


Headwater Guidance
Issued by NWS Raleigh/Durham, NC
Issued by NWS Raleigh/Durham, NC
646 FOUS72 KALR 061424 FFHRAH HEADWATER GUIDANCE...RALEIGH 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/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR :======= ==== ==== ==== ==== ==== BCMN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 BRSN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 HAWN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 HPNN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 NBCN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 NBUN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 NBWN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 NRWN7 2.4/ 2.8/ 2.9/ 3.2/ 3.8 OKRN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 RLHN7 2.4/ 2.9/ 3.2/ 3.9/ 5.1 RYAN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 SBCN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 SBHN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 SBPN7 2.9/ 3.3/ 3.4/ 3.7/ 4.2 : : 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 $$