Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
305 AM EDT Sun Apr 23 2017

SCZ050-232100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          76          59          76
Temp          70 72 79 84 81 74 71 70 68 69 73 76 74 68 63 61 59 60 68 75 75 69
Dewpt         67 68 66 65 65 66 66 66 66 66 67 66 65 63 62 60 59 58 60 61 62 62
RH            90 87 64 53 58 76 84 87 93 90 81 71 74 84 97 97100 93 76 62 64 78
Wind dir       S  S  S  S  S SE  S  S  S  S  S  E SE  W  W  W  W  W  W  W  W  W
Wind spd       6  6  8 12 14 11 12 11 10  9  5  6  6  5  4  6  5  8  6 10  8  5
Clouds        SC B1 SC SC SC B2 OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 B1 B1 SC SC
PoP 12hr                     20         100         100          60          20
QPF 12hr                   0.05        1.06        1.62        0.13           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  S  C  L  D  D  D  D  D  D  L  L  C  C  S  S  S  S
Tstms             S  S  S  S  C  L  S  S  S  C  C  C  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          60    84      66    85      68    86      69    85
Temp          62 63 83 75   68 69 84 76   69 71 86 77   71 71 85 77
Dewpt         60 60 63 64   65 65 63 65   67 68 68 69   69 69 69 69
PWind dir         W    SW       S     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC FW   FW FW FW FW   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5    10       5    10

$$
GAZ118-232100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          65          75          57          80
Temp          68 69 80 85 82 74 69 67 66 65 70 75 75 68 62 59 57 59 68 77 80 72
Dewpt         65 64 63 62 64 65 65 64 63 63 63 61 59 58 58 57 57 56 59 60 61 60
RH            90 84 56 46 55 74 87 90 90 93 78 62 58 70 87 93100 90 73 56 52 66
Wind dir       S SW  S  S  S SE  S  S SW SW  W  W  W  W  W  W NW  W  W NW  W NW
Wind spd       5  5  8 12 16 12 13 10  8  6  5  6  6  8  6  9  8 10  8 12  8  5
Clouds        FW FW SC SC B1 B2 OV OV OV OV B2 B2 B1 B1 SC B1 B1 B1 B1 SC SC SC
PoP 12hr                     20          60          50          20           5
QPF 12hr                   0.03        0.37        0.36           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  L  L  L  C  C  C  C  S  S  S  S
Tstms                   S  S  C  L  S  S  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          61    85      63    86      67    88      69    87
Temp          63 64 84 77   66 64 85 78   70 69 87 79   71 70 87 77
Dewpt         59 60 61 62   62 59 63 65   65 66 66 68   67 67 68 68
PWind dir         W     S       S     S       S     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      GN    GN
Avg clouds    FW FW FW FW   FW FW FW FW   SC SC FW FW   SC SC SC SC
PoP 12hr          5     5       5    10       5     5       5    10

$$
SCZ050-232100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          75          62          74
Temp          71 72 78 81 79 74 72 71 70 70 72 75 74 68 65 63 62 62 69 74 74 69
Dewpt         69 69 68 67 68 68 68 68 67 67 67 67 65 63 62 61 60 60 61 62 63 62
RH            93 90 71 63 69 82 87 90 90 90 84 76 74 84 90 93 93 93 76 66 69 78
Wind dir      SW  S  S  S  S SE  S  S  S  S  S  E  S  W  W  W  W  W  W  W  W  W
Wind spd       9  8 10 13 14 12 14 13 13 13  8 11  8  6  6  8  9 10  8 11  9  8
Clouds        SC B1 SC SC SC B2 OV OV OV OV OV OV B2 B2 B1 B1 B1 B2 B1 B1 SC SC
PoP 12hr                     20         100         100          60          20
QPF 12hr                   0.04        1.01        1.91        0.11        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S  C  L  D  D  D  D  D  D  L  L  C  C  S  S  S  S
Tstms                S  S  S  C  L  S  S  S  C  C  C  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          64    81      69    82      71    82      72    82
Temp          65 66 80 75   70 70 81 75   71 72 82 76   73 72 82 76
Dewpt         62 62 64 65   67 66 65 67   68 70 69 70   70 70 70 70
PWind dir         W    SW       S     S       S     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC SC FW   FW FW FW FW   SC SC SC FW   SC SC SC SC
PoP 12hr          5     5       5     5       5    10       5    10

