419  
FOUS52 KCHS 222045  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
445 PM EDT SUN APR 22 2018  
 
SCZ050-230900-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 61 70 63 79 60  
TEMP 70 67 62 62 62 64 68 69 69 67 68 66 63 65 74 78 77 71 65 62 60 62  
DEWPT 55 55 57 57 58 60 62 64 64 65 65 64 63 64 63 63 62 61 61 60 60 59  
RH 59 65 84 84 87 87 81 84 84 93 90 93100 97 69 60 60 71 87 93100 90  
WIND DIR SE E E E E E SE SE SE SE SE SE S S SW SW S SW SW SW W W  
WIND SPD 17 12 10 10 11 14 23 23 20 18 13 12 8 6 10 12 11 6 5 5 4 5  
WIND GUST 33 34  
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC SC FW  
POP 12HR 50 100 90 30 10  
QPF 12HR 0.10 2.01 0.94 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C D D D D L L C S S C C  
TSTMS S S S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 78 58 76 56 76 56 74 53 76  
TEMP 77 69 62 60 75 67 60 58 75 67 60 58 73 65 57 56 74 67  
DEWPT 58 59 57 55 55 56 55 54 52 54 52 51 48 51 49 48 50 53  
PWIND DIR W W W W SW W W NW E  
WIND CHAR LT LT LT LT LT LT GN LT GN  
AVG CLOUDS SC SC SC SC B1 B1 SC FW SC SC SC SC SC SC FW FW FW FW  
POP 12HR 10 10 30 20 10 10 10 5 5  
RAIN SHWRS C C S S  
 

 
GAZ118-230900-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 63 74 62 79 59  
TEMP 71 67 64 63 64 65 70 74 73 70 67 65 62 63 72 78 78 70 65 61 59 60  
DEWPT 57 58 59 60 62 63 65 66 66 66 65 64 62 62 60 59 59 60 59 58 58 57  
RH 61 73 84 90 93 93 84 76 79 87 93 97100 97 66 52 52 71 81 90 96 90  
WIND DIR SE E E E E E SE SE SE SE SE S S SW SW SW SW SW SW W W W  
WIND SPD 18 16 12 13 13 13 17 16 16 12 10 6 5 4 10 11 10 5 4 4 4 5  
CLOUDS OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC B1 SC SC SC SC FW  
POP 12HR 100 100 60 20 10  
QPF 12HR 0.35 1.55 0.16 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L D D D D L C C S S S S S  
TSTMS S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 79 58 76 55 77 55 75 53 78  
TEMP 78 70 62 60 75 67 59 58 75 67 59 57 74 65 57 56 76 68  
DEWPT 56 57 57 55 54 55 54 53 52 53 52 51 48 50 50 48 49 53  
PWIND DIR W W W W W W W NW NE  
WIND CHAR LT LT LT LT LT LT GN LT GN  
AVG CLOUDS SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW  
POP 12HR 5 10 20 10 10 10 10 5 5  
RAIN SHWRS S S  
 

 
SCZ050-230900-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 63 69 64 76 61  
TEMP 69 66 63 63 63 63 68 68 68 67 68 67 64 65 72 76 74 69 65 63 61 63  
DEWPT 56 57 58 59 59 61 63 64 65 65 65 64 64 64 64 64 63 62 62 61 60 60  
RH 63 73 84 87 87 93 84 87 90 93 90 90100 97 76 66 69 78 90 93 97 90  
WIND DIR E E E E E E SE SE SE SE SE SE S S SW S S S SW W W W  
WIND SPD 16 14 14 13 17 19 25 24 21 20 17 14 10 8 11 13 13 9 6 5 5 5  
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC SC SC SC SC FW  
POP 12HR 50 100 90 30 10  
QPF 12HR 0.09 1.87 1.05 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C D D D D L L C C C C C  
TSTMS S S S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 60 75 59 75 57 73 55 75  
TEMP 75 68 63 62 74 68 62 61 74 67 60 59 72 65 58 57 74 68  
DEWPT 59 60 58 56 56 57 55 55 53 54 53 52 49 52 50 49 51 54  
PWIND DIR SW W W W SW W W NW E  
WIND CHAR GN LT LT LT GN LT GN LT GN  
AVG CLOUDS SC SC SC SC B1 B1 SC FW SC SC SC SC SC SC FW FW FW FW  
POP 12HR 10 10 20 20 10 10 10 5 5  
RAIN SHWRS S S S S  
 

