847  
FOUS52 KCHS 180730  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
329 AM EDT MON JUN 18 2018  
 
SCZ050-182100-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 92 74 93 76 95  
TEMP 74 76 87 91 90 83 78 76 74 77 87 93 92 85 80 77 76 79 90 94 94 86  
DEWPT 74 75 75 74 73 73 72 72 72 72 73 73 73 73 73 72 72 73 74 74 74 74  
RH 100 97 68 58 58 72 82 87 93 85 63 52 54 67 79 85 87 82 60 53 53 68  
WIND DIR SW SW SW S S S SW SW SW W SW SW S S SW SW SW SW SW SW S S  
WIND SPD 1 2 4 6 11 9 6 4 4 5 5 6 10 9 6 5 4 5 5 6 9 8  
CLOUDS FW FW SC SC FW FW FW SC FW FW FW SC SC FW FW FW FW FW FW FW SC FW  
POP 12HR 10 5 10 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
TSTMS S S S  
HEAT INDEX 96101 98 94102101 92 99105105 94  
MAX HEAT 101 101 102 102 105 106  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 94 76 91 75 90 75 91  
TEMP 79 80 94 85 78 79 91 83 77 78 90 82 77 78 91 84  
DEWPT 74 74 75 76 74 75 76 75 74 75 76 76 74 75 75 75  
PWIND DIR SW SW SW S S S S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC  
POP 12HR 20 20 20 40 20 40 20 20  
RAIN SHWRS S S S S S S C C S S C C S S S S  
TSTMS S S S S S S C C S S C C S S S S  
 

 
GAZ118-182100-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 73 93 75 95  
TEMP 73 77 87 91 90 83 78 75 73 75 88 92 91 85 80 77 75 77 89 94 93 86  
DEWPT 73 74 75 73 73 72 72 72 72 72 72 71 71 72 71 71 71 72 74 73 73 74  
RH 100 90 68 56 58 70 82 90 97 90 59 51 52 65 74 82 87 85 61 51 52 68  
WIND DIR E SW S SE SE S S S SW SW SW S S S S SW SW SW SW S S S  
WIND SPD 0 2 3 6 10 9 4 3 2 3 5 6 9 8 5 4 3 4 5 6 6 6  
CLOUDS FW FW SC SC FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC  
POP 12HR 20 5 20 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S  
TSTMS S S S S  
HEAT INDEX 96100 98 95 99 98 91 98103102 94  
MAX HEAT 100 100 99 99 103 105  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 95 76 94 76 92 75 92  
TEMP 78 79 94 87 78 79 94 85 78 78 92 84 77 77 92 85  
DEWPT 73 73 72 74 72 73 74 75 74 74 75 75 73 73 74 74  
PWIND DIR SW W W SW SW SW SW S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 SC  
POP 12HR 10 20 20 30 20 40 20 20  
RAIN SHWRS S S S S C C S S C C S S S S  
TSTMS S S S S C C S S C C S S S S  
 

 
SCZ050-182100-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 86 75 90 77 92  
TEMP 79 79 85 86 86 81 78 77 76 78 87 90 89 84 80 78 77 80 88 92 90 84  
DEWPT 75 75 75 75 74 74 73 73 73 73 74 74 74 73 74 73 73 74 75 76 75 76  
RH 88 88 72 70 68 79 85 87 90 85 65 60 61 70 82 85 87 82 66 60 62 77  
WIND DIR SW SW S S S S SW SW SW W SW SW S SW SW SW SW SW SW SW S S  
WIND SPD 2 3 5 11 13 12 9 6 5 5 8 11 14 12 10 8 6 6 8 9 13 11  
CLOUDS FW FW SC FW FW FW FW SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW  
POP 12HR 5 5 10 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
TSTMS S S S  
HEAT INDEX 93 95 94 94 99 98 90 97104100 93  
MAX HEAT 95 95 99 99 105 105  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 78 92 78 90 77 89 77 90  
TEMP 80 80 92 85 80 80 90 83 78 79 88 82 79 80 89 83  
DEWPT 75 75 76 77 76 75 77 76 75 75 77 77 75 75 76 76  
PWIND DIR SW SW SW S S SE S S  
WIND CHAR GN GN LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC  
POP 12HR 20 20 20 40 30 40 20 20  
RAIN SHWRS S S S S S S C C C C C C S S S S  
TSTMS S S S S S S C C C C C C S S S S  
 

