Headwater Guidance
Issued by NWS San Juan, PR

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
000
FOUS72 KALR 031250
FFHSJU
HEADWATER GUIDANCE...SAN JUAN CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
849 AM EDT WED JUN 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 20150603 Z DH12/DC201506031249 /DUE/PPHCF/PPTCF/PPQCF
:
:IDENT    1HR   3HR   6HR
:======= ====  ====  ====

AREP4     1.6/  2.0/  2.7
CAGP4     3.0/  5.0/  6.0
CIAP4     1.8/  2.3/  3.1
COAP4     2.3/  3.2/  4.5
COMP4     2.3/  3.3/  4.2
GURP4     2.5/  4.1/  5.7
HORP4     2.5/  3.3/  4.2
MANP4     1.2/  1.6/  2.1
MOCP4     1.3/  1.7/  2.4
RPOP4     1.4/  1.7/  2.3
SEBP4     1.4/  1.7/  2.3
TOAP4     1.9/  2.7/  3.8
VGBP4     2.6/  3.8/  4.9
:
:  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 (Regular Hours 6am-11pm Eastern Time)
After Hours Please Follow Callback Instructions



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.