Point Forecast Matrices
Issued by NWS Charleston, SC

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FOUS52 KCHS 190521
PFMCHS

Point Forecast Matrices
National Weather Service Charleston SC
121 AM EDT Sun Oct 19 2025

SCZ050-192000-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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          54          72          50          77
Temp          61 62 75 78 77 72 70 64 56 54 63 70 70 60 56 53 52 52 68 75 76 67
Dewpt         58 60 63 63 64 66 65 56 48 46 43 42 42 46 47 47 47 48 50 49 52 56
RH            90 93 66 60 64 81 84 75 74 74 48 36 36 60 72 80 83 86 52 40 43 68
Wind dir       S  S  S SW  S  S SW NW NW NW  N  N  N  E SE SE NW NW SW SW  S  S
Wind spd       5  5 11 14 16 12 10 10 10  8  9  6  5  2  1  1  1  1  3  5  8  8
Wind gust              26
Clouds        SC SC SC SC B1 B1 B1 FW FW CL CL CL CL CL CL CL CL FW CL FW CL CL
PoP 12hr                     10          20           0           0           0
QPF 12hr                      0        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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    75      49    72      51    73      54    74
Temp          61 58 74 63   54 50 70 61   55 52 72 63   56 56 72 65
Dewpt         58 52 46 46   44 43 44 49   48 47 47 52   53 52 53 56
PWind dir        SW     W      NW    NE      NE    NE      NE     E
Wind char        LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW CL   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$
GAZ118-192000-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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          54          74          52          79
Temp          62 62 76 82 79 73 70 64 56 54 64 71 72 62 58 54 53 53 69 77 78 70
Dewpt         60 61 64 65 66 68 66 56 48 46 45 45 45 48 49 50 49 50 53 54 55 57
RH            93 97 66 56 64 84 87 75 74 74 50 39 38 60 72 86 86 89 57 45 45 63
Wind dir       S  S  S SW  S SW  W NW  N NW  N NE NE SE SE SE  N  N SW SW  S  S
Wind spd       4  5 10 11 10  8  6  8  6  5  5  4  3  2  2  1  1  1  2  4  5  4
Clouds        SC FW FW B1 B2 B2 SC FW FW CL CL CL CL CL CL CL CL FW FW FW CL CL
PoP 12hr                     30          20           0           0           0
QPF 12hr                      0        0.09           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          58    78      48    74      51    75      56    76
Temp          61 59 77 65   55 49 72 62   55 52 74 64   59 58 75 67
Dewpt         55 52 45 44   41 40 44 49   48 47 50 54   55 55 59 60
PWind dir        SW    NW      NW     N      NE     E      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW CL CL   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$
SCZ050-192000-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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                      78          56          71          55          75
Temp          66 67 74 77 76 73 71 65 59 56 62 69 69 63 60 57 56 56 68 73 74 69
Dewpt         62 63 67 68 69 69 68 58 51 48 47 46 47 49 50 50 50 51 54 54 57 60
RH            87 87 79 74 79 87 90 78 75 74 58 44 45 60 69 77 80 83 61 51 55 73
Wind dir       S  S  S SW  S  S SW NW NW NW  N  N  N  E SE SE  N NW SW SW  S  S
Wind spd       5  5 10 13 14 11 10 10 10  8  8  5  5  2  2  2  2  2  2  5  8  5
Wind gust                    21
Clouds        SC SC SC SC B1 B1 B1 FW FW CL CL CL CL CL CL CL FW FW CL FW CL CL
PoP 12hr                     10          20           0           0           0
QPF 12hr                      0        0.05           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          59    75      54    71      55    72      59    73
Temp          64 61 74 66   58 54 69 63   58 56 71 64   61 60 72 66
Dewpt         62 54 52 50   47 46 50 52   52 50 52 56   55 56 59 61
PWind dir        SW    NW      NW    NE      NE    NE      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW CL   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$
SCZ048-192000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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          54          72          52          77
Temp          63 64 76 79 77 72 69 62 56 54 62 70 70 61 58 56 54 53 68 75 76 68
Dewpt         60 62 65 65 67 68 65 55 48 46 45 45 45 49 49 50 50 50 53 53 55 59
RH            90 93 69 62 71 87 87 78 74 74 54 41 41 65 72 80 86 89 59 46 48 73
Wind dir       S  S  S  S  S  S  W NW NW NW  N  N  N SE SE SE  N  N SW SW  S  S
Wind spd       4  5 11 13 11  9  6  9  9  6  6  4  3  2  1  1  1  1  2  4  5  4
Wind gust                 23 19 17
Clouds        SC FW SC SC B2 B2 B1 FW CL CL CL CL CL CL CL CL CL FW FW FW CL CL
PoP 12hr                     30          20           0           0           0
QPF 12hr                      0        0.06           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          58    76      50    73      52    74      57    74
Temp          61 59 75 63   55 51 71 61   56 53 72 63   58 58 72 66
Dewpt         57 52 47 46   42 41 45 50   50 48 50 55   55 54 58 60
PWind dir        SW    NW      NW    NE      NE     E      NE     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW CL   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$
SCZ043-192000-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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          49          71          45          77
Temp          56 58 73 78 76 69 66 58 52 49 62 69 69 57 51 47 46 47 66 74 76 66
Dewpt         56 58 63 62 64 67 63 53 47 45 43 42 42 48 46 46 45 47 50 49 51 55
RH           100100 71 58 66 93 90 83 83 86 50 37 37 72 83 96 96100 56 41 42 68
Wind dir       S  S  S  S  S  S  W NW NW NW  N  N  N SE  N  N  N SW SW SW SW  S
Wind spd       3  4 10 12 11  8  6  6  6  5  6  5  2  1  0  0  0  1  3  5  5  5
Wind gust              23 23
Clouds        SC SC SC SC B1 OV B1 FW FW CL CL CL CL CL CL CL FW CL CL CL CL CL
PoP 12hr                     30          20           0           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          52    73      44    72      46    72      50    73
Temp          56 54 73 58   49 45 70 57   49 47 71 59   52 52 71 61
Dewpt         53 51 44 45   40 41 43 48   46 45 47 52   50 51 53 57
PWind dir        SW     W      NW     N      NE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW CL CL   FW FW FW FW   FW FW FW FW   SC SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$
GAZ099-192000-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
121 AM EDT Sun Oct 19 2025