 
SCZ048-182100-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 93 75 95  
TEMP 74 78 86 89 89 82 78 76 74 77 87 92 91 85 80 77 76 79 89 94 92 85  
DEWPT 74 75 75 74 74 74 73 73 72 73 73 73 73 73 73 72 71 73 74 74 74 75  
RH 100 91 70 61 61 77 85 90 93 87 63 54 56 67 79 85 85 82 61 53 56 72  
WIND DIR S SW S S S S SW SW SW SW SW S S S S SW SW SW SW SW S S  
WIND SPD 0 2 3 8 10 8 5 4 3 4 5 6 9 8 5 5 4 4 5 6 9 6  
CLOUDS FW FW SC FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW  
POP 12HR 20 5 10 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
TSTMS S S S  
HEAT INDEX 95 98 98 94101100 92 98105102 94  
MAX HEAT 98 99 101 101 105 105  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 94 76 93 76 91 75 92  
TEMP 79 79 94 85 79 79 93 84 79 79 91 82 78 78 91 84  
DEWPT 74 74 74 75 73 73 75 76 74 75 75 76 74 74 75 75  
PWIND DIR SW SW SW SW SW SW SW S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC  
POP 12HR 10 20 20 30 20 40 20 20  
RAIN SHWRS S S S S C C S S C C S S S S  
TSTMS S S S S C C S S C C S S S S  
 

 
SCZ043-182100-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 93 72 95 74 96  
TEMP 72 76 87 93 93 86 77 74 72 76 87 94 94 86 79 76 74 77 89 96 95 87  
DEWPT 72 74 74 71 71 72 72 72 72 72 73 72 71 73 71 71 70 72 73 73 72 73  
RH 100 94 65 49 49 63 85 93100 87 63 49 47 65 77 85 87 85 59 48 48 63  
WIND DIR E SW SW S S S SW SW SW SW W SW S S S SW SW SW SW SW SW S  
WIND SPD 0 1 3 4 9 8 4 3 2 3 5 4 6 6 4 4 3 3 4 4 6 5  
CLOUDS FW FW SC FW SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW FW SC SC  
POP 12HR 20 5 10 5 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S  
TSTMS S S S S  
HEAT INDEX 95100100 92 94102101 93 97106104 94  
MAX HEAT 100 100 102 104 106 106  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 94 75 92 74 92 74 92  
TEMP 78 78 94 87 78 78 92 84 76 77 91 84 75 77 92 84  
DEWPT 73 74 72 74 73 74 75 75 74 74 75 75 73 73 73 74  
PWIND DIR SW W SW N S SW SW NE  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC  
POP 12HR 20 20 20 40 20 40 20 20  
RAIN SHWRS S S S S S S C C S S C C S S S S  
TSTMS S S S S S S C C S S C C S S S S  
 

 
GAZ099-182100-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
329 AM EDT MON JUN 18 2018  
 
DATE MON 06/18/18 TUE 06/19/18 WED 06/20/18  
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 92 72 94 75 95  
TEMP 72 75 86 91 91 86 78 74 72 75 86 93 93 88 80 76 75 78 89 94 95 89  
DEWPT 72 72 73 72 71 73 73 72 72 72 73 71 70 72 73 71 72 73 74 72 72 73  
RH 100 90 65 54 52 65 85 93100 90 65 49 47 59 79 85 90 85 61 49 48 59  
WIND DIR SE SW SW SE S S S S S SW SW SW SW SW S SW SW SW SW SW W SW  
WIND SPD 0 2 2 4 5 4 2 2 2 3 4 4 5 4 3 2 3 3 4 6 6 4  
CLOUDS FW SC SC B1 B1 SC SC FW FW FW SC SC SC SC SC FW FW FW FW SC SC SC  
POP 12HR 40 20 20 10 20  
QPF 12HR 0.03 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C S S S S  
TSTMS S C S S S S  
HEAT INDEX 93 99 98 93 93100 99 95 98102104 97  
MAX HEAT 99 100 100 100 93 102 104  
 
DATE THU 06/21/18 FRI 06/22/18 SAT 06/23/18 SUN 06/24/18  
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 96 76 95 75 93 75 94  
TEMP 78 78 94 90 78 78 95 88 78 77 92 87 77 77 93 88  
DEWPT 72 73 71 73 72 73 73 74 74 74 74 74 73 74 72 72  
PWIND DIR SW W W W SW SW S W  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC  
POP 12HR 10 20 20 30 20 40 20 20  
RAIN SHWRS S S S S C C S S C C S S S S  
TSTMS S S S S C C S S C C S S S S  
 

 
 
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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