Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 17, NWS St. Louis, MO

March 12, 2021Crawford County, Missouri

NWS St. Louis, MO issued this river flood warning at Mar 12, 2021, 9:57 AM CST for Crawford County, Missouri. It took effect at Mar 13, 2021, 4:30 AM CST. It was in force for 15 hr.

The area

The outline as issued.

The facts

Issued: Mar 12, 2021, 9:57 AM CST (15:57 UTC)
In effect from: Mar 13, 2021, 4:30 AM CST
Expired: Mar 13, 2021, 7:41 PM CST
In force: 15 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: Minor

County Crawford County, MO

The radar

The St Louis radar (KLSX), 101 km from the middle of the area, began a volume at 15:58 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 Meramec River near Steelville (SEEM7). The gauge peaked at 12.12 ft at Mar 14, 2021, 5:00 AM CDT.

Action stage: 10 ft
Minor stage: 12 ft
Moderate stage: 20 ft
Major stage: 25 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 07013000, 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.

330 
WGUS43 KLSX 121557
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
957 AM CST Fri Mar 12 2021

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

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


MOC055-140400-
/O.NEW.KLSX.FL.W.0017.210313T1030Z-210316T1041Z/
/SEEM7.1.ER.210313T1030Z.210314T0000Z.210315T0440Z.NO/
957 AM CST Fri Mar 12 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Meramec River near Steelville.
* From late tonight to late Monday night.
* At 9:30 AM CST Friday the stage was 8.3 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tonight to a crest of 14.0 feet tomorrow evening. It will then 
  fall below flood stage late Sunday evening.
* Impact...At 14.0 feet, Near this height, roads to the Lucky Clover 
  campgrounds begin to flood.

&&


             Fld   Observed        Forecasts (12 pm CST)
Location     Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Meramec River
Steelville   12.0  8.3   Fri 9 am  13.4  13.4  9.4   6.0   4.4





&&

LAT...LON 3793 9152 3800 9152 3806 9125 3801 9121

$$

TES

3 follow-up statements

828 
WGUS83 KLSX 130228
FLSLSX

Flood Statement
National Weather Service St Louis MO
828 PM CST Fri Mar 12 2021

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

  Meramec River near Sullivan.

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


MOC055-221-141430-
/O.EXT.KLSX.FL.W.0016.000000T0000Z-210317T0508Z/
/SLLM7.1.ER.210312T2023Z.210314T0000Z.210315T2308Z.NO/
828 PM CST Fri Mar 12 2021

...The Flood Warning is now in effect until early Wednesday 
morning...

The Flood Warning continues for
  the Meramec River near Sullivan.
* Until late Tuesday night.
* At 8:00 PM CST Friday the stage was 13.0 feet.
* Flood stage is 11.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 8:00 PM CST Friday was 13.0 feet.
* Forecast...The river is expected to rise to a crest of 16.4 feet 
  tomorrow evening. It will then fall below flood stage Monday 
  evening.
* Impact...At 17.0 feet, At this height the entire Arapaho 
  campground will be under water.

&&


             Fld   Observed        Forecasts (6 pm CST)
Location     Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Meramec River
Sullivan     11.0  13.0  Fri 8 pm  16.4  14.6  10.9  8.7   7.3





&&

LAT...LON 3800 9120 3806 9125 3829 9109 3840 9090
      3837 9082

$$

MOC055-141430-
/O.EXT.KLSX.FL.W.0017.210313T1612Z-210315T2230Z/
/SEEM7.1.ER.210313T1612Z.210314T0000Z.210314T1630Z.NO/
828 PM CST Fri Mar 12 2021

...The Flood Warning is now in effect until Monday afternoon...

The Flood Warning continues for
  the Meramec River near Steelville.
* From Saturday morning to Monday afternoon.
* At 8:00 PM CST Friday the stage was 9.9 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  tomorrow morning to a crest of 12.7 feet tomorrow evening. It will 
  then fall below flood stage late Sunday morning.
* Impact...At 12.5 feet, The entrance gate to the campground at 
  Onondaga Cave State Park off Highway H begins to flood near this 
  height.

&&


             Fld   Observed        Forecasts (6 pm CST)
Location     Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Meramec River
Steelville   12.0  9.9   Fri 8 pm  12.7  11.0  7.5   5.7   4.6





&&

LAT...LON 3793 9152 3800 9152 3806 9125 3801 9121

$$

Glass

761 
WGUS83 KLSX 131511
FLSLSX

Flood Statement
National Weather Service St Louis MO
911 AM CST Sat Mar 13 2021

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

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 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.

  

&&


MOC055-150315-
/O.EXT.KLSX.FL.W.0017.210313T1840Z-210316T0130Z/
/SEEM7.1.ER.210313T1840Z.210314T0600Z.210314T1930Z.NO/
911 AM CST Sat Mar 13 2021

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

The Flood Warning continues for
  the Meramec River near Steelville.
* From this afternoon to Monday evening.
* At 8:30 AM CST Saturday the stage was 11.3 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage this afternoon to 
  13.0 feet just after midnight tonight. It will then fall below 
  flood stage early tomorrow afternoon to 9.6 feet and begin rising 
  again early Monday afternoon. It will rise to 10.4 feet early 
  Tuesday morning. It will then fall again and remain below flood 
  stage.
* Impact...At 12.5 feet, The entrance gate to the campground at 
  Onondaga Cave State Park off Highway H begins to flood near this 
  height.

&&


             Fld   Observed        Forecasts (12 pm CST)
Location     Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Meramec River
Steelville   12.0  11.3  Sat 8 am  12.2  9.6   10.1  7.4   5.4





&&

LAT...LON 3793 9152 3800 9152 3806 9125 3801 9121

$$

TES

114 
WGUS83 KLSX 140141
FLSLSX

Flood Statement
National Weather Service St Louis MO
741 PM CST Sat Mar 13 2021

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

  Meramec River near Steelville.

River forecasts are based on observed precipitation and forecast 
precipitation for the next 48 hours.

MOC055-140245-
/O.CAN.KLSX.FL.W.0017.000000T0000Z-210314T0141Z/
/SEEM7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
741 PM CST Sat Mar 13 2021

...The Flood Warning for the Meramec River near Steelville has been 
cancelled...

The Flood Warning is cancelled for
  the Meramec River near Steelville.
* At 7:00 PM CST Saturday the stage was 11.2 feet.
* Flood stage is 12.0 feet.
* Recent rainfall was not as much as previously forecast, and the 
  river is nearing crest. Upstream gauges show a downward trend in 
  observed stages, suggesting the same at this gauge.
* Forecast...The river is expected to rise to a crest of 11.2 feet 
  just after midnight tonight.

&&


             Fld   Observed        Forecasts (6 pm CST)
Location     Stg   Stg   Day/Time  Sun   Mon   Tue   Wed   Thu

Meramec River
Steelville   12.0  11.2  Sat 7 pm  8.7   9.0   9.4   6.6   4.9





&&

LAT...LON 3793 9152 3800 9152 3806 9125 3801 9121

$$

MRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 5:55 AM CST	River Flood Warning	LSX	Madison, Saint Francois	7 hr
Mar 12, 9:44 AM CST	River Flood Warning	LSX	Reynolds	52 hr
Mar 12, 9:56 AM CST	River Flood Warning	LSX	Crawford, Washington	65 hr
Mar 12, 9:57 AM CST	River Flood Warning	LSX	Jefferson	57 hr

Nearby

River Flood Warnings in Missouri, 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.