Alert archive / Illinois / River Flood Warnings in 2021

River Flood Warning 11, NWS Lincoln, IL

March 18, 2021Piatt County, Illinois

NWS Lincoln, IL issued this river flood warning at Mar 18, 2021, 9:04 AM CDT for Piatt County, Illinois. It took effect at Mar 19, 2021, 12:00 PM CDT. It was in force for 21 hr.

The area

The outline as issued.

The facts

Issued: Mar 18, 2021, 9:04 AM CDT (14:04 UTC)
In effect from: Mar 19, 2021, 12:00 PM CDT
Expired: Mar 20, 2021, 9:25 AM CDT
In force: 21 hr
Issued by: NWS Lincoln, IL
Area: Storm-based polygon
Flood severity: Minor

County Piatt County, IL

The radar

The Lincoln radar (KILX), 65 km from the middle of the area, began a volume at 14:03 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 at Monticello (MNTI2). The gauge peaked at 12.08 ft at Mar 21, 2021, 8:00 AM CDT.

Action stage: 11 ft
Minor stage: 13 ft
Moderate stage: 17 ft
Major stage: 20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05572000, 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.

419 
WGUS43 KILX 181404
FLWILX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Lincoln IL
904 AM CDT Thu Mar 18 2021

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

  Sangamon River at Monticello affecting Piatt County.

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

For the Sangamon River...including Monticello...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Additional information is available at www.weather.gov.


ILC147-190615-
/O.NEW.KILX.FL.W.0011.210319T1700Z-210323T1000Z/
/MNTI2.1.ER.210319T1700Z.210321T0000Z.210323T0400Z.NO/
904 AM CDT Thu Mar 18 2021

The National Weather Service in Lincoln has issued a

* Flood Warning for
  the Sangamon River at Monticello.
* From Friday afternoon to late Monday night.
* At 8:00 AM CDT Thursday the stage was 7.4 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  tomorrow afternoon to a crest of 14.5 feet Saturday evening. It 
  will then fall below flood stage late Monday evening.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.

&&


              Fld   Observed           Forecasts (7 am CDT)     
Location      Stg   Stg   Day/Time     Fri   Sat   Sun          

Sangamon River
Monticello    13.0  7.4   Thu 8 am CDT 12.5  14.3  14.5         





&&

LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
      4000 8874 4006 8861

$$

NMB

4 follow-up statements

637 
WGUS83 KILX 190107
FLSILX

Flood Statement
National Weather Service Lincoln IL
807 PM CDT Thu Mar 18 2021

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

  Sangamon River at Monticello affecting Piatt County.

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

For the Sangamon River...including Monticello...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Additional information is available at www.weather.gov.


ILC147-191715-
/O.EXT.KILX.FL.W.0011.210320T0130Z-210323T0200Z/
/MNTI2.1.ER.210320T0130Z.210321T0000Z.210322T2000Z.NO/
807 PM CDT Thu Mar 18 2021

...The Flood Warning is now in effect until late Monday evening...

The Flood Warning continues for
  the Sangamon River at Monticello.
* From Friday evening to Monday evening.
* At 8:00 PM CDT Thursday the stage was 9.5 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow evening to a crest of 14.0 feet Saturday evening. It will 
  then fall below flood stage Monday afternoon.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.

&&


              Fld   Observed           Forecasts (7 pm CDT)     
Location      Stg   Stg   Day/Time     Fri   Sat   Sun          

Sangamon River
Monticello    13.0  9.5   Thu 8 pm CDT 12.9  14.0  13.6         





&&

LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
      4000 8874 4006 8861

$$

Erwin

028 
WGUS83 KILX 191528
FLSILX

Flood Statement
National Weather Service Lincoln IL
1028 AM CDT Fri Mar 19 2021

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

  Sangamon River at Monticello affecting Piatt County.

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

For the Sangamon River...including Monticello...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Additional information is available at www.weather.gov.


