Headwater Guidance Issued by NWS San Juan, PR
000
FOUS72 KALR 220036
FFHSJU
HEADWATER GUIDANCE...SAN JUAN CWA
NATIONAL WEATHER SERVICE
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA
835 PM EDT SUN APR 21 2024
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 20240422 Z DH00/DC202404220035 /DUE/PPHCF/PPTCF/PPQCF
:
:IDENT 1HR 3HR 6HR
:======= ==== ==== ====
AREP4 2.1/ 3.0/ 4.1
CAGP4 1.6/ 2.4/ 3.4
CIAP4 1.6/ 2.0/ 2.5
COAP4 1.7/ 2.4/ 3.4
COMP4 1.4/ 1.8/ 2.4
GURP4 1.4/ 2.1/ 3.0
HORP4 2.9/ 4.1/ 5.1
MANP4 1.2/ 1.5/ 2.0
MOCP4 1.6/ 2.4/ 3.5
RPOP4 1.1/ 1.4/ 1.9
SEBP4 1.9/ 2.7/ 3.7
TOAP4 1.5/ 1.9/ 2.5
VGBP4 1.5/ 1.9/ 2.4
:
: 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-10pm Eastern Time
After Hours Please Follow Callback Instructions