Headwater Guidance
Issued by NWS Atlanta, GA

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045
FOUS72 KALR 221840
FFHFFC
FOUS72 KALR 221840
HEADWATER GUIDANCE...ATLANTA CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
134 PM EST SAT FEB 22 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 20250222 Z DH18/DC202502221834 /DUE/PPHCF/PPTCF/PPQCF
:
:IDENT    1HR   3HR   6HR
:======= ====  ====  ====

AANG1     2.2/  2.6/  2.7
ARAG1     2.5/  2.9/  3.3
CNNG1     2.4/  2.8/  3.0
CTWG1     2.5/  3.0/  3.4
HDCG1     2.3/  2.7/  2.8
MARG1     2.2/  2.6/  2.7
RMTG1     2.5/  2.9/  3.3
:
:  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
$$
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