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Issued by NWS San Juan, PR

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FOCA52 TJSJ 232034
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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
434 PM AST Tue Jan 23 2018

PRZ001-240815-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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          84          73          83          74
TEMP          82 79 77 75 74 76 83 83 81 78 76 74 73 75 82 82 80 78 77 75 74 75
DEWPT         72 72 71 71 71 68 66 66 68 69 69 68 69 69 70 71 70 69 69 68 68 68
RH            72 79 82 87 90 76 57 57 65 74 79 82 87 82 67 69 72 74 76 79 82 79
WIND DIR       E  E SE  E  E SE  E  E  E  E  E  E  E  E  E  E  E NE NE NE  E NE
WIND SPD      12  9  9  9  9 10 14 16 13 11 11 12 11 13 14 14 12 11 11 11 11 14
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          30          10          20          30
QPF 12HR                   0.01        0.03        0.01        0.02        0.03
RAIN SHWRS     C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  C  C  C  C  C
HEAT INDEX    87                85 85 84                86 86 83
MAX HEAT         89                86    85                88    86


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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          82      74    82      74    84      73    84      72    84
TEMP          81 77   75 75 81 77   75 76 83 78   74 75 83 77   74 74 83 79
DEWPT         67 70   70 67 66 67   66 69 71 70   69-100-100 70   69 68 69 69
PWIND DIR        NE      NE     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    SC SC   B1 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC   B1 B1 B1 SC
POP 12HR         30      40    40      30    30      30    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  S    C  C  C  S    C  C  C  S

$$

PRZ002-240815-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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          84          74          83          73
TEMP          82 78 78 76 75 75 81 83 82 78 78 76 75 75 81 82 81 77 77 75 74 74
DEWPT         72 70 70 70 69 68 67 67 69 70 69 69 70 72 73 73 71 70 69 69 68 68
RH            72 76 76 82 82 79 63 59 65 76 74 79 84 90 77 74 72 79 76 82 82 82
WIND DIR       E NE  E  E  E  E  E  E  E  E  E NE  E  E  E NE  E NE NE NE NE NE
WIND SPD      11 10 10 10 11 13 13 13 13 13 13 13 13 14 14 12 12 12 12 12 12 16
CLOUDS        SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     50          50          20          20          30
QPF 12HR                   0.02        0.04        0.01        0.02        0.03
RAIN SHWRS     C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  C  C  C  C  C
HEAT INDEX    87                83 86 85                86 87 85
MAX HEAT         90                87    88                89    88


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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          82      77    82      75    83      75    83      73    83
TEMP          81 79   78 77 81 77   76 76 82 78   76 76 82 77   75 74 82 77
DEWPT         69 71   70 69 66 68   67 70 72 69   68-100-100 69   70 67 70 69
PWIND DIR        NE      NE    NE       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    GN
AVG CLOUDS    SC B1   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC   B1 B1 B1 SC
POP 12HR         30      40    40      30    40      40    30      30    30
RAIN SHWRS     C  C    C  C  C  C    C  C  C  C    C  C  C  S    C  C  C  S

$$

PRZ007-240815-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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                      69          87          68          88          67
TEMP          84 76 73 72 70 73 87 84 82 75 72 71 69 73 88 85 83 74 71 70 68 72
DEWPT         70 69 70 70 69 68 65 64 66 67 68 68 68 68 67 67 65 65 65 65 64 65
RH            63 79 90 93 97 84 48 51 58 76 87 90 97 84 50 55 55 74 81 84 87 79
WIND DIR      SE NE NE NE NE NE  E SE SE NE NE NE NE  E  E  E SE NE  E  E  E  E
WIND SPD      11  9  8  8  9 10 13 17 16  9  8  9  9 10 12 13 10  9  9  9  8  9
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW B1 B1 SC SC SC SC SC
POP 12HR                      0          10           0          40          30
QPF 12HR                      0        0.01           0        0.05        0.02
RAIN SHWRS     S                    S  S                    C  C  C  C  C  C  C
HEAT INDEX    88                89 85 84                91 88 85
MAX HEAT         91                89    87                91    90


