Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 170742
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
342 AM AST Sun Feb 17 2019

PRZ001-172015-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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                      87          73          85          74          84
TEMP          73 79 85 87 82 78 76 74 73 78 83 85 81 78 76 75 74 78 83 84 80 78
DEWPT         72 73 72 71 71 72 72 72 71 70 67 65 69 67 67 69 69 68 67 69 70 71
RH            97 82 65 59 69 82 87 93 93 76 59 51 67 69 74 82 84 71 59 61 72 79
WIND DIR       S SE  E  E  E  E SE SE SE  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD       5  5 10 13 13  9  8  8  9 12 14 16 16 11 12 13 13 14 17 17 17 16
CLOUDS        SC SC SC SC SC FW FW SC SC FW FW SC SC FW FW SC SC SC SC SC SC SC
POP 12HR                     10          20          10          30          30
QPF 12HR                   0.03        0.03        0.02        0.05        0.12
RAIN SHWRS     S  S  S  S  S  S  S  S  S        S  S        C  C  S  S  C  C  S
HEAT INDEX          91 93 86                86 87 84                86 88 83
MAX HEAT               93    91                87    87                88    88


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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          74    84      74    84      74    85      74    83
TEMP          75 78 84 78   75 78 84 78   75 79 85 78   75 78 83 77
DEWPT         70 69 66 69   68 67 70 69   69 69 69 70   71 68 67 66
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      GN    BZ      GN    GN      GN    GN
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
POP 12HR         40    40      20    20      20    40      40    40
RAIN SHWRS     S  C  C  S    S  S  S  S    S  S  S  C    C  C  C  S

$$

PRZ002-172015-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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          72          83          74          84
TEMP          72 77 82 84 79 76 74 73 72 77 82 83 80 77 76 75 74 78 83 84 81 78
DEWPT         72 72 72 72 72 72 72 71 70 69 65 67 68 66 67 69 68 67 68 69 70 71
RH           100 85 72 67 79 87 93 93 93 76 56 59 67 69 74 82 82 69 61 61 69 79
WIND DIR       E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE  E
WIND SPD       8 10 10 12 11 11 10 11 12 14 14 16 16 13 14 16 16 16 17 16 16 17
CLOUDS        B1 SC SC FW FW FW FW SC SC FW FW SC SC FW FW SC SC SC SC SC SC SC
POP 12HR                     20          20          20          30          30
QPF 12HR                   0.02        0.02        0.03        0.05        0.12
RAIN SHWRS     C  S  S              S  S        S  S        C  C  S  S  C  C  S
HEAT INDEX          87 90                   84 86 83                86 88 85
MAX HEAT               90    90                86    86                88    88


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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    84      74    83      74    84      73    84
TEMP          76 79 84 78   75 78 83 77   75 78 84 77   74 78 84 78
DEWPT         69 68 67 69   68 68 70 69   69 69 69 71   71 68 67 66
PWIND DIR         E     E       E     E       E     E      NE     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    GN      BZ    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
POP 12HR         40    40      20    20      20    40      40    40
RAIN SHWRS     S  C  C  S    S  S  S  S    S  S  S  C    C  C  C  S

$$

PRZ007-172015-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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                      86          68          89          67          88
TEMP          70 77 84 86 79 74 72 70 68 76 86 89 80 75 71 69 67 76 85 88 80 75
DEWPT         69 70 70 68 69 71 72 70 68 69 66 58 65 66 66 66 67 67 63 63 65 68
RH            97 79 63 55 72 90100100100 79 51 35 60 74 84 90100 74 48 43 60 79
WIND DIR      NE NE SE SE SE NE NE NE NE  E  E SE  E NE NE NE NE NE  E  E  E NE
WIND SPD       8  8 11 14 13  8  8  9  9 11 16 17 17 11 11 11 10 14 16 18 16 10
CLOUDS        SC FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW
POP 12HR                     10           5           5           5          10
QPF 12HR                   0.04           0           0           0        0.02
RAIN SHWRS     S        S  S                                      S  S  S  S  S
HEAT INDEX          88 89                   88    82                86 89 82
MAX HEAT               90    88                89    87                89    88


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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    86      67    87      67    87      67    85
TEMP          69 75 86 74   69 75 87 74   69 75 87 74   69 74 85 73
DEWPT         69 67 61 66   66 65 66 67   66 66 65 66   69 67 64 64
PWIND DIR        NE     E      NE     E      NE     E      NE     E
WIND CHAR        GN    BZ      GN    GN      GN    GN      LT    GN
AVG CLOUDS    FW SC SC SC   FW FW FW FW   SC SC FW FW   FW FW FW FW
POP 12HR         20    20      10    20      20    10      10    10
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ008-172015-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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          71          82          73          82
TEMP          73 77 80 82 78 75 73 72 71 76 81 82 79 76 75 74 73 77 81 82 79 76
DEWPT         69 69 70 72 73 73 73 71 70 70 69 65 67 70 68 68 68 69 67 68 69 70
RH            87 76 72 72 85 94100 97 97 82 67 56 67 82 79 82 84 76 63 63 72 82
WIND DIR      SE  E NE NE  E  S SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E
WIND SPD       6  6  9 10  8  6  8 11 12 13 17 18 20 19 17 16 14 14 18 20 21 19
CLOUDS        FW CL CL SC SC SC SC FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW
POP 12HR                     30          10          10           5          10
QPF 12HR                   0.05        0.01        0.01           0        0.02
RAIN SHWRS              C  C  S  S              S  S              S  S  S  S  S
HEAT INDEX          83 87                   84 84                   83 85
MAX HEAT               87    85                85    84                85    85


