Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
511
FOUS52 KCHS 041139
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
739 AM EDT Mon Aug 4 2025
SCZ050-042000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
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 84 72 88 73 88
Temp 72 76 80 82 78 75 74 73 74 83 86 86 81 77 75 74 75 82 86 86 79
Dewpt 66 66 68 69 70 71 70 70 72 73 73 74 73 73 74 72 73 73 73 73 72
RH 81 71 67 65 76 87 87 90 93 72 65 68 77 87 97 93 94 74 65 65 79
Wind dir NE NE NE E E NE NE NE NE E E E E E E NE NE E E E E
Wind spd 10 10 10 10 8 5 4 4 5 6 8 9 6 3 2 3 4 5 6 6 5
Clouds B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1
PoP 12hr 60 50 70 50 70
QPF 12hr 0.06 0.02 0.35 0.08 0.37
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C L C C C C C L L L L C C C C C C L L C
Tstms S S C C C C C C S C L L C C C C C C L L C
Heat index 93 94 93 93
Max heat 93 95 93 94
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
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 73 88 73 87 73 88 74 90
Temp 75 75 85 80 75 75 83 79 75 75 85 80 76 76 87 81
Dewpt 72 72 72 73 73 72 73 73 73 73 73 73 75 74 74 74
PWind dir NE NE NE NE NE E E SE
Wind char LT LT LT GN LT GN LT LT
Avg clouds B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2
PoP 12hr 50 70 50 70 50 70 40 70
Rain shwrs C C C L C C C L C C C L C C C L
Tstms C C C L C S C L C S C L C S C L
$$
GAZ118-042000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 84 73 89 73 88
Temp 72 78 82 83 79 75 75 74 75 83 87 87 82 78 76 74 75 82 86 86 80
Dewpt 72 75 76 74 74 73 73 73 74 78 78 77 76 76 75 74 74 77 77 76 75
RH 100 91 82 74 85 94 94 97 97 85 75 72 82 94 97100 97 85 75 72 85
Wind dir NE NE E E E E E E E E SE SE E E SE N N NE E E E
Wind spd 5 8 9 9 5 4 2 2 2 4 5 6 4 2 2 2 2 3 4 5 3
Clouds B2 B2 B2 B2 B1 B1 SC B1 B1 B1 OV OV B2 B2 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 80 50 80 60 80
QPF 12hr 0.41 0.11 0.53 0.09 0.60
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C L L C C S C C C D D L L C C C C D D L
Tstms C C L L C S S S S C D D C C S C S C D D C
Heat index 90 93100 99 90 97 96
Max heat 90 100 102 97 99
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 88 73 86 74 89 74 90
Temp 75 74 86 79 75 74 84 79 76 75 86 81 76 76 88 82
Dewpt 74 74 75 74 73 73 75 75 73 73 75 75 75 75 77 76
PWind dir NE NE NE NE NE NE NE E
Wind char LT LT LT LT LT LT LT LT
Avg clouds B2 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC B1 B2
PoP 12hr 60 70 50 70 50 70 40 70
Rain shwrs L C C L C C C L C C C L C C C L
Tstms C C C L C S C L C S L C S L
$$
SCZ050-042000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
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 84 75 88 76 88
Temp 75 79 82 83 81 78 77 77 77 84 86 86 82 80 79 77 78 83 86 86 82
Dewpt 70 71 72 74 73 73 73 73 74 77 77 77 76 76 76 74 75 77 77 76 75
RH 84 77 72 74 77 85 87 87 90 80 75 75 82 88 91 90 91 82 75 72 79
Wind dir NE NE NE E NE E NE NE NE E E E E E E E NE E E E E
Wind spd 10 11 11 11 8 5 4 4 4 6 9 10 5 4 3 3 4 5 8 8 5
Clouds B2 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1
PoP 12hr 60 50 70 60 70
QPF 12hr 0.15 0.02 0.20 0.10 0.26
Snow 12hr 00-00 00-00 00-00
Rain shwrs L C L C C C C C L L L L C C L L L L L L C
Tstms S C C C C C C C S C L L C C C C C C L L C
Heat index 90 94 97 97 92 97 96
Max heat 90 97 97 97 97
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
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 74 88 75 86 75 87 76 89
Temp 78 76 86 81 77 76 84 80 77 77 85 81 78 78 88 83
Dewpt 74 74 76 75 75 74 76 75 75 74 77 76 76 76 78 77
PWind dir NE NE NE NE NE E E SE
Wind char LT GN LT GN LT GN LT LT
Avg clouds B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2
