071  
FOUS52 KCHS 281616  
PFMCHS  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE CHARLESTON SC  
ISSUED BY NATIONAL WEATHER SERVICE WILMINGTON NC  
1216 PM EDT FRI APR 28 2017  
 
SCZ050-290730-  
CHARLESTON INTERNATIONAL AIRPORT-CHARLESTON SC  
32.91N 80.03W ELEV. 45 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 72 87 71 86 71  
TEMP 85 80 76 74 73 74 84 87 85 79 74 72 71 73 82 85 85 78 73 72 71 73  
DEWPT 70 72 72 72 71 71 70 70 69 70 70 70 70 70 70 68 68 68 69 69 69 69  
RH 61 77 87 93 93 90 63 57 59 74 87 93 97 90 67 57 57 71 87 90 93 87  
WIND DIR S S S S S S S S S S S S S S S S S S S S S S  
WIND SPD 14 12 9 8 5 8 10 11 13 11 9 6 4 6 13 17 17 14 12 11 10 12  
CLOUDS SC SC SC SC SC SC SC SC FW FW SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2  
POP 12HR 5 10 5 20 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
OBVIS PF  
HEAT INDEX 90 92  
MAX HEAT 90 92 92  
COAST FLOOD Y  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 84 63 81 60 83 65 80 62 74  
TEMP 84 76 68 64 79 71 62 63 82 73 67 68 80 73 66 64 74 71  
DEWPT 68 69 65 59 54 57 58 58 58 62 64 65 66 66 64 62 60 55  
PWIND DIR S SW W SW SW S S SW W  
WIND CHAR BZ GN GN LT LT LT GN GN GN  
AVG CLOUDS B1 B2 B2 B1 SC SC FW FW SC SC B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 50 70 10 5 10 30 60 50 30  
RAIN SHWRS C C L C C C L L C C C C  
TSTMS C C L C C C L L S S S S  
 

 
GAZ118-290730-  
SAVANNAH INTERNATIONAL AIRPORT-INLAND CHATHAM GA  
32.12N 81.20W ELEV. 50 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 72 88 69 87 70  
TEMP 87 81 77 75 73 75 84 88 87 81 75 72 70 72 83 86 85 80 74 71 70 73  
DEWPT 69 70 71 71 70 71 71 68 68 69 69 70 69 69 69 67 67 67 69 70 69 68  
RH 55 69 82 87 90 87 65 52 53 67 82 93 97 90 63 53 55 65 84 97 97 84  
WIND DIR SE SE S S S S S SE SE SE SE SE SE S S S S SE S S S S  
WIND SPD 16 16 10 8 5 9 10 12 16 13 10 6 3 5 16 17 19 17 13 11 11 13  
CLOUDS CL FW FW SC SC SC B1 SC SC SC SC B1 B2 B2 B1 B1 B1 SC SC B1 B1 B2  
POP 12HR 5 10 0 20 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
HEAT INDEX 91 92 91  
MAX HEAT 91 92 92  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 86 62 82 60 85 65 82 61 75  
TEMP 86 78 68 62 80 72 62 63 84 75 67 67 81 75 64 62 75 71  
DEWPT 67 67 64 57 53 57 58 58 59 62 65 65 66 66 63 59 58 53  
PWIND DIR S SW W SW S S SW SW W  
WIND CHAR BZ LT LT LT LT LT GN GN GN  
AVG CLOUDS B2 B2 B2 B1 SC SC FW FW SC SC B1 B2 B2 OV B2 B1 SC SC  
POP 12HR 60 60 10 5 20 30 60 40 30  
RAIN SHWRS C L L C S S C C L L C C C C  
TSTMS C L L C S S C C L L S S S S  
 

 
SCZ050-290730-  
CHARLESTON WATERFRONT-CHARLESTON SC  
32.78N 79.94W ELEV. 10 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 72 85 71 83 73  
TEMP 83 79 75 74 73 74 82 84 83 77 74 73 71 73 80 83 82 77 74 74 73 74  
DEWPT 71 72 72 72 71 71 72 71 70 71 71 71 71 71 70 69 69 68 69 70 70 70  
RH 67 79 90 93 93 90 72 65 65 82 90 93100 93 72 63 65 74 84 87 90 87  
WIND DIR S S S S S S S S S S S S S S S S S S S S S S  
WIND SPD 14 12 11 10 6 9 10 12 14 12 9 8 5 8 14 17 17 14 13 12 12 14  
CLOUDS SC SC SC SC SC SC B1 SC SC FW SC B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2  
POP 12HR 5 5 5 10 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C  
TSTMS C  
OBVIS PF  
COAST FLOOD Y  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 81 65 79 63 81 68 79 64 74  
TEMP 81 75 69 66 78 71 65 65 81 73 69 69 79 72 66 65 74 70  
DEWPT 69 69 67 61 55 58 59 59 59 63 65 66 67 67 65 63 62 56  
PWIND DIR S SW W SW S S SW SW W  
WIND CHAR BZ GN GN LT LT GN BZ GN GN  
AVG CLOUDS B1 B2 B2 B1 SC SC FW FW SC SC B1 B2 B2 B2 B2 B2 B1 SC  
POP 12HR 50 70 10 5 10 30 60 50 30  
RAIN SHWRS C C L C C C L L C C C C  
TSTMS C C L C C C L L S S S S  
 

