Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
1245 PM EDT Wed May 22 2024

SCZ050-230745-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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          67          90          70          91
Temp                   87 86 78 70 68 67 73 86 90 87 79 72 70 70 74 85 91 88 80
Dewpt                  60 62 62 66 66 65 69 68 68 67 68 69 69 70 71 71 70 69 71
RH                     40 45 58 87 93 93 87 55 49 52 69 90 97100 90 63 50 54 74
Wind dir               SE SE  S  S  S  S SW  S  S  S  S  S  S  S SW SW SW  S  S
Wind spd                5  8  8  4  2  2  3  5  9 11  8  5  2  2  3  6  9 10  8
Clouds                 SC SC FW FW FW SC SC FW SC SC FW FW SC SC SC SC SC SC SC
PoP 12hr                      0           0          10           5          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  S
Tstms                                                                   S  S  S
Obvis                                 PF
Heat index                                     94 90                90 97 92
Max heat                                       94    93                97    96


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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    93      72    93      74    93      73    92
Temp          72 74 92 84   73 75 93 82   76 76 92 84   75 75 91 81
Dewpt         71 71 70 72   71 71 72 73   74 72 72 73   73 73 70 70
PWind dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT    GN      LT    LT      GN    GN      LT    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   B1 B1 SC SC
PoP 12hr         20    20      10    30      20    30      30    30
Rain shwrs     S  S     S          S  C    S     S  C    C  S  C  C
Tstms          S  S     S          S  C    S     S  C    C  S  C  C

$$
GAZ118-230745-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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          68          91          70          92
Temp                   86 87 79 72 69 68 72 84 91 88 81 74 72 70 73 85 91 90 84
Dewpt                  64 65 66 68 69 67 69 68 68 68 68 69 69 68 69 69 67 67 69
RH                     48 48 64 87100 97 90 59 47 52 65 84 90 93 87 59 45 47 61
Wind dir               SE SE SE  S  S SW  S  S  S  S  S  S  S  S SW SW SW  S  S
Wind spd                6  9  6  3  2  2  3  5  8 10  8  4  2  1  3  5  8  9  6
Clouds                 B1 B1 FW CL FW FW SC FW SC SC SC FW FW SC SC SC SC SC SC
PoP 12hr                      5           0           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                                 PF
Heat index                                     95 92                   94 93
Max heat                                       95    95                94    96


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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    93      72    94      74    94      74    91
Temp          74 74 91 83   74 74 93 85   76 76 92 87   76 75 91 82
Dewpt         69 70 70 70   70 71 70 72   71 72 70 71   71 71 69 69
PWind dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW SC SC   SC SC SC SC   SC SC SC B1   B1 SC B1 B1
PoP 12hr         10    20      10    20      10    30      30    40
Rain shwrs              S             S             C    C     C  C
Tstms                   S             S             C    C     C  C

$$
SCZ050-230745-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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                      80          70          86          72          87
Temp                   79 80 77 72 72 70 74 84 86 83 77 74 73 72 75 84 87 84 79
Dewpt                  67 67 67 69 69 69 70 69 70 69 70 70 71 71 72 72 72 72 72
RH                     67 65 71 90 90 97 87 61 59 63 79 87 93 97 90 67 61 67 79
Wind dir               SE SE  S  S  S SW SW  S  S  S  S  S  S SW SW SW  S  S  S
Wind spd                8  9  5  4  3  2  3  5 11 13  8  4  4  3  4  8 11 12  8
Clouds                 SC SC FW FW FW SC FW FW SC SC SC FW SC SC SC SC SC SC SC
PoP 12hr                      0           0          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  S
Tstms                                                                   S  S  S
Heat index                                     90                      93 90
Max heat                                       90    90                94    93


