Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
336 AM EDT Mon Apr 24 2017

SCZ050-242100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      75          58          75          61          84
Temp          70 71 74 75 74 69 64 60 58 59 67 74 75 69 64 62 61 64 76 83 83 75
Dewpt         67 67 67 67 66 64 62 60 58 57 59 60 61 61 62 60 60 61 63 63 62 64
RH            90 87 79 76 76 84 93100100 93 75 62 62 76 93 93 97 90 64 51 49 69
Wind dir       S SE SE  S  S SW  W  W  W  W  W  W  W NW  W  W  W  W SW SW  S  S
Wind spd       9  9  9  9  6  5  5  6  8  9  9 11  9  5  4  2  3  1  4  4  9  6
Clouds        OV OV OV OV OV B1 B1 B1 B2 B2 B2 B2 B1 SC SC FW FW SC FW SC FW FW
PoP 12hr                    100          50          20           5           5
QPF 12hr                   1.79        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  D  D  D  L  C  C  C  C  S  S  S
Tstms          C  C  C  C  C
Coast Flood    Y  Y
Flash Flood    A  A  A  A  A


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          67    85      69    86      70    85      69    84
Temp          69 70 84 77   71 72 86 77   72 72 85 77   71 71 84 76
Dewpt         66 66 62 66   67 69 69 70   70 69 69 70   69 69 67 68
PWind dir         S     S       S     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   SC B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5    10      10    10       5    10

$$
GAZ118-242100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      79          56          78          61          85
Temp          69 66 71 77 78 70 64 59 57 58 68 75 78 71 65 64 61 63 77 84 85 76
Dewpt         66 65 63 59 56 56 56 56 55 55 58 59 60 60 61 60 59 60 61 61 61 63
RH            90 97 76 54 47 61 75 90 93 90 70 58 54 68 87 87 93 90 58 46 45 64
Wind dir       S SW  W  W  W  W  W  W  W  W  W NW  W NW  W SW SW SW SW  S  S  S
Wind spd       5  6  6  8  9  8  8  9  8 10 11 12 10  5  4  1  2  1  4  5  8  6
Clouds        B1 B2 B2 B1 SC SC SC B1 B2 B2 B1 B1 SC SC SC FW FW FW FW FW FW FW
PoP 12hr                     50          10          10           5           0
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C
Tstms          C  C  C


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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    86      68    89      70    88      69    86
Temp          66 65 85 78   70 70 88 80   71 71 87 79   71 70 85 77
Dewpt         63 60 63 65   66 67 68 69   69 68 68 69   69 68 66 66
PWind dir         S     S       S     S       S     S       S     S
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW SC   SC SC SC FW   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5     5       5     5       5     5

$$
SCZ050-242100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      74          60          75          64          81
Temp          71 71 73 74 74 69 65 62 60 61 68 74 74 69 66 65 64 66 76 81 81 75
Dewpt         68 68 68 67 65 63 62 60 59 59 59 61 61 62 62 62 61 62 64 64 64 65
RH            90 90 84 79 74 81 90 93 96 93 73 64 64 78 87 90 90 87 66 56 56 71
Wind dir       S SE SE  S  S SW  W  W  W  W  W  W  W NW  W NW  W  W SW SW  S  S
Wind spd      11 11 11 10  8  8  8  8  9 10 11 12 11  9  6  4  4  2  4  5 12 10
Clouds        OV OV OV OV OV B1 SC SC B1 B2 B2 B2 B1 SC SC FW FW SC FW SC FW FW
PoP 12hr                    100          40          20           5           5
QPF 12hr                   2.05        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  D  D  D  C  C  C  C  C  S  S  S
Tstms          C  C  C  C
Coast Flood    Y  Y
Flash Flood    A  A  A  A  A