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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      71    86      72    87      69    88      67    88
TEMP          84 76   73 75 84 77   74 76 85 75   71 74 85 74   70 72 86 76
DEWPT         64 69   70 66 61 65   67 66 66 66   67-100-100 66   65 64 64 66
PWIND DIR        NE      NE    NE      NE     E      NE     E      NE     E
WIND CHAR        BZ      BZ    BZ      GN    GN      GN    GN      LT    GN
AVG CLOUDS    SC SC   SC SC SC B1   SC SC SC B1   B1 SC SC SC   SC SC SC SC
POP 12HR         30      20    40      10    40      40    30      10    30
RAIN SHWRS     C  C    S  S  S  C    S  S  S  C    C  S  S  C    S  S  C  C

$$

PRZ008-240815-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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                      73          82          71          82          71
TEMP          79 76 76 75 73 74 82 82 78 74 75 74 71 73 82 82 78 74 75 74 71 73
DEWPT         70 71 71 71 70 70 70 70 70 69 68 68 68 69 70 70 69 69 69 68 67 67
RH            74 85 85 87 90 87 67 67 76 84 79 82 90 87 67 67 74 84 82 82 87 81
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E NE NE NE NE
WIND SPD      14 14 13 11 11 12 14 18 18 17 14 14 13 14 17 18 17 14 16 17 16 18
CLOUDS        SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC
POP 12HR                      5           5           5          30          20
QPF 12HR                      0           0           0        0.03        0.01
RAIN SHWRS     S                                            S  S  S  S  S  S  S
HEAT INDEX                      86 86                   86 86
MAX HEAT         83                86    85                86    85


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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          81      73    81      73    82      72    82      72    81
TEMP          81 76   75 74 81 76   75 74 82 75   74 74 82 75   74 73 81 77
DEWPT         69 70   70 69 68 66   66 67 70 68   67-100-100 68   68 68 68 69
PWIND DIR        NE      NE     E       E     E       E     E       E     E
WIND CHAR        BZ      BZ    BZ      BZ    BZ      BZ    BZ      GN    BZ
AVG CLOUDS    SC B1   SC SC SC SC   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      30    30      30    30      20    20      20    20
RAIN SHWRS     S  S    C  C  C  S    C  C  C  S    S  S  S  S    S  S  S  S

$$

PRZ010-240815-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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                      72          84          70          84          69
TEMP          76 75 74 74 72 73 81 81 75 73 73 72 70 71 81 81 75 72 72 71 69 70
DEWPT         72 72 71 71 71 70 69 69 70 69 68 69 69 69 69 69 68 68 68 67 66 67
RH            87 90 90 90 97 90 67 67 84 87 84 90 97 93 67 67 79 87 87 87 90 90
WIND DIR      SW NE NE NE NE  E  E  S  W NE NE NE NE  E  E  S  N NE NE NE NE NE
WIND SPD       4  5  9  9  9  9  6  6  5  5 10  9  9 10 10  6  6 10 11 10 11 12
CLOUDS        OV FW FW FW FW FW FW B1 B1 FW FW FW FW FW FW B1 B1 FW FW FW FW FW
POP 12HR                      0          50           0          50          10
QPF 12HR                      0        0.17           0        0.07        0.01
RAIN SHWRS     L                    C  C                    C  C  S  S  S  S  S
HEAT INDEX                      84 84                   84 84
MAX HEAT                           88                      88