 
SCZ048-290730-  
BEAUFORT MARINE CORPS AIR STATION-BEAUFORT SC  
32.48N 80.72W ELEV. 37 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 72 87 71 85 72  
TEMP 85 80 76 74 73 74 82 86 86 78 74 73 71 74 81 84 84 78 75 73 73 75  
DEWPT 71 72 72 71 71 71 70 70 70 70 70 71 71 71 69 67 67 67 68 70 70 69  
RH 63 77 87 90 93 90 67 59 59 76 87 93100 90 67 57 57 69 79 90 90 82  
WIND DIR S S S S S S S S S S S SE S S S S S S S S S S  
WIND SPD 10 10 8 6 4 8 9 10 11 9 8 6 5 6 12 13 13 12 11 11 11 13  
CLOUDS CL FW FW SC SC SC B1 SC SC SC SC B1 B2 B2 B2 B1 B1 SC SC B1 B1 B2  
POP 12HR 5 10 0 20 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
OBVIS PF PF  
HEAT INDEX 90 91 91  
MAX HEAT 91 91 91  
COAST FLOOD Y  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 85 62 81 60 83 66 81 62 75  
TEMP 84 76 69 63 80 72 64 64 82 73 67 69 81 74 66 63 75 72  
DEWPT 67 67 64 58 52 56 58 59 58 62 64 65 65 66 64 61 58 53  
PWIND DIR S SW W SW S S SW SW W  
WIND CHAR BZ GN GN LT LT LT GN GN GN  
AVG CLOUDS B2 B2 B2 B1 SC SC FW FW SC SC B1 B2 B2 B2 B2 B1 SC SC  
POP 12HR 60 60 10 5 10 30 60 40 30  
RAIN SHWRS C L L C C C L L C C C C  
TSTMS C L L C C C L L S S S S  
 

 
SCZ043-290730-  
WALTERBORO-INLAND COLLETON SC  
32.91N 80.67W ELEV. 98 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 71 89 68 87 69  
TEMP 88 82 77 75 73 73 82 88 88 79 73 69 68 70 81 86 86 80 73 71 69 72  
DEWPT 69 70 71 71 70 71 69 67 67 68 68 69 68 69 68 65 65 66 68 68 69 69  
RH 54 67 82 87 90 93 65 50 50 69 84100100 97 65 50 50 62 84 90100 90  
WIND DIR S S S S S S S S S S S SE S S S S S S S S S S  
WIND SPD 11 10 6 5 4 6 8 9 11 9 6 5 4 5 10 13 12 10 10 10 10 12  
CLOUDS CL FW FW SC SC SC SC SC FW FW SC B1 B2 B2 B2 B1 B1 SC SC B1 B1 B2  
POP 12HR 5 5 0 20 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
OBVIS PF  
HEAT INDEX 92 91 91  
MAX HEAT 93 91 92  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 86 59 81 57 84 62 80 59 74  
TEMP 86 75 65 60 78 70 59 60 83 74 64 65 80 73 63 61 73 69  
DEWPT 64 66 61 57 51 54 56 57 55 60 62 63 63 64 62 60 56 53  
PWIND DIR S SW W SW S S SW SW W  
WIND CHAR BZ LT LT LT LT LT GN LT GN  
AVG CLOUDS B2 B2 B2 B1 SC FW FW FW SC SC B1 B2 B2 OV B2 B2 B1 SC  
POP 12HR 60 60 10 5 10 30 60 40 30  
RAIN SHWRS C L L C C C L L C C C C  
TSTMS C L L C C C L L S S S S  
 

 
GAZ099-290730-  
METTER-CANDLER GA  
32.40N 82.06W ELEV. 197 FT  
1216 PM EDT FRI APR 28 2017  
 
DATE 04/28/17 SAT 04/29/17 SUN 04/30/17 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 71 92 69 89 68  
TEMP 89 82 77 74 72 73 84 90 92 85 75 71 69 71 81 88 89 84 73 70 68 72  
DEWPT 65 67 70 69 69 69 70 66 64 67 68 68 69 69 67 63 63 63 65 67 67 67  
RH 45 61 79 84 90 87 63 45 40 55 79 90100 93 63 43 42 49 76 90 97 84  
WIND DIR S SE SE S S S S S SE SE SE SE SE S S S S SE SE S S S  
WIND SPD 8 6 8 5 4 8 9 8 10 10 9 9 8 8 11 11 12 14 13 10 10 11  
CLOUDS CL FW FW SC SC SC SC SC SC SC SC B1 B2 B2 B1 B1 SC SC SC B1 B2 B2  
POP 12HR 5 5 0 20 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
HEAT INDEX 91 93 94 90  
MAX HEAT 92 93 94 90  
 
DATE 05/01 TUE 05/02/17 WED 05/03/17 THU 05/04/17 FRI 05/05/17  
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 87 59 82 58 86 63 81 57 75  
TEMP 87 80 66 60 79 73 61 61 84 77 65 64 80 75 61 59 70 68  
DEWPT 63 66 60 58 50 54 56 57 56 60 62 63 64 64 60 58 54 50  
PWIND DIR SW W W SW S S SW SW W  
WIND CHAR BZ LT LT LT LT LT GN GN GN  
AVG CLOUDS B2 B2 B1 B1 SC FW FW FW SC SC B1 B2 B2 OV B2 B1 SC FW  
POP 12HR 70 50 10 5 20 30 60 40 20  
RAIN SHWRS C L C S S S C C L L C C S S  
TSTMS C L C S S S C C L L 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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