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Issued by NWS San Juan, PR

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FOCA52 TJSJ 200821
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
421 AM AST Sun Jan 20 2019

PRZ001-202015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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          84          74          82
TEMP          72 74 82 83 81 78 76 75 73 75 83 83 81 79 77 76 74 75 81 81 79 77
DEWPT         69 69 69 69 69 69 68 68 69 69 68 67 68 70 70 69 69 69 69 69 70 70
RH            90 84 65 63 67 74 76 79 87 82 61 59 65 74 79 79 84 82 67 67 74 79
WIND DIR      SE  E  E  E  E  E SE SE SE SE  E  E  E  E  E  E  E NE  E  E  E  E
WIND SPD      10 10 14 16 14 10  9  8  6  5 11 13 13 10 10 10 11 13 16 16 14 16
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                     20          30          30          20          20
QPF 12HR                   0.03        0.07        0.04        0.03        0.04
RAIN SHWRS     S  S  S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          87 89                   86 87 84                85 85 83
MAX HEAT               89    88                88    87                87    85


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    83      72    84      73    85      73    84
TEMP          75 75 82 77   74 74 83 78   75 75 84 78   75 75 83 77
DEWPT         70 70 68 69   69 69 69 68   69 69 69 69   68 69 69 69
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    GN      GN    GN      GN    GN
AVG CLOUDS    SC SC B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    40      40    30      20    20      30    30
RAIN SHWRS     S  C  C  C    C  C  C  S    S  S  S  S    S  C  C  S

$$

PRZ002-202015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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          74          83
TEMP          72 75 81 81 78 76 75 73 72 75 82 82 80 77 76 75 74 77 82 83 80 78
DEWPT         69 69 69 70 70 70 69 69 70 70 70 69 69 69 69 69 69 69 70 70 70 70
RH            90 82 67 69 76 82 82 87 93 84 67 65 69 76 79 82 84 76 67 65 72 76
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 13 12 13 12 11 11 11 11 11 11 11 11 12 14 14 14 16 16
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          30          20          20
QPF 12HR                   0.04        0.08        0.05        0.04        0.04
RAIN SHWRS     S  S  S  S  S  C  C  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          84 87                   86 85                   87 88 85
MAX HEAT               87    86                87    85                88    87


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    83      73    83      74    83      71    83
TEMP          76 77 82 77   74 76 82 77   75 77 82 75   72 74 82 75
DEWPT         70 70 69 69   68 69 69 69   70 69 70 69   68 69 70 69
PWIND DIR        NE     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      GN    BZ      GN    GN
AVG CLOUDS    SC SC B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC B1 SC
POP 12HR         50    50      40    30      30    30      40    40
RAIN SHWRS     S  C  C  C    C  C  C  C    C  C  C  C    S  C  C  S

$$

PRZ007-202015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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          66          87          67          85
TEMP          67 69 85 83 82 76 71 69 68 70 87 85 84 77 72 70 69 70 85 84 82 76
DEWPT         65 67 67 66 66 67 67 67 66 67 65 63 65 68 68 67 67 67 65 64 65 67
RH            93 93 55 57 58 74 87 93 93 90 48 48 53 74 87 90 93 90 51 51 56 74
WIND DIR      NE NE  E SE SE NE NE NE NE NE SE SE SE NE NE NE NE  E NE  E  E NE
WIND SPD      10 10 12 16 13  9  8  9  9  9 11 12 14  8  9  9  9  9 13 14 14  9
CLOUDS        SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC SC SC
POP 12HR                     10          10          20          10          10
QPF 12HR                      0        0.02        0.04        0.02        0.01
RAIN SHWRS     S              S  S  S  S  S  S  S  S  S  S  S  S        S  S  S
HEAT INDEX          86 88                   89 88 86                87 86 85
MAX HEAT               88    86                89    87                88    86


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    87      66    88      67    89      66    88
TEMP          70 71 85 77   69 70 86 78   70 71 87 78   70 70 85 77
DEWPT         67 67 64 66   66 65 67 66   66 66 63 67   66 66 63 67
PWIND DIR        NE     E      NE     E      NE     E      NE     E
WIND CHAR        GN    BZ      GN    GN      LT    GN      LT    LT
AVG CLOUDS    SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20    30      10    10      10    20      20    20
RAIN SHWRS     S  S  C  C    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-202015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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                      80          70          80          73          81
TEMP          71 72 80 80 78 74 72 72 71 72 80 80 78 76 74 74 73 75 81 81 79 76
DEWPT         68 68 68 69 69 69 69 68 67 67 67 67 69 70 69 68 68 68 69 70 70 69
RH            90 87 67 69 74 84 90 87 87 84 65 65 74 82 84 82 84 79 67 69 74 79
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE NE
WIND SPD      12 13 14 17 16 13 12 12 11 11 12 13 12 11 12 12 13 16 19 21 20 20
CLOUDS        FW SC SC SC SC SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     20          10          30          20          10
QPF 12HR                   0.04        0.01        0.13        0.03        0.02
RAIN SHWRS        S  S  S  S  S  S              C  C  S  S  S  S  S  S  S  S  S
HEAT INDEX             84                   83 83                   84 85
MAX HEAT               84    83                83    83                85    85


