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Issued by NWS San Juan, PR

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FOCA52 TJSJ 180740
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
340 AM AST Thu Jan 18 2018

PRZ001-182030-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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          76 77 80 80 79 77 76 76 75 77 80 80 79 77 77 76 76 77 80 80 78 77
DEWPT         70 71 71 71 71 71 70 70 70 70 71 72 72 72 71 71 70 70 70 71 70 70
RH            82 82 74 74 77 82 82 82 84 79 74 77 79 85 82 85 82 79 72 74 76 79
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       6  8 11 12 10  8  6  6  5  8 10 13 11 11 11 12 11 11 13 14 13 13
CLOUDS        B1 B1 B1 B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     30          20          20          20          30
QPF 12HR                   0.02        0.01        0.03        0.02        0.04
RAIN SHWRS     C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S
HEAT INDEX          83 83                   83 84                   83 83
MAX HEAT               83    83                84    84                83


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    84      74    85      74    85      74    84
TEMP          76 77 80 77   76 77 79 77   77 77 80 77   76 77 80 77
DEWPT         70 70 70 69   70 71 71 71   71 71 70 71   70 70 70 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    BZ      GN    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC B1   SC SC SC SC   B1 B1 B1 B1
POP 12HR         10    10      20    40      20    20      30    30
RAIN SHWRS     S  S  S  S    S  S  S  C    S  S  S  S    C  C  C  C

$$

PRZ002-182030-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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                      84          73          83          75          84
TEMP          75 76 79 79 79 76 76 76 75 76 79 80 78 76 76 76 76 76 80 79 78 76
DEWPT         71 71 72 72 72 71 71 71 71 71 73 73 73 72 71 71 70 71 71 72 71 70
RH            87 85 79 79 79 85 85 85 87 85 82 79 85 87 85 85 82 85 74 79 79 82
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       9  9 11 11 10  8  8  9  9  9 11 13 12 11 12 12 12 12 13 13 13 14
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC B1
POP 12HR                     30          20          30          30          30
QPF 12HR                   0.02        0.01        0.03        0.02        0.05
RAIN SHWRS     C  C  C  C  C  S  S  S  S  S  S  C  C  C  C  S  S  C  C  S  S  S
HEAT INDEX                                     84                   83
MAX HEAT                                       84                      83


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    84      75    84      74    84      74    83
TEMP          76 77 80 76   76 77 80 76   77 76 79 77   76 77 79 76
DEWPT         70 70 70 69   70 71 73 71   71 71 71 71   71 70 71 71
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    GN      GN    GN      GN    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B2 B1   B1 B1 B1 B2   B1 B1 B1 SC   B1 B1 B2 B1
POP 12HR         20    20      30    30      40    60      50    50
RAIN SHWRS     S  S  S  S    C  C  C  S    C  C  C  S    C  C  C  C

$$

PRZ007-182030-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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                      84          68          87          68          87
TEMP          70 72 83 83 77 73 71 70 70 74 83 84 79 72 72 72 71 73 84 85 78 72
DEWPT         68 68 68 69 69 69 68 68 68 69 68 68 69 69 69 69 68 68 66 67 68 68
RH            93 87 61 63 76 87 90 93 93 84 61 59 72 90 90 90 90 84 55 55 71 87
WIND DIR      NE NE  E SE SE  E NE NE NE NE  E  E  E NE NE NE NE NE  E  E  E NE
WIND SPD       4  4  6  8  5  4  4  4  4  4  9 10  8  5  5  6  5  5 10 11  9  6
CLOUDS        SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC
POP 12HR                     20          20          30          30          20
QPF 12HR                   0.01        0.01        0.03        0.02        0.03
RAIN SHWRS        S  S  S  S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S
HEAT INDEX          86 87                   86 87                   86 88
MAX HEAT               87    84                87    85                88    86


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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          67    85      69    87      69    87      69    87
TEMP          70 72 85 72   71 74 83 73   72 75 84 72   71 74 85 72
DEWPT         67 67 66 67   67 68 69 69   68 69 67 68   68 68 66 68
PWIND DIR        NE     E      NE     E       E     E      NE     E
WIND CHAR        LT    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
POP 12HR         10    10      10    40      20    20      10    10
RAIN SHWRS     S  S  S  S    S  S  S  C    S  S  S  S    S  S  S  S

$$

PRZ008-182030-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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          73          81          71          84
TEMP          75 75 79 81 78 77 76 76 75 76 79 80 79 77 76 76 76 76 80 81 79 77
DEWPT         69 69 70 71 72 71 71 70 70 70 70 72 72 71 71 71 70 70 70 71 71 70
RH            82 82 74 72 82 82 85 82 84 82 74 77 79 82 85 85 82 82 72 72 77 79
WIND DIR       E  E  E NE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E
WIND SPD      10  9  9 10 11 12 11  9  8  8 10 13 14 16 17 17 17 16 16 18 19 17
CLOUDS        SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR                     20          20          30          30          20
QPF 12HR                   0.01        0.01        0.04        0.02        0.03
RAIN SHWRS        S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S
HEAT INDEX          86 87                   83 85                   87 90
MAX HEAT               87    86                85    84                90    89


