930  
FOUS52 KCHS 212251  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
651 PM EDT SAT APR 21 2018  
 
SCZ050-220900-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 54 71 59 68 62  
TEMP 64 58 56 54 58 69 70 67 63 59 59 59 60 64 68 66 65 64 64 63 64  
DEWPT 50 51 52 53 54 53 53 54 55 56 57 58 59 60 61 62 62 62 63 63 63  
RH 60 77 86 96 86 57 55 63 75 90 93 96 96 87 78 87 90 93 97100 97  
WIND DIR E E E NE E E E E E E E E E SE E SE E SE SE SE S  
WIND SPD 9 6 5 5 6 12 14 11 11 11 11 11 13 18 24 21 18 14 13 10 9  
WIND GUST 34  
CLOUDS SC SC SC SC SC B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2  
POP 12HR 5 20 90 100 90  
QPF 12HR 0 0 0.13 2.20 1.37  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L D D D D D D D D C  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 75 60 77 58 76 57 76 56 73  
TEMP 74 69 63 62 76 69 62 60 75 68 61 59 75 67 60 58 72 64  
DEWPT 64 63 61 59 59 58 56 54 52 54 54 54 53 55 53 50 47 51  
PWIND DIR S SW W W W W SW SW W  
WIND CHAR GN LT LT LT GN LT LT LT GN  
AVG CLOUDS B2 B1 B1 SC B1 SC SC B1 SC SC FW SC SC SC SC SC FW FW  
POP 12HR 40 30 20 10 20 10 10 20 10  
RAIN SHWRS C C C C S S S S S S  
 

 
GAZ118-220900-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 58 72 61 71 62  
TEMP 67 61 59 58 60 69 72 69 64 62 61 61 62 66 71 70 66 66 66 63 63  
DEWPT 54 55 55 56 56 57 57 58 58 59 59 60 61 63 64 64 63 63 63 63 62  
RH 63 81 87 93 87 66 59 68 81 90 93 97 97 90 79 81 90 90 90100 97  
WIND DIR E E E E E E E E E E E E E SE SE SE SE SE SE S S  
WIND SPD 11 9 6 6 8 13 16 12 12 12 12 12 13 17 19 17 13 10 9 6 6  
CLOUDS B1 B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2  
POP 12HR 10 40 100 100 60  
QPF 12HR 0 0.04 0.73 1.73 0.27  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L D D D D D D L L L L S  
TSTMS S S  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 76 59 79 57 76 56 77 55 73  
TEMP 75 69 62 61 78 69 61 59 75 67 60 59 76 67 59 57 72 64  
DEWPT 61 61 59 58 58 57 55 53 51 54 53 54 53 54 54 51 48 51  
PWIND DIR SW W W W W W SW W W  
WIND CHAR LT LT LT LT GN LT LT GN GN  
AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC FW FW  
POP 12HR 20 20 10 10 20 10 10 20 10  
RAIN SHWRS S S S S S S S S  
 

 
SCZ050-220900-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 57 69 60 68 63  
TEMP 63 59 58 57 60 68 68 66 63 61 61 60 61 64 67 67 65 65 64 63 65  
DEWPT 51 53 54 54 55 54 55 55 56 57 58 58 59 61 62 62 62 63 63 63 63  
RH 65 80 86 90 84 61 63 68 78 87 90 93 93 90 84 84 90 93 97100 93  
WIND DIR E E E E E E E E E E E E E E E E E SE SE SE S  
WIND SPD 11 9 9 8 10 14 16 14 16 16 14 14 17 21 25 23 20 19 18 14 11  
CLOUDS SC SC SC SC B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2  
POP 12HR 5 20 90 100 90  
QPF 12HR 0 0 0.13 2.38 1.39  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L D D D D D D D D C  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 73 61 76 59 75 58 75 57 72  
TEMP 73 68 63 63 75 69 62 61 74 68 61 60 74 67 60 59 71 65  
DEWPT 64 63 61 60 60 59 57 55 53 55 54 55 54 56 54 51 48 52  
PWIND DIR S SW W W W W SW W W  
WIND CHAR GN LT GN LT GN LT GN GN GN  
AVG CLOUDS B2 B1 B1 SC B1 SC SC SC SC SC FW SC SC SC SC SC FW FW  
POP 12HR 30 30 20 10 20 10 10 20 10  
RAIN SHWRS C C C C S S S S S S  
 

