Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 9, NWS St. Louis, MO

January 30, 2021Osage County, Missouri

NWS St. Louis, MO issued this river flood warning at Jan 30, 2021, 10:45 PM CST for Osage County, Missouri. It took effect at Jan 30, 2021, 11:00 PM CST. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Jan 30, 2021, 10:45 PM CST (04:45 UTC)
In effect from
Jan 30, 2021, 11:00 PM CST
Expired
Jan 31, 2021, 8:58 AM CST
In force
10 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
Minor

County Osage County, MO

The radar

The St Louis radar (KLSX), 119 km from the middle of the area, began a volume at 04:44 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 Maries River at Westphalia (WPHM7). The gauge peaked at 11.13 ft at Jan 31, 2021, 4:00 AM CST.

actionminormoderate5101501/3102/01
Action stage
8 ft
Minor stage
10 ft
Moderate stage
15 ft
Major stage
20 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06927000, 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.

304 
WGUS43 KLSX 310445
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1045 PM CST Sat Jan 30 2021

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

  Maries River near Westphalia.

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.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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

  

&&


MOC151-311645-
/O.NEW.KLSX.FL.W.0009.210131T0500Z-210201T2050Z/
/WPHM7.1.ER.210131T0530Z.210131T1200Z.210131T1449Z.NO/
1045 PM CST Sat Jan 30 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the Maries River near Westphalia.
* Until Monday afternoon.
* At 10:00 PM CST Saturday the stage was 9.4 feet.
* Flood stage is 10.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise above flood stage late this evening 
  to 10.8 feet tomorrow morning. It will then fall below flood stage 
  tomorrow morning, and down to 2.7 feet by Tuesday morning.
* Impact...At 12.1 feet, The north end of County Road 521 begins 
  flooding adjacent to the river near this height.

&&


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

Maries River
Westphalia  10.0  9.4   Sat 10 pm 5.4   3.6   2.9   2.8   MSG





&&

LAT...LON 3840 9205 3850 9197 3846 9194 3827 9194
      3827 9202

$$

19
1 follow-up statement
238 
WGUS83 KLSX 311458
FLSLSX

Flood Statement
National Weather Service St Louis MO
858 AM CST Sun Jan 31 2021

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

  Maries River near Westphalia.

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

MOC151-311600-
/O.CAN.KLSX.FL.W.0009.000000T0000Z-210131T1458Z/
/WPHM7.1.ER.210131T0519Z.210131T1031Z.210131T1327Z.NO/
858 AM CST Sun Jan 31 2021

...The Flood Warning for the Maries River near Westphalia has been 
cancelled...

The Flood Warning is cancelled for
  the Maries River near Westphalia.
* At 8:00 AM CST Sunday the stage was 9.6 feet.
* Flood stage is 10.0 feet.
* Forecast...The river is expected to fall to 2.7 feet Friday 
  morning.

&&


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

Maries River
Westphalia  10.0  9.6   Sun 8 am  4.6   3.4   3.1   2.9   2.7





&&

LAT...LON 3840 9205 3850 9197 3846 9194 3827 9194
      3827 9202

$$

Pfahler

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.