Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
644 PM EDT Sun May 12 2024

SCZ050-130800-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      63          81          67          82          69
Temp             75 68 64 63 68 79 79 75 70 68 68 67 69 74 78 81 75 72 70 69 71
Dewpt            55 61 59 60 63 60 59 60 62 64 66 67 69 71 71 72 71 70 70 69 71
RH               50 78 84 90 84 52 50 60 76 87 93100100 90 79 74 87 93100100100
Wind dir         NW  S  S  S SE  S  S  S SE  S  S  S  S  S SW  S  S SW SW SW SW
Wind spd          3  3  2  1  2  8 10  9  9  9 10 10 10 13 13 13 13 11 11 10  9
Clouds           FW B1 B1 SC B1 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1
PoP 12hr                      0          40          80         100          60
QPF 12hr                      0           0        0.47        1.51        0.21
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  C  C  L  D  D  D  D  L  L  C  C  C
Tstms                                     S  S  S  S  C  C  C  C  C  C  S  S  C


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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          87      66    85      67    85      71    86      69    87
Temp          86 80   71 68 84 78   68 70 84 76   73 72 85 79   72 70 86 78
Dewpt         68 68   65 65 65 67   67 68 68 70   72 72 72 71   69 68 66 68
PWind dir        SW       W    NW       E    SE       S    SW       W    NW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW   FW FW FW SC   SC SC B1 B2   B2 B1 B1 SC   SC SC SC SC
PoP 12hr         30       5     5       5    40      50    50      20    30
Rain shwrs     C  S                        C  C    C  C  C  C    S  S  S  C
Tstms          C  S                        C  C    C  C  C  C    S  S  S  C

$$
GAZ118-130800-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      64          79          67          83          70
Temp             76 70 65 64 67 76 79 76 71 69 68 69 70 78 82 82 78 74 71 70 71
Dewpt            57 60 59 60 61 62 62 63 65 66 67 69 70 71 71 71 70 70 70 70 71
RH               52 71 81 87 81 62 56 64 81 90 97100100 79 69 69 76 87 97100100
Wind dir         SW  S  S  S SE SE SE  E SE SE SE  S  S  S  S SW SW SW SW SW SW
Wind spd          5  3  2  1  2  6 10 10 10 10 11  9  9 10 13 13 12 10 10  9 10
Clouds           B1 B1 B1 B1 B2 OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1
PoP 12hr                      5          60          80          90          60
QPF 12hr                      0        0.06        0.36        1.73        0.45
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  L  L  L  L  D  D  D  D  L  L  C  C  C
Tstms                                  S  S  S  S  S  C  C  C  C  C  C  S  S  C


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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      67    87      67    86      71    88      70    88
Temp          86 81   70 68 86 80   70 71 85 78   73 73 85 82   72 71 87 80
Dewpt         67 65   64 64 63 67   66 68 68 70   70 72 70 70   69 68 66 67
PWind dir         W       W    NW      SW     S       S    SW       W     W
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    LT
Avg clouds    SC FW   FW FW FW FW   SC B1 B1 B1   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         30       5     5      10    50      50    50      30    30
Rain shwrs     C  S                        C  C    C  C  C  C    C     S  C
Tstms          C  S                        C  C    C  C  C  C    C     S  C

$$
SCZ050-130800-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      66          78          69          80          72
Temp             73 69 66 66 70 78 78 76 70 69 69 69 70 75 79 80 75 72 72 72 72
Dewpt            62 64 63 63 65 62 62 62 63 65 67 68 70 72 72 72 71 71 71 70 72
RH               68 84 90 90 84 58 58 62 78 87 93 97100 90 79 77 87 97 97 93100
Wind dir          S SW SW  S SE SE  S  S SE  S  S  S  S  S  S  S  S SW SW SW SW
Wind spd          4  4  4  2  4  8 11  9  9 10 11 11 12 14 14 13 14 14 13 12 11
Clouds           FW B1 B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B1
PoP 12hr                      0          40          80          90          70
QPF 12hr                      0           0        0.51        1.51        0.22
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             C  C  C  C  L  D  D  D  D  L  L  C  C  C
Tstms                                     S  S  S  S  C  C  C  C  C  C  S  S  C


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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          86      68    84      69    83      72    85      70    86
Temp          86 79   72 69 84 77   69 71 83 75   73 73 84 78   72 71 86 77
Dewpt         70 70   67 65 66 68   68 69 70 71   72 72 73 72   71 69 68 69
PWind dir        SW       W    NW      SE    SE       S    SW       W     W
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW   FW FW FW SC   SC SC B1 B2   B2 B1 B1 SC   SC SC SC SC
PoP 12hr         30       5     5       5    40      50    50      30    20
Rain shwrs     C  S                        C  C    C  C  C  C    C  S  S  S
Tstms          C  S                        C  C    C  C  C  C    C  S  S  S

