


Headwater Guidance
Issued by NWS
Issued by NWS
653 FOUS72 KALR 061424 FFHTAE HEADWATER GUIDANCE...TALLAHASSEE CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 916 AM EDT FRI JUN 6 2025 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 20250606 Z DH12/DC202506061316 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR :======= ==== ==== ==== ARTA1 3.0/ 3.6/ 3.9 : : 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 $$