Point Forecast Matrices
Issued by NWS Charleston, SC
Issued by NWS Charleston, SC
821
FOUS52 KCHS 140527
PFMCHS
Point Forecast Matrices
National Weather Service Charleston SC
127 AM EDT Mon Jul 14 2025
SCZ050-142000-
Charleston International Airport-Charleston SC
32.91N 80.03W Elev. 45 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 92 75 91 76 91
Temp 75 78 86 89 88 81 78 77 76 78 86 88 88 81 78 78 77 79 85 88 88 81
Dewpt 73 75 73 73 75 74 75 75 75 75 74 74 74 74 74 75 75 75 74 74 75 74
RH 94 91 65 59 66 79 91 94 97 91 68 63 63 79 88 91 94 88 70 63 66 79
Wind dir NE NE E SE SE SE E E E E E SE SE SE S S S S S S S S
Wind spd 1 2 4 6 9 6 3 2 3 4 8 11 12 10 8 5 5 6 10 13 14 11
Clouds SC SC FW B1 B1 FW SC SC SC SC SC B1 B1 SC SC SC SC B2 B2 B1 B1 SC
PoP 12hr 40 10 50 20 60
QPF 12hr 0.02 0 0.02 0 0.07
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C C C S S L L C C
Tstms S C C C C C C S S C C C C
Heat index 93 97 98 94 97 97 93 97 98
Max heat 97 98 97 98 97 99
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
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 77 93 77 94 77 95 78 95
Temp 79 79 90 82 79 79 92 83 79 79 92 83 80 80 92 83
Dewpt 75 75 73 75 75 76 73 74 75 75 74 75 75 75 74 76
PWind dir S S SW SW SW SW SW SW
Wind char GN GN GN GN LT GN LT LT
Avg clouds SC SC B1 B1 FW FW SC B1 SC SC SC B1 SC SC B1 B1
PoP 12hr 10 40 10 40 10 40 20 50
Rain shwrs C C S C S C S S C C
Tstms C C S C S C S S C C
$$
GAZ118-142000-
Savannah International Airport-Inland Chatham GA
32.12N 81.20W Elev. 50 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 94 75 92 76 91
Temp 76 78 87 92 89 83 79 77 76 77 86 90 89 83 79 78 77 78 86 89 89 82
Dewpt 74 75 77 76 75 75 75 76 75 76 77 76 76 75 76 75 75 76 77 76 75 75
RH 94 91 72 60 64 77 88 97 97 97 75 64 66 77 91 91 94 94 75 66 64 79
Wind dir NE NE E E E SE E E NE NE E E SE SE SE SE SE S S S SE SE
Wind spd 2 2 3 5 6 5 2 2 2 2 5 9 10 6 5 4 4 4 8 11 11 10
Clouds FW SC FW B1 B1 B2 SC SC SC SC SC B1 B1 SC SC FW FW B1 B1 B1 B1 SC
PoP 12hr 50 20 50 10 50
QPF 12hr 0.04 0 0.02 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S S C C C C C C
Tstms C C S S S C C C C C C
Heat index 99105 99 90 97102100 90 97100 99
Max heat 105 105 102 102 100 101
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 93 76 94 77 95 77 95
Temp 79 79 91 84 78 78 92 84 79 78 93 85 79 79 93 85
Dewpt 76 76 76 75 75 75 76 75 75 75 76 76 74 74 76 76
PWind dir S S S S SW SW SW SW
Wind char LT GN LT LT LT LT LT LT
Avg clouds SC SC SC B1 FW FW FW B1 SC FW SC B1 SC FW SC B2
PoP 12hr 10 50 10 40 10 50 20 60
Rain shwrs S C C C S S L
Tstms S C C C S S L
$$
SCZ050-142000-
Charleston Waterfront-Charleston SC
32.78N 79.94W Elev. 10 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 90 77 90 78 90
Temp 78 79 85 88 87 83 80 79 78 79 86 88 88 82 81 80 79 80 86 88 88 82
Dewpt 75 76 77 78 78 76 77 76 75 77 77 78 77 76 76 77 76 76 77 78 77 76
RH 91 91 77 72 75 80 91 91 91 94 75 72 70 82 85 91 91 88 75 72 70 82
Wind dir E NE E E SE SE E E E E E SE SE SE S S S S S S S S
Wind spd 2 2 5 9 9 5 3 3 3 4 8 10 12 9 8 6 6 8 10 13 14 10
Clouds SC SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2 B2 B1 B1 SC
PoP 12hr 40 10 50 30 60
QPF 12hr 0 0 0.01 0.01 0.06
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C C C C C C S S C C L L C C
Tstms S C C C C C C S S C C C C C C
Heat index 95102100 91 97102100 97102100
Max heat 102 102 90 102 102 102 102
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
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 79 91 78 92 78 93 79 93
Temp 81 81 89 83 80 81 90 84 80 80 91 84 81 81 91 83
Dewpt 77 77 78 76 76 77 78 76 77 76 79 77 77 77 78 77
PWind dir S S SW SW SW SW SW SW
Wind char GN GN LT GN LT GN LT GN
Avg clouds SC SC B1 B1 SC FW SC B1 SC SC B1 B1 B1 SC B1 B1
PoP 12hr 20 40 10 30 10 40 30 50