$$
SCZ048-130800-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      65          79          67          82          70
Temp             77 70 66 65 69 77 78 74 70 69 69 69 71 75 79 81 76 73 72 70 72
Dewpt            58 63 62 62 64 63 62 64 64 67 67 68 71 72 72 72 71 71 70 70 72
RH               52 78 87 90 84 62 58 71 81 93 93 97100 90 79 74 85 93 93100100
Wind dir         SW  S  S  S SE  S  S SE SE  S  S  S  S  S SW  S SW SW SW SW SW
Wind spd          4  3  3  1  2  6  9  9 10 11 12 11 11 12 13 13 14 12 12 10 11
Clouds           SC B1 B1 B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1
PoP 12hr                      5          50          80          90          70
QPF 12hr                      0        0.06        0.61        1.51        0.41
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C  L  L  D  D  D  D  L  L  C  C  C
Tstms                                     S  S  S  S  C  C  C  C  C  C  S  S  C


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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      67    86      68    85      71    87      69    87
Temp          86 80   71 69 84 78   70 71 84 77   73 73 84 80   72 71 86 79
Dewpt         69 67   65 65 66 69   68 69 70 72   72 72 73 72   69 69 68 69
PWind dir        SW       W    NW      SE    SE       S    SW       W     W
Wind char        BZ      GN    GN      LT    GN      GN    GN      GN    LT
Avg clouds    SC FW   FW FW FW FW   SC B1 B2 B2   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         30       5     5      10    50      50    50      30    30
Rain shwrs     C  S                        C  C    C  C  C  C    C  S  S  C
Tstms          C  S                        C  C    C  C  C  C    C  S  S  C

$$
SCZ043-130800-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      59          78          64          79          65
Temp             73 65 60 59 63 76 78 74 69 65 65 65 68 74 76 79 74 70 67 67 68
Dewpt            53 53 55 57 60 61 60 61 62 64 65 65 68 71 71 71 71 70 67 67 68
RH               49 65 84 93 90 60 54 64 78 97100100100 90 85 77 90100100100100
Wind dir         SW  E SE  N  E  S  S  S SE SE SE  S  S  S  S  S  S SW SW SW SW
Wind spd          4  2  1  0  1  6  9  8  6  8  8  9  9 10 11 10 12 10 10  9  9
Clouds           SC B1 B1 SC B1 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1
PoP 12hr                      0          40          80         100          60
QPF 12hr                      0        0.02        0.59        1.38        0.21
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  C  C  C  L  L  D  D  D  D  L  L  C  C  C
Tstms                                     S  S  S  S  C  C  C  C  C  C  S  S  C


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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          86      63    84      63    84      67    85      65    86
Temp          84 79   67 65 82 77   65 67 84 75   69 69 82 78   69 68 84 78
Dewpt         67 66   63 64 63 67   65 67 68 70   69 69 71 71   68 68 65 68
PWind dir         W       W    NW       S    SE       S    SW       W    NW
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    LT
Avg clouds    SC FW   FW FW FW SC   SC B1 B2 B2   B2 B1 B1 SC   SC SC SC SC
PoP 12hr         30       5     5       5    50      50    50      20    30
Rain shwrs     C  S                        C  C    C  C  C  C    S     S  C
Tstms          C  S                        C  C    C  C  C  C    S     S  C

$$
GAZ099-130800-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
644 PM EDT Sun May 12 2024

Date           05/12/24      Mon 05/13/24            Tue 05/14/24            Wed
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                      61          78          65          80          68
Temp             74 67 62 61 65 73 77 75 69 65 65 65 68 75 79 80 75 70 69 68 69
Dewpt            54 55 56 58 58 60 61 62 63 65 65 65 68 70 70 69 70 70 69 68 69
RH               50 65 81 90 78 64 58 64 81100100100100 84 74 69 84100100100100
Wind dir          W SE  S  E SE SE  E  E SE SE SE  S  S  S SW SW SW SW SW SW SW
Wind spd          4  2  2  1  3  5  9 11 11 11 11  8  8 11 11 12 11 11 10 10 10
Clouds           B1 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1
PoP 12hr                      5          60          80          90          60
QPF 12hr                      0        0.09        0.51        1.38        0.26
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  C  L  L  L  L  L  D  D  D  D  L  L  C  C  S
Tstms                                  S  S  S  S  S  C  C  C  C  C  C  S  S  S


Date           05/15  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24  Sun 05/19/24
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          86      64    85      65    85      69    85      67    87
Temp          84 78   68 66 84 78   67 67 83 77   70 71 83 78   70 69 85 79
Dewpt         65 64   63 64 63 66   65 66 66 68   69 71 69 70   68 68 65 67
PWind dir         W       W    NW       S     S      SW    SW       W    NW
Wind char        GN      GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC FW   FW FW FW FW   SC B1 B2 B1   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         20       5     5      10    60      50    50      30    30
Rain shwrs     S  S                        C  L    C  C  C  C    C  S  S  C
Tstms          S  S                        C  L    C  C  C  C    C  S  S  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