River Flood Warning 88, NWS St. Louis, MO

Issued

May 18, 2021, 11:12 AM CDT (16:12 UTC)

In effect from

May 18, 2021, 11:29 AM CDT

Expired

May 18, 2021, 9:24 PM CDT

In force

10 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

Minor

County Marion County, MO

The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 16:15 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.

Written for the forecast point North River (MO) at Palmyra (PALM7). The gauge peaked at 12.98 ft at May 18, 2021, 1:00 PM CDT.

Action stage

11 ft

Minor stage

13 ft

Moderate stage

16 ft

Major stage

22 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 05501000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

191 
WGUS43 KLSX 181612
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
1112 AM CDT Tue May 18 2021

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

  North River at Palmyra.

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.

  

&&


MOC127-200115-
/O.NEW.KLSX.FL.W.0088.210518T1629Z-210520T0105Z/
/PALM7.1.ER.210518T1629Z.210518T1800Z.210518T1904Z.NO/
1112 AM CDT Tue May 18 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the North River at Palmyra.
* Until Wednesday evening.
* At 10:30 AM CDT Tuesday the stage was 12.7 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late 
  this morning to a crest of 13.5 feet this afternoon. It will then 
  fall below flood stage this afternoon.
* Impact...At 13.5 feet, County Road 333, east of Palmyra, begins to 
  flood.

&&


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

North River
Palmyra    13.0  12.7  Tue 10 am 7.1   5.5   5.0   4.8   4.7





&&

LAT...LON 3984 9150 3981 9150 3976 9170 3979 9170

$$

Byrd

235 
WGUS83 KLSX 190224
FLSLSX

Flood Statement
National Weather Service St Louis MO
924 PM CDT Tue May 18 2021

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

  North River at Palmyra.

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

MOC127-190330-
/O.CAN.KLSX.FL.W.0088.000000T0000Z-210519T0224Z/
/PALM7.1.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/
924 PM CDT Tue May 18 2021

...The Flood Warning for the North River at Palmyra has been 
cancelled...

The Flood Warning is cancelled for
  the North River at Palmyra.
* At 8:30 PM CDT Tuesday the stage was 11.3 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to fall to 4.5 feet Tuesday 
  evening.

&&


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

North River
Palmyra    13.0  11.3  Tue 8 pm  6.6   5.3   5.0   4.9   4.7





&&

LAT...LON 3984 9150 3981 9150 3976 9170 3979 9170

$$

19

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

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.