


Headwater Guidance
Issued by NWS Raleigh/Durham, NC
Issued by NWS Raleigh/Durham, NC
363 FOUS72 KALR 031836 FFHRAH FOUS72 KALR 031836 HEADWATER GUIDANCE...RALEIGH CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 235 PM EDT WED SEP 3 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 20250903 Z DH18/DC202509031835 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR :======= ==== ==== ==== ==== ==== BCMN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 BRSN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 HAWN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 HPNN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 NBCN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 NBUN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 NBWN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 NRWN7 3.0/ 3.6/ 3.7/ 4.0/ 4.6 OKRN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 RLHN7 2.9/ 3.4/ 3.7/ 4.4/ 5.7 RYAN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 SBCN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 SBHN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 SBPN7 3.0/ 4.6/ 4.7/ 5.1/ 5.7 : : 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