644
FOUS72 KALR 101402
FFHRAH
FOUS72 KALR 101402
HEADWATER GUIDANCE...RALEIGH CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
1001 AM EDT TUE MAR 10 2026
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 20260310 Z DH12/DC202603101401 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:
:IDENT 1HR 3HR 6HR 12HR 24HR
:======= ==== ==== ==== ==== ====
BCMN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
BRSN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
HAWN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
HPNN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
NBCN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
NBUN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
NBWN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
NRWN7 1.9/ 2.3/ 2.4/ 2.7/ 3.3
OKRN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
RLHN7 2.1/ 2.7/ 3.0/ 3.7/ 5.2
RYAN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
SBCN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
SBHN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
SBPN7 2.6/ 3.0/ 3.1/ 3.4/ 4.1
:
: 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
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