Headwater Guidance
Issued by NWS Raleigh/Durham, NC

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
709
FOUS72 KALR 021504
FFHRAH
HEADWATER GUIDANCE...RALEIGH CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
1059 AM EDT MON JUN 2 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 20250602 Z DH12/DC202506021459 /DUE/PPHCF/PPTCF/PPQCF/PPKCF/PPDCF
:
:IDENT    1HR   3HR   6HR  12HR  24HR
:======= ====  ====  ====  ====  ====

BCMN7     1.8/  2.2/  2.3/  2.6/  3.2
BRSN7     1.8/  2.2/  2.3/  2.6/  3.2
HAWN7     1.8/  2.2/  2.3/  2.6/  3.2
HPNN7     1.8/  2.2/  2.3/  2.6/  3.2
NBCN7     1.8/  2.2/  2.3/  2.6/  3.2
NBUN7     1.8/  2.2/  2.3/  2.6/  3.2
NBWN7     1.8/  2.2/  2.3/  2.6/  3.2
NRWN7     1.9/  2.2/  2.3/  2.7/  3.2
OKRN7     1.8/  2.2/  2.3/  2.6/  3.2
RLHN7     1.9/  2.4/  2.7/  3.3/  4.6
RYAN7     1.8/  2.2/  2.3/  2.6/  3.2
SBCN7     1.8/  2.2/  2.3/  2.6/  3.2
SBHN7     1.8/  2.2/  2.3/  2.6/  3.2
SBPN7     1.8/  2.2/  2.3/  2.6/  3.2
:
:  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
$$