Headwater Guidance
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
905 FOUS72 KALR 101928 FFHSJU HEADWATER GUIDANCE...SAN JUAN CWA NATIONAL WEATHER SERVICE SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA 327 PM EDT FRI MAY 10 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 20240510 Z DH18/DC202405101927 /DUE/PPHCF/PPTCF/PPQCF : :IDENT 1HR 3HR 6HR :======= ==== ==== ==== AREP4 1.5/ 1.9/ 2.6 CAGP4 1.6/ 2.2/ 3.1 CIAP4 1.5/ 1.9/ 2.4 COAP4 1.7/ 2.3/ 3.1 COMP4 1.4/ 1.8/ 2.3 GURP4 1.6/ 2.0/ 2.7 HORP4 2.3/ 3.0/ 3.7 MANP4 1.1/ 1.4/ 1.9 MOCP4 1.3/ 1.9/ 2.7 RPOP4 1.1/ 1.4/ 1.9 SEBP4 1.5/ 1.9/ 2.4 TOAP4 1.6/ 1.9/ 2.5 VGBP4 1.4/ 1.7/ 2.3 : : 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