Headwater Guidance
Issued by NWS San Juan, PR

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000
FOUS72 KALR 040128
FFHSJU
HEADWATER GUIDANCE...SAN JUAN CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
927 PM EDT THU SEP 3 2015

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 20150904 Z DH00/DC201509040127 /DUE/PPHCF/PPTCF/PPQCF
:
:IDENT    1HR   3HR   6HR
:======= ====  ====  ====

AREP4     1.6/  2.1/  2.8
CAGP4     2.2/  3.4/  4.6
CIAP4     1.8/  2.4/  3.2
COAP4     1.8/  2.6/  3.8
COMP4     1.7/  2.5/  3.3
GURP4     1.9/  3.1/  4.5
HORP4     3.0/  4.4/  5.4
MANP4     1.4/  1.7/  2.3
MOCP4     1.3/  1.6/  2.2
RPOP4     1.3/  1.6/  2.2
SEBP4     1.5/  1.8/  2.4
TOAP4     1.8/  2.5/  3.5
VGBP4     1.8/  2.3/  3.1
:
:  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
$$
S.E.R.F.C. 770-486-0028 or 770-282-2112
Regular Hours 6am-11pm Eastern Time
After Hours Please Follow Callback Instructions



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