Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 140213
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Point Forecast Matrices
National Weather Service Charleston SC
1013 PM EDT Wed Aug 13 2025

SCZ050-140800-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      76          90          76          92          76
Temp                80 78 77 78 87 90 89 82 79 79 77 78 87 92 91 85 79 78 76 77
Dewpt               76 76 76 76 75 75 76 76 76 76 76 76 75 75 76 76 76 76 75 75
RH                  88 94 97 94 68 62 66 82 91 91 97 94 68 58 62 75 91 94 97 94
Wind dir            SW SW SW SW SW SW  S  S SW SW  W  W NW  W  S  S SW  W  N  N
Wind spd             5  5  4  5  9 11 12  9  6  5  4  4  5  4  5  4  2  2  2  4
Clouds              SC SC B1 SC SC SC B1 B1 SC SC SC SC FW SC SC SC SC SC SC SC
PoP 12hr                     20          60          30          40          30
QPF 12hr                      0        0.08        0.15        0.04        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  L  C  C              C  C  C  C  S  S  C
Tstms                            S  C  L  C  C              C  C  C  C  S  S  C
Heat index                      96101100                96103103 94
Max heat                          101   101               103   105    91


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          89      74    89      72    91      74    89      73    90
Temp          89 82   77 75 89 82   75 75 90 82   76 75 89 82   76 75 89 82
Dewpt         74 75   74 73 70 72   72 72 71 72   72 72 71 72   72 71 71 73
PWind dir        NE      NE    NE      NE     E       E    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr         60      20    30       5    20       5    30      10    30
Rain shwrs     C  L    S     S  C             S             C             C
Tstms          C  L    S     S  C             S             C             C

$$
GAZ118-140800-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      76          92          76          94          76
Temp                80 79 77 76 87 92 91 84 80 79 77 77 88 94 92 85 80 79 76 78
Dewpt               77 76 75 76 77 78 78 78 76 76 75 76 78 77 77 78 77 76 75 76
RH                  91 91 94100 72 64 66 82 88 91 94 97 72 58 62 80 91 91 97 94
Wind dir             S SW SW SW SW SW SW  S SW SW  W  W NW  W  S  S SW  W NW  N
Wind spd             5  4  4  4  6  9  8  4  3  3  3  3  3  3  4  2  2  1  2  2
Clouds              B2 B1 SC FW SC B1 B1 B1 SC SC SC FW SC SC B1 SC SC SC SC SC
PoP 12hr                     20          50          20          40          30
QPF 12hr                      0        0.22        0.03        0.04        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S              C  C  S  S              C  C  C  C        S
Tstms                S              C  C  S  S              C  C  C  C        S
Heat index                      99107106 95            102109106 97
Max heat                          107   106    90         109   109    93


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          92      74    89      72    92      73    92      74    92
Temp          92 82   77 76 89 83   75 74 92 82   76 75 92 83   77 76 92 83
Dewpt         77 77   75 75 74 74   72 72 73 73   72 72 74 73   73 72 74 74
PWind dir        NE      NE     E      NE     E       E    NE      NE    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   B1 SC SC SC   FW FW FW FW   FW FW FW SC   FW FW FW SC
PoP 12hr         60      20    40       5    20       5    30      10    30
Rain shwrs     S  L    S     S  C             S             C             C
Tstms          S  L    S     S  C             S             C             C

$$
SCZ050-140800-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      78          89          77          92          76
Temp                81 80 79 80 87 89 88 82 80 79 77 79 87 91 89 84 80 79 76 78
Dewpt               78 78 78 78 78 78 79 78 78 78 77 77 78 78 79 79 78 78 76 77
RH                  91 94 97 94 75 70 75 88 94 97100 94 75 66 73 85 94 97100 97
Wind dir            SW SW SW SW SW  S  S  S SW SW  W  W NW  S  S  S SW  W NW  N
Wind spd             8  6  5  5  9 12 12  9  6  5  4  4  5  5  5  4  3  2  2  3
Clouds              SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     20          60          40          40          30
QPF 12hr                      0        0.04        0.04        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  C  C  C              C  C  C  C  C  C  C
Tstms                            S  C  C  C  C              C  C  C  C  C  C  C
Heat index                     100103103 91            100106105 96
Max heat                          103   105               106   108    92


