Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
749 AM EDT Sun Sep 22 2024

SCZ050-222000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      90          71          90          71          89
Temp             68 82 89 87 79 75 73 72 72 83 89 87 79 76 74 73 73 82 87 85 78
Dewpt            68 68 69 70 70 71 71 70 71 69 68 70 70 70 70 70 71 71 69 70 70
RH              100 63 52 57 74 87 93 93 97 63 50 57 74 82 87 90 93 69 55 61 76
Wind dir         NW  W SW  S  S  S  S SW SE  S SE SE SE  S  N  N  N  S  S  S  S
Wind spd          1  2  2  5  5  2  3  2  3  4  5 10  8  2  0  0  0  5  6 10  8
Clouds           FW FW FW FW FW FW FW SC FW SC FW FW SC FW FW SC FW SC SC FW FW
PoP 12hr                     10          10          10           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             94 92                   93 92                   91 90
Max heat               94    94                94    94                91    92


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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          71    88      72    86      71    83      70    82
Temp          74 73 86 78   74 74 84 77   74 73 81 76   73 70 80 75
Dewpt         71 71 70 71   71 71 71 72   71 72 71 71   71 69 69 69
PWind dir         S    SE      SE    SE      SE    SE      SE     E
Wind char        LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW SC SC   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr          5    10      20    30      40    50      40    40
Rain shwrs                   S  S  S  C    C  C  C  C    C  C  C  C

$$
GAZ118-222000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      91          72          91          72          90
Temp             68 82 89 89 79 75 74 72 72 83 91 89 81 77 75 74 72 83 88 87 80
Dewpt            67 68 68 68 69 69 70 68 68 70 70 70 71 71 71 70 71 72 72 71 72
RH               97 63 50 50 72 82 87 87 87 65 50 54 72 82 87 87 97 70 59 59 77
Wind dir         NW NW NW  S  S  S  S SW SW SW  S SE SE  S  S  N  N  S SE SE SE
Wind spd          1  2  1  5  5  3  2  2  2  4  5  6  5  2  1  0  0  4  5  8  5
Clouds           FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW
PoP 12hr                      5           5           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             93 93                   97 94                   95 93
Max heat               93    94                97    97                95    95


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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          73    88      74    85      73    81      71    82
Temp          75 73 86 79   76 74 83 78   76 74 81 77   74 71 80 76
Dewpt         71 71 72 72   72 72 74 73   73 72 75 73   71 70 71 70
PWind dir        SE    SE      SE    SE      SE    SE       S     S
Wind char        LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW SC B1   B1 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr          5    10      20    40      40    50      40    40
Rain shwrs                   S  S  C  C    C  C  C  C    C  C  C  C

$$
SCZ050-222000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      88          72          87          75          86
Temp             72 81 87 85 78 75 74 73 73 82 87 85 79 76 75 75 75 82 85 84 78
Dewpt            69 69 69 70 71 72 71 71 71 72 73 73 73 72 72 71 72 73 74 73 73
RH               90 67 55 61 79 90 90 93 93 72 63 67 82 87 90 87 90 74 70 70 85
Wind dir         NW NW  S  S  S  S  S SW SW SE SE SE SE  S  S  S SW  S  S  S  S
Wind spd          2  2  5  8  6  3  3  2  2  4  6  9  5  4  2  2  2  5  8  9  5
Clouds           FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW SC FW FW SC FW FW
PoP 12hr                     10          10           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             91                      94 91                   93 90
Max heat               91    91                94    94                93    93


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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          75    85      75    84      74    82      72    81
Temp          75 75 84 78   76 75 83 78   76 75 81 77   75 73 80 75
Dewpt         72 73 74 74   73 74 76 75   74 74 75 73   73 71 73 72
PWind dir         S    SE      SE    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW SC SC   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr          5    10      20    30      40    40      40    40
Rain shwrs                   S  S  S  C    C  C  C  C    C  C  C  C

$$
SCZ048-222000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      90          72          90          74          89
Temp             69 82 89 87 79 76 74 73 73 83 89 88 80 77 76 75 74 82 87 86 78
Dewpt            68 69 69 69 70 71 71 70 70 71 72 73 73 73 71 71 72 73 74 73 73
RH               97 65 52 55 74 85 90 90 90 67 57 61 79 87 85 87 93 74 65 65 85
Wind dir         NW  W  S  S  S  S SW SW SW SW SE SE SE  S  S  S  N  S  S  S SE
Wind spd          1  2  2  6  5  3  3  2  2  3  4  5  4  2  1  1  0  4  5  6  4
Clouds           FW FW FW FW SC FW FW SC SC FW FW FW FW FW FW SC FW FW FW FW FW
PoP 12hr                     10          10           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             94 91                   96 96                   95 93
Max heat               94    94                96    98                95    96


