341
FOUS52 KCHS 201714
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
1214 PM EST MON JAN 20 2025
SCZ050-202100-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 44 23 38 22 35
TEMP 42 43 34 28 25 24 23 28 37 37 31 28 25 23 22 25 32 34 26
DEWPT 21 20 22 22 19 14 12 11 14 16 20 21 21 19 18 17 19 19 19
RH 43 39 61 78 78 65 62 48 38 42 63 75 84 84 84 71 58 54 74
WIND DIR N N N NE NE NE NE N N N N N N N N N N N NE
WIND SPD 8 6 5 5 8 10 10 11 10 10 9 10 11 11 11 12 12 10 8
CLOUDS CL CL CL FW FW B2 B2 B2 OV OV OV OV OV OV OV B2 FW CL FW
POP 12HR 0 5 50 90 20
QPF 12HR 0 0 0.02 0.23 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SLEET D D
SNOW D D L L
SNOWSHWRS S S
WIND CHILL 37 39 29 22 16 14 12 18 30 30 23 19 14 12 10 14 23 26 18
MIN CHILL 35 29 16 12 12 23 14 10 12 18
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 19 39 26 46 25 51 32 60
TEMP 21 24 36 34 31 26 44 37 30 26 48 40 34 33 57 48
DEWPT 18 21 27 29 25 22 24 27 25 23 28 32 30 29 37 41
PWIND DIR N N NW W NW SW SW W
WIND CHAR LT GN LT GN LT LT LT LT
AVG CLOUDS SC B2 OV OV B2 B1 SC FW FW FW FW FW SC B1 B1 SC
POP 12HR 5 20 20 5 5 0 0 5
FRZG RAIN S
RAIN SHWRS S S
GAZ118-202100-
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA
32.12N 81.20W ELEV. 50 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 45 27 40 25 37
TEMP 42 44 34 29 27 28 27 33 40 38 35 31 28 27 25 27 34 37 27
DEWPT 20 18 20 22 22 19 16 17 17 18 20 25 24 24 22 21 21 21 21
RH 41 35 56 75 81 68 63 51 39 44 54 78 85 88 88 78 58 52 78
WIND DIR NW N N N N N NE N N N N N N N N N NE NE NE
WIND SPD 6 6 5 5 5 8 10 9 10 10 9 10 10 10 9 10 11 9 6
CLOUDS CL CL CL FW B1 B2 B2 B2 OV OV OV OV OV OV OV B1 FW FW SC
POP 12HR 0 10 50 90 20
QPF 12HR 0 0 0.03 0.35 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SNOW D D L L
SNOWSHWRS S S
WIND CHILL 38 29 23 20 20 17 25 33 31 28 22 19 17 16 17 26 30 20
MIN CHILL 36 29 20 17 19 28 19 15 16 20
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 21 42 28 47 25 52 32 61
TEMP 23 24 38 35 31 28 45 37 29 25 49 39 33 33 58 48
DEWPT 20 21 28 28 26 23 25 27 24 22 28 32 30 29 39 42
PWIND DIR N NW NW W NW E SW W
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC B2 B2 B2 B2 SC FW FW FW FW FW FW FW SC SC SC
POP 12HR 10 20 10 5 5 0 0 5
RAIN SHWRS S S
SCZ050-202100-
CHARLESTON WATERFRONT-CHARLESTON SC
32.78N 79.94W ELEV. 10 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 44 27 39 28 38
TEMP 43 44 35 30 27 27 27 32 38 38 35 31 29 28 28 29 35 37 30
DEWPT 22 22 24 24 22 19 17 15 17 19 22 23 23 21 20 20 21 22 22
RH 43 41 64 78 81 71 65 49 42 46 59 72 78 75 71 69 56 54 72
WIND DIR N N N NE NE N N N N N N N N N N N N N NE
WIND SPD 9 9 8 9 11 13 13 11 10 11 10 12 12 13 12 12 12 10 8
CLOUDS FW CL CL FW SC B2 B2 B2 OV OV OV OV OV OV OV B2 SC FW SC
POP 12HR 0 10 50 90 30
QPF 12HR 0 0 0.02 0.28 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SLEET D D
SNOW D D L L
SNOWSHWRS C S
WIND CHILL 38 39 29 22 17 15 15 23 31 31 27 21 18 17 17 18 26 30 23
MIN CHILL 33 28 16 15 17 26 17 16 16 21
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 40 29 47 29 50 36 59
TEMP 26 28 38 34 32 29 44 38 32 29 48 41 37 36 56 49
DEWPT 23 24 30 30 27 23 26 28 27 25 29 33 33 32 38 43
PWIND DIR N N NW NW NW SW W W
WIND CHAR GN GN GN GN GN LT LT GN
AVG CLOUDS SC B2 OV OV OV B2 SC FW FW FW FW FW SC B1 B1 SC
POP 12HR 10 30 20 5 5 0 0 5
FRZG RAIN S
RAIN SHWRS S C
SCZ048-202100-
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC
