


Headwater Guidance
Issued by NWS Raleigh/Durham, NC
Issued by NWS Raleigh/Durham, NC
121 FOUS72 KALR 031231 FFHRAH FOUS72 KALR 031231 HEADWATER GUIDANCE...RALEIGH CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 830 AM EDT THU APR 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 20250403 Z DH12/DC202504031230 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR :======= ==== ==== ==== ==== ==== BCMN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 BRSN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 HAWN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 HPNN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 NBCN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 NBUN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 NBWN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 NRWN7 2.2/ 2.5/ 2.6/ 2.9/ 3.4 OKRN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 RLHN7 2.1/ 2.6/ 2.8/ 3.3/ 4.4 RYAN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 SBCN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 SBHN7 2.6/ 3.0/ 3.1/ 3.3/ 3.9 SBPN7 2.6/ 3.0/ 3.1/ 3.3/ 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 $$ S.E.R.F.C. 770-486-0028 or 770-282-2112 Regular Hours 6am-10pm Eastern Time After Hours Please Follow Callback Instructions