Alert archive / Missouri / River Flood Warnings in 2021

River Flood Warning 117, NWS St. Louis, MO

June 30, 2021Marion County, Missouri

NWS St. Louis, MO issued this river flood warning at Jun 30, 2021, 6:00 PM CDT for Marion County, Missouri. It was in force for 22 hr.

The area

The outline as issued.

The facts

Issued: Jun 30, 2021, 6:00 PM CDT (23:00 UTC)
Expired: Jul 1, 2021, 3:49 PM CDT
In force: 22 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: Minor

County Marion County, MO

The radar

The St Louis radar (KLSX), 146 km from the middle of the area, began a volume at 23:01 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 North River (MO) at Palmyra (PALM7). The gauge peaked at 17.42 ft at Jul 1, 2021, 2:00 AM 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.

The text

As transmitted.

757 
WGUS43 KLSX 302300
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
600 PM CDT Wed Jun 30 2021

...The National Weather Service in St Louis MO has issued a Flood 
Warning 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.

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.

  

&&


MOC127-021100-
/O.NEW.KLSX.FL.W.0117.210630T2300Z-210702T1414Z/
/PALM7.1.ER.210630T2237Z.210701T0000Z.210701T0813Z.NO/
600 PM CDT Wed Jun 30 2021

The National Weather Service in St Louis has issued a

* Flood Warning for
  the North River at Palmyra.
* From this evening to late Friday morning.
* At 5:30 PM CDT Wednesday the stage was 12.9 feet.
* Flood stage is 13.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 14.4 feet 
  this evening. It will then fall below flood stage late tonight.
* Impact...At 14.0 feet, Marion County Rd 341 north of Palmyra 
  inundated. Significant agricultural land flooding...right bank.

&&


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

North River
Palmyra    13.0  12.9  Wed 5 pm  8.6   6.6   5.7   5.2   5.1





&&

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

$$

Walsh

5 follow-up statements

599 
WGUS43 KLSX 010014
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
714 PM CDT Wed Jun 30 2021

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration 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.

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.

  

&&


MOC127-012100-
/O.EXT.KLSX.FL.W.0117.000000T0000Z-210701T2049Z/
/PALM7.2.ER.210630T2237Z.210701T0600Z.210701T1449Z.NO/
714 PM CDT Wed Jun 30 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until tomorrow afternoon...

The Flood Warning continues for
  the North River at Palmyra.
* Until tomorrow afternoon.
* At 6:30 PM CDT Wednesday the stage was 14.9 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:30 PM CDT Wednesday was 14.9 feet.
* Forecast...The river is expected to rise to a crest of 16.7 feet 
  just after midnight tonight. It will then fall below flood stage 
  late tomorrow morning.
* Impact...At 16.0 feet, Left bank begins to flood near the gage.

&&


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

North River
Palmyra    13.0  14.9  Wed 6 pm  10.5  8.0   6.7   6.1   5.6





&&

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

$$

MRB

958 
WGUS43 KLSX 010023 CCA
FLWLSX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning...CORRECTED
National Weather Service St Louis MO
723 PM CDT Wed Jun 30 2021

...Forecast flooding changed from Minor to Moderate severity and 
increased in duration 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.

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.

  

&&


MOC127-012100-
/O.COR.KLSX.FL.W.0117.000000T0000Z-210701T2049Z/
/PALM7.2.ER.210630T2237Z.210701T0600Z.210701T1449Z.NO/
723 PM CDT Wed Jun 30 2021

...Forecast flooding increased from Minor to Moderate severity and 
increased in duration until tomorrow afternoon...

The Flood Warning continues for
  the North River at Palmyra.
* Until tomorrow afternoon.
* At 6:30 PM CDT Wednesday the stage was 14.9 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 6:30 PM CDT Wednesday was 14.9 feet.
* Forecast...The river is expected to rise to a crest of 16.7 this 
  evening. It will then fall below flood stage late tomorrow morning.
* Impact...At 16.0 feet, Left bank begins to flood near the gage.

&&


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

North River
Palmyra    13.0  14.9  Wed 6 pm  10.5  8.0   6.7   6.1   5.6





&&

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

$$

MRB

053 
WGUS83 KLSX 010624
FLSLSX

Flood Statement
National Weather Service St Louis MO
124 AM CDT Thu Jul 1 2021

...The Flood Warning is extended 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.

