Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
947 AM EDT Sun May 12 2024

SCZ050-122000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      84          63          83          68          81
Temp                75 80 84 75 68 64 63 68 80 81 78 72 70 69 68 69 76 80 79 75
Dewpt               54 51 49 55 60 59 60 61 57 57 59 60 63 65 65 68 70 70 70 69
RH                  48 36 30 50 76 84 90 78 45 44 52 66 78 87 90 97 82 72 74 82
Wind dir            NW NW NW  S  S  S  S  E  S  S  S  S  S  S  S  S  S  S  S SW
Wind spd             6  9  8  4  3  2  2  2  8 11 10  9  9 10 10 10 13 16 14 16
Clouds              SC B1 SC SC B1 SC SC B1 B2 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          40          80         100
QPF 12hr                      0           0        0.02        0.54        1.43
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  D  D  D  D  D  D  L
Tstms                                                 C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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    88      66    88      68    86      71    88
Temp          71 71 85 80   71 68 85 79   70 70 83 78   73 73 86 81
Dewpt         70 70 65 64   63 63 61 64   65 67 66 67   70 70 67 67
PWind dir        SW     W       W     W      SE    SE       S     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1 SC FW   FW FW FW FW   SC B1 B1 B2   B2 B2 B1 SC
PoP 12hr         70    30       5     5      10    40      50    40
Rain shwrs     L  C  C  S                        C  C    C  C  C  C
Tstms          C  C  C  S                        C  C    C  C  C  C

$$
GAZ118-122000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      84          64          81          68          81
Temp                75 81 84 76 70 65 64 67 78 81 77 72 70 69 69 70 78 81 80 76
Dewpt               56 54 52 58 60 59 60 61 62 61 63 65 66 67 68 70 72 71 69 70
RH                  52 39 33 54 71 81 87 81 58 51 62 79 87 93 97100 82 72 69 82
Wind dir            NW  W  W  S  S  S  S SE  S SE SE SE SE SE  S  S  S  S SW SW
Wind spd             6  8  6  4  3  2  2  2  8 10 10 10 10 11 10 10 11 13 17 16
Clouds              B1 B1 B1 B1 B1 B1 B1 B2 OV B2 OV OV OV OV OV OV B2 OV B2 B2
PoP 12hr                      0           5          60          80          90
QPF 12hr                      0           0        0.09        0.71        1.61
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  L  L  D  D  D  D  D  D  L
Tstms                                           S  S  C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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    88      66    88      68    85      71    88
Temp          72 71 86 82   70 68 86 81   70 71 83 80   73 73 86 82
Dewpt         70 71 65 65   63 63 62 66   67 68 68 70   71 71 69 69
PWind dir        SW     W       W     W       S     S      SW     W
Wind char        GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1 SC FW   FW FW FW FW   SC B1 B1 B1   B1 B1 B1 SC
PoP 12hr         60    20       5     5      20    50      50    40
Rain shwrs     L  S  S                        S  C  C    C  C  C  C
Tstms          C  S  S                           C  C    C  C  C  C

$$
SCZ050-122000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      82          66          81          69          80
Temp                75 80 82 74 69 66 66 70 80 80 78 72 71 70 69 70 76 80 77 73
Dewpt               57 55 54 60 64 63 63 65 62 62 62 63 66 67 67 70 72 73 72 70
RH                  54 42 38 62 84 90 90 84 54 54 58 73 84 90 93100 87 79 85 90
Wind dir            NW NW  W  S SW SW  S SE SE  S  S  S  S  S  S  S  S  S  S SW
Wind spd             8  8  8  5  4  4  3  3  8 10  9  8  9 11 11 12 16 17 16 17
Clouds              SC B1 FW SC B1 B1 SC B1 B2 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          40          80         100
QPF 12hr                      0           0        0.01        0.49        1.44
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  D  D  D  D  D  D  L
Tstms                                                 C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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    86      67    85      69    84      72    87
Temp          70 71 85 80   71 69 83 78   71 72 82 77   74 74 86 79
Dewpt         70 71 69 67   65 65 66 68   68 70 70 72   72 73 72 71
PWind dir        SW    SW       W     W      SE    SE       S    SW
Wind char        BZ    BZ      GN    GN      LT    GN      GN    BZ
Avg clouds    B2 B2 SC FW   FW FW FW FW   SC B1 B1 B1   B2 B2 B1 SC
PoP 12hr         70    30       5     5      10    40      50    40
Rain shwrs     L  C  C  S                        C  C    C  C  C  C
Tstms          C  C  C  S                        C  C    C  C  C  C

