592  
WGUS83 KGRR 240031  
FLSGRR  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
731 PM EST THU NOV 23 2017  
 
...THE FLOOD ADVISORY CONTINUES FOR THE FOLLOWING RIVERS IN SOUTHWEST  
LOWER MICHIGAN...  
 
GRAND RIVER AT IONIA AFFECTING IONIA COUNTY  
MAPLE RIVER AT MAPLE RAPIDS AFFECTING CLINTON COUNTY  
THORNAPPLE RIVER ABOVE HASTINGS AFFECTING BARRY COUNTY  
 
.WITH LITTLE TO NO RUN OFF EXPECTED OVER THE NEXT FEW DAYS, RIVER  
LEVELS WILL CONTINUE TO FALL ACROSS THE AREA. THE FOLLOWING FORECAST  
IS BASED ON OBSERVED AND FORECAST 48 HOUR PRECIPITATION.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SAFETY MESSAGE...CAUTION IS URGED WHEN WALKING NEAR RIVERBANKS.  
 
A FLOOD ADVISORY MEANS MINOR FLOODING IS POSSIBLE AND RIVERS ARE  
FORECAST TO EXCEED BANKFULL. IF YOU ARE IN THE ADVISORY AREA REMAIN  
ALERT TO POSSIBLE FLOODING...OR THE POSSIBILITY OF THE ADVISORY BEING  
UPGRADED TO A WARNING. REPORT OBSERVED FLOODING TO LOCAL EMERGENCY  
SERVICES OR LAW ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION ON  
TO THE NATIONAL WEATHER SERVICE.  
 
STAY TUNED TO FURTHER DEVELOPMENTS BY LISTENING TO YOUR LOCAL  
RADIO... TELEVISION... OR NOAA WEATHER RADIO STATION FOR FURTHER  
INFORMATION.  
 

 
 
MIC067-250000-  
/O.EXT.KGRR.FL.Y.0164.000000T0000Z-171125T0000Z/  
/IONM4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
731 PM EST THU NOV 23 2017  
 
THE FLOOD ADVISORY IS EXTENDED FOR  
THE GRAND RIVER AT IONIA  
* UNTIL FRIDAY EVENING.  
* AT 06 PM THURSDAY THE STAGE WAS 13.7 FEET.  
* BANKFULL STAGE IS 13.5 FEET.  
* FLOOD STAGE IS 21.0 FEET.  
* FORECAST, THE RIVER WILL CONTINUE TO FALL.  
* IMPACT, AT 13.5 FEET...RIVER IS BANKFULL. MINOR OVERFLOW BEGINS IN  
LOW LYING AREAS ALONG THE RIVER NEAR AND ACROSS FROM THE IONIA  
FAIRGROUND.  
 

 
 
LAT...LON 4297 8524 4303 8488 4296 8499 4290 8521  
 
 

 
 
MIC037-250230-  
/O.EXT.KGRR.FL.Y.0165.000000T0000Z-171125T0600Z/  
/MRPM4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
731 PM EST THU NOV 23 2017  
 
THE FLOOD ADVISORY IS EXTENDED FOR  
THE MAPLE RIVER AT MAPLE RAPIDS  
* UNTIL LATE FRIDAY NIGHT.  
* AT 07 PM THURSDAY THE STAGE WAS 7.1 FEET.  
* BANKFULL STAGE IS 7.0 FEET.  
* FLOOD STAGE IS 9.0 FEET.  
* FORECAST, THE RIVER WILL CONTINUE TO FALL.  
* IMPACT, AT 7.0 FEET...RIVER IS BANKFULL. EXPECT MINOR FLOODING IN  
LOW LYING PASTURES, FARMLAND, AND WOODED AREAS ADJACENT TO THE  
RIVER.  
 

 
 
LAT...LON 4302 8495 4314 8471 4317 8456 4310 8457  
4308 8468 4298 8493  
 

 
 
MIC015-241800-  
/O.CON.KGRR.FL.Y.0166.000000T0000Z-171124T1800Z/  
/HSTM4.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
731 PM EST THU NOV 23 2017  
 
THE FLOOD ADVISORY CONTINUES FOR  
THE THORNAPPLE RIVER ABOVE HASTINGS  
* UNTIL FRIDAY AFTERNOON.  
* AT 07 PM THURSDAY THE STAGE WAS 5.0 FEET.  
* BANKFULL STAGE IS 5.0 FEET.  
* FLOOD STAGE IS 7.0 FEET.  
* FORECAST, THE RIVER WILL CONTINUE TO FALL.  
* IMPACT, AT 5.0 FEET...RIVER IS BANKFULL. EXPECT MINOR FLOODING OF  
LOW LYING AREAS AND FARMLAND ADJACENT TO THE RIVER.  
 

 
 
LAT...LON 4273 8541 4265 8524 4266 8517 4260 8516  
4259 8523 4268 8550  
 

 
 
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