177
FOUS52 KCHS 191220
PFMCHS
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CHARLESTON SC
720 AM EST SUN JAN 19 2025
SCZ050-192100-
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC
32.91N 80.03W ELEV. 45 FT
720 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 67 29 42 21 38
TEMP 61 64 62 51 42 36 32 29 34 40 41 33 27 23 21 21 28 37 37 32
DEWPT 59 58 49 39 32 27 23 20 18 17 16 16 16 15 13 11 12 16 17 21
RH 93 81 62 63 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 B2 B1 SC FW FW FW FW FW FW CL CL FW FW SC B1 B2 B2 B2 OV OV
POP 12HR 50 0 0 5 40
QPF 12HR 0.07 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C
RAIN SHWRS C
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
720 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 67 28 43 26 40
TEMP 62 66 60 49 40 35 30 28 33 40 42 33 30 27 26 27 32 38 40 33
DEWPT 59 55 46 37 30 24 20 18 16 15 13 15 17 17 17 14 17 19 19 22
RH 90 68 60 63 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 B2 B1 SC FW FW FW FW FW CL FW CL FW FW SC B2 B2 B2 B2 OV OV
POP 12HR 30 0 0 5 40
QPF 12HR 0.07 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C
RAIN SHWRS S
SLEET D
SNOW C C D
WIND CHILL 33 27 21 19 25 35 38 30 26 22 18 19 24 31 33 24
MIN CHILL 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
720 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 30 42 26 39
TEMP 60 63 61 51 43 37 33 31 35 40 42 35 32 28 26 26 31 38 38 34
DEWPT 59 58 51 41 34 29 25 22 20 18 18 19 19 18 17 15 17 20 20 23
RH 96 84 70 68 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 SC FW FW SC SC SC FW CL CL FW FW SC B1 B2 B2 B2 OV OV
POP 12HR 50 0 0 5 40
QPF 12HR 0.07 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C
RAIN SHWRS C
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
720 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 25 38
TEMP 60 64 60 49 40 36 31 29 34 40 42 32 29 27 25 25 32 37 38 32
DEWPT 59 56 48 39 31 26 22 20 18 17 17 18 19 18 15 14 15 19 19 22
RH 96 75 64 68 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 B2 B1 SC FW FW FW FW FW CL FW CL FW FW SC B2 B2 B2 B2 OV OV
POP 12HR 30 0 0 5 40
QPF 12HR 0.07 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C
RAIN SHWRS C
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
720 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 62 62 60 47 38 33 29 27 34 40 41 30 26 23 21 22 29 35 36 29
DEWPT 60 56 46 36 29 25 21 19 16 15 14 14 14 14 12 10 10 12 14 20
RH 93 81 60 65 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 B2 B1 SC FW FW FW FW FW FW CL CL FW FW SC B1 B2 B2 B2 OV OV
POP 12HR 30 0 0 5 40
QPF 12HR 0.06 0 0 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C
RAIN SHWRS C
SNOW C C D
WIND CHILL 31 26 22 20 28 35 37 17 15 14 21 28 30 21
MIN CHILL 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
720 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 25 41 23 40
TEMP 62 61 55 44 37 32 27 25 31 38 40 29 25 24 23 24 30 38 39 29
DEWPT 56 48 39 32 26 21 17 14 10 7 6 9 12 13 12 11 11 13 14 22
RH 81 62 55 62 64 63 65 62 41 27 24 42 57 62 62 57 44 35 35 75
WIND DIR W W W NW 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 20 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 37 29 24 18 16 23 32 35 20 17 17 23 32 33 21
MIN CHILL 37 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page