$$
SCZ048-122000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      84          65          81          68          81
Temp                75 80 84 76 70 66 65 69 79 80 76 71 70 70 69 70 76 79 79 75
Dewpt               56 55 54 59 63 62 62 64 63 62 63 65 67 67 68 70 73 72 72 71
RH                  52 42 36 56 78 87 90 84 58 54 64 81 90 90 97100 90 79 79 87
Wind dir            NW NW  W  S  S  S  S SE  S  S SE SE  S  S  S  S  S SW  S  S
Wind spd             8  9  6  4  3  3  2  2  8 10  9 10 11 12 12 11 13 14 16 18
Clouds              B1 B1 FW SC B1 B1 SC B2 B2 OV OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           5          50          80         100
QPF 12hr                      0           0        0.08        0.72        1.32
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      C  C  L  L  D  D  D  D  D  D  L
Tstms                                           S  S  C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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    87      66    88      68    84      71    88
Temp          71 72 85 80   70 68 85 79   70 72 82 78   73 73 87 79
Dewpt         70 71 67 67   64 64 65 68   68 70 71 72   72 72 70 71
PWind dir        SW     W       W     W       S     S      SW     W
Wind char        BZ    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B1 SC FW   FW FW FW FW   SC B1 B1 B1   B1 B1 B1 SC
PoP 12hr         70    30       5     5      20    50      50    40
Rain shwrs     L  C  C  S                     S  C  C    C  C  C  C
Tstms          C  C  C  S                        C  C    C  C  C  C

$$
SCZ043-122000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      81          59          80          64          78
Temp                72 79 81 73 65 60 59 63 79 80 76 70 66 65 64 67 75 78 78 74
Dewpt               54 50 48 53 53 55 57 59 59 59 59 61 63 65 64 67 70 71 70 69
RH                  53 36 32 49 65 84 93 87 50 49 56 73 90100100100 84 79 76 84
Wind dir            NW NW NW  W  E SE SE  N  S  S  S SE  S  S SE  S  S  S  S SW
Wind spd             5  8  6  2  2  1  1  0  6 10  9  6  8  9  9  9 12 11 12 16
Clouds              SC B1 FW SC B1 B1 SC B1 B2 OV OV OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           0          50          80          90
QPF 12hr                      0           0        0.05        0.67        1.40
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  C  C  C  D  D  D  D  D  D  L
Tstms                                              S  C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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          65    85      62    85      63    83      67    85
Temp          67 68 83 78   66 65 83 78   65 67 81 76   69 70 83 78
Dewpt         67 68 65 63   62 63 61 65   64 67 66 68   69 70 67 67
PWind dir        SW     W       W     W      SE    SE       S     W
Wind char        GN    GN      GN    GN      LT    GN      GN    GN
Avg clouds    B2 B2 SC FW   FW FW FW FW   SC B1 B1 B1   B2 B2 B1 SC
PoP 12hr         70    30       5     5      10    50      50    40
Rain shwrs     L  S  C  C                        C  C    C  C  C  C
Tstms          C  S  C  C                        C  C    C  C  C  C

$$
GAZ099-122000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
947 AM EDT Sun May 12 2024

Date             Sun 05/12/24            Mon 05/13/24            Tue 05/14/24
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                      83          61          80          65          80
Temp                74 80 83 75 67 62 61 65 75 80 77 70 65 65 66 68 76 78 80 73
Dewpt               55 52 49 54 54 56 58 59 60 60 60 63 65 65 66 68 70 69 67 69
RH                  51 38 31 48 63 81 90 81 60 51 56 78100100100100 82 74 65 87
Wind dir            NW NW NW NW SE  S  E  S  S SE  E SE SE SE  S  S  S SW SW SW
Wind spd             5  8  6  3  2  2  2  3  6  9 10 11 10 11  9  9 12 12 14 14
Clouds              B1 B1 SC B1 B1 B2 B1 OV OV OV OV OV OV OV OV OV B2 OV B2 B2
PoP 12hr                      0           5          60          80          90
QPF 12hr                      0           0        0.13        0.59        1.60
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  C  L  L  D  D  D  D  D  D  L
Tstms                                           S  S  C  C  C  C  C  C  C  C  C


Date          Wed 05/15/24  Thu 05/16/24  Fri 05/17/24  Sat 05/18/24
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          68    86      63    87      66    85      69    85
Temp          69 69 84 79   67 65 84 80   68 68 83 78   71 71 83 79
Dewpt         69 69 64 63   62 63 61 64   65 67 67 70   70 71 68 68
PWind dir        SW     W       W     W       S     S      SW     W
Wind char        GN    BZ      GN    LT      LT    GN      GN    GN
Avg clouds    B2 B1 SC FW   FW FW FW FW   SC B1 B2 B1   B1 B1 B1 SC
PoP 12hr         60    20       0     0      20    60      50    40
Rain shwrs     L  S  S                        S  C  L    C  C  C  C
Tstms          C  S  S                           C  L    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