296  
FOUS52 KCHS 151451  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1051 AM EDT WED AUG 15 2018  
 
SCZ050-152100-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 74 92 75 91  
TEMP 83 88 89 80 77 76 74 77 89 92 90 82 79 77 76 76 87 91 88 82  
DEWPT 75 74 75 74 75 74 74 74 74 73 73 74 74 75 75 75 75 75 75 75  
RH 77 63 64 82 94 94100 90 61 54 58 77 85 94 97 97 68 60 66 79  
WIND DIR SW SW S S S SW SW SW SW SW S S S SW SW SW SW SW S S  
WIND SPD 6 8 9 8 5 4 2 2 5 8 8 6 5 5 3 3 5 8 9 8  
CLOUDS SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 20 30 20 40  
QPF 12HR 0.28 0.08 0.04 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S C C S S S S C C C C C  
TSTMS S C S S C C S S S S C C C C C  
HEAT INDEX 90 97 99 98101 98 96102 98  
MAX HEAT 97 99 101 101 102 101  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 76 92 75 90 75 89 76 92  
TEMP 78 77 92 82 76 76 90 81 77 77 89 82 77 77 92 84  
DEWPT 75 75 73 75 74 73 72 74 74 73 73 75 75 75 72 74  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 40 40 40 30 40 30 40  
RAIN SHWRS C C C C C C C C C C C C C C C C  
TSTMS C C C C C C C C C C C C C C C C  
 

 
GAZ118-152100-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 91 74 92 75 91  
TEMP 83 89 88 81 77 76 74 76 87 92 89 82 79 78 76 77 87 91 90 83  
DEWPT 75 73 74 74 74 74 73 74 75 74 73 73 74 74 74 74 75 73 73 75  
RH 77 59 63 79 90 94 97 94 68 56 59 74 85 88 94 90 68 56 58 77  
WIND DIR SW SW S S S S S SW SW S S S S S S SW SW SW S S  
WIND SPD 6 6 8 6 5 3 1 1 4 6 6 6 5 4 3 3 4 5 6 6  
CLOUDS SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1  
POP 12HR 50 30 40 20 40  
QPF 12HR 0.22 0.22 0.23 0 0.09  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C S C C C S S S S C C C C S  
TSTMS C C C S C C C S S S S C C C C S  
HEAT INDEX 90 97 97 96102 97 96100 98 90  
MAX HEAT 97 100 102 101 100 100  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 75 93 74 91 73 91 75 92  
TEMP 76 76 93 82 77 76 91 82 75 75 91 83 77 76 92 84  
DEWPT 74 74 73 74 73 73 72 74 73 73 73 75 75 74 71 73  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC  
POP 12HR 20 40 30 40 20 40 30 40  
RAIN SHWRS S S C C C C C C S S C C C C C C  
TSTMS S S C C C C C C S S C C C C C C  
 

 
SCZ050-152100-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 87 76 91 77 89  
TEMP 84 86 85 80 78 77 76 78 88 91 88 82 79 78 77 78 86 89 87 82  
DEWPT 75 75 75 75 76 77 76 75 74 74 74 74 75 75 76 76 75 76 75 75  
RH 74 70 72 85 94100100 91 63 58 63 77 88 91 97 94 70 66 68 79  
WIND DIR SW S S S SW SW SW SW SW S S S S SW SW SW SW SW SW S  
WIND SPD 8 11 12 10 8 6 4 3 6 9 11 8 8 8 5 5 8 10 11 10  
CLOUDS SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 20 30 20 40  
QPF 12HR 0.16 0.05 0.04 0 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S S S C C S S S S C C C C C  
TSTMS S S S S S S C C S S S S C C C C C  
HEAT INDEX 91 95 94 97100 97 95 99 96  
MAX HEAT 95 96 101 99 99 99  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 91 76 89 76 89 77 90  
TEMP 79 78 91 82 78 77 89 81 77 77 89 82 78 78 90 83  
DEWPT 76 75 74 75 75 74 73 75 74 73 74 75 75 75 73 75  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR GN GN GN GN LT LT LT GN  
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 40 40 40 40 40 30 40  
RAIN SHWRS C C C C C C C C C C C C C C C C  
TSTMS C C C C C C C C C C C C C C C C  
 

