Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
916 AM EDT Thu Oct 21 2021

SCZ050-212100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          65          83          56          79
Temp                73 81 78 70 67 66 66 65 77 83 82 73 69 65 59 57 72 78 78 68
Dewpt               58 56 60 63 63 63 64 64 66 66 67 67 66 61 55 52 52 52 51 52
RH                  59 42 54 78 87 90 93 97 69 57 61 81 90 87 87 83 49 40 39 57
Wind dir            SW SW  S  S  S SW SW SW SW SW SW SW SW  W  W NW NW NW NW NW
Wind spd             5  8 11  8  5  5  5  5  9 10 10  6  5  4  4  4  6  8  5  4
Clouds              SC SC SC FW FW SC SC SC SC B1 B1 SC FW FW FW CL CL CL CL CL
PoP 12hr                      0           5          20          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                           S  S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          55    80      63    82      65    80      58    74
Temp          59 60 80 70   65 64 82 74   69 66 80 71   62 58 73 66
Dewpt         53 55 58 62   62 63 66 68   66 65 64 61   57 54 56 57
PWind dir         N     E      SE    SE      SW     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL FW   FW FW FW SC   SC SC FW FW   FW SC SC SC
PoP 12hr          0     0       5    20      40    20      10    20
Rain shwrs                            S    C  C  S  S             S
Tstms                                      S  C

$$
GAZ118-212100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          64          83          55          80
Temp                74 81 80 71 68 66 65 64 76 82 81 72 67 62 59 56 70 78 79 68
Dewpt               61 57 60 63 63 63 63 62 66 65 65 64 63 58 53 52 51 51 50 52
RH                  64 44 51 76 84 90 93 93 71 56 58 76 87 87 80 86 51 39 36 57
Wind dir             S  S  S  S  S  S SW SW  W SW SW SW  W  W NW NW NW NW NW  N
Wind spd             4  6 10  6  4  3  4  4  8  9  9  5  3  3  3  3  6  8  5  3
Clouds              SC SC SC SC FW FW SC SC SC B1 B1 FW FW FW CL CL CL CL CL CL
PoP 12hr                      5           5          20          10           0
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S
Tstms                                           S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          55    82      64    84      66    83      58    77
Temp          59 59 81 71   66 64 83 74   69 66 82 73   64 59 76 68
Dewpt         53 55 59 62   64 64 66 67   66 66 64 62   57 55 59 60
PWind dir        NE     E      SE     S      SW     W      NW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL FW   FW FW FW FW   SC SC FW FW   FW FW SC SC
PoP 12hr          0     5       5    30      30    20      10    20
Rain shwrs                            C    C  C  S  S             S
Tstms                                      C  S

$$
SCZ050-212100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          67          80          61          77
Temp                74 80 78 71 69 68 68 68 77 80 79 73 71 67 63 61 71 77 76 69
Dewpt               59 58 61 63 64 65 65 65 67 67 67 68 67 63 57 54 53 53 53 54
RH                  59 47 56 76 84 90 90 90 71 65 67 84 87 87 81 78 53 43 45 59
Wind dir            SW SW  S  S SW SW SW SW SW SW SW SW SW  W  W NW NW NW NW NW
Wind spd             4 10 13 10  8  8  6  6  9 11 11  9  5  5  5  5  5  6  5  4
Clouds              SC SC SC SC FW SC SC SC SC SC B1 SC SC FW FW CL CL CL CL CL
PoP 12hr                      0           5          20          20           0
QPF 12hr                      0           0        0.01        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  S  S
Tstms                                           S  S  S  S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          60    79      66    81      67    80      59    74
Temp          63 62 79 71   67 67 81 73   70 67 80 72   63 59 73 67
Dewpt         55 58 61 64   65 66 68 69   67 67 65 63   59 55 58 58
PWind dir         N     E      SE     S      SW     W       N     N
Wind char        LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    CL CL CL FW   FW FW FW SC   SC SC FW FW   FW FW SC SC
PoP 12hr          0     0       5    20      40    20      10    20
Rain shwrs                            S    C  C  S  S             S
Tstms                                      S  C