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          88      76    88      75    89      75    89      75    90
Temp          88 82   78 76 88 82   76 76 89 82   77 77 89 82   77 76 89 82
Dewpt         77 77   76 74 73 74   74 74 74 74   74 74 75 75   74 73 74 75
PWind dir        NE      NE    NE      NE     E       E    NE      NE     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC   SC SC SC FW   FW FW FW FW   FW FW FW FW   FW FW FW SC
PoP 12hr         50      20    30       5    10      10    30      20    30
Rain shwrs     C  C    S     S  C                           C    S        C
Tstms          C  C    S     S  C                           C    S        C

$$
SCZ048-140800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      76          90          76          92          75
Temp                80 79 78 78 86 89 88 83 80 79 77 78 86 92 90 84 80 78 76 77
Dewpt               77 77 76 76 77 78 78 78 77 76 76 76 78 78 78 78 77 76 75 76
RH                  91 94 94 94 75 70 72 85 91 91 97 94 77 64 68 82 91 94 97 97
Wind dir             S SW SW SW SW SW  S  S SW SW  W  W NW  W  S  S SW  W NW  N
Wind spd             5  5  4  4  8 10  9  5  4  3  3  3  3  3  4  2  2  2  2  2
Clouds              B1 SC B1 SC FW B1 B1 SC SC SC SC SC FW SC SC SC B1 SC B1 SC
PoP 12hr                     20          60          20          30          30
QPF 12hr                      0        0.17        0.02        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S           C  C  S  S              C  C  C  C  S  S  S
Tstms                   S           C  C  S  S              C  C  C  C  S  S  S
Heat index                      97103102 93             98107105 95
Max heat                          103   103               107   107    91


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          90      74    89      72    90      73    90      74    90
Temp          89 81   77 75 88 81   76 75 90 81   76 75 89 81   77 75 89 81
Dewpt         77 77   74 74 73 74   72 72 73 73   72 73 74 74   73 73 74 74
PWind dir         E      NE     E      NE     E       E    NE      NE    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   B1 SC SC SC   FW FW FW FW   FW FW FW SC   FW FW FW SC
PoP 12hr         60      20    40       5    20       5    30      10    30
Rain shwrs     S  L    S     S  C             S             C             C
Tstms          S  L    S     S  C             S             C             C

$$
SCZ043-140800-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      74          87          74          91          73
Temp                78 77 75 76 85 87 87 82 78 77 75 77 87 91 91 83 78 76 74 76
Dewpt               76 76 75 76 76 76 76 77 76 76 75 76 76 76 75 77 77 75 74 75
RH                  94 97100100 75 70 70 85 94 97100 97 70 62 60 82 97 97100 97
Wind dir             S SW SW SW SW SW SW  S SW SW  W  W NW NW  N SE SW NW  N  N
Wind spd             3  2  2  3  6  9  8  4  2  2  2  2  3  3  3  2  1  1  1  2
Clouds              SC B1 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC SC
PoP 12hr                     20          70          20          40          20
QPF 12hr                      0        1.34        0.08        0.05        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S        C  L  L  S  S              C  C  S  S        S
Tstms                S  S        C  L  L  S  S              C  C  S  S        S
Heat index                      94 98 98 90             98103102 92
Max heat                           98    98               103   103


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          88      72    88      70    90      71    89      71    87
Temp          88 81   74 74 88 81   73 73 90 82   73 73 89 81   73 73 87 81
Dewpt         75 75   74 73 70 72   72 72 71 73   72 72 71 73   73 72 72 73
PWind dir        NE       E    NE       E    NE       E    NE      SW     N
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC SC   FW FW FW FW   FW FW FW SC   SC FW SC SC
PoP 12hr         60      10    30       5    10       5    30      10    20
Rain shwrs     S  L             C                           C             S
Tstms          S  L             C                           C             S

$$
GAZ099-140800-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1013 PM EDT Wed Aug 13 2025

Date           08/13/25      Thu 08/14/25            Fri 08/15/25            Sat
EDT 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                      74          92          75          94          75
Temp                79 77 76 76 84 90 91 85 79 77 75 76 87 94 92 86 79 76 75 76
Dewpt               75 75 74 74 75 76 75 75 76 75 74 74 75 75 74 76 76 75 75 75
RH                  88 94 94 94 74 64 60 72 91 94 97 94 68 54 56 72 91 97100 97
Wind dir             S  S SW SW SW SW  W  W SW SW  W  W NW NW NW SW  S SW NW  N
Wind spd             2  2  3  4  6  8  6  2  2  2  2  2  3  4  3  1  1  1  1  2
Clouds              B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC FW FW SC
PoP 12hr                     40          50          10          30          20
QPF 12hr                   0.14        0.07           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C        S  S  C  C                    C  C  S  S
Tstms                C        S  S  C  C                    C  C  S  S
Heat index                      92102102 94             96106102 96
Max heat                          102   103               106   106    91


Date           08/16  Sun 08/17/25  Mon 08/18/25  Tue 08/19/25  Wed 08/20/25
EDT 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          92      73    91      71    93      72    93      73    92
Temp          92 83   75 74 90 83   73 73 92 85   74 74 92 84   75 75 91 83
Dewpt         75 75   74 74 72 72   72 72 71 71   71 71 71 72   71 71 72 73
PWind dir        NE       E    NE       E    NE       S    NE       S    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW SC SC
PoP 12hr         60      20    30       5    10       5    20      10    20
Rain shwrs        L    S        C                           S             S
Tstms             L    S        C                           S             S

$$

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