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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          74    87      74    85      73    81      71    82
Temp          75 74 86 78   76 75 83 77   76 74 80 77   74 71 80 75
Dewpt         72 72 74 74   73 73 76 74   73 73 75 73   72 71 73 72
PWind dir         S    SE      SE    SE      SE    SE      SE     E
Wind char        LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    FW FW SC B1   B1 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1 B1
PoP 12hr          5    10      20    40      40    40      40    40
Rain shwrs                   S  S  S  C    C  C  C  C    C  C  C  C

$$
SCZ043-222000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      89          69          89          70          87
Temp             66 82 89 89 79 74 71 70 70 83 89 89 80 75 73 72 72 82 87 85 77
Dewpt            66 69 69 69 71 69 69 68 69 69 68 68 70 71 70 70 71 71 69 69 71
RH              100 65 52 52 77 84 93 93 97 63 50 50 72 87 90 93 97 69 55 59 82
Wind dir          W  W  W  S  S  S  S  S  S  S  S SE SE  S  N  N  N  S  S  S  S
Wind spd          1  2  2  2  4  2  2  2  2  4  4  5  5  1  0  0  0  4  5  6  5
Clouds           FW FW FW FW SC FW FW SC SC FW FW SC FW FW FW SC SC SC SC FW FW
PoP 12hr                     20          10          10           0          10
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S
Tstms                      S
Heat index             94 94                   93 93                   91
Max heat               94    94                93    93                91    90


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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    86      70    83      70    79      68    79
Temp          71 71 86 76   72 72 83 75   72 72 79 74   71 69 79 72
Dewpt         70 71 69 71   70 71 71 72   71 72 70 71   70 69 68 69
PWind dir         S    SE      SE    SE      SE    SE      SE     E
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    FW SC SC SC   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1
PoP 12hr          5    10      20    40      40    40      30    40
Rain shwrs                   S  S  S  C    C  C  C  C    C  C  C  C

$$
GAZ099-222000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
749 AM EDT Sun Sep 22 2024

Date             Sun 09/22/24            Mon 09/23/24            Tue 09/24/24
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                      92          71          93          71          92
Temp             66 83 91 92 83 77 74 72 72 84 92 92 83 78 75 73 72 83 90 90 80
Dewpt            66 68 68 67 70 68 68 67 66 68 68 68 70 69 69 68 69 70 69 68 70
RH              100 61 47 44 65 74 82 84 81 59 46 46 65 74 82 84 90 65 50 49 72
Wind dir          N  W  W SW  S  S  S  S  S SW SW  S SE  S  N  N  N  S  S  S SE
Wind spd          0  2  2  3  3  2  3  2  2  3  3  3  2  1  0  0  0  3  4  5  4
Clouds           CL FW FW FW FW FW FW FW FW FW FW SC SC FW FW SC FW FW FW FW FW
PoP 12hr                     10           5           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Heat index             95 96                   96 96                   95 94
Max heat               95    96                96    97                95    95


Date          Wed 09/25/24  Thu 09/26/24  Fri 09/27/24  Sat 09/28/24
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    90      71    85      71    80      69    81
Temp          73 71 88 79   74 73 83 77   74 72 80 76   72 69 79 73
Dewpt         70 70 68 70   71 71 71 72   72 71 72 72   71 68 68 69
PWind dir         S    SE      SE    SE      SE     S      SE    SE
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    FW FW SC SC   B1 B1 B2 B2   B2 B2 B1 B1   B1 B1 SC SC
PoP 12hr          5    20      20    40      40    40      40    40
Rain shwrs              S    S  S  C  C    C  C  C  C    C  C  C  C

$$

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