Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
902 AM EST Sun Jan 19 2025

SCZ050-192100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      66          29          42          21          38
Temp                59 63 57 47 42 36 32 29 34 40 41 33 27 23 21 21 28 37 37 32
Dewpt               58 58 48 39 32 27 23 20 18 17 16 16 16 15 13 11 12 16 17 21
RH                  96 84 72 74 67 69 69 69 51 39 36 49 63 71 71 65 50 42 44 63
Wind dir            SW  W  W  W  W NW NW NW  N  N  N  N NE NE NE NE NE  N  N  N
Wind spd            14 17 16 13 12 10  9  8  9  8  8  4  5  6  9  9 10 11 11 11
Wind gust              27 26
Clouds              OV B2 B1 FW CL FW FW FW FW CL CL FW FW SC B1 B2 B2 B2 OV OV
PoP 12hr                     30           0           0           5          40
QPF 12hr                   0.05           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                 S  S                                               C  C
Rain shwrs
Snow                                                                          D
Wind chill                      35 29 24 21 27 35 36 29 20 15 11 11 19 29 29 23
Min chill                          29    21    22    29    15    11    11    23


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          23    34      19    39      28    45      25    47
Temp          28 23 34 28   22 21 38 33   30 28 43 36   30 25 45 37
Dewpt         24 21 21 20   19 19 27 29   28 26 28 28   26 23 29 32
PWind dir         N     N      NE     N      NW    NW      NW     W
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    OV OV B1 SC   SC B2 B2 B2   OV B2 B1 SC   FW FW FW FW
PoP 12hr         90    10      20    30      30    20       5     5
Frzg rain                       S          C  C
Rain shwrs                         S  C          S
Snow           D  L

$$
GAZ118-192100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      66          28          43          26          40
Temp                62 64 57 45 40 35 30 28 33 40 42 33 30 27 26 27 32 38 40 33
Dewpt               60 56 45 37 30 24 20 18 16 15 13 15 17 17 17 14 17 19 19 22
RH                  93 75 64 73 67 64 66 66 49 36 30 47 58 65 68 57 53 46 42 63
Wind dir            SW  W  W  W NW NW NW NW NW NW  N  N  N NE NE NE NE  N  N  N
Wind spd            13 17 17 13 12 11 10  9  9  8  6  3  3  4  6  8  9 10 11 11
Wind gust              28 28
Clouds              OV B2 B1 FW FW FW FW FW CL FW CL FW FW SC B2 B2 B2 B2 OV OV
PoP 12hr                     10           0           0           5          40
QPF 12hr                   0.05           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C
Rain shwrs
Sleet                                                                         D
Snow                                                                    C  C  D
Wind chill                   39 33 27 21 19 25 35 38 30 26 22 18 19 24 31 33 24
Min chill                    39    27    19    19    30    22    18    18    24


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          25    36      22    41      28    45      25    50
Temp          28 25 35 32   24 25 39 34   31 28 42 36   29 26 47 38
Dewpt         26 23 21 22   20 21 28 30   28 26 26 28   25 22 29 31
PWind dir         N     N      NE     N      NW    NW      NW    NW
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    OV OV B1 SC   SC B2 B2 B2   OV B2 SC SC   FW FW FW FW
PoP 12hr         90    10      10    30      30    10       5     5
Frzg rain                                  C  S
Rain shwrs                         S  C
Sleet          D
Snow           D  L

$$
SCZ050-192100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      64          30          42          26          39
Temp                59 63 58 47 43 37 33 31 35 40 42 35 32 28 26 26 31 38 38 34
Dewpt               58 58 50 41 34 29 25 22 20 18 18 19 19 18 17 15 17 20 20 23
RH                  96 84 75 79 70 72 72 69 54 41 37 52 58 66 68 62 56 48 48 64
Wind dir            SW SW  W  W  W NW NW NW  N  N  N  N  N NE NE NE NE  N  N  N
Wind spd            14 17 17 16 14 13 11 10  9  8  8  5  5  8  9 10 11 12 12 12
Clouds              OV B2 B1 FW CL FW FW FW FW CL CL FW FW SC B1 B2 B2 B2 OV OV
PoP 12hr                     20           0           0           5          40
QPF 12hr                   0.05           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                 S  S                                               C  C
Rain shwrs
Sleet                                                                         D
Snow                                                              S  S        D
Wind chill                      36 29 24 22 28 35 38 31 26 20 17 17 22 31 31 25
Min chill                          28    22    23    30    20    16    16    24