Rain shwrs S C C S C C C C S C C
Tstms S C C S C C C C S C C
$$
SCZ048-142000-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N 80.72W Elev. 37 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 92 76 90 77 89
Temp 76 77 85 90 88 82 79 77 76 78 86 88 88 81 80 79 77 79 85 88 87 82
Dewpt 74 76 77 76 75 76 76 76 75 76 77 77 76 75 76 75 75 76 77 77 76 76
RH 94 97 77 64 66 82 91 97 97 94 75 70 68 82 88 88 94 91 77 70 70 82
Wind dir NE NE E E SE SE E E E NE E E SE SE SE SE S S S S S S
Wind spd 1 2 3 5 6 4 2 2 2 3 5 9 10 6 5 4 4 5 9 10 11 9
Clouds FW SC SC B1 B1 SC B1 SC SC SC SC B1 B1 FW SC SC FW B1 B1 B1 B1 SC
PoP 12hr 40 10 40 10 50
QPF 12hr 0.13 0 0.01 0 0.03
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S C C C C C C
Tstms C C S S C C C C C C
Heat index 96102 98 97100 99 96100 98
Max heat 102 103 100 100 100 100
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 78 91 77 92 77 94 78 94
Temp 79 80 89 82 79 79 90 83 79 79 92 84 80 80 92 84
Dewpt 76 77 77 76 76 76 77 76 75 76 77 77 75 75 77 76
PWind dir S S S SW SW SW SW SW
Wind char LT GN LT LT LT LT LT LT
Avg clouds SC SC B1 B1 FW FW SC B1 SC FW SC B1 SC FW SC B1
PoP 12hr 10 40 10 30 10 40 20 50
Rain shwrs C C C C S S C
Tstms C C C C S S C
$$
SCZ043-142000-
Walterboro-Inland Colleton SC
32.91N 80.67W Elev. 98 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
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 92 72 90 73 89
Temp 73 75 85 90 87 80 77 74 73 75 84 88 88 79 76 75 73 76 85 87 87 80
Dewpt 72 75 75 74 74 75 75 74 73 75 75 74 74 74 76 75 73 76 75 74 74 74
RH 97100 72 60 65 85 94100100100 74 63 63 85100100100100 72 65 65 82
Wind dir N NE E E SE SE SE E NE NE E E SE SE SE SE SE S S S S S
Wind spd 0 1 2 3 4 3 1 1 1 2 4 6 8 5 3 2 2 3 6 10 11 8
Clouds FW SC FW B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC B2 B2 B1 B1 SC
PoP 12hr 50 20 50 10 60
QPF 12hr 0.05 0 0.04 0 0.04
Snow 12hr 00-00 00-00 00-00
Rain shwrs C C S S S C C L L C C
Tstms C C S S S C C C C C C
Heat index 94 99 95 92 97 97 94 95 95
Max heat 99 99 97 98 95 96
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
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 91 74 92 74 93 75 93
Temp 76 77 89 81 76 76 91 82 76 76 91 83 77 77 92 82
Dewpt 75 76 74 74 74 75 73 74 75 76 74 74 75 75 74 76
PWind dir S S S SW SW SW SW SW
Wind char LT LT LT LT LT LT LT LT
Avg clouds SC SC B1 B1 FW FW FW B1 SC FW SC B1 SC FW SC B1
PoP 12hr 5 40 5 40 10 40 20 50
Rain shwrs C C C C S S C
Tstms C C C C S S C
$$
GAZ099-142000-
Metter-Candler GA
32.40N 82.06W Elev. 197 ft
127 AM EDT Mon Jul 14 2025
Date Mon 07/14/25 Tue 07/15/25 Wed 07/16/25
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 96 73 93 73 93
Temp 75 78 88 94 91 84 79 76 75 76 86 91 90 84 78 75 74 76 85 91 89 84
Dewpt 73 73 75 72 72 74 75 74 74 75 76 74 73 74 74 75 74 74 75 73 72 73
RH 94 85 66 49 54 72 88 94 97 97 72 58 58 72 88100100 94 72 56 57 70
Wind dir NW NW N N NE SE SE SE E E E E E E SE SE SE SE SE SE SE SE
Wind spd 2 2 3 4 3 2 2 1 1 2 3 5 5 4 3 2 2 2 5 6 6 5
Clouds FW FW FW SC B1 B1 SC FW FW SC FW B1 B1 SC SC FW FW SC SC B1 B1 SC
PoP 12hr 40 20 50 10 50
QPF 12hr 0.01 0.01 0.05 0 0.05
Snow 12hr 00-00 00-00 00-00
Rain shwrs S C S C C S S C C
Tstms S C S C C S S C C
Heat index 98102 99 91 96101 98 91 94100 96 90
Max heat 102 102 101 100 100 99
Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 Sun 07/20/25
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 73 94 73 94 74 95 75 96
Temp 75 76 92 84 75 76 92 84 76 76 93 87 77 77 94 86
Dewpt 74 75 72 73 73 74 73 73 74 74 73 73 73 74 73 73
PWind dir SE S S SW SW W SW W
Wind char LT LT LT LT LT LT LT LT
Avg clouds FW FW FW B1 SC FW FW B1 SC FW SC B1 SC FW SC B1
PoP 12hr 5 50 10 40 10 40 20 50
Rain shwrs C C C S S C
Tstms C C C S S C
$$
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