ILC147-200730-
/O.CON.KILX.FL.W.0011.210320T0130Z-210323T0200Z/
/MNTI2.1.ER.210320T0448Z.210321T0000Z.210322T0900Z.NO/
1028 AM CDT Fri Mar 19 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Sangamon River at Monticello.
* From this evening to Monday evening.
* At 10:00 AM CDT Friday the stage was 11.2 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this evening to a crest of 13.8 feet tomorrow evening. It will 
  then fall below flood stage early Monday morning.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.

&&


              Fld   Observed           Forecasts (1 pm CDT)     
Location      Stg   Stg   Day/Time     Sat   Sun   Mon          

Sangamon River
Monticello    13.0  11.2  Fri 10 am CD 13.7  13.5  12.7         





&&

LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
      4000 8874 4006 8861

$$

Roberson

177 
WGUS83 KILX 200155
FLSILX

Flood Statement
National Weather Service Lincoln IL
855 PM CDT Fri Mar 19 2021

...The Flood Warning is extended for the following rivers in 
Illinois...

  Sangamon River at Monticello affecting Piatt County.

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

For the Sangamon River...including Monticello, Riverton, Petersburg, 
Oakford, Chandlerville...Minor flooding is forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Additional information is available at www.weather.gov.


ILC147-201800-
/O.EXT.KILX.FL.W.0011.000000T0000Z-210323T0300Z/
/MNTI2.1.ER.210320T1930Z.210321T0600Z.210322T2100Z.NO/
855 PM CDT Fri Mar 19 2021

...The Flood Warning is now in effect until late Monday evening...

The Flood Warning continues for
  the Sangamon River at Monticello.
* Until Monday evening.
* At 8:00 PM CDT Friday the stage was 11.6 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage early 
  tomorrow afternoon to a crest of 13.5 feet early Sunday morning. 
  It will then fall below flood stage Monday afternoon.
* Impact...At 13.0 feet, Flooding of agricultural areas begins.

&&


              Fld   Observed           Forecasts (7 pm CDT)     
Location      Stg   Stg   Day/Time     Sat   Sun   Mon          

Sangamon River
Monticello    13.0  11.6  Fri 8 pm CDT 13.3  13.4  12.9         





&&

LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
      4000 8874 4006 8861

$$

25

737 
WGUS83 KILX 201425
FLSILX

Flood Statement
National Weather Service Lincoln IL
925 AM CDT Sat Mar 20 2021

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

  Sangamon River at Monticello affecting Piatt County.

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

ILC147-201530-
/O.CAN.KILX.FL.W.0011.000000T0000Z-210320T1425Z/
/MNTI2.1.ER.210320T1930Z.210321T0600Z.210322T2100Z.NO/
925 AM CDT Sat Mar 20 2021

...The Flood Warning for the Sangamon River at Monticello has been 
cancelled...

The Flood Warning is cancelled for
  the Sangamon River at Monticello.
* At 9:00 AM CDT Saturday the stage was 11.7 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to rise to a crest of 12.5 feet 
  early tomorrow afternoon.

&&


              Fld   Observed           Forecasts (7 am CDT)     
Location      Stg   Stg   Day/Time     Sun   Mon   Tue          

Sangamon River
Monticello    13.0  11.7  Sat 9 am CDT 12.4  12.5  11.9



&&

LAT...LON 4019 8847 4008 8847 4001 8854 3990 8874
      4000 8874 4006 8861

$$

07

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 18, 8:59 AM CDT	River Flood Warning	ILX	Fulton, Knox	26 hr
Mar 18, 10:36 AM CDT	Areal Flood Advisory	ILX	Fulton, Schuyler	6 hr
Mar 18, 10:40 AM CDT	River Flood Warning	ILX	Lawrence	7 days
Mar 18, 2:40 PM CDT	River Flood Warning	ILX	Brown, Cass, Morgan, Schuyler	21 days
Mar 18, 2:43 PM CDT	River Flood Warning	ILX	Cass, Fulton, Mason	14 days
Mar 18, 3:08 PM CDT	River Flood Warning	ILX	Fulton	19 hr

Nearby

River Flood Warnings in Illinois, 2021 Every river flood warning in 2021

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.