211  
FOUS72 KALR 011843  
FFHFFC  
FOUS72 KALR 011843  
HEADWATER GUIDANCE...ATLANTA CWA  
NATIONAL WEATHER SERVICE  
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA  
135 PM EST MON MAR 1 2021  
 
INCHES OF RAINFALL FOR SPECIFIED DURATIONS REQUIRED TO PRODUCE  
FLASH FLOODING IN HEADWATERS. LOWER AMOUNTS MAY CAUSE  
FLASH FLOODING IN URBAN OR MOUNTAINOUS AREAS.  
 
.B ALR 20210301 Z DH18/DC202103011835 /DUE/PPHCF/PPTCF/PPQCF  
:  
:IDENT 1HR 3HR 6HR  
:======= ==== ==== ====  
 
AANG1 2.6/ 3.0/ 3.2  
ARAG1 2.8/ 3.3/ 3.8  
CNNG1 2.6/ 3.1/ 3.4  
CTWG1 2.7/ 3.2/ 3.7  
HDCG1 2.5/ 2.9/ 3.1  
MARG1 2.6/ 3.0/ 3.2  
RMTG1 2.8/ 3.3/ 3.8  
:  
: TO USE HEADWATER ADVISORY TABLES TAKE THE THREE HOUR VALUE ABOVE FOR  
: THAT LOCATION AND USE THE FOLLOWING RELATIONS...  
: TABLE 1 / 0 TO 2.4 IN TABLE 4 / 4.1 TO 4.5 IN  
: 2 / 2.5 TO 3.3 IN 5 / 4.6 TO 4.9 IN  
: 3 / 3.4 TO 4.0 IN 6 / 5.0 IN  
:  
.END  

 
S.E.R.F.C. 770-486-0028 OR 770-282-2112  
REGULAR HOURS 6AM-10PM EASTERN TIME  
AFTER HOURS PLEASE FOLLOW CALLBACK INSTRUCTIONS  
 
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