606  
FOUS73 KMSR 102000  
FFHDVN  
 
HEADWATER FLASH FLOOD GUIDANCE  
NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN  
200 PM CST SAT JAN 10 2026  
 
QUAD CITIES HYDROLOGIC SERVICE AREA  
 
AVERAGE INCHES OF RAINFALL FOR GIVEN DURATIONS REQUIRED TO INITIATE  
FLASH FLOODING AT THE INDICATED LOCATIONS.  
 
.B MSR 260110 Z DH18/DC2601102000 /DUE/PPHCF/PPTCF/PPQCF  
:  
:IDENT 1HR 3HR 6HR HEADWATER NAME STREAM  
:======= ==== ==== ==== ==================== ==================  
:  
: *** ILLINOIS HEADWATER POINTS ***  
:  
APRI2 3.5/ 3.9/ 4.2 :HANOVER IL APPLE R  
PINI2 2.5/ 2.7/ 3.0 :PRINCETON IL BIG BUREAU CR  
OQUI2 1.7/ 1.8/ 1.8 :OQUAWKA IL 7NE HENDERSON CR  
PCKI2 1.3/ 1.3/ 1.3 :KEITHSBURG IL POPE CR  
:  
: *** IOWA HEADWATER POINTS ***  
:  
WLCI4 2.1/ 2.5/ 3.2 :WALCOTT IA 110TH AVE DUCK CR  
DKII4 2.8/ 3.0/ 3.3 :DAVENPORT IA GOLF CS DUCK CR  
BETI4 3.5/ 4.0/ 4.5 :BETTENDORF IA DUCK CR  
DRNI4 1.5/ 1.7/ 2.0 :DURANGO IA LITTLE MAQUOKETA R  
IRCI4 1.2/ 1.3/ 1.9 :IOWA CITY IA 4NE RAPID CR  
CRAI4 1.4/ 1.6/ 1.8 :CORALVILLE IA CLEAR CR  
IOCI4 2.0/ 2.1/ 2.3 :IOWA CITY IA 5SW OLD MANS CR  
MCHI4 1.2/ 1.3/ 1.5 :MANCHESTER IA 1SE MAQUOKETA R  
MMCI4 2.5/ 2.9/ 3.4 :MUSCATINE IA-HWY 38 MAD CR  
.END  
 
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