 
SCZ048-152100-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 91 74 92 75 90  
TEMP 84 89 86 79 77 75 75 76 87 92 89 82 79 77 76 76 86 90 88 82  
DEWPT 74 73 75 75 75 75 74 74 74 74 73 74 74 75 75 75 74 74 74 75  
RH 72 59 70 88 94100 97 94 65 56 59 77 85 94 97 97 68 60 63 79  
WIND DIR SW SW S S S S SW SW SW SW S S S S SW SW SW SW S S  
WIND SPD 6 6 8 6 5 4 2 1 4 6 8 6 5 5 4 3 5 6 8 8  
CLOUDS SC B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 40 30 30 20 40  
QPF 12HR 0.33 0.12 0.11 0 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C S S C C S S S S C C C C C  
TSTMS S C C S S C C S S S S C C C C C  
HEAT INDEX 91 97 95 95102 97 94 99 97  
MAX HEAT 97 99 102 101 99 99  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 75 92 74 91 74 91 75 92  
TEMP 78 77 92 81 76 75 90 80 76 76 90 83 78 76 91 84  
DEWPT 75 74 73 74 74 73 72 74 74 74 73 75 75 74 72 74  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR LT GN LT GN LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 40 30 40 30 40 30 40  
RAIN SHWRS C C C C C C C C C C C C C C C C  
TSTMS C C C C C C C C C C C C C C C C  
 

 
SCZ043-152100-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 72 92 74 90  
TEMP 82 89 89 80 75 73 72 74 86 92 90 82 77 76 74 75 85 90 89 80  
DEWPT 74 74 74 74 73 73 72 74 73 72 72 73 74 74 74 74 74 73 73 74  
RH 77 61 61 82 94100100100 65 52 56 74 90 94100 97 70 58 59 82  
WIND DIR SW SW S S S S S S S SW SW S S S SW SW SW SW S S  
WIND SPD 4 5 5 5 2 0 0 0 3 5 5 4 4 3 3 3 5 6 6 5  
CLOUDS SC SC B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 20 20 30 20 40  
QPF 12HR 0.52 0.07 0.04 0 0.10  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C S S S S C C C C C  
TSTMS S S S S C C S S S S C C C C C  
HEAT INDEX 98 98 93100 97 93 98 97  
MAX HEAT 98 99 100 100 98 98  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 92 73 91 73 91 74 92  
TEMP 76 75 92 80 76 75 90 80 74 74 90 82 76 75 92 83  
DEWPT 74 74 73 74 73 73 71 73 73 73 72 74 74 74 71 73  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 40 40 40 30 40 30 40  
RAIN SHWRS C C C C C C C C C C C C C C C C  
TSTMS C C C C C C C C C C C C C C C C  
 

 
GAZ099-152100-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
1051 AM EDT WED AUG 15 2018  
 
DATE WED 08/15/18 THU 08/16/18 FRI 08/17/18  
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 72 92 73 91  
TEMP 83 89 89 82 77 74 73 74 86 92 90 82 77 75 73 75 85 91 89 82  
DEWPT 74 72 72 73 73 72 72 72 73 71 72 73 73 73 73 74 74 71 72 73  
RH 74 57 57 74 87 93 97 93 65 51 56 74 87 94100 97 70 52 57 74  
WIND DIR SW SW S S S S SW S S SW S S S S S SW SW SW SW SW  
WIND SPD 4 6 6 4 0 0 0 0 3 6 5 4 4 3 3 3 5 6 5 4  
CLOUDS SC SC B1 B1 B1 SC SC SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 30 20 40 20 40  
QPF 12HR 0.12 0.06 0.06 0 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C C S S S S C C C C S  
TSTMS S S S S C C S S S S C C C C S  
HEAT INDEX 90 96 96 93 99 97 93 98 96  
MAX HEAT 96 97 99 99 98 98  
 
DATE SAT 08/18/18 SUN 08/19/18 MON 08/20/18 TUE 08/21/18  
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 92 74 91 73 91 74 92  
TEMP 76 75 92 82 75 75 90 82 75 74 90 84 76 75 91 84  
DEWPT 73 73 72 73 72 73 73 74 73 73 73 73 73 74 72 72  
PWIND DIR SW SW SW SW SW SW SW SW  
WIND CHAR LT GN LT LT LT LT LT LT  
AVG CLOUDS B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC  
POP 12HR 20 40 30 40 20 40 30 30  
RAIN SHWRS S S C C C C C C S S C C C C C C  
TSTMS S S C C C C C C S S C C C C C 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  
 

 
 
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