617  
NOUS41 KCLE 261245  
PNSCLE  
OHZ032-281245-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE CLEVELAND OH  
845 AM EDT WED APR 26 2017  
 
TO:EMERGENCY MANAGEMENT OFFICIALS, NEWS MEDIA,AND OTHER USERS  
 
SUBJECT: RIVER FORECAST SERVICES FOR THE NIMISHILLEN CREEK IN  
NORTH INDUSTRY OHIO WILL BE MODIFIED EFFECTIVE JULY 10, 2017.  
 
EFFECTIVE THURSDAY MONDAY JULY 10, 2017 THE NATIONAL WEATHER SERVICE  
WILL CHANGE THE OFFICIAL FLOOD STAGE AT THE NIMISHILLEN OFFICIAL  
FORECAST POINT AT NORTH INDUSTRY. THE MINOR, MODERATE, AND MAJOR  
FLOOD STAGES WILL BE CHANGED FROM THE CURRENT STAGES OF 9.0, 10.0,  
12.0 FEET RESPECTIVELY TO 10.0, 12.0, AND 13.0 FEET.  
 
MINOR FLOODING IS DEFINED AS THE POINT AT WHICH PROPERTY IS  
INUNDATED OR A FLOODED ROADS CUT OFF EMERGENCY ACCESS. MODERATE  
FLOODING IS CONSIDERED THE STAGE AT WHICH NUMEROUS ROADS ARE  
THREATENED OR A FEW LOW LYING PROPERTIES BECOME INUNDATION. MAJOR  
FLOOD STAGE IS CONSIDERED THE POINT WHERE FLOOD WATERS CAUSE MAJOR  
PROPERTY DAMAGE OR EXTREME THREAT TO LIFE. BASED ON THE IMPACTS  
ASSOCIATED WITH SPECIFIC RIVER STAGES, IT IS RECOMMENDED THAT THE  
MINOR FLOOD STAGE BE RAISED TO 10.0 FEET, MODERATE FLOOD STAGE TO  
12.0 FEET, AND THE MAJOR FLOOD STAGE TO 13.0 FEET.  
 
IT IS NECESSARY FOR THE NATIONAL WEATHER SERVICE TO PERIODICALLY UPDATE  
FLOOD STAGES AT RIVER FORECAST POINTS AS CHANGES, BOTH NATURAL  
AND MANMADE, OCCUR OVER A WATERSHED. THESE UPDATES ARE NEEDED TO  
ENSURE THE BEST QUALITY RIVER FORECASTS AND RESULTING WARNINGS TO  
LOCAL COMMUNITIES. THE NWS, OHIO RIVER FORECAST CENTER (OHRFC),  
AND LOCAL AND COUNTY OFFICIALS HAVE SUPPORTED THE ABOVE  
CORRECTIONS.  
 
THE DATA AND FORECASTS FOR IS SITE CAN BE FOUND AT:  
HTTP://WATER.WEATHER.GOV/AHPS2/HYDROGRAPH.PHP?WFO=CLE&GAGE=NHSO1  
 
ADDITIONAL RIVER FORECASTS CAN BE FOUND AT: WATER.WEATHER.GOV/AHPS/  
 
THE DATA FOR THESE SITES ARE PROVIDED BY OUR PARTNER THE USGS.  
WITHOUT THIS CRITICAL DATA FORECASTS AND WARNINGS WOULD NOT BE POSSIBLE.  
THE USGS WEBSITE IS : HTTP://OH.WATER.USGS.GOV  
 
FOR FURTHER INFORMATION REGARDING THIS CHANGE PLEASE CONTACT  
 
SARAH JAMISON  
SENIOR SERVICE HYDROLOGIST  
NATIONAL WEATHER SERVICE CLEVELAND OHIO  
SARAH.JAMISON@NOAA.GOV  
 

 
 
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