Alert archive / Illinois / River Flood Warnings in 2021

River Flood Warning 90, NWS St. Louis, MO

May 18, 2021Fayette County, Illinois

NWS St. Louis, MO issued this river flood warning at May 18, 2021, 7:29 PM CDT for Fayette County, Illinois. It took effect at May 19, 2021, 10:00 AM CDT. It was in force for 84 min.

The area

The outline as issued.

The facts

Issued
May 18, 2021, 7:29 PM CDT (00:29 UTC)
In effect from
May 19, 2021, 10:00 AM CDT
Expired
May 19, 2021, 11:24 AM CDT
In force
84 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

County Fayette County, IL

The radar

The St Louis radar (KLSX), 137 km from the middle of the area, began a volume at 00:31 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 Kaskaskia River at Vandalia (VNDI2).

Action stage
16 ft
Minor stage
18 ft
Moderate stage
24 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05592500, 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.

747 
WGUS43 KLSX 190029
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
729 PM CDT Tue May 18 2021

...The National Weather Service in St Louis MO has issued a Flood 
Warning for the following rivers in Illinois...

  Kaskaskia River at Vandalia.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Rainfall heavier than forecast could cause river levels to rise even 
higher than predicted. The National Weather Service will monitor 
this developing situation and issue follow up statements as 
conditions change.

This product, along with additional weather and stream information, 
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.

  

&&


ILC051-201230-
/O.NEW.KLSX.FL.W.0090.210519T1500Z-210521T0000Z/
/VNDI2.1.ER.210519T1500Z.210519T1800Z.210520T0045Z.NO/
729 PM CDT Tue May 18 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Kaskaskia River at Vandalia.
* From Wednesday morning to Thursday evening.
* At 7:00 PM CDT Tuesday the stage was 15.3 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tomorrow morning to a crest of 18.3 feet early tomorrow afternoon. 
  It will then fall below flood stage tomorrow evening.
* Impact...At 18.0 feet, Flood Stage.  Minor flooding begins.  
  Unprotected farmland begins to flood.

&&


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

Kaskaskia River
Vandalia       18.0  15.3  Tue 7 pm  18.1  15.9  11.5  9.3   8.9





&&

LAT...LON 3903 8910 3903 8906 3885 8909 3879 8919
      3882 8922

$$

19
1 follow-up statement
220 
WGUS83 KLSX 191624
FLSLSX

Flood Statement
National Weather Service St Louis MO
1124 AM CDT Wed May 19 2021

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

  Kaskaskia River at Vandalia.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 24 hours.

ILC051-191730-
/O.CAN.KLSX.FL.W.0090.000000T0000Z-210519T1624Z/
/VNDI2.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1124 AM CDT Wed May 19 2021

...The Flood Warning for the Kaskaskia River at Vandalia has been 
cancelled...

The Flood Warning is cancelled for
  the Kaskaskia River at Vandalia.
* At 11:00 AM CDT Wednesday the stage was 16.7 feet.
* Flood stage is 18.0 feet.
* Forecast...The river crested below flood stage. It will continue 
  to fall and will fall to 9.0 feet by Sunday.

&&


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

Kaskaskia River
Vandalia       18.0  16.7  Wed 11 am 15.0  11.9  9.7   9.0   9.4





&&

LAT...LON 3903 8910 3903 8906 3885 8909 3879 8919
      3882 8922

$$

Byrd

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 10:19 AM CDTRiver Flood WarningLSXCalhoun, Greene, Jersey47 hr
May 19, 10:19 AM CDTRiver Flood WarningLSXPike, Scott7 days

Nearby

River Flood Warnings in Illinois, 2021Every 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.