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.

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.

  

&&


MOC127-021200-
/O.EXT.KLSX.FL.W.0117.000000T0000Z-210702T1200Z/
/PALM7.2.ER.210630T2237Z.210701T0530Z.210701T2120Z.NO/
124 AM CDT Thu Jul 1 2021

...The Flood Warning is now in effect until tomorrow morning...

The Flood Warning continues for
  the North River at Palmyra.
* Until tomorrow morning.
* At 12:30 AM CDT Thursday the stage was 17.3 feet.
* Flood stage is 13.0 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 12:30 AM CDT Thursday was 17.3 feet.
* Forecast...The river is expected to fall below flood stage late 
  this afternoon and continue falling to 5.2 feet early Thursday 
  morning.
* Impact...At 16.0 feet, Left bank begins to flood near the gage.
* Impact...At 17.1 feet, Agricultural land along the left bank 
  begins flooding near the gage.

&&


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

North River
Palmyra    13.0  17.3  Thu 12 am 10.4  6.4   6.1   5.8   5.6





&&

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

$$

BRC

907 
WGUS83 KLSX 011831
FLSLSX

Flood Statement
National Weather Service St Louis MO
131 PM CDT Thu Jul 1 2021

...The Flood Warning is extended 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

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

  

&&


MOC127-030645-
/O.EXT.KLSX.FL.W.0117.000000T0000Z-210703T0715Z/
/PALM7.2.ER.210630T2237Z.210701T0700Z.210702T0115Z.NO/
131 PM CDT Thu Jul 1 2021

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

The Flood Warning continues for
  the North River at Palmyra.
* Until early Saturday morning.
* At 12:30 PM CDT Thursday the stage was 14.8 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to fall below flood stage this 
  evening and continue falling to 5.3 feet early Thursday afternoon.
* Impact...At 14.0 feet, Marion County Rd 341 north of Palmyra is 
  inundated.

&&


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

North River
Palmyra    13.0  14.8  Thu 12 pm 8.0   6.6   6.2   6.0   5.5





&&

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

$$

Fuchs

554 
WGUS83 KLSX 012049
FLSLSX

Flood Statement
National Weather Service St Louis MO
349 PM CDT Thu Jul 1 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.

MOC127-012200-
/O.CAN.KLSX.FL.W.0117.000000T0000Z-210701T2049Z/
/PALM7.2.ER.210630T2237Z.210701T0700Z.210701T1923Z.NO/
349 PM CDT Thu Jul 1 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 3:30 PM CDT Thursday the stage was 11.8 feet.
* Flood stage is 13.0 feet.
* Forecast...The river is expected to fall to 10.0 feet later this 
  evening.

&&


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

North River
Palmyra    13.0  11.8  Thu 3 pm  7.8   6.6   6.2   6.0   5.5





&&

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

$$

MRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 8:41 PM CDT	River Flood Warning	LSX	Lewis	30 hr
Jun 30, 3:30 AM CDT	Flash Flood Watch	LSX	Audrain, Boone, Callaway, Cole, Crawford, Franklin and 8 more	33 hr
Jun 30, 5:15 AM CDT	Areal Flood Advisory	LSX	Boone, Moniteau	3 hr
Jun 30, 5:44 AM CDT	River Flood Warning	LSX	Lincoln	49 hr
Jun 30, 5:59 AM CDT	Areal Flood Advisory	LSX	Boone, Callaway	3 hr
Jun 30, 7:01 AM CDT	Areal Flood Advisory	LSX	Montgomery	3 hr
Jun 30, 7:49 AM CDT	Areal Flood Advisory	LSX	Lincoln, Montgomery, Warren	3 hr
Jun 30, 4:03 PM CDT	Areal Flood Advisory	LSX	Lewis, Marion	3 hr
Jun 30, 4:34 PM CDT	Areal Flood Advisory	LSX	Marion	46 min
Jun 30, 5:20 PM CDT	Flash Flood Warning	LSX	Marion	2 hr
Jun 30, 6:00 PM CDT	River Flood Warning	LSX	Marion	19 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.