342  
WGUS83 KLSX 230146  
FLSLSX  
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
846 PM CDT SAT APR 22 2017  
 
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN  
ILLINOIS...MISSOURI...  
 
MISSISSIPPI RIVER AT HANNIBAL  
 
MISSISSIPPI RIVER AT CLARKSVILLE LD24  
 
MISSISSIPPI RIVER AT GRAFTON  
 
.THIS FLOOD WARNING IS A RESULT OF RAINFALL THAT FELL OVER THE BASIN  
LAST WEEK...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SAFETY MESSAGE: NEVER DRIVE CARS, TRUCKS, OR SPORT UTILITY VEHICLES  
THROUGH FLOODED AREAS. THE WATER MAY BE TOO DEEP TO ALLOW FOR SAFE  
PASSAGE.  
 
THIS PRODUCT, ALONG WITH ADDITIONAL WEATHER AND STREAM INFORMATION,  
IS AVAILABLE AT HTTP://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=LSX.  
 

 
 
ILC149-MOC127-240146-  
/O.EXT.KLSX.FL.W.0036.000000T0000Z-170426T0600Z/  
/HNNM7.1.ER.170422T1245Z.170422T1930Z.170425T0600Z.NO/  
846 PM CDT SAT APR 22 2017  
 
THE FLOOD WARNING CONTINUES FOR  
THE MISSISSIPPI RIVER AT HANNIBAL  
* UNTIL LATE TUESDAY NIGHT.  
* AT 8:15 PM SATURDAY THE STAGE WAS 16.0 FEET.  
* FLOOD STAGE IS 16.0 FEET.  
* THE RIVER IS FORECAST TO CONTINUE FALLING TO BELOW FLOOD STAGE BY  
EARLY TUESDAY MORNING.  
* IMPACT: AT 16.0 FEET...FLOOD STAGE. DAMAGE BEGINS TO BUILDINGS IN  
UNPROTECTED LOW AREAS. MINOR FLOODING BEGINS.  
 

 
FLD LATEST 7 A.M. FORECAST  
LOCATION STG OBS STG 04/23 04/24 04/25 04/26 04/27  
 
MISSISSIPPI RIVER  
HANNIBAL 16.0 16.00 16.0 15.9 15.9 15.9 15.8  
 

 
 
LAT...LON 3983 9148 3983 9135 3974 9121 3967 9135  
 

 
 
ILC013-MOC163-240146-  
/O.EXT.KLSX.FL.W.0034.000000T0000Z-170430T1200Z/  
/CLKM7.1.ER.170421T1530Z.170423T0000Z.170429T1200Z.NO/  
846 PM CDT SAT APR 22 2017  
 
THE FLOOD WARNING CONTINUES FOR  
THE MISSISSIPPI RIVER AT CLARKSVILLE LD24  
* UNTIL SUNDAY APRIL 30.  
* AT 8:30 PM SATURDAY THE STAGE WAS 25.2 FEET.  
* FLOOD STAGE IS 25.0 FEET.  
* MINOR FLOODING IS FORECAST.  
* THE RIVER IS FORECAST TO CONTINUE FALLING TO BELOW FLOOD STAGE BY  
SATURDAY MORNING.  
* IMPACT: AT 25.5 FEET...STATE ROUTE P EAST OF ELSBERRY BEGINS  
FLOODING JUST EAST OF THE LEVEE.  
* IMPACT: AT 25.3 FEET...THE ROAD TO PORT MARMAC, ABOUT 15 HOMES JUST  
SOUTH OF CLARKSVILLE, BEGINS FLOODING.  
* IMPACT: AT 23.5 FEET...FLOODING BEGINS IN UNPROTECTED AREAS.  
 

 
FLD LATEST 7 A.M. FORECAST  
LOCATION STG OBS STG 04/23 04/24 04/25 04/26 04/27  
 
MISSISSIPPI RIVER  
CLARKSVILLE LD 25.0 25.20 25.1 25.0 25.0 25.0 25.0  
 

 
 
LAT...LON 3939 9097 3945 9089 3938 9077 3923 9071  
3922 9081  
 

 
 
ILC083-MOC183-240146-  
/O.EXT.KLSX.FL.W.0035.000000T0000Z-170430T0000Z/  
/GRFI2.1.ER.170421T2055Z.170424T0000Z.170429T0000Z.NO/  
846 PM CDT SAT APR 22 2017  
 
THE FLOOD WARNING CONTINUES FOR  
THE MISSISSIPPI RIVER AT GRAFTON  
* UNTIL SATURDAY APRIL 29.  
* AT 8:30 PM SATURDAY THE STAGE WAS 18.1 FEET.  
* FLOOD STAGE IS 18.0 FEET.  
* MINOR FLOODING IS FORECAST.  
* THE RIVER IS FORECAST TO CREST NEAR 18.2 FEET BY TOMORROW EVENING,  
THEN FALL BELOW FLOOD STAGE FRIDAY EVENING.  
* IMPACT: AT 18.0 FEET...FLOOD STAGE. RIGHT BANK BEGINS TO  
OVERFLOW...FLOODING FARMLAND.  
* IMPACT: AT 16.2 FEET...FOR NAVIGATIONAL PURPOSES THROUGH ALTON LOCK  
AND DAM CONTROL, THE CORPS WILL NOT ALLOW THE RIVER TO EXCEED THIS  
LEVEL, IF AT ALL POSSIBLE. ABOVE THIS LEVEL, WATER INUNDATES LAND  
NOT OWNED BY THE USACE.  
 

 
FLD LATEST 7 A.M. FORECAST  
LOCATION STG OBS STG 04/23 04/24 04/25 04/26 04/27  
 
MISSISSIPPI RIVER  
GRAFTON 18.0 18.08 18.2 18.2 18.1 18.0 18.0  
 

 
 
LAT...LON 3881 9057 3888 9057 3899 9046 3895 9028  
3882 9048  
 

 
 
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