451  
FOUS52 KCHS 200423  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1222 AM EDT SAT OCT 20 2018  
 
SCZ050-210900-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 65 84 53 65 43  
TEMP 65 65 67 77 84 81 75 74 68 60 53 56 63 64 54 49 47 45 45  
DEWPT 65 64 66 68 68 67 66 63 56 46 40 36 36 36 38 40 39 38 37  
RH 100 97 97 74 59 63 74 69 65 60 61 47 36 35 54 71 74 76 73  
WIND DIR E W SW W W W W W NW N N N N N N N N NE NE  
WIND SPD 0 0 3 11 12 11 10 11 13 13 14 17 11 9 8 5 3 4 4  
CLOUDS B1 SC B1 B2 B2 B2 B2 B1 SC FW CL CL CL CL CL CL CL CL CL  
POP 12HR 0 30 30 0 0  
QPF 12HR 0 0.03 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 70 55 74 57 74 57 68 55 69  
TEMP 69 57 56 57 73 64 61 58 74 65 60 57 68 60 57 55 67 62  
DEWPT 48 52 51 54 58 59 59 56 54 55 52 50 53 53 55 54 57 54  
PWIND DIR NE NE NE NE NE NE NE NE N  
WIND CHAR LT LT LT LT LT GN GN GN GN  
AVG CLOUDS FW SC SC B2 B2 B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 B2  
POP 12HR 5 5 10 10 10 20 30 40 40  
RAIN SHWRS S S C C C C C C  
 

 
GAZ118-210900-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 66 87 54 68 44  
TEMP 67 67 67 78 86 85 76 72 66 60 54 61 66 66 55 50 48 46 46  
DEWPT 66 66 67 69 68 68 66 62 54 47 43 37 33 35 37 39 38 38 38  
RH 97 97100 74 55 57 71 71 65 62 66 41 29 32 51 66 68 73 73  
WIND DIR W SW SW W W W W NW NW N N N N N NE NE NE NE NE  
WIND SPD 0 0 3 9 12 12 10 11 12 11 10 14 11 9 6 4 4 4 4  
CLOUDS SC SC SC B1 B2 B2 B2 B1 SC FW CL CL CL CL CL CL CL CL FW  
POP 12HR 0 30 30 0 0  
QPF 12HR 0 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C  
OBVIS PF  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 72 57 76 59 76 59 71 56 72  
TEMP 71 58 58 58 75 66 62 60 76 67 62 59 70 62 60 56 71 64  
DEWPT 50 54 53 55 59 59 60 58 57 56 55 54 54 54 56 54 58 56  
PWIND DIR NE NE NE NE NE NE NE NE N  
WIND CHAR LT LT LT LT LT LT GN LT GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 10 10 30 40 40 40  
RAIN SHWRS C C C C C C C C  
 

 
SCZ050-210900-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 69 84 55 65 47  
TEMP 72 71 71 77 84 82 77 74 69 62 56 57 63 64 56 52 50 49 49  
DEWPT 68 68 68 69 69 68 67 65 58 49 43 38 37 37 41 42 42 42 42  
RH 87 90 90 76 61 63 71 74 68 62 62 49 38 37 57 69 74 77 77  
WIND DIR E W SW W W W W W NW N N N N N N N N NE NE  
WIND SPD 1 0 5 11 12 11 11 12 14 16 16 17 12 11 9 8 6 6 6  
CLOUDS B1 SC B1 B1 B2 B2 B2 B1 SC FW CL CL CL CL CL CL CL CL FW  
POP 12HR 0 30 30 0 0  
QPF 12HR 0 0.03 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 70 59 74 59 74 60 69 58 69  
TEMP 69 60 60 60 73 66 63 60 74 68 63 60 69 63 61 58 68 64  
DEWPT 50 53 53 56 59 60 60 58 56 56 55 53 55 54 56 55 59 57  
PWIND DIR NE NE NE NE NE NE NE NE NE  
WIND CHAR LT LT LT LT GN GN GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 5 10 10 10 10 20 30 40 40  
RAIN SHWRS S S C C C C C C  
 