PoP 12hr 50 70 60 70 60 70 50 60
Rain shwrs C C C L L C L L L C L L C C L L
Tstms C C C L C C C L C S C L C C C C
$$
SCZ048-042000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 82 73 88 73 87
Temp 73 77 80 81 79 76 75 75 75 81 86 86 81 78 77 75 75 81 85 85 79
Dewpt 70 73 74 73 73 73 73 73 74 77 77 76 76 76 75 74 74 77 77 76 75
RH 90 87 82 77 82 90 94 94 97 88 75 72 85 94 94 97 97 88 77 75 88
Wind dir NE NE NE E E E E NE E E E SE E E E N N NE E E E
Wind spd 8 10 9 9 5 4 2 3 3 5 5 6 4 2 2 2 2 4 5 5 3
Wind gust 16
Clouds B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 80 50 80 60 80
QPF 12hr 0.56 0.09 0.31 0.10 0.38
Snow 12hr 00-00 00-00 00-00
Rain shwrs L L D L C C C C C C D D L L C C C C D D L
Tstms C C L C C S S S C L L C C C C S C L L C
Heat index 97 96 96 94
Max heat 97 99 96 97
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 87 74 85 74 87 75 89
Temp 75 75 85 79 75 74 83 78 76 75 85 80 77 77 87 81
Dewpt 74 73 76 75 73 73 75 75 73 73 76 76 75 75 77 77
PWind dir NE NE NE NE NE E E SE
Wind char LT LT LT LT LT LT LT LT
Avg clouds B2 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2
PoP 12hr 60 70 50 70 50 70 40 70
Rain shwrs L C C L C C C L C C C L C C C L
Tstms C C C L C S C L C S S L C S S L
$$
SCZ043-042000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
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 68 86 70 85
Temp 70 75 77 79 75 71 70 70 71 81 84 84 78 74 73 71 72 80 83 83 77
Dewpt 67 66 68 69 69 70 69 69 71 73 74 74 74 74 72 71 72 73 73 73 73
RH 90 74 74 72 82 97 97 97100 77 72 72 88100 97100100 79 72 72 87
Wind dir NE NE E E E E NE NE E E E E E E E NE NE NE E E E
Wind spd 8 9 6 6 4 2 2 2 3 5 5 5 3 2 1 2 2 4 4 4 2
Clouds B1 B2 B2 B2 B2 SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr 70 50 80 50 80
QPF 12hr 0.08 0.01 0.39 0.10 0.61
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C L L C S S C C C D D C C C C C C D D C
Tstms S S C C C S C L L C C C C S C L L C
Heat index 91 91
Max heat 91 93 90
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
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 70 85 71 84 71 87 71 87
Temp 72 72 83 77 72 73 82 76 73 73 84 78 73 73 86 78
Dewpt 72 72 72 73 72 73 73 73 73 73 74 74 73 73 74 75
PWind dir NE NE NE NE NE E E SE
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B2
PoP 12hr 50 60 40 70 40 70 30 60
Rain shwrs C C C L C S C L C S C L C C C L
Tstms C C S L C C L C S L C S L
$$
GAZ099-042000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
739 AM EDT Mon Aug 4 2025
Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 81 69 88 70 87
Temp 70 74 79 80 76 72 72 71 71 80 86 85 79 75 73 72 72 79 85 84 78
Dewpt 68 71 72 72 71 71 71 71 71 75 75 74 75 74 73 71 72 74 75 74 75
RH 93 90 79 77 85 97 97100100 85 70 70 88 97100 97100 85 72 72 91
Wind dir NE E E E E E E E E E SE SE E E E NE NE NE NE NE E
Wind spd 5 6 8 6 4 2 2 2 2 4 5 4 2 2 1 1 2 2 3 3 2
Clouds B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1
PoP 12hr 80 50 80 60 80
QPF 12hr 0.23 0.07 0.45 0.14 0.42
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C D D C C S C C D D L L C C C C D D C
Tstms C C L L C S S D L C C S L L C
Heat index 95 93 94 91
Max heat 95 95 94 94
Date Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 70 86 70 85 71 87 71 89
Temp 72 72 84 77 72 72 83 77 73 73 85 79 73 73 87 80
Dewpt 72 72 74 73 72 72 73 73 73 72 74 74 73 73 75 76
PWind dir NE NE NE NE NE E E E
Wind char LT LT LT LT LT LT LT LT
Avg clouds B1 B1 B1 B2 B1 SC B1 B2 B1 SC B1 B2 B1 SC B1 B2
PoP 12hr 50 70 40 60 30 60 30 60
Rain shwrs C C C L C S C L C S C L C S C L
Tstms C S L C S L C S L S S L
$$
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