Date             Sun 10/19/25            Mon 10/20/25            Tue 10/21/25
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          49          75          47          82
Temp          59 60 75 79 78 71 66 59 52 49 62 72 73 61 55 51 49 49 68 78 81 71
Dewpt         57 58 61 63 66 68 60 50 45 43 42 40 39 43 44 44 44 45 50 49 48 50
RH            93 93 62 58 67 90 81 72 77 80 48 31 29 51 66 77 83 86 52 36 32 47
Wind dir       S  S  S SW SW  W NW NW NW NW  N NE  N SE SE  S  S SW SW SW SW SW
Wind spd       4  5 10 10 10  5  5  5  5  4  5  4  2  2  1  1  1  1  3  5  5  3
Wind gust                    16 17 16
Clouds        SC FW SC B2 B2 B1 SC CL CL CL CL CL CL CL CL CL CL FW FW CL CL CL
PoP 12hr                     50          10           0           0           0
QPF 12hr                   0.12           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  C  C


Date          Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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    78      45    76      47    78      53    78
Temp          59 56 77 63   52 46 73 61   52 48 76 64   56 54 76 66
Dewpt         49 49 38 38   38 37 37 40   43 42 43 48   52 52 52 56
PWind dir         W    NW      NW     N      NE     E       E     E
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL FW FW CL   FW FW FW FW   FW FW FW FW   FW SC SC B1
PoP 12hr          0     0       0     0       0     0       0     5

$$

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