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          26    35      23    40      30    45      28    47
Temp          31 27 34 31   25 25 39 34   32 30 43 38   32 28 45 38
Dewpt         27 23 22 23   23 22 29 32   30 27 29 29   28 25 29 33
PWind dir         N     N      NE     N       N    NW      NW    NW
Wind char        GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    OV OV B1 SC   SC B2 B2 B2   OV B2 B1 SC   SC FW FW FW
PoP 12hr         90    10      20    30      30    20       5     5
Frzg rain                       S          C  C
Rain shwrs                         C  C          S
Sleet          D
Snow           D  D

$$
SCZ048-192100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      65          28          43          25          38
Temp                60 64 56 46 40 36 31 29 34 40 42 32 29 27 25 25 32 37 38 32
Dewpt               59 57 47 38 31 26 22 20 18 17 17 18 19 18 15 14 15 19 19 22
RH                  96 78 72 73 70 67 69 69 51 39 36 56 66 68 65 62 49 48 46 66
Wind dir            SW  W  W  W NW NW NW NW  N  N  N  N NE NE NE NE NE NE  N  N
Wind spd            13 17 17 14 13 12 10  9  9  6  6  3  4  5  8 10 10 10 11 12
Wind gust              27 28 25
Clouds              OV B2 B1 FW CL FW FW FW CL FW CL FW FW SC B2 B2 B2 B2 OV OV
PoP 12hr                     20           0           0           5          40
QPF 12hr                   0.05           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                 S                                                  C  C
Rain shwrs
Snow                                                                          D
Wind chill                      32 28 22 20 27 35 38 29 24 20 16 15 24 30 31 23
Min chill                          28    20    20    29    20    15    16    23


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          25    35      21    40      28    45      26    48
Temp          28 25 35 29   23 24 39 33   31 29 42 36   30 26 45 37
Dewpt         26 23 22 22   20 21 29 31   28 27 28 29   26 23 29 33
PWind dir         N     N      NE     N       N    NW      NW    NW
Wind char        GN    GN      GN    GN      LT    GN      LT    LT
Avg clouds    OV OV B1 SC   SC B2 B2 B2   OV B2 B1 SC   FW FW FW FW
PoP 12hr         90    10      20    30      30    20       5     5
Frzg rain                       S          C  S
Rain shwrs                         S  C          S
Snow           D  L

$$
SCZ043-192100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      65          26          41          21          37
Temp                61 62 54 45 38 33 29 27 34 40 41 30 26 23 21 22 29 35 36 29
Dewpt               58 55 44 36 29 25 21 19 16 15 14 14 14 14 12 10 10 12 14 20
RH                  90 78 69 70 70 72 72 71 47 36 33 51 60 68 68 59 44 38 40 69
Wind dir            SW  W  W  W  W NW NW NW  N  N  N  N NE NE NE NE NE NE  N  N
Wind spd            13 16 16 12 11  8  6  5  6  6  5  2  2  4  4  6  8  8  8  8
Wind gust              26 26
Clouds              OV B2 B1 FW CL CL CL CL FW CL CL FW FW SC B1 B2 B2 B2 OV OV
PoP 12hr                     30           0           0           5          40
QPF 12hr                   0.04           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                 C                                                  C  C
Rain shwrs
Snow                                                                    C  C  D
Wind chill                   39 31 26 22 20 28 35 37       17 15 14 21 28 30 21
Min chill                    39    26    20    21    30    17    13    15    21


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          22    33      17    38      25    45      22    49
Temp          27 22 33 23   20 19 37 30   28 26 42 34   27 23 46 36
Dewpt         23 20 19 20   17 19 25 29   28 25 26 28   24 21 28 31
PWind dir         N    NE      NE     N      NW     W      NW     W
Wind char        GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    OV OV B1 FW   SC B2 B2 B2   OV B2 SC SC   FW FW FW FW
PoP 12hr         90    10      10    20      20    20       5     5
Frzg rain                                  S  S
Rain shwrs                         S  S          S
Snow           D  L

$$
GAZ099-192100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
902 AM EST Sun Jan 19 2025

Date             Sun 01/19/25            Mon 01/20/25            Tue 01/21/25
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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                      63          25          41          23          40
Temp                62 58 50 42 37 32 27 25 31 38 40 29 25 24 23 24 30 38 39 29
Dewpt               58 50 40 32 26 21 17 14 10  7  6  9 12 13 12 11 11 13 14 22
RH                  87 75 68 67 64 63 65 62 41 27 24 42 57 62 62 57 44 35 35 75
Wind dir             W  W  W  W NW NW NW NW NW NW  N  N  N NE NE NE NE NE  N  N
Wind spd            13 17 18 14 12 10  9  8  9  8  6  2  2  3  4  5  6  8  8  8
Wind gust              28 29 25
Clouds              B2 B1 SC FW FW FW FW FW CL CL CL FW FW SC B1 B2 B2 B2 B2 OV
PoP 12hr                     10           0           0           5          40
QPF 12hr                   0.01           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                                    C  C
Rain shwrs
Snow                                                                    C  C  D
Wind chill                   34 29 24 18 16 23 32 35       20 17 17 23 32 33 21
Min chill                    34    24    16    16    29    20    16    17    21


Date          Wed 01/22/25  Thu 01/23/25  Fri 01/24/25  Sat 01/25/25
EST 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          23    35      19    39      24    44      21    47
Temp          28 23 35 26   21 20 37 31   29 24 42 34   25 22 44 35
Dewpt         25 22 18 20   16 16 22 27   26 23 24 26   23 20 25 28
PWind dir         N    NE      NE     N      NW     W      NW     W
Wind char        GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    OV OV SC SC   SC B2 B2 B2   B2 B2 SC SC   SC FW FW FW
PoP 12hr         90     5      10    20      20    10       5     5
Frzg rain                                  S  S
Rain shwrs                         S  S
Snow           D  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