


Headwater Guidance
Issued by NWS Raleigh/Durham, NC
Issued by NWS Raleigh/Durham, NC
215 FOUS72 KALR 021350 FFHRAH FOUS72 KALR 021350 HEADWATER GUIDANCE...RALEIGH CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 949 AM EDT TUE SEP 2 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 20250902 Z DH12/DC202509021349 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR :======= ==== ==== ==== ==== ==== BCMN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 BRSN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 HAWN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 HPNN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 NBCN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 NBUN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 NBWN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 NRWN7 3.0/ 3.5/ 3.6/ 3.9/ 4.5 OKRN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 RLHN7 2.9/ 3.4/ 3.7/ 4.4/ 5.7 RYAN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 SBCN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 SBHN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 SBPN7 3.0/ 4.5/ 4.6/ 5.0/ 5.6 : : 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