Alert archive / Illinois / River Flood Warnings in 2017

River Flood Warning 39, NWS Lincoln, IL

May 23, 2017Cass County, Mason County, Illinois

NWS Lincoln, IL issued this river flood warning at May 23, 2017, 10:45 AM CDT for Cass County, Mason County, Illinois. It took effect at May 23, 2017, 7:00 PM CDT. It was in force for 64 hr.

The area

The outline as issued.

The facts

Issued
May 23, 2017, 10:45 AM CDT (15:45 UTC)
In effect from
May 23, 2017, 7:00 PM CDT
Expired
May 26, 2017, 10:59 AM CDT
In force
64 hr
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Flood severity
Minor

Counties Cass County, IL, Mason County, IL

The radar

The Lincoln radar (KILX), 72 km from the middle of the area, began a volume at 15:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Sangamon River near Chandlerville (CDLI2).

Action stage
454 ft
Minor stage
456.6 ft
Moderate stage
459 ft
Major stage
462 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

390 
WGUS43 KILX 231545
FLWILX


Flood Warning
National Weather Service Lincoln IL
1045 AM CDT Tue May 23 2017

...The National Weather Service in Lincoln IL has issued a flood 
warning for the following rivers in Illinois...

  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with interests along this river need to prepare for flooding.
Stay tuned for further updates on this flooding situation.

&&

ILC017-125-240545-
/O.NEW.KILX.FL.W.0039.170524T0000Z-170526T1559Z/
/CDLI2.1.ER.170524T0000Z.170525T0000Z.170526T0959Z.NO/
1045 AM CDT Tue May 23 2017

The National Weather Service in Lincoln IL has issued a 

* Flood Warning for 
  The Sangamon River near Chandlerville.
* From this evening until Friday morning.
* At 1000 AM Tuesday the stage was 456.2 feet.
* Flood stage is 456.6 feet.
* Minor flooding is forecast.
* Forecast...Rise above flood stage by this evening and continue to 
  rise to near 457.2 feet by tomorrow evening.The river will fall 
  below flood stage by early Friday morning.


&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Wed    Thu    Fri

Sangamon River
 Chandlerville     457  456.2 Tue 10 AM  457.0  457.2  456.5


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$

25
5 follow-up statements
917 
WGUS83 KILX 240131
FLSILX


Flood Statement
National Weather Service Lincoln IL
831 PM CDT Tue May 23 2017

...The Flood Warning continues for the following river in Illinois...

  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an alternate
route. Turn around, don't drown.

Additional river and weather information is available at 
www.weather.gov/ilx.

&&

ILC017-125-241531-
/O.EXT.KILX.FL.W.0039.000000T0000Z-170526T0259Z/
/CDLI2.1.ER.170524T0015Z.170524T1800Z.170525T2059Z.NO/
831 PM CDT Tue May 23 2017

The Flood Warning continues for
  The Sangamon River near Chandlerville. 
* Until Thursday evening.
* At  800 PM Tuesday the stage was 456.6 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 457.0 feet by 
  tomorrow afternoon. The river will fall below flood stage Thursday 
  afternoon.

&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Wed    Thu    Fri

Sangamon River
 Chandlerville     457  456.6 Tue 8 PM   456.9  456.9  456.0


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$
642 
WGUS83 KILX 241524
FLSILX


Flood Statement
National Weather Service Lincoln IL
1024 AM CDT Wed May 24 2017

...The Flood Warning continues for the following river in Illinois...

  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an alternate
route. Turn around, don't drown.

Additional river and weather information is available at 
www.weather.gov/ilx.

&&

ILC017-125-250524-
/O.EXT.KILX.FL.W.0039.000000T0000Z-170526T0600Z/
/CDLI2.1.ER.170524T0015Z.170525T0000Z.170526T0000Z.NO/
1024 AM CDT Wed May 24 2017

The Flood Warning continues for
  The Sangamon River near Chandlerville. 
* Until late Thursday night.
* At 1000 AM Wednesday the stage was 456.9 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue rising to near 457.0 feet by 
  this evening. The river will fall below flood stage tomorrow 
  evening.

