311  
FOUS52 KCHS 240504  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
103 AM EDT TUE OCT 24 2017  
 
SCZ050-250900-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 76 50 67 45  
TEMP 63 62 61 70 75 73 62 57 54 53 50 61 66 65 56 51 49 47 47  
DEWPT 63 62 58 58 55 53 55 53 48 43 42 42 40 40 42 42 41 40 40  
RH 100100 90 66 50 49 78 86 80 69 74 49 38 40 59 71 74 76 76  
WIND DIR W W W W W W W W NW NW NW NW NW W W W NW NW N  
WIND SPD 9 5 4 5 8 8 4 5 9 8 5 8 9 9 5 4 3 3 3  
CLOUDS B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL  
POP 12HR 10 5 0 0 0  
QPF 12HR 0.08 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 68 47 75 56 75 56 69 47 66  
TEMP 67 56 51 49 74 62 58 57 75 66 61 56 69 60 52 47 65 56  
DEWPT 43 46 45 43 48 52 54 55 59 59 56 53 52 52 46 43 43 45  
PWIND DIR N NE SE E E NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS CL CL CL CL FW FW FW SC B1 B1 B1 B1 B1 SC SC FW FW FW  
POP 12HR 0 0 5 5 20 20 20 10 5  
RAIN SHWRS S S S S S S  
 

 
GAZ118-250900-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 77 49 68 44  
TEMP 62 60 59 70 76 74 62 57 54 51 48 60 66 67 57 52 48 46 45  
DEWPT 62 59 56 56 54 52 53 50 45 42 40 40 39 39 41 40 40 39 38  
RH 100 96 90 61 46 46 72 77 71 71 74 47 37 36 55 63 74 76 76  
WIND DIR W NW W W W W W NW NW NW NW NW NW W NW NW NW NW NW  
WIND SPD 6 4 4 5 8 9 4 6 9 8 5 8 11 10 5 4 3 3 3  
CLOUDS SC FW SC FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL  
POP 12HR 10 0 0 0 0  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 69 48 76 56 76 55 70 47 67  
TEMP 67 57 51 49 75 65 58 58 75 67 61 55 68 58 51 47 66 57  
DEWPT 42 45 45 43 49 52 55 55 58 58 54 49 49 48 44 42 42 44  
PWIND DIR N NE E NE E NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS CL CL CL CL FW FW FW SC B1 B1 B1 B1 SC SC SC FW FW FW  
POP 12HR 0 0 5 5 20 20 20 10 5  
RAIN SHWRS S S S S S S  
 

 
SCZ050-250900-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 77 53 67 48  
TEMP 66 64 64 72 76 75 64 59 57 55 53 62 66 65 57 53 51 50 49  
DEWPT 66 63 59 58 56 54 55 53 49 45 43 42 41 41 42 42 41 41 41  
RH 100 97 84 61 50 48 73 80 75 69 69 48 40 41 57 66 68 71 74  
WIND DIR W W W W W W W W NW NW NW NW NW NW NW NW NW NW N  
WIND SPD 10 8 6 6 8 8 6 8 12 11 8 9 10 11 8 6 6 6 5  
CLOUDS B2 B1 SC FW FW FW FW FW SC FW FW FW FW FW FW CL CL CL CL  
POP 12HR 10 5 0 0 0  
QPF 12HR 0.10 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 68 50 75 59 75 58 70 50 66  
TEMP 67 57 53 52 74 64 60 60 75 66 61 58 69 61 54 50 65 57  
DEWPT 43 46 46 45 48 52 55 56 59 60 58 53 52 52 47 45 44 46  
PWIND DIR N NE SE E SE SW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN GN LT  
AVG CLOUDS CL CL CL CL FW FW FW SC B1 B1 B1 B1 B1 SC SC FW FW FW  
POP 12HR 0 0 5 10 20 20 20 10 10  
RAIN SHWRS S S S S S S  
 

