445  
FOUS72 KALR 211902  
FFHSJU  
HEADWATER GUIDANCE...SAN JUAN CWA  
NATIONAL WEATHER SERVICE  
SOUTHEAST RIVER FORECAST CENTER...ATLANTA GA  
200 PM EST TUE NOV 21 2017  
 
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 20171121 Z DH18/DC201711211900 /DUE/PPHCF/PPTCF/PPQCF  
:  
:IDENT 1HR 3HR 6HR  
:======= ==== ==== ====  
 
AREP4 1.6/ 2.1/ 2.9  
CAGP4 1.0/ 1.4/ 2.1  
CIAP4 1.5/ 2.1/ 2.9  
COAP4 1.8/ 2.3/ 3.0  
COMP4 1.4/ 2.0/ 2.8  
GURP4 1.0/ 1.3/ 1.9  
HORP4 2.4/ 3.3/ 4.1  
MANP4 1.1/ 1.5/ 2.0  
MOCP4 1.3/ 1.9/ 2.8  
RPOP4 1.1/ 1.5/ 2.0  
SEBP4 1.4/ 1.8/ 2.4  
TOAP4 1.4/ 1.8/ 2.3  
VGBP4 1.7/ 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  

 
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REGULAR HOURS 6AM-10PM EASTERN TIME  
AFTER HOURS PLEASE FOLLOW CALLBACK INSTRUCTIONS  
 
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