&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Thu    Fri    Sat

Sangamon River
 Chandlerville     457  456.9 Wed 10 AM  456.9  456.1  454.7


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$

25
830 
WGUS83 KILX 250136
FLSILX


Flood Statement
National Weather Service Lincoln IL
836 PM CDT Wed May 24 2017

...The Flood Warning continues for the following river in Illinois...
  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an alternate
route. Turn around, don't drown.

Additional river and weather information is available at 
www.weather.gov/ilx.

&&

ILC017-125-251536-
/O.CON.KILX.FL.W.0039.000000T0000Z-170526T0600Z/
/CDLI2.1.ER.170524T0015Z.170524T1930Z.170526T0000Z.NO/
836 PM CDT Wed May 24 2017

The Flood Warning continues for
  The Sangamon River near Chandlerville. 
* Until late Thursday night.
* At  800 PM Wednesday the stage was 456.9 feet.
* Flood stage is 456.6 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Forecast...The river will continue to fall to below flood stage by 
  tomorrow evening.

&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Thu    Fri    Sat

Sangamon River
 Chandlerville     457  456.9 Wed 8 PM   456.8  456.1  454.8


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$
078 
WGUS83 KILX 251556
FLSILX


Flood Statement
National Weather Service Lincoln IL
1056 AM CDT Thu May 25 2017

...The Flood Warning continues for the following river in Illinois...

  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you encounter a flooded roadway, turn around and find an alternate
route. Turn around, don't drown.

Additional river and weather information is available at 
www.weather.gov/ilx.

&&

ILC017-125-260000-
/O.EXT.KILX.FL.W.0039.000000T0000Z-170526T0000Z/
/CDLI2.1.ER.170524T0015Z.170524T1930Z.170525T1800Z.NO/
1056 AM CDT Thu May 25 2017

The Flood Warning continues for
  The Sangamon River near Chandlerville. 
* Until this evening.
* At 1000 AM Thursday the stage was 456.6 feet.
* Flood stage is 456.6 feet.
* Forecast...The river will continue to fall to below flood stage by 
  this afternoon.


&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Fri    Sat    Sun

Sangamon River
 Chandlerville     457  456.6 Thu 10 AM  456.0  454.8  453.4


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$

JRP
706 
WGUS83 KILX 252108
FLSILX


Flood Statement
National Weather Service Lincoln IL
408 PM CDT Thu May 25 2017

...The Flood Warning is cancelled for the following river in 
Illinois...

  Sangamon River near Chandlerville affecting Cass and Mason Counties

The following forecasts are based on observed precipitation, soil 
moisture conditions, and forecast precipitation. River levels are 
expected to continue falling.

Since flooding has subsided, this will be the last statement for this
flooding event.

ILC017-125-252138-
/O.CAN.KILX.FL.W.0039.000000T0000Z-170526T0000Z/
/CDLI2.1.ER.170524T0015Z.170524T1930Z.170525T1615Z.NO/
408 PM CDT Thu May 25 2017

The Flood Warning is cancelled for
  The Sangamon River near Chandlerville.
* At  400 PM Thursday the stage was 456.4 feet.
* Flood stage is 456.6 feet.
* Fell below flood stage at 1115 AM Thursday.
* Forecast...The river will continue to fall to 456.0 feet by 
  tomorrow morning.


&&


                  Fld  Observed         Forecast 6AM
Location          Stg  Stg  Day Time    Fri    Sat    Sun

Sangamon River
 Chandlerville     457  456.4 Thu 4 PM   456.0  454.8  453.4


&&

LAT...LON 4013 9007 4006 9002 4002 9016 4003 9043
      4010 9036 4010 9017             

$$

Nearby

River Flood Warnings in Illinois, 2017Every river flood warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.