$$
SCZ048-212100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          65          82          57          80
Temp                74 80 78 71 69 68 67 66 76 81 80 73 69 65 61 58 70 78 78 69
Dewpt               60 59 62 63 63 63 64 63 67 67 66 67 64 60 54 52 52 52 52 53
RH                  62 49 58 76 81 84 90 90 74 63 62 81 84 84 78 80 53 40 40 57
Wind dir            SW  S  S  S  S SW SW SW SW SW SW SW SW  W NW NW NW NW NW  N
Wind spd             4  8  9  5  5  5  5  4  8  9  9  5  4  4  4  4  5  6  5  3
Clouds              SC SC SC SC FW SC SC SC SC B1 B1 SC FW FW CL CL CL CL CL CL
PoP 12hr                      5           5          20          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S
Tstms                                           S  S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          56    80      65    82      66    81      60    75
Temp          61 61 80 71   67 66 82 74   70 67 80 73   65 60 74 68
Dewpt         54 56 60 64   64 65 67 69   66 66 64 63   59 55 58 59
PWind dir        NE     E      SE     S      SW     W      NW     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL FW   FW FW FW SC   SC SC FW FW   FW FW SC SC
PoP 12hr          0     5       5    20      30    20      10    20
Rain shwrs                            S    C  C  S  S             S
Tstms                                      C  S

$$
SCZ043-212100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          62          81          52          78
Temp                72 80 79 68 65 64 64 62 76 81 81 70 65 61 56 54 70 78 78 65
Dewpt               58 58 59 62 61 62 62 62 67 66 66 65 62 56 51 50 51 52 52 52
RH                  61 47 50 81 87 93 93100 74 60 60 84 90 84 83 86 51 40 40 63
Wind dir            SW SW  S  S  S  S SW SW SW SW SW SW  W  W  W NW NW NW NW  N
Wind spd             5  8  9  5  4  4  4  3  8  9  6  4  2  3  2  3  4  5  4  2
Clouds              SC SC SC SC FW SC SC SC SC B1 SC FW FW FW FW FW CL CL CL CL
PoP 12hr                      0           5          20           5           0
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S
Tstms                                           S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          51    80      58    82      62    80      55    74
Temp          56 55 80 67   61 60 81 71   67 64 80 69   61 56 72 64
Dewpt         50 52 58 61   60 60 66 66   65 64 64 61   55 53 57 58
PWind dir        NE     E      SE    SE      SW     W       N     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL FW   FW FW FW SC   SC SC FW FW   FW SC SC SC
PoP 12hr          0     0       5    20      40    20      10    20
Rain shwrs                            S    C  C  S  S             S
Tstms                                      C  S

$$
GAZ099-212100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
916 AM EDT Thu Oct 21 2021

Date             Thu 10/21/21            Fri 10/22/21            Sat 10/23/21
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          62          81          52          79
Temp                73 81 81 70 65 63 63 62 74 80 80 69 64 60 55 53 68 77 78 66
Dewpt               61 59 60 61 61 62 62 62 66 65 61 61 57 53 50 49 49 49 49 50
RH                  66 47 49 73 87 97 97100 76 60 52 76 78 78 83 86 51 37 36 56
Wind dir            SW SW SW  S  S  S SW SW  W  W  W  W  W NW NW NW NW NW NW  N
Wind spd             6  6  8  3  3  3  4  3  8 10  9  4  2  3  2  2  4  6  5  2
Clouds              SC SC SC SC SC SC B1 B1 B1 SC SC FW FW CL CL FW CL CL CL CL
PoP 12hr                      5           5          20           5           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S


Date          Sun 10/24/21  Mon 10/25/21  Tue 10/26/21  Wed 10/27/21
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          51    83      59    85      64    83      56    77
Temp          56 55 81 70   63 61 83 73   68 65 82 71   62 57 75 67
Dewpt         50 51 55 59   61 60 63 65   65 64 62 61   56 53 56 58
PWind dir        NE     E      SE     S      SW    NW       N     N
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL CL CL FW   FW FW FW FW   SC SC FW FW   FW FW SC SC
PoP 12hr          0     0       5    30      30    20      10    20
Rain shwrs                            C    C  C  S  S             S
Tstms                                 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



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