Point Forecast Matrices
Issued by NWS San Juan, PR

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FOCA52 TJSJ 171651
PFMSJU

POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
1251 PM AST TUE JAN 17 2017

PRZ001-180830-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N  66.00W ELEV. 9 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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          81          70          81          70
TEMP          79 73 73 73 73 75 79 81 80 74 73 71 70 75 80 81 80 74 72 71 71 74
DEWPT         66 67 67 66 66 66 66 64 62 62 62 62 60 61 60 61 61 61 60 59 59 60
RH            64 81 81 79 79 74 64 56 54 66 68 73 71 62 51 51 52 64 66 66 66 62
WIND DIR      NE  E  E  E NE NE NE NE NE  E  E  E  S SE NE NE NE SE  S  S  S SE
WIND SPD      14 13 13 14 13 14 13 12 10  8  6  6  6  5 10 10 10  6  4  4  3  2
CLOUDS        SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR                     30          30          10          10          10
QPF 12HR                   0.09        0.03        0.01        0.02           0
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                         83 81                81 82 81
MAX HEAT         84                83    82                82    82


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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      70    81      71    83      72    83      72    86
TEMP          80 73   71 76 81 77   72 73 81 73   73 75 83 74   72 76 85 76
DEWPT         60 62   60 62 63 65   63 63 66 66   66 65 65 65   65 68 67 63
PWIND DIR        NE       E    NE      NE    NE      NE    NE      SE    SE
WIND CHAR        LT      LT    LT      LT    GN      LT    GN      LT    GN
AVG CLOUDS    FW SC   SC SC SC SC   SC SC B1 B1   SC SC SC SC   B1 B1 B1 SC
POP 12HR         20      30    30      30    30      20    20      40    40
RAIN SHWRS     S  S    C  C  C  S    C  C  C  C    S  S  S  S    C  C  C  S

$$

PRZ002-180830-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N  65.63W ELEV. 39 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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                      71          81          66          82          66
TEMP          79 75 72 72 74 76 81 81 79 74 72 70 68 73 79 81 78 71 68 67 66 72
DEWPT         66 67 67 66 66 66 66 64 63 62 62 62 61 61 60 60 61 62 63 64 63 63
RH            64 76 84 81 76 71 60 56 58 66 71 76 78 66 52 49 56 73 84 90 90 73
WIND DIR      NE NE NE NE NE NE NE NE NE NE NE NE NE NE  E  E  E NE NE  N  N NE
WIND SPD      16 14 16 16 17 16 14 12 11  9  9  9  8  8  9  8  8  6  5  5  4  5
CLOUDS        SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR                     30          30          20          20          10
QPF 12HR                   0.09        0.03        0.01        0.02           0
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                      83 83                      82
MAX HEAT         83                84    83                82    82


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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          80      65    80      68    81      69    82      70    83
TEMP          80 70   68 75 80 76   70 74 81 71   73 75 82 75   75 76 83 77
DEWPT         60 61   62 63 62 65   63 63 64 66   67 66 64 65   66 68 64 62
PWIND DIR        NE      NE    NE       N    NE      NE     E       E    SE
WIND CHAR        LT      LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC B1   SC SC SC SC   B1 B1 B1 SC
POP 12HR         20      10    10      10    30      30    30      40    40
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    C  C  C  S    C  C  C  S

$$

PRZ007-180830-
MERCEDITA AIRPORT-PONCE PR
18.02N  66.56W ELEV. 26 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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                      63          80          60          81          61
TEMP          77 66 64 63 63 67 77 80 77 65 61 61 60 63 78 80 74 64 64 61 61 65
DEWPT         61 64 64 63 63 64 62 60 59 60 59 60 59 59 53 55 61 62 61 60 60 60
RH            58 93100100100 90 60 51 54 84 93 97 96 87 42 42 64 93 90 97 97 84
WIND DIR      NE NE NE NE NE  E NE  E NE NE  E NE NE NE  E SE SE  N  N  N  N NE
WIND SPD      16 10 10 10  9 11 12 11 11 11  9  9 10  9  8 10  6  5  9  9  9  8
CLOUDS        SC FW FW FW SC SC SC SC SC FW FW FW FW FW FW SC SC CL CL CL CL CL
POP 12HR                     20          20           5          20          10
QPF 12HR                   0.02        0.03           0        0.03           0
RAIN SHWRS     S           S  S  S  S  S                    S  S  S  S  S  S  S
HEAT INDEX                         82                      80
MAX HEAT         81                82    81                81


