27/18
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    80      72    84      71    85      73    80
TEMP          74 76 80 74   73 76 84 75   72 76 85 77   74 76 80 75
DEWPT         72 70 66 69   71 70 73 70   67 68 71 71   71 69 65 65
PWIND DIR         E     E       E     E       E    NE       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      WY    WY
AVG CLOUDS    SC SC SC B1   B1 B1 B1 B1   SC SC SC SC   B1 B1 B1 B1
POP 12HR         20    30      20    20      20    20      30    40
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  S    C  C  C  C

$$



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