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          70    81      72    83      73    82      72    81
Temp          71 71 81 76   72 73 83 76   73 73 82 76   72 72 81 75
Dewpt         67 67 64 67   69 70 71 70   71 71 70 71   70 70 69 68
PWind dir         S     S       S     S       S     S       S     S
Wind char        GN    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW FW FW   SC B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5    10      10    10       5    10

$$
SCZ048-242100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      77          58          77          61          84
Temp          71 69 75 77 77 71 64 60 59 59 68 74 77 70 66 64 62 65 77 83 82 75
Dewpt         68 67 66 63 61 59 58 59 57 57 58 59 60 61 62 61 61 61 62 61 61 64
RH            90 93 74 62 58 66 81 96 93 93 70 59 56 73 87 90 97 87 60 47 49 69
Wind dir       S  S SW SW  W  W  W  W  W  W  W NW  W NW  W  W  W  W SW  S  S  S
Wind spd       8  6  8  8  6  8  8  9  9 10 12 13  9  5  4  1  3  2  4  5  8  6
Clouds        OV OV OV B2 B1 B1 B1 B1 OV B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW
PoP 12hr                     60          30          10           5           0
QPF 12hr                   0.27           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  L  C  S  C  S  S
Tstms          C  C  C


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          66    85      70    87      71    86      70    85
Temp          70 70 84 77   71 72 86 78   72 72 85 77   72 72 84 77
Dewpt         65 63 62 66   67 69 68 69   70 70 68 69   70 69 66 67
PWind dir         S     S       S     S       S     S       S     S
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW FW SC   SC SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5    10       5     5       5    10

$$
SCZ043-242100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      75          55          75          58          85
Temp          69 67 73 75 73 67 62 58 56 57 65 72 75 69 63 59 58 61 75 83 84 76
Dewpt         67 67 67 65 64 62 60 58 56 56 58 59 60 61 61 58 58 59 62 60 60 63
RH            93100 81 71 73 84 93100100 96 78 64 60 76 93 96100 93 64 46 44 64
Wind dir      SE SE  S  S  W  W NW NW NW  W  W NW NW NW NW NW SW  S SW SW  S  S
Wind spd       5  5  6  5  5  4  5  5  8  8  9 10  8  4  3  1  1  1  4  4  5  5
Clouds        OV OV OV OV B2 B2 B1 B2 OV OV B2 B2 B1 SC SC SC FW FW FW SC FW FW
PoP 12hr                     90          50          20           5           5
QPF 12hr                   0.69        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  D  D  L  C  C  C  C  C  S  S
Tstms          C  C  C  C


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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          63    86      66    88      67    87      67    85
Temp          66 66 85 77   67 68 87 79   69 71 86 78   69 69 85 77
Dewpt         63 62 60 65   65 66 66 69   67 67 66 68   67 67 64 66
PWind dir         S     S       S     S       S     S       S     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW SC   B1 B1 SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5     5       5    10       5    10       5    10

$$
GAZ099-242100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
336 AM EDT Mon Apr 24 2017

Date             Mon 04/24/17            Tue 04/25/17            Wed 04/26/17
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                      77          56          80          59          88
Temp          64 61 68 76 75 70 63 58 56 57 68 75 80 75 66 63 60 61 77 85 87 80
Dewpt         64 61 60 57 55 56 57 57 56 57 58 58 58 60 60 59 58 59 60 58 57 60
RH           100100 76 52 50 61 81 96100100 70 55 47 60 81 87 93 93 56 40 36 51
Wind dir       W  W  W  W  W NW NW NW NW NW NW NW  W NW  W SW SW SW SW SW  S  S
Wind spd       4  5  5  9 10  8  6  9  8  9 12 11 10  4  4  1  1  1  4  5  5  3
Clouds        OV B2 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW
PoP 12hr                     40          10           5           5           5
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  S  S
Tstms          C  C  S


Date          Thu 04/27/17  Fri 04/28/17  Sat 04/29/17  Sun 04/30/17
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    87      65    92      67    91      67    89
Temp          65 63 85 79   68 68 89 84   70 70 90 83   69 69 87 81
Dewpt         59 60 62 64   65 66 64 66   66 67 64 66   66 67 61 63
PWind dir         S    SW       S     S      SE    SE      SE     S
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW SC B1   B1 SC SC SC   SC SC SC SC   SC SC SC SC
PoP 12hr          5    10      10    10       5     5       5     5

$$

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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