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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      60    81      62    81      62    82      63    84
TEMP          80 63   66 70 81 65   62 66 81 64   65 68 82 66   64 70 84 65
DEWPT         51 62   61 59 59 63   62 59 59 64   65 65 65 66   63 66 60 61
PWIND DIR        SE      NE    SE       N    SE      NE     E       E    SE
WIND CHAR        LT      LT    LT      LT    LT      LT    GN      LT    LT
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    10      10    10      20    30      20    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  C  C    S  S  S  S

$$

PRZ008-180830-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N  67.13W ELEV. 237 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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          80          71          81          71
TEMP          78 73 73 73 73 73 78 80 77 74 72 72 71 72 79 81 79 76 75 72 71 72
DEWPT         66 67 66 66 66 66 66 65 63 63 62 62 62 61 60 62 63 63 62 62 61 61
RH            67 81 79 79 79 79 67 60 62 69 71 71 73 68 52 53 58 64 64 71 71 68
WIND DIR      NE NE NE NE NE NE NE NE NE  E  E  E  E  E  E NE NE  E  E  E  E  E
WIND SPD      19 18 18 17 17 17 17 16 13 11 10 10  9  8 10 12 10  9  6  6  8  6
CLOUDS        FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL
POP 12HR                     20          10           5          10          10
QPF 12HR                   0.05        0.02           0        0.02           0
RAIN SHWRS     S  S  S  S  S  S  S  S  S                    S  S  S  S  S  S  S
HEAT INDEX                         81                      82
MAX HEAT                           81                      82    82


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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          79      70    81      70    81      70    81      70    82
TEMP          79 73   71 71 81 75   71 72 81 75   72 71 81 75   71 71 82 76
DEWPT         59 63   63 62 63 64   62 62 65 67   66 65 65 66   67 65 68 67
PWIND DIR        NE       E    NE       E    NE       E     E      SE     W
WIND CHAR        GN      LT    GN      LT    LT      GN    GN      LT    LT
AVG CLOUDS    FW FW   SC SC SC SC   SC SC SC B1   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    10      10    30      20    20      20    30
RAIN SHWRS     S  S    S  S  S  S    S  S  C  C    S  S  S  S    S  S  S  C

$$

PRZ010-180830-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N  67.15W ELEV. 28 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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                      67          81          66          83          66
TEMP          79 70 69 67 67 69 80 81 80 71 68 67 66 69 81 83 77 71 73 67 66 68
DEWPT         64 66 66 65 65 65 63 64 62 62 61 61 61 61 54 58 60 62 62 62 62 61
RH            60 87 90 93 93 87 56 56 54 73 78 81 84 76 39 43 56 73 68 84 87 78
WIND DIR      NE NE NE NE  E  E NE NE NE  E  E  E  E  E  E SW  W  E  E  E  E  E
WIND SPD      18 12 10  9 10 12 13 13 11 11 12 11 10  9  6  9  8  6  8  8  8  6
CLOUDS        FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC CL CL CL CL CL
POP 12HR                     10          20           5          30          10
QPF 12HR                   0.03        0.02           0        0.08           0
RAIN SHWRS     S  S  S  S           S  S                    C  C  S  S  S  S  S
HEAT INDEX                      81 84 81                81 84
MAX HEAT         83                84    84                84    82


