Headwater Guidance
Issued by NWS Raleigh/Durham, NC

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229
FOUS72 KALR 071338
FFHRAH
HEADWATER GUIDANCE...RALEIGH CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
936 AM EDT SAT JUN 7 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 20250607 Z DH12/DC202506071336 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:
:IDENT    1HR   3HR   6HR  12HR  24HR
:======= ====  ====  ====  ====  ====

BCMN7     3.0/  3.4/  3.5/  3.8/  4.4
BRSN7     3.0/  3.4/  3.5/  3.8/  4.4
HAWN7     3.0/  3.4/  3.5/  3.8/  4.4
HPNN7     3.0/  3.4/  3.5/  3.8/  4.4
NBCN7     3.0/  3.4/  3.5/  3.8/  4.4
NBUN7     3.0/  3.4/  3.5/  3.8/  4.4
NBWN7     3.0/  3.4/  3.5/  3.8/  4.4
NRWN7     2.5/  2.9/  3.0/  3.3/  4.0
OKRN7     3.0/  3.4/  3.5/  3.8/  4.4
RLHN7     2.5/  3.0/  3.3/  4.0/  5.3
RYAN7     3.0/  3.4/  3.5/  3.8/  4.4
SBCN7     3.0/  3.4/  3.5/  3.8/  4.4
SBHN7     3.0/  3.4/  3.5/  3.8/  4.4
SBPN7     3.0/  3.4/  3.5/  3.8/  4.4
:
:  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
$$