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    82      73    82      73    82      73    82
TEMP          76 75 82 77   76 76 81 78   76 76 80 77   76 76 81 77
DEWPT         69 69 71 69   69 69 71 72   70 70 71 70   70 70 71 70
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      GN    GN      GN    BZ      BZ    BZ
AVG CLOUDS    SC SC FW SC   FW FW FW SC   SC SC SC SC   SC SC SC SC
POP 12HR         10    20      10    40      20    40      10    20
RAIN SHWRS     S  S  S  S    S  S  S  C    S  S  S  S    S  S  S  S

$$

PRZ010-182030-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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          70          84          69          83
TEMP          72 73 81 81 77 75 74 73 72 73 80 82 79 75 74 74 74 74 81 84 79 75
DEWPT         68 68 68 71 70 70 70 69 68 69 69 70 71 70 70 70 69 69 69 69 71 70
RH            87 84 65 72 79 84 87 87 87 87 69 67 77 84 87 87 84 84 67 61 77 84
WIND DIR       E  E  E  N  E  E  E  E  E  E  E NE  E  E  E  E  E  E  E NE NE  E
WIND SPD       5  5  4  3  3  5  6  5  5  5  4  4  8  9 10 10 10 10 10  9 11 10
CLOUDS        FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC FW FW SC SC SC
POP 12HR                     20          10          40          40          20
QPF 12HR                   0.01        0.01        0.04        0.03        0.03
RAIN SHWRS        S  S  S  S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S
HEAT INDEX          84 85                   83 86                   84 88
MAX HEAT               85    83                86    85                88    86


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    80      70    82      70    83      70    83
TEMP          73 73 84 75   73 74 81 76   73 75 80 75   73 74 83 75
DEWPT         68 68 70 68   68 68 70 70   69 69 70 69   69 69 70 69
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        GN    LT      LT    LT      LT    GN      GN    LT
AVG CLOUDS    SC FW FW B2   FW FW FW SC   SC SC SC SC   SC SC SC B1
POP 12HR         10    30      10    40      20    60      10    30
RAIN SHWRS     S  S  S  C    S  S  S  C    S  S  S  S    S  S  C  C

$$

VIZ001-182030-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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                      84          74          84          74          84
TEMP          78 78 79 79 79 79 78 78 78 79 79 79 79 79 78 78 78 78 78 79 79 78
DEWPT         71 71 71 71 71 71 71 71 71 71 71 72 72 72 71 71 70 70 70 70 70 70
RH            79 79 77 77 77 77 79 79 79 77 77 79 79 79 79 79 76 76 76 74 74 76
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 16 16 13 12 12 13 14 16 16 16 16 16 16 17 17 17 17 18 17 18 18
CLOUDS        B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR                     20          20          20          10          30
QPF 12HR                   0.01        0.01        0.02        0.01        0.03
RAIN SHWRS     C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    86      74    85      74    85      74    85
TEMP          78 78 78 79   78 79 79 79   79 79 78 79   78 78 78 78
DEWPT         70 70 69 70   71 71 71 71   71 71 70 71   70 70 70 71
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 SC   B1 B1 B1 B1
POP 12HR         20    10      20    20      40    40      20    20
RAIN SHWRS     S  S  S  S    S  S  S  S    C  C  C  S    S  S  S  S

$$

VIZ002-182030-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
340 AM AST Thu Jan 18 2018

DATE             THU 01/18/18            FRI 01/19/18            SAT 01/20/18
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                      84          73          85          73          85
TEMP          79 79 79 80 80 80 80 79 79 79 80 80 80 80 80 79 79 79 79 80 79 80
DEWPT         71 72 72 72 72 72 72 72 72 72 73 72 72 73 73 72 71 71 71 71 71 71
RH            77 79 79 77 77 77 77 79 79 79 79 77 77 79 79 79 77 77 77 74 77 74
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      12 13 13 12 12 13 13 14 14 16 17 16 16 17 17 18 19 16 16 18 18 20
CLOUDS        SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1
POP 12HR                     20          20          20          20          30
QPF 12HR                   0.01        0.01        0.02        0.02        0.03
RAIN SHWRS     S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  C  C  S  S  S
HEAT INDEX             84 84 84 84          84 84 84 84 84             83    83
MAX HEAT               84    84    84          84    84    84          83    83


DATE          SUN 01/21/18  MON 01/22/18  TUE 01/23/18  WED 01/24/18
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    86      75    86      73    85      74    85
TEMP          79 80 79 80   79 79 79 80   80 79 79 80   79 79 80 80
DEWPT         71 71 70 71   72 72 72 72   72 72 71 71   71 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    B1 SC SC B1   B1 B1 B1 B1   B1 B1 B1 SC   SC SC B1 B1
POP 12HR         20    10      40    40      40    40      10    30
RAIN SHWRS     S  S  S  S    C  C  C  S    C  C  C  S    S  S  S  C

$$


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