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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      65    84      66    82      68    84      68    86
TEMP          82 69   66 70 84 75   68 70 82 75   69 71 84 76   68 73 86 73
DEWPT         58 63   62 61 62 65   63 61 61 67   66 66 65 67   66 66 66 65
PWIND DIR         N       E     N      NE     W       E     E       E    SE
WIND CHAR        LT      GN    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         40      10    10      10    20      20    30      20    30
RAIN SHWRS     C  C    S  S  S  S    S  S  S  S    S  S  C  C    S  S  S  C

$$

VIZ001-180830-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N  64.97W ELEV. 23 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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          82          70          82          70
TEMP          82 75 72 82 82 82 82 82 82 82 82 72 72 82 82 82 82 82 82 70 70 70
DEWPT         66 67 67 67 66 66 66 65 64 64 64 64 62 61 61 62 64 65 65 65 64 63
RH            58 76 84 61 58 58 58 56 55 55 55 76 71 49 49 51 55 56 56 84 81 78
WIND DIR      NE NE NE NE NE NE NE NE NE NE  E NE NE NE  E  E  E  E NE  E NE NE
WIND SPD      18 19 19 20 20 19 16 13 12 12 11 10 10 11 10  8  8  9  9  8  8  9
CLOUDS        SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC FW FW FW FW FW FW FW
POP 12HR                     30          20          20          20          20
QPF 12HR                   0.09        0.01        0.01        0.02        0.01
RAIN SHWRS     S  C  C  C  S  S  S        S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    84       85 84 84 84 84 83 83 83       83 83 83 83 84 84
MAX HEAT         85    85    85    84    84    83    83    83    84    85


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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      69    81      71    82      72    82      73    83
TEMP          80 80   80 70 70 79   79 79 73 73   82 73 82 78   74 80 80 83
DEWPT         61 61   61 62 62 64   62 63 65 67   65 64 64 64   66 67 66 63
PWIND DIR        NE      NE    NE       N    NE      NE     E       E    SE
WIND CHAR        LT      LT    LT      LT    LT      GN    GN      GN    GN
AVG CLOUDS    FW SC   SC SC SC SC   SC SC SC B1   SC SC SC SC   B1 B1 B1 SC
POP 12HR         20      10    10      30    30      30    30      40    40
RAIN SHWRS     S  S    S  S  S  S    C  C  C  C    C  C  C  S    C  C  C  S

$$

VIZ002-180830-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N  64.80W ELEV. 74 FT
1251 PM AST TUE JAN 17 2017

DATE           01/17/17      WED 01/18/17            THU 01/19/17            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                      70          82          67          82          68
TEMP          81 82 77 71 71 80 80 80 74 74 74 68 69 81 66 66 66 77 77 77 77 77
DEWPT         68 68 68 68 68 68 68 67 68 68 68 68 67 67 66 66 66 68 67 67 67 67
RH            65 63 74 90 90 67 67 65 82 82 82100 93 63100100100 74 71 71 71 71
WIND DIR      NE NE NE NE NE  E  E NE NE NE NE NE NE NE  E  E  E NE NE NE NE NE
WIND SPD      18 18 18 18 18 19 18 14 13 13 13 12 12 12 12 10 10  9  9  8  9  9
CLOUDS        FW FW FW FW SC SC SC FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC
POP 12HR                     30          30          20          20          20
QPF 12HR                   0.04        0.03        0.01        0.02        0.01
RAIN SHWRS     S  S  S  S  C  C  C  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
HEAT INDEX    84 85          83 83 82                83
MAX HEAT         86    84    83    84                83    85          85


DATE           01/20  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
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      66    82      67    82      68    83      72    84
TEMP          77 79   66 66 66 82   70 70 80 80   69 76 83 74   72 72 71 84
DEWPT         66 66   62 62 61 63   64 61 61 64   68 67 66 69   68 65 63 64
PWIND DIR        NE      NE    NE      NE     N      NE     E      SE    SE
WIND CHAR        GN      GN    LT      LT    LT      GN    GN      GN    GN
AVG CLOUDS    SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
POP 12HR         20      10    10      10    10      20    20      20    20
RAIN SHWRS     S  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S  S

$$



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