 
SCZ048-230900-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 62 71 63 78 60  
TEMP 69 66 63 63 63 65 69 71 70 67 67 66 64 64 72 77 77 70 65 62 60 61  
DEWPT 58 58 59 59 60 63 64 66 66 66 65 64 64 64 62 61 61 61 61 60 59 59  
RH 68 75 87 87 90 93 84 84 87 97 93 93100100 71 58 58 73 87 93 96 93  
WIND DIR SE E E E E E SE SE SE SE SE SE S SW SW SW SW SW SW W W W  
WIND SPD 13 13 11 10 12 13 17 17 16 13 10 8 6 4 10 10 9 4 4 5 4 5  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC SC FW  
POP 12HR 80 100 70 20 10  
QPF 12HR 0.24 2.06 0.35 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L D D D D L L C S S S S S  
TSTMS S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 78 58 76 56 76 56 75 53 76  
TEMP 77 68 62 60 75 67 60 58 75 67 60 58 74 65 57 56 74 68  
DEWPT 58 59 57 55 55 56 54 54 53 54 52 51 48 51 50 47 50 54  
PWIND DIR W W W W W W W NW NE  
WIND CHAR LT LT LT LT LT GN GN LT GN  
AVG CLOUDS SC SC SC SC B1 B1 SC FW SC SC SC SC SC SC FW FW FW FW  
POP 12HR 10 10 30 20 10 10 10 5 5  
RAIN SHWRS C C S S  
 

 
SCZ043-230900-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 60 70 61 79 57  
TEMP 71 66 61 60 60 62 67 70 68 65 65 64 61 63 72 78 78 70 63 60 58 59  
DEWPT 54 55 56 56 57 60 62 64 65 65 64 63 61 63 61 60 59 59 59 58 58 57  
RH 55 68 84 87 90 93 84 81 90100 97 97100100 68 54 52 68 87 93100 93  
WIND DIR SE E E E E E SE SE SE SE SE SE S S SW SW SW SW SW W W W  
WIND SPD 12 10 8 9 9 11 17 16 14 12 10 8 5 4 9 9 8 4 3 3 3 3  
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 SC SC SC SC FW  
POP 12HR 60 100 80 20 10  
QPF 12HR 0.19 2.22 0.47 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C C L D D D D L C C S S S S  
TSTMS S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 79 56 75 53 77 53 75 50 78  
TEMP 78 69 60 58 74 65 57 56 75 66 58 56 73 64 55 53 76 67  
DEWPT 56 57 55 54 53 55 53 53 50 52 50 50 46 48 48 46 48 51  
PWIND DIR W W W W W W W NW N  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS SC SC SC SC B1 B1 SC FW SC SC SC SC SC SC FW FW FW FW  
POP 12HR 10 10 30 20 10 10 10 5 5  
RAIN SHWRS C C S S  
 

 
GAZ099-230900-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
445 PM EDT SUN APR 22 2018  
 
DATE 04/22/18 MON 04/23/18 TUE 04/24/18 WED  
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 62 75 59 78 57  
TEMP 69 67 63 63 63 64 68 74 74 70 65 63 60 60 70 76 78 72 64 61 58 59  
DEWPT 57 57 58 60 62 64 65 66 66 66 65 63 60 59 58 58 58 58 58 58 58 57  
RH 66 70 84 90 97100 90 76 76 87100100100 96 66 54 50 61 81 90100 93  
WIND DIR E SE E E SE SE SE SE SE SE SE S SW SW W W W W W W W W  
WIND SPD 12 12 12 13 13 12 11 11 10 10 9 4 4 3 8 9 8 4 3 4 3 4  
CLOUDS OV OV OV OV OV OV OV OV B2 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC FW  
POP 12HR 100 100 60 20 10  
QPF 12HR 0.47 0.77 0.17 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C L D D D D D L C C S S S S  
TSTMS S S S S  
 
DATE 04/25 THU 04/26/18 FRI 04/27/18 SAT 04/28/18 SUN 04/29/18  
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 78 57 74 54 76 52 74 51 78  
TEMP 76 72 61 59 73 65 58 57 74 65 57 55 72 64 55 54 76 67  
DEWPT 55 56 56 55 53 55 53 52 51 53 50 50 48 49 48 47 47 51  
PWIND DIR W W W W W W W NW N  
WIND CHAR GN LT LT LT GN LT GN LT LT  
AVG CLOUDS SC SC SC B1 B1 B1 FW FW SC SC SC SC SC FW FW FW FW FW  
POP 12HR 5 20 30 10 10 10 10 5 5  
RAIN SHWRS S S 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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