 
SCZ048-210900-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 66 85 54 67 44  
TEMP 69 68 69 77 84 83 75 73 68 61 55 59 65 66 54 49 48 46 46  
DEWPT 67 67 67 69 68 68 67 63 55 48 42 36 35 36 40 40 39 39 39  
RH 93 97 93 76 59 61 76 71 63 62 61 42 33 33 59 71 71 76 76  
WIND DIR N W SW W W W W W NW N N N N N N N NE NE NE  
WIND SPD 0 0 3 10 11 11 10 12 13 12 13 14 11 10 6 4 4 5 5  
CLOUDS SC SC B1 B1 B2 B2 B2 B1 SC FW CL CL CL CL CL CL CL CL FW  
POP 12HR 0 30 30 0 0  
QPF 12HR 0 0.03 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 72 57 75 59 75 59 69 56 70  
TEMP 71 59 58 58 74 66 62 60 75 66 61 59 69 61 58 56 69 62  
DEWPT 49 54 53 55 58 59 60 57 56 56 54 52 54 54 55 54 57 55  
PWIND DIR NE NE NE NE NE NE NE NE N  
WIND CHAR LT LT LT LT GN GN GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B1 B2  
POP 12HR 5 10 10 10 10 20 30 40 40  
RAIN SHWRS S S C C C C C C  
 

 
SCZ043-210900-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 84 51 65 41  
TEMP 66 64 66 76 83 82 75 71 64 57 51 58 63 64 52 48 45 43 43  
DEWPT 65 64 65 68 66 65 64 60 51 44 38 33 32 33 37 37 36 35 34  
RH 97100 97 76 57 56 69 68 63 62 61 39 31 31 56 65 70 73 70  
WIND DIR SE SW SW W W W W W NW N N N N N N N N N NE  
WIND SPD 0 0 2 9 11 10 9 9 10 9 10 12 9 8 4 2 2 2 3  
CLOUDS B1 B1 B2 B2 B2 B2 B2 SC FW FW CL CL CL CL CL CL CL CL CL  
POP 12HR 0 30 20 0 0  
QPF 12HR 0 0.04 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 70 52 74 56 74 54 67 52 67  
TEMP 69 54 53 53 73 64 59 56 73 63 57 54 66 59 54 52 66 58  
DEWPT 43 49 49 51 56 58 57 55 53 54 50 48 51 51 52 52 56 53  
PWIND DIR E NE NE NE NE NE NE NE NE  
WIND CHAR LT LT LT LT LT LT GN LT GN  
AVG CLOUDS FW SC SC B2 B2 B2 B1 B1 B1 SC B1 B1 B2 B2 B2 B1 B1 B1  
POP 12HR 5 5 10 10 10 20 30 40 40  
RAIN SHWRS S S C C C C C C  
 

 
GAZ099-210900-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
1222 AM EDT SAT OCT 20 2018  
 
DATE 10/19/18 SAT 10/20/18 SUN 10/21/18 MON  
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 65 83 52 67 42  
TEMP 65 65 67 77 83 81 74 70 63 57 52 60 66 66 53 48 45 43 43  
DEWPT 64 64 66 69 66 65 65 60 52 45 40 35 32 33 36 36 34 34 33  
RH 97 97 97 76 57 58 74 71 67 64 63 39 28 29 52 63 65 70 67  
WIND DIR SW SW SW W W W W NW NW N N NE N N NE NE NE NE NE  
WIND SPD 0 0 5 8 11 10 9 11 10 8 9 11 9 6 4 3 3 2 3  
CLOUDS SC B1 B1 B1 B2 B2 B2 SC FW FW CL CL CL CL CL CL CL CL CL  
POP 12HR 0 30 20 0 0  
QPF 12HR 0 0.03 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S  
 
DATE 10/22 TUE 10/23/18 WED 10/24/18 THU 10/25/18 FRI 10/26/18  
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 72 54 74 56 75 55 69 52 67  
TEMP 70 57 55 55 73 64 60 57 74 64 58 55 68 59 56 52 67 60  
DEWPT 43 49 50 50 56 57 56 54 55 54 51 50 51 52 51 51 54 53  
PWIND DIR E E NE NE NE NE NE NE NE  
WIND CHAR LT LT LT LT LT LT GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 B2 B1 B1 SC SC B1 B2 B2 B2 B2 B1 B1 B2  
POP 12HR 0 5 10 5 10 20 30 30 40  
RAIN SHWRS 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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