 
SCZ048-220900-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 57 71 60 69 63  
TEMP 64 60 58 57 59 68 71 67 63 61 61 61 62 66 68 68 63 67 66 63 64  
DEWPT 53 53 54 54 55 56 57 57 58 58 58 59 60 62 63 63 63 63 63 63 63  
RH 67 78 86 90 87 65 61 70 84 90 90 93 93 87 84 84100 87 90100 97  
WIND DIR E E E E E E E E E E E E E SE E SE SE SE SE S S  
WIND SPD 11 8 8 6 8 11 13 12 12 12 12 12 14 17 19 18 14 11 10 9 6  
CLOUDS SC B1 B1 B1 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2  
POP 12HR 5 40 90 100 80  
QPF 12HR 0 0 0.36 2.43 0.52  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L D D D D D D D D D C  
TSTMS S S  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 75 59 77 57 76 57 76 56 73  
TEMP 74 68 62 61 76 68 61 59 75 68 61 59 75 67 60 58 72 64  
DEWPT 63 63 60 58 58 58 56 54 52 55 54 54 53 55 54 51 48 51  
PWIND DIR S W W W W W SW W W  
WIND CHAR LT LT LT LT GN LT LT GN GN  
AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC FW SC SC SC SC SC FW FW  
POP 12HR 30 20 20 10 20 10 10 20 10  
RAIN SHWRS C C S S S S S S S S  
 

 
SCZ043-220900-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 52 71 57 68 60  
TEMP 65 57 54 52 55 68 71 69 62 58 58 57 59 63 68 67 64 64 62 61 62  
DEWPT 49 49 49 49 51 52 53 54 55 55 56 57 58 60 61 61 61 61 61 61 62  
RH 56 75 83 89 86 57 53 59 78 90 93100 96 90 78 81 90 90 97100100  
WIND DIR E E E NE E E SE E E E E E E SE E E E SE SE SE S  
WIND SPD 6 5 4 4 6 10 11 10 10 10 10 10 11 16 17 16 14 10 9 8 6  
CLOUDS SC SC SC SC SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2  
POP 12HR 5 30 90 100 80  
QPF 12HR 0 0 0.20 1.88 0.69  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C L D D D D D D D D D C  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 76 57 78 55 76 54 77 53 73  
TEMP 75 68 60 60 77 68 59 58 75 66 58 57 75 66 58 55 72 63  
DEWPT 62 62 59 57 57 57 54 52 50 53 52 54 50 53 51 49 46 48  
PWIND DIR S W W W W W SW SW W  
WIND CHAR LT LT LT LT GN LT LT LT GN  
AVG CLOUDS B2 B1 B1 B1 B1 SC SC B1 SC SC FW SC SC SC SC SC FW FW  
POP 12HR 30 30 20 10 20 10 20 20 10  
RAIN SHWRS C C C C S S S S S S S S  
 

 
GAZ099-220900-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
651 PM EDT SAT APR 21 2018  
 
DATE 04/21/18 SUN 04/22/18 MON 04/23/18 TUE  
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 57 71 60 72 61  
TEMP 68 60 58 57 58 66 71 68 63 60 60 60 62 65 71 71 68 65 64 62 62  
DEWPT 52 53 53 54 54 55 57 58 58 59 59 60 61 63 64 64 64 63 62 62 61  
RH 57 78 83 90 86 68 61 70 84 96 96100 97 93 79 79 87 93 93100 97  
WIND DIR SE E E E E E E E E E E E SE SE SE SE SE SE S S SW  
WIND SPD 8 8 6 6 9 11 12 11 13 13 13 13 14 16 13 11 11 10 5 5 6  
CLOUDS B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2  
POP 12HR 10 40 100 100 60  
QPF 12HR 0 0.06 0.71 1.30 0.26  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L D D D D D D L L L L S  
TSTMS S S  
 
DATE 04/24 WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18  
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 75 58 77 55 75 55 76 53 74  
TEMP 74 69 61 60 76 67 59 57 74 66 59 58 75 66 57 56 73 64  
DEWPT 59 59 58 57 56 56 54 53 50 54 53 54 52 53 51 50 47 50  
PWIND DIR SW NW W W W W W W W  
WIND CHAR LT LT LT LT GN LT LT LT GN  
AVG CLOUDS B1 B1 B1 B1 B1 SC SC B1 SC SC FW SC SC SC SC SC FW FW  
POP 12HR 20 20 10 10 20 10 20 20 10  
RAIN SHWRS S S S S S S 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  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SC Page
The Nexlab GA Page Main Text Page