Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 25, NWS St. Louis, MO

March 17, 2021Boone County, Missouri

NWS St. Louis, MO issued this river flood warning at Mar 17, 2021, 11:35 AM CDT for Boone County, Missouri. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Mar 17, 2021, 11:35 AM CDT (16:35 UTC)
Expired
Mar 17, 2021, 9:47 PM CDT
In force
10 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Moderate

County Boone County, MO

The radar

The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 16:36 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 Hinkson Creek at Columbia (TGRM7). The gauge peaked at 16.96 ft at Mar 17, 2021, 1:00 PM CDT.

actionminormoderate5101503/1703/1803/19
Action stage
13 ft
Minor stage
15 ft
Moderate stage
18 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06910230, 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.

042 
WGUS43 KLSX 171635
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1135 AM CDT Wed Mar 17 2021

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

  Hinkson Creek at Columbia.

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.

  

&&


MOC019-190445-
/O.NEW.KLSX.FL.W.0025.210317T1635Z-210319T0812Z/
/TGRM7.2.ER.210317T1553Z.210317T1900Z.210318T0211Z.NO/
1135 AM CDT Wed Mar 17 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Hinkson Creek at Columbia.
* From this morning to late Thursday night.
* At 11:00 AM CDT Wednesday the stage was 15.6 feet.
* Flood stage is 15.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:00 AM CDT Wednesday was 15.6 feet.
* Forecast...The river will rise to 19.3 feet this afternoon. It 
  will then fall below flood stage late this evening to 14.0 feet 
  and begin rising again just after midnight tonight. It will rise 
  to 14.5 feet late tomorrow morning. It will then fall again and 
  remain below flood stage.
* Impact...At 17.7 feet, Height of the football practice field, 
  protected by a levee to about 25.5 feet.

&&


             Fld   Observed        Forecasts (12 pm CDT)
Location     Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Hinkson Creek
Columbia     15.0  15.6  Wed 11 am 14.4  MSG   MSG   MSG   MSG





&&

LAT...LON 3895 9231 3894 9230 3891 9232 3891 9241
      3893 9241

$$

Fuchs
1 follow-up statement
066 
WGUS83 KLSX 180247
FLSLSX

Flood Statement
National Weather Service St Louis MO
947 PM CDT Wed Mar 17 2021

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

  Hinkson Creek at Columbia.

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

MOC019-180400-
/O.CAN.KLSX.FL.W.0025.000000T0000Z-210318T0247Z/
/TGRM7.2.ER.210317T1553Z.210317T1900Z.210318T0211Z.NO/
947 PM CDT Wed Mar 17 2021

...The Flood Warning for the Hinkson Creek at Columbia has been 
cancelled...

The Flood Warning is cancelled for
  the Hinkson Creek at Columbia.
* At 11:00 AM CDT Wednesday the stage was 15.6 feet.
* Flood stage is 15.0 feet.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 11:00 AM CDT Wednesday was 15.6 feet.
* Forecast...The river will rise to 19.3 feet this afternoon. It 
  will then fall below flood stage late this evening to 14.0 feet 
  and begin rising again just after midnight tonight. It will rise 
  to 14.5 feet late tomorrow morning. It will then fall again and 
  remain below flood stage.

&&


             Fld   Observed        Forecasts (10 pm CDT)
Location     Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Hinkson Creek
Columbia     15.0  15.6  Wed 11 am 9.2   MSG   MSG   MSG   MSG





&&

LAT...LON 3895 9231 3894 9230 3891 9232 3891 9241
      3893 9241

$$

Maples

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 2:49 AM CDTFlash Flood WatchLSXCrawford, Iron, Madison, Reynolds, Sainte Genevieve, Saint Francois and 1 more22 hr
Mar 17, 7:52 AM CDTSevere Thunderstorm WarningLSXBoone, Moniteau38 min
Mar 17, 9:39 AM CDTAreal Flood AdvisoryLSXAudrain, Boone3 hr
Mar 17, 11:14 AM CDTRiver Flood WarningLSXGasconade, Montgomery4 days
Mar 17, 11:14 AM CDTRiver Flood WarningLSXCallaway, Osage21 days
Mar 17, 11:14 AM CDTRiver Flood WarningLSXFranklin, Warren21 days
Mar 17, 11:14 AM CDTRiver Flood WarningLSXSaint Charles, Saint Louis4 days
Mar 17, 11:14 AM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau71 hr
Mar 17, 12:05 PM CDTRiver Flood WarningLSXMarion69 hr
Mar 17, 12:05 PM CDTRiver Flood WarningLSXMarion42 hr
Mar 17, 12:05 PM CDTRiver Flood WarningLSXMonroe3 days
Mar 17, 12:05 PM CDTRiver Flood WarningLSXLewis42 hr
Mar 17, 12:05 PM CDTRiver Flood WarningLSXLewis38 hr

Nearby

River Flood Warnings in Missouri, 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.