Headwater Guidance
Issued by NWS San Juan, PR

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000
FOUS72 KALR 011932
FFHSJU
HEADWATER GUIDANCE...SAN JUAN CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
331 PM EDT TUE SEP 1 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 20150901 Z DH18/DC201509011931 /DUE/PPHCF/PPTCF/PPQCF
:
:IDENT    1HR   3HR   6HR
:======= ====  ====  ====

AREP4     1.7/  2.3/  3.1
CAGP4     2.9/  4.5/  5.8
CIAP4     1.7/  2.4/  3.2
COAP4     2.2/  3.1/  4.4
COMP4     2.4/  3.5/  4.5
GURP4     2.4/  4.1/  5.7
HORP4     3.0/  4.3/  5.3
MANP4     1.3/  1.7/  2.2
MOCP4     1.3/  1.7/  2.2
RPOP4     1.0/  1.5/  2.1
SEBP4     1.6/  1.9/  2.5
TOAP4     1.7/  2.7/  3.8
VGBP4     1.6/  2.2/  3.0
:
:  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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Regular Hours 6am-11pm Eastern Time
After Hours Please Follow Callback Instructions



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