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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          82      72    84      73    86      71    84      69    83
TEMP          80 74   73 73 82 76   75 74 83 74   73 72 81 72   71 70 81 75
DEWPT         70 70   70 68 66 66   66 66 69 68   68-100-100 68   67 65 66 68
PWIND DIR        NE      NE    NE       E     E       E     E       E    NE
WIND CHAR        BZ      GN    BZ      BZ    GN      GN    GN      LT    LT
AVG CLOUDS    FW SC   SC SC SC B1   SC SC SC B1   SC SC SC SC   SC SC SC B1
POP 12HR         30      20    30      20    40      40    30      10    30
RAIN SHWRS     S  C    S  S  S  C    S  S  S  C    C  S  S  C    S  S  C  C

$$

VIZ001-240815-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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          84          74          85          74
TEMP          80 77 76 76 76 77 83 84 80 76 76 75 75 77 84 85 81 77 76 75 75 76
DEWPT         70 70 70 68 68 69 70 70 70 70 70 68 68 68 68 68 68 68 67 66 66 66
RH            72 79 82 76 76 76 65 63 72 82 82 79 79 74 59 57 65 74 74 74 74 71
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE NE NE NE
WIND SPD      13 14 14 14 16 17 17 16 17 19 18 18 18 18 17 14 13 16 16 17 18 19
CLOUDS        SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     50          50          20          20          20
QPF 12HR                   0.04        0.03        0.01        0.01        0.01
RAIN SHWRS     C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    83                87 88 83                87 88 84
MAX HEAT         85                88    86                88    86


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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          83      73    84      73    84      74    84      74    84
TEMP          83 75   74 76 84 76   74 76 84 76   75 77 84 76   75 77 84 78
DEWPT         63 67   67 67 69 68   66 67 67 68   66-100-100 68   67 67 69 70
PWIND DIR        NE      NE    NE       E     E       E     E       E     E
WIND CHAR        BZ      WY    WY      WY    WY      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   SC SC SC B1   B1 B1 B1 B1   B1 B1 B1 SC   B1 B1 B1 SC
POP 12HR         30      40    40      30    40      40    30      30    30
RAIN SHWRS     S  C    C  C  C  C    C  C  C  C    C  C  C  S    C  C  C  S

$$

VIZ002-240815-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
434 PM AST Tue Jan 23 2018

DATE           01/23/18      WED 01/24/18            THU 01/25/18            FRI
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                      73          85          73          84          73
TEMP          81 76 76 75 74 77 85 85 81 76 76 75 74 76 84 84 81 76 75 74 74 76
DEWPT         69 72 72 72 72 70 67 66 68 69 70 71 70 70 71 73 71 70 69 67 67 68
RH            67 87 87 90 93 79 55 53 65 79 82 87 87 82 65 70 72 82 82 79 79 76
WIND DIR       E  E  E NE  E  E  E  E  E  E NE  E  E  E  E  E  E NE NE NE NE NE
WIND SPD      11 13 14 13 14 16 17 14 17 17 17 17 17 17 16 14 13 14 14 14 16 18
CLOUDS        SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     50          50          20          20          20
QPF 12HR                   0.01        0.01        0.01        0.01        0.01
RAIN SHWRS     C  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    84                88 87 84                89 90 85
MAX HEAT         86                88    86                90    89


DATE           01/26  SAT 01/27/18  SUN 01/28/18  MON 01/29/18  TUE 01/30/18
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    85      74    85      73    85      72    85
TEMP          84 76   74 77 85 77   75 77 85 76   75 77 85 75   74 76 85 80
DEWPT         71 71   71 69 65 65   64 67 74 71   70-100-100 71   70 69 70 71
PWIND DIR        NE      NE     E       E     E       E     E       E     E
WIND CHAR        BZ      WY    WY      WY    WY      WY    BZ      BZ    BZ
AVG CLOUDS    SC SC   B1 B1 B1 B1   B1 B1 B1 B1   B1 SC SC SC   B1 B1 SC SC
POP 12HR         30      30    40      20    40      40    20      30    30
RAIN SHWRS     S  C    C  C  C  C    S  S  S  C    C  S  S  S    C  C  C  S

$$


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