32.48N 80.72W ELEV. 37 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 45 26 38 25 35
TEMP 42 45 34 30 28 28 26 32 38 38 33 29 27 26 25 28 33 35 27
DEWPT 22 21 22 23 22 17 16 16 17 17 21 23 24 22 20 20 21 21 21
RH 44 38 61 75 78 63 65 51 42 42 61 78 88 85 81 71 61 56 78
WIND DIR N N N N NE N NE N N N N N N N N N NE NE NE
WIND SPD 6 6 5 5 6 10 11 10 9 11 9 10 11 12 10 10 10 9 6
CLOUDS CL CL CL FW SC B2 B2 B2 OV OV OV OV OV OV OV B2 FW FW SC
POP 12HR 0 10 50 90 20
QPF 12HR 0 0 0.02 0.29 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SLEET D D
SNOW D D L L
SNOWSHWRS S S
WIND CHILL 38 29 24 21 19 15 24 32 31 25 20 17 15 15 19 25 28 20
MIN CHILL 36 29 21 15 17 25 17 14 15 20
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 41 27 47 26 51 32 60
TEMP 24 26 36 34 31 28 43 38 30 27 48 39 34 34 56 47
DEWPT 20 22 29 29 26 23 26 28 25 23 29 33 31 30 39 42
PWIND DIR N N NW W NW SW W W
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC B2 OV B2 B2 B1 SC FW FW FW FW FW FW SC SC SC
POP 12HR 10 20 10 5 5 0 0 5
RAIN SHWRS S S
SCZ043-202100-
WALTERBORO-INLAND COLLETON SC
32.91N 80.67W ELEV. 98 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 43 22 38 22 35
TEMP 42 43 31 26 24 23 22 30 37 37 31 28 25 24 22 27 33 34 23
DEWPT 21 20 22 22 18 13 11 10 12 14 18 19 20 18 17 16 16 16 17
RH 43 39 69 85 77 65 62 42 35 38 58 68 81 77 81 63 49 47 77
WIND DIR N N N NE NE NE NE NE N N N N N N NE NE NE NE NE
WIND SPD 5 4 4 4 5 6 8 9 8 9 6 8 6 8 9 9 9 6 4
CLOUDS CL CL CL FW SC B2 B2 B2 OV OV OV OV OV OV OV B1 FW CL FW
POP 12HR 0 5 40 90 20
QPF 12HR 0 0 0.02 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN S C
SNOW C D D L L
SNOWSHWRS S
WIND CHILL 38 26 20 17 15 13 22 31 30 24 20 17 15 12 18 25 28 17
MIN CHILL 35 26 17 13 15 24 17 12 13 17
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 18 40 23 47 21 52 28 60
TEMP 21 21 36 32 27 24 44 35 26 22 49 37 30 29 57 46
DEWPT 16 19 25 27 24 22 24 26 24 21 27 30 28 28 36 41
PWIND DIR N N NW W W SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B2 B1 SC FW FW FW FW FW SC B1 SC SC
POP 12HR 5 20 10 5 5 0 0 5
RAIN SHWRS S S
GAZ099-202100-
METTER-CANDLER GA
32.40N 82.06W ELEV. 197 FT
1214 PM EST MON JAN 20 2025
DATE MON 01/20/25 TUE 01/21/25 WED 01/22/25
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 42 24 40 23 36
TEMP 40 42 31 25 24 25 24 31 39 39 33 28 26 25 23 28 33 36 24
DEWPT 14 14 14 14 15 15 13 13 14 15 22 24 23 22 20 17 16 16 18
RH 34 31 49 62 68 65 62 47 35 37 63 85 88 88 88 63 49 43 77
WIND DIR NW N N N N NE NE NE NE N N N N N NE NE NE NE NE
WIND SPD 8 6 4 4 5 6 6 8 9 10 6 8 6 9 6 8 9 6 3
CLOUDS CL CL CL FW SC B2 B2 B2 OV OV OV OV OV OV B2 FW FW CL FW
POP 12HR 0 5 40 90 10
QPF 12HR 0 0 0.02 0.13 0
SNOW 12HR 00-00 00-00 T
RAIN S C
SNOW C D D C C
WIND CHILL 35 38 26 19 17 17 16 24 33 32 27 20 18 16 15 20 25 30 20
MIN CHILL 32 26 17 16 17 27 18 14 16 20
COLD WEATHER Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
WINTER STORM A A A A A A
DATE THU 01/23/25 FRI 01/24/25 SAT 01/25/25 SUN 01/26/25
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 19 43 25 47 23 51 29 60
TEMP 21 23 38 34 29 25 44 35 27 23 48 38 31 30 56 47
DEWPT 15 17 23 26 22 21 22 25 22 21 24 28 26 26 35 40
PWIND DIR NE N NW W NW SW SW SW
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B2 B1 FW FW FW FW FW FW SC SC SC SC
POP 12HR 5 10 10 5 5 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
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