569
NOUS43 KLOT 081540
PNSLOT
SERVICE CHANGE NOTICE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1040 AM CDT TUE OCT 8 2019
TO: FAMILY OF SERVICES (FOS) SUBSCRIBERS, NOAA WEATHER WIRE
SERVICE (NWWS) SUBSCRIBERS, EMERGENCY MANAGERS WEATHER
INFORMATION NETWORK (EMWIN) SUBSCRIBERS, NOAAPORT
SUBSCRIBERS, NATIONAL WEATHER SERVICE (NWS) PARTNERS
AND OTHER USERS, AND NWS EMPLOYEES.
FROM: W. SCOTT LINCOLN
SENIOR SERVICE HYDROLOGIST
NWS CHICAGO
SUBJECT: CHANGE TO FLOOD IMPACT CATEGORIES ON THE NORTH BRANCH
CHICAGO RIVER AT DEERFIELD, ILLINOIS
EFFECTIVE OCTOBER 30, 2019, FLOOD IMPACT CATEGORIES FOR THE NORTH
BRANCH CHICAGO RIVER AT DEERFIELD, ILLINOIS, (NWS IDENTIFIER DRFI2)
WILL CHANGE. FLOOD IMPACT CATEGORIES ARE SET FOR THIS GAUGE BASED
UPON THE RIVER REACH EXTENDING FROM APPROXIMATELY DEERFIELD ROAD
DOWNSTREAM TO THE CONFLUENCE WITH SKOKIE RIVER. THESE CHANGES WERE
COORDINATED WITH REPRESENTATIVES FROM THE LAKE COUNTY EMERGENCY
MANAGEMENT AGENCY, THE LAKE COUNTY STORMWATER MANAGEMENT COMMISSION,
THE VILLAGE OF DEERFIELD, THE CITY OF HIGHLAND PARK, AND THE VILLAGE
OF NORTHBROOK.
ACTION STAGE WILL CHANGE FROM 8.0 FEET TO 8.5 FEET. MINOR FLOOD
STAGE WILL CHANGE FROM 9.0 FEET TO 9.5 FEET. MODERATE FLOOD STAGE
WILL BE SET AT 11.5 FEET. MAJOR FLOOD STAGE WILL BE SET AT 13.5 FEET.
FORECAST AND WARNING INFORMATION IS AVAILABLE FROM THE
NOAA/NWS CHICAGO WEB PAGE AT WEATHER.GOV/CHICAGO AS WELL AS THE
NOAA/NWS ADVANCED HYDROLOGIC PREDICTION SERVICE (AHPS) WEB PAGE
AT WATER.WEATHER.GOV.
IF YOU HAVE ANY QUESTIONS REGARDING THIS CHANGE, PLEASE CONTACT:
W. SCOTT LINCOLN
SCOTT.LINCOLN@NOAA.GOV
815-834-0600 X493
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