Headwater Guidance
Issued by NWS Columbia, SC
Issued by NWS Columbia, SC
777 FOUS72 KALR 240039 FFHCAE HEADWATER GUIDANCE...COLUMBIA CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 738 PM EST SAT NOV 23 2024 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 20241124 Z DH00/DC202411240038 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF : :IDENT 1HR 3HR 6HR 12HR 24HR :======= ==== ==== ==== ==== ==== BLRS1 3.0/ 4.7/ 5.2/ 6.3/ 7.7 MODS1 3.0/ 4.2/ 4.6/ 5.3/ 6.2 ORBS1 2.6/ 3.6/ 5.6/ 7.0/ 8.0 : : 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