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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    90      73    90      76    90      74    90
Temp          74 76 90 82   74 75 90 81   76 77 90 82   75 75 90 80
Dewpt         72 72 73 74   72 73 73 74   74 73 74 75   74 73 73 72
PWind dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   B1 B1 SC SC
PoP 12hr         20    20      20    30      20    30      40    30
Rain shwrs     S  S     S    S     S  C    S     S  C    C  C  C  C
Tstms          S  S     S    S     S  C    S     S  C    C  S  C  C

$$
SCZ048-230745-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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          69          89          72          91
Temp                   86 86 78 73 72 69 74 84 89 87 80 75 74 72 76 85 91 89 82
Dewpt                  65 66 67 69 69 68 69 69 69 69 69 70 70 70 71 71 70 70 71
RH                     50 51 69 87 90 97 84 61 52 55 69 84 87 93 85 63 50 54 69
Wind dir               SE SE  S  S  S  S  S  S  S  S  S  S  S  S SW SW  S  S  S
Wind spd                6  8  5  2  2  2  2  4  8 11  5  4  2  2  2  4  8 11  4
Clouds                 SC SC FW FW FW FW SC FW SC SC FW FW SC SC SC SC SC SC SC
PoP 12hr                      0           0          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  S
Tstms                                                                   S  S  S
Heat index                                     94 91                90 97 94
Max heat                                       94    94                97    97


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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    93      72    93      74    93      74    91
Temp          75 75 91 83   74 75 92 83   77 76 91 85   77 75 89 81
Dewpt         71 71 72 72   71 72 72 74   73 73 72 74   73 72 71 71
PWind dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr         20    20      10    30      10    30      30    40
Rain shwrs     S        S             C             C    C  S  C  C
Tstms          S        S             C             C    C  S  C  C

$$
SCZ043-230745-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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          63          88          67          91
Temp                   85 88 78 67 64 63 68 82 88 88 78 71 69 68 72 83 89 90 81
Dewpt                  59 59 63 65 64 63 68 68 67 67 67 68 68 67 70 70 67 66 69
RH                     41 38 60 93100100100 63 50 50 69 90 97 97 93 65 48 45 67
Wind dir                S  S  S  S  S  S  S SW SW  S  S  S  S  N SW SW SW SW  S
Wind spd                3  5  5  2  1  1  2  5  6  8  5  3  1  0  1  4  8  6  4
Clouds                 SC B1 SC FW CL SC SC FW SC SC SC FW SC SC SC SC SC SC SC
PoP 12hr                      0           0          10           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  S
Tstms                                                                   S  S  S
Obvis                                 PF
Heat index                                     91 91                   92 93
Max heat                                       91    91                92    94


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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          69    93      68    94      72    93      70    90
Temp          72 73 91 83   71 73 93 83   73 74 91 84   72 72 89 81
Dewpt         69 70 69 70   69 71 70 72   71 72 71 72   70 72 68 68
PWind dir        SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC SC SC SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr         20    30      20    40      20    40      30    40
Rain shwrs     S        C    S     S  C    S     S  C    C  S  C  C
Tstms          S        C    S     S  C    S     S  C    C  S  C  C

$$
GAZ099-230745-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
1245 PM EDT Wed May 22 2024

Date             Wed 05/22/24            Thu 05/23/24            Fri 05/24/24
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          66          90          69          92
Temp                   86 88 81 72 68 66 70 82 88 90 84 75 71 69 72 85 91 91 86
Dewpt                  64 63 67 66 66 65 68 68 67 66 69 69 67 66 68 69 66 65 67
RH                     48 43 63 81 93 97 93 63 50 45 61 82 87 90 87 59 44 42 53
Wind dir                S  S SE  S  S  S  S SW SW SW  S  S  N  N  N SW SW SW SW
Wind spd                3  3  2  3  2  2  2  4  5  5  2  2  0  0  0  3  6  6  2
Clouds                 B1 B1 SC FW FW SC SC FW SC SC SC FW FW FW FW SC SC SC SC
PoP 12hr                      5           5           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
Tstms                                                                         S
Obvis                                 PF
Heat index                                     91 93                   94 93
Max heat                                       91    93                94    94


Date          Sat 05/25/24  Sun 05/26/24  Mon 05/27/24  Tue 05/28/24
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    93      71    93      73    93      71    90
Temp          74 76 91 83   73 74 92 85   76 75 92 84   74 73 89 82
Dewpt         68 70 68 69   69 71 68 69   70 72 69 71   70 71 68 68
PWind dir        SW     W      SW    SW      SW    SW      SW    SW
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC FW SC SC   SC SC SC SC   SC SC SC B1   B1 B1 B1 B1
PoP 12hr         20    20      20    30      20    40      30    40
Rain shwrs     S        S    S        C    S        C    C  S  C  C
Tstms          S        S    S        C    S        C    C  S  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