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    81      71    82      72    82      72    80
TEMP          74 74 81 75   73 74 82 76   74 74 82 76   73 73 80 75
DEWPT         69 69 69 69   68 67 69 69   68 68 69 69   69 68 69 69
PWIND DIR        NE     E       E     E       E     E       E    NE
WIND CHAR        BZ    BZ      BZ    GN      GN    GN      LT    GN
AVG CLOUDS    SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC B1
POP 12HR         20    20      10    30      10    30      30    40
RAIN SHWRS     S  S  S  S    S  S  C  C    S  S  C  C    C  C  C  C

$$

PRZ010-202015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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                      80          67          81          69          82
TEMP          68 69 79 78 76 72 71 70 68 69 80 79 77 73 72 71 69 71 81 80 78 75
DEWPT         66 67 68 68 68 68 68 67 67 67 66 66 68 69 69 68 67 67 67 68 68 68
RH            93 93 69 71 76 87 90 90 97 93 62 64 74 87 90 90 93 87 63 67 71 79
WIND DIR       E  E  E  W SW NE  E  E NE NE SW  W NE NE  E  E NE NE NE NE NE NE
WIND SPD      10  9  6  5  4  3  8  8  8  6  3  5  4  5  8 11 12 12 16 18 20 14
CLOUDS        FW SC SC SC SC FW FW FW FW FW FW B1 B1 SC SC FW FW FW FW SC SC SC
POP 12HR                     30           5          50          20          20
QPF 12HR                   0.11           0        0.21        0.01        0.02
RAIN SHWRS        S  S  C  C                    C  C  S  S              S  S  S
HEAT INDEX             84                   84 82                   85 84
MAX HEAT               84                      84    82                85    83


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    83      68    84      69    84      68    82
TEMP          73 72 81 74   71 71 82 75   72 72 82 74   71 71 80 73
DEWPT         68 68 69 67   66 66 67 68   67 67 65 68   67 67 65 68
PWIND DIR        NE    NE       E    SE       E    SE       E    NE
WIND CHAR        BZ    BZ      GN    GN      GN    GN      LT    LT
AVG CLOUDS    SC SC SC SC   FW FW SC SC   SC SC SC SC   SC SC SC B1
POP 12HR         10    40      10    30      10    30      20    50
RAIN SHWRS     S  S  C  C    S  S  C  C    S  S  C  C    S  S  C  C

$$

VIZ001-202015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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          73          84
TEMP          73 76 82 84 84 78 76 74 74 77 82 83 83 78 76 74 74 77 82 84 84 78
DEWPT         69 69 69 69 70 70 70 69 68 68 69 70 70 69 69 69 69 69 70 70 70 70
RH            87 79 65 61 63 76 82 84 82 74 65 65 65 74 79 84 84 76 67 63 63 76
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      16 17 18 16 16 16 16 16 14 13 13 13 13 13 14 14 16 17 17 17 18 19
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          20          20          10
QPF 12HR                   0.03        0.05        0.03        0.04        0.02
RAIN SHWRS     S  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          84 87                   84 87 87                86 88 88
MAX HEAT               87    85                87    87                88    88


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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      73    83      74    84      73    82
TEMP          74 77 84 78   74 77 83 78   75 78 84 78   74 76 82 77
DEWPT         70 69 69 68   68 68 67 69   69 69 69 68   69 69 69 68
PWIND DIR        NE     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    SC SC B1 B1   B1 B1 SC SC   SC SC SC SC   SC SC B1 SC
POP 12HR         50    50      40    30      30    30      40    40
RAIN SHWRS     S  C  C  C    C  C  C  C    C  C  C  C    S  C  C  C

$$

VIZ002-202015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
421 AM AST Sun Jan 20 2019

DATE             SUN 01/20/19            MON 01/21/19            TUE 01/22/19
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          72          84          71          84
TEMP          72 75 82 82 80 75 74 73 73 76 83 83 80 75 73 72 72 75 83 83 81 75
DEWPT         70 70 70 70 71 71 71 70 70 71 71 71 71 71 70 70 70 71 71 71 71 71
RH            93 84 67 67 74 87 90 90 90 85 67 67 74 87 90 93 93 87 67 67 72 87
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E NE  E  E NE  E  E  E  E NE
WIND SPD      14 14 17 16 14 14 13 13 13 12 13 12 12 12 13 13 14 16 17 18 18 18
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          20          20          10
QPF 12HR                   0.03        0.05        0.03        0.04        0.02
RAIN SHWRS     S  S  S  S  S  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          86 88                   86 88 83                88 89 85
MAX HEAT               88    87                88    88                89    89


DATE          WED 01/23/19  THU 01/24/19  FRI 01/25/19  SAT 01/26/19
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    85      74    85      73    85      71    84
TEMP          73 76 84 77   75 78 84 76   74 77 84 75   72 75 83 75
DEWPT         71 70 70 69   68 70 69 70   70 70 70 69   70 70 70 69
PWIND DIR        NE     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      WY    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC B1 B1   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40    40      20    30      30    30      40    40
RAIN SHWRS     S  C  C  C    S  S  S  C    C  C  C  C    S  C  C  C

$$



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