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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    81      73    83      73    82      73    80
TEMP          74 76 81 76   74 77 83 77   74 77 82 76   74 76 80 76
DEWPT         71 69 67 68   68 68 70 68   68 68 70 70   71 69 68 67
PWIND DIR         E     E       E     E       E     E       E     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC FW FW FW   FW FW SC SC   FW FW FW FW   FW FW SC FW
POP 12HR         10    10      20    20      10    10      20    20
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

PRZ010-172015-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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          69          85          70          84
TEMP          70 76 82 84 78 74 72 70 69 76 83 85 79 75 73 71 70 76 82 84 79 75
DEWPT         69 69 69 71 73 73 72 70 69 69 67 61 62 68 68 67 68 68 66 64 68 69
RH            97 79 65 65 85 97100100100 79 59 45 56 79 84 87 93 76 58 51 69 82
WIND DIR      NE NE NW  W  W  W  E NE  E  E  E  E  E  E  E  E  E  E  E NE NE NE
WIND SPD       6  4  4  5  5  3  5  6  8  9 11  8  9 10 13 14 12 12 12 12 14 14
CLOUDS        FW CL CL B2 B2 SC SC FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW
POP 12HR                     60           5          20           5          10
QPF 12HR                   0.20        0.01        0.10           0        0.02
RAIN SHWRS              L  L  S  S              S  S              S  S  S  S  S
HEAT INDEX          85 89                   86 85                   84 85
MAX HEAT               89    90                86    84                85    85


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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    82      70    84      70    83      70    81
TEMP          71 75 82 74   71 76 84 75   71 75 83 75   71 75 81 74
DEWPT         70 69 65 67   67 67 69 68   67 67 70 68   70 68 68 66
PWIND DIR        NE    NE       E     E       E     E       E    NE
WIND CHAR        GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    FW FW FW SC   FW FW FW SC   FW FW FW FW   FW FW FW FW
POP 12HR         10    20      10    20      10    10      10    10
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$

VIZ001-172015-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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          73          85          73          85
TEMP          75 78 82 83 79 77 75 74 73 78 83 85 80 77 75 74 73 78 83 85 81 78
DEWPT         72 73 73 73 73 73 72 72 71 68 68 70 68 68 70 70 69 69 70 70 72 71
RH            90 85 74 72 82 87 90 93 93 71 61 61 67 74 84 87 87 74 65 61 74 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      11 12 13 13 13 13 13 14 16 16 17 18 18 19 19 19 18 18 18 18 19 19
CLOUDS        SC SC SC FW FW FW FW SC SC FW FW SC SC FW FW SC SC SC SC SC SC SC
POP 12HR                     20          10          10          20          20
QPF 12HR                   0.02        0.02        0.01        0.02        0.04
RAIN SHWRS     S  S  S        S  S  S  S        S  S        S  S  S  S  S  S  S
HEAT INDEX          87 89                   86 90 83                87 90 85
MAX HEAT               89    89                90    90                90    90


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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          74    84      74    85      73    85      73    84
TEMP          75 78 84 78   75 79 85 77   74 78 85 77   74 78 84 77
DEWPT         70 69 69 68   68 69 69 69   68 69 70 71   70 68 67 67
PWIND DIR         E     E       E     E       E     E      NE     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC FW
POP 12HR         20    20      20    20      20    20      40    40
RAIN SHWRS     S  S  S  S    S  S  S  S    S  S  S  S    S  C  C  S

$$

VIZ002-172015-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
342 AM AST Sun Feb 17 2019

DATE             SUN 02/17/19            MON 02/18/19            TUE 02/19/19
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          73          84          72          86
TEMP          73 78 83 85 80 77 75 74 73 78 83 84 79 76 74 73 72 78 84 86 81 78
DEWPT         73 73 73 73 73 72 72 71 70 67 69 70 70 70 71 71 70 70 71 71 71 71
RH           100 85 72 67 79 85 90 90 90 69 63 63 74 82 90 93 93 76 65 61 72 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      10 11 12 12 12 12 13 13 14 16 18 18 19 18 20 19 18 18 19 18 17 18
CLOUDS        SC SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW
POP 12HR                     20           5          10          20          20
QPF 12HR                   0.02        0.01        0.01        0.02        0.04
RAIN SHWRS     S  S  S        S  S              S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX          89 92 84                87 88                   89 91 85
MAX HEAT               92    92                88    88                91    90


DATE          WED 02/20/19  THU 02/21/19  FRI 02/22/19  SAT 02/23/19
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    86      73    86      73    85      73    84
TEMP          74 78 86 78   74 78 86 78   74 78 85 77   74 78 84 76
DEWPT         70 69 70 71   68 71 71 70   70 70 70 72   72 69 69 68
PWIND DIR         E     E       E     E       E     E      NE     E
WIND CHAR        BZ    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    FW SC SC SC   SC SC SC SC   SC SC SC FW   SC SC SC FW
POP 12HR         40    40      20    20      20    20      20    20
RAIN SHWRS     S  C  C  S    S  S  S  S    S  S  S  S    S  S  S  S

$$


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