$$
SCZ048-232100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          76          59          78
Temp          70 71 79 84 80 74 72 70 68 68 72 75 74 68 63 62 60 60 68 75 77 70
Dewpt         67 67 65 64 65 66 66 66 65 65 64 62 62 60 60 59 58 58 58 59 60 61
RH            90 87 62 51 60 76 81 87 90 90 76 64 66 76 90 90 93 93 70 58 56 73
Wind dir      SW SW  S  S  S  S  S  S  S SW  E SW  W NW  W  W NW  W  W  W  W NW
Wind spd       8  6  8 11 13 11 13 11  9  6  5  4  5  9  6  8  8 10  8 11  8  5
Clouds        SC SC SC SC SC B2 OV OV OV OV OV B2 B2 B1 B1 B1 B1 B2 B1 B1 SC SC
PoP 12hr                     20          80          70          40          10
QPF 12hr                   0.02        1.00        0.65        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  C  L  D  D  L  L  C  C  C  C  C  C
Tstms                      S  C  L  S  S  S  S  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          61    84      65    85      69    87      70    86
Temp          65 65 83 75   69 68 84 76   70 71 86 77   72 72 85 77
Dewpt         60 61 61 63   65 61 62 65   67 67 66 68   69 69 67 69
PWind dir         W     S       S     S       S     S       S     S
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC SC FW   FW FW FW FW   SC SC SC FW   SC SC SC SC
PoP 12hr          5     5       5     5       5    10       5    10

$$
SCZ043-232100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          65          75          56          76
Temp          68 70 79 85 82 73 69 68 65 66 70 75 74 67 61 58 56 57 65 74 76 70
Dewpt         65 65 64 62 64 65 64 63 63 64 64 64 62 62 59 57 56 56 59 59 61 61
RH            90 84 60 46 55 76 84 84 93 93 81 69 66 84 93 96100 96 81 59 60 73
Wind dir       S  S  S  S  S SE SE  S  S  S  E NE NW  W  W  W NW NW  W  W  W NW
Wind spd       4  4  6 10 12  9 10  9  6  5  5  5  6  5  4  5  6  8  6 10  8  4
Clouds        SC SC SC B1 B1 B2 OV OV OV OV OV B2 B2 B2 B1 B2 B2 B2 B1 B1 SC SC
PoP 12hr                     30          90          70          40          10
QPF 12hr                   0.05        1.38        0.73        0.11           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  L  D  D  L  L  L  L  C  C  C  C
Tstms                   S  C  C  L  S  S  S  S  S  S  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          58    84      62    86      66    88      67    87
Temp          60 61 82 75   65 65 84 77   66 69 87 79   70 70 86 77
Dewpt         58 58 60 62   62 61 60 64   64 64 65 67   66 66 66 67
PWind dir        NW    SW       S     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC FW   FW FW FW FW   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5    10       5    10

$$
GAZ099-232100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
305 AM EDT Sun Apr 23 2017

Date             Sun 04/23/17            Mon 04/24/17            Tue 04/25/17
EDT 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          60          74          56          80
Temp          67 67 78 86 83 74 67 64 62 60 67 74 74 68 62 59 58 58 69 76 80 74
Dewpt         62 61 60 59 60 61 62 62 60 60 60 56 56 57 58 57 56 57 58 59 58 60
RH            84 81 54 40 46 64 84 93 93100 78 53 53 68 87 93 93 96 68 56 47 62
Wind dir       S SW SW  S  S  S  S SW  W  W  W  W  W NW NW NW NW NW NW NW  W NW
Wind spd       4  4  9 12 12 11  9  6  6  8  6  6  9  8  8  9  8  8  9 11  9  5
Clouds        FW FW FW B1 B2 OV OV B2 B2 OV B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC FW
PoP 12hr                     40          70          40          20           5
QPF 12hr                   0.13        0.95        0.09           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  L  L  C  C  C  C  C  S  S
Tstms                   S  C  C  L  S  S  S  S  S  S


Date          Wed 04/26/17  Thu 04/27/17  Fri 04/28/17  Sat 04/29/17
EDT 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          59    87      61    86      65    91      67    91
Temp          62 61 86 79   65 63 83 80   68 68 89 83   69 69 89 82
Dewpt         58 59 57 58   58 59 62 64   63 64 62 65   65 66 63 65
PWind dir         W     S       S     S       S     S      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW FW   FW FW FW SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5    10      10    10      10    10

$$

PRODUCT KEY...

--- Cloud Cover ---
CODE   PERCENTAGE            SKY COVER DAY/NIGHT
 CL    0 TO <=5 percent      Sunny/Clear
 FW    >5 TO <=25 percent    Sunny/Mostly Clear
 SC    >25 TO <=50 percent   Partly Cloudy
 B1    >50 TO <=69 percent   Mostly Cloudy
 B2    >69 TO <=87 percent   Mostly Cloudy
 OV    >87 TO 100 percent    Cloudy

--- Obstructions to Visibility ---    --- Weather Coverage ---
CODE   TYPE                           CODE   QUALIFYING TERM
 F     Fog                             S     Slight
 PF    Patchy Fog                      C     Chance
 F+    Dense Fog                       L     Likely
 PF+   Patchy Dense Fog                O     Occasional
 H     Haze                            D     Definite
 BS    Blowing Snow
 K     Smoke
 BD    Blowing Dust
 AF    Volcanic Ashfall

--- Extended Wind Forecast Character ---
                           12-HR MAX SUSTAINED
CODE   WIND CHARACTER          WIND SPEED
 LT    Light                   < 8 mph
 GN    Gentle                  8-14 mph
 BZ    Breezy                  15-22 mph
 WY    Windy                   23-30 mph
 VW    Very Windy              31-39 mph
 SD    Strong/Damaging         >=40 mph

$$




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