 
SCZ048-250900-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 59 76 50 67 45  
TEMP 63 61 60 70 75 73 62 57 54 52 50 60 66 66 56 52 49 47 46  
DEWPT 63 58 56 55 53 51 53 51 46 42 41 41 38 39 41 40 40 39 39  
RH 100 90 87 59 46 46 72 80 74 69 71 49 36 37 57 63 71 74 76  
WIND DIR W W W W W W W W NW NW NW NW NW W W NW NW NW NW  
WIND SPD 8 5 4 6 8 8 5 6 9 8 6 9 11 10 5 4 4 4 3  
CLOUDS B1 SC SC FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL  
POP 12HR 10 0 0 0 0  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 68 48 75 56 75 55 70 47 67  
TEMP 66 57 52 50 74 64 59 58 74 65 62 56 68 59 52 47 65 56  
DEWPT 42 45 45 43 48 52 55 55 57 58 54 51 49 49 45 43 42 44  
PWIND DIR N NE SE E SE NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS CL CL CL CL FW FW FW SC B1 B1 B1 B1 SC SC SC FW FW FW  
POP 12HR 0 0 5 5 20 20 20 10 5  
RAIN SHWRS S S S S S S  
 

 
SCZ043-250900-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 56 77 46 66 42  
TEMP 60 58 57 69 76 74 61 54 51 49 46 59 65 65 54 50 46 44 43  
DEWPT 60 58 55 56 51 50 52 49 44 41 39 40 38 38 40 40 39 38 38  
RH 100100 93 63 42 43 72 83 77 74 76 49 37 37 59 68 76 79 82  
WIND DIR W W W W W W W W NW NW NW NW W W W W W NW NW  
WIND SPD 5 3 3 4 8 8 4 4 6 5 4 6 9 9 4 2 2 2 2  
CLOUDS B1 SC SC FW FW FW FW FW SC FW FW FW FW FW CL CL CL CL CL  
POP 12HR 10 0 0 0 0  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 68 44 75 52 75 52 69 43 66  
TEMP 66 54 48 46 73 61 56 54 74 62 58 52 68 57 48 44 64 53  
DEWPT 41 44 42 41 46 50 52 52 55 57 53 49 49 48 43 41 39 42  
PWIND DIR N NE SE NE SW NW NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS CL CL CL CL FW FW FW SC SC B1 B1 B1 SC SC SC FW FW FW  
POP 12HR 0 0 5 5 20 20 20 10 5  
RAIN SHWRS S S S S S S  
 

 
GAZ099-250900-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
103 AM EDT TUE OCT 24 2017  
 
DATE 10/23/17 TUE 10/24/17 WED 10/25/17 THU  
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 75 45 66 42  
TEMP 58 56 55 67 74 72 59 53 50 48 46 58 64 65 53 49 46 44 43  
DEWPT 58 55 53 55 51 50 51 47 43 41 39 40 38 39 41 40 39 38 38  
RH 100 96 93 65 44 46 75 80 77 77 76 51 38 38 64 71 76 79 82  
WIND DIR W W W W W W W NW NW NW NW NW W W W NW NW NW NW  
WIND SPD 5 3 4 5 9 9 5 6 6 4 3 8 10 10 4 2 3 2 2  
CLOUDS FW FW SC FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL  
POP 12HR 5 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
 
DATE 10/26 FRI 10/27/17 SAT 10/28/17 SUN 10/29/17 MON 10/30/17  
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 69 45 76 54 75 51 68 43 66  
TEMP 66 55 49 47 73 63 57 54 73 63 57 51 67 56 49 44 64 53  
DEWPT 41 45 44 42 47 51 51 50 55 55 50 46 44 46 42 40 39 42  
PWIND DIR N E SE SE W NW NW NW NW  
WIND CHAR LT LT LT LT LT LT GN LT LT  
AVG CLOUDS CL CL CL CL FW FW FW SC SC B1 B1 B1 SC SC SC FW FW FW  
POP 12HR 0 0 5 5 20 20 10 10 5  
RAIN SHWRS 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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