Alert archive / Missouri / River Flood Warnings in 2021
River Flood Warning 137, NWS St. Louis, MO
NWS St. Louis, MO issued this river flood warning at Jul 31, 2021, 9:49 AM CDT for Marion County, Missouri. It was in force for 18 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2021, 9:49 AM CDT (14:49 UTC)
- Expired
- Aug 1, 2021, 3:32 AM CDT
- In force
- 18 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 14:51 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 15.09 ft at Jul 31, 2021, 2:00 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.
The text
As transmitted.
028
WGUS43 KLSX 311449
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
949 AM CDT Sat Jul 31 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.
&&
MOC127-020300-
/O.NEW.KLSX.FL.W.0137.210731T1449Z-210802T1210Z/
/PALM7.1.ER.210731T1406Z.210801T0000Z.210801T0610Z.NO/
949 AM CDT Sat Jul 31 2021
The National Weather Service in St Louis has issued a
* Flood Warning for
the North River at Palmyra.
* From this morning to Monday morning.
* At 9:30 AM CDT Saturday the stage was 13.4 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 9:30 AM CDT Saturday was 13.4 feet.
* Forecast...The river is expected to rise to a crest of 15.5 feet
this evening. It will then fall below flood stage just after
midnight tonight.
* Impact...At 16.0 feet, Left bank begins to flood near the gage.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Sun Mon Tue Wed Thu
North River
Palmyra 13.0 13.4 Sat 9 am 9.5 5.7 5.1 5.0 4.7
&&
LAT...LON 3984 9150 3981 9150 3976 9170 3979 9170
$$
Maples2 follow-up statements
881
WGUS83 KLSX 010127
FLSLSX
Flood Statement
National Weather Service St Louis MO
827 PM CDT Sat Jul 31 2021
...The Flood Warning continues for the following rivers in
Missouri...
Middle Fabius River near Ewing.
North River at Palmyra.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
MOC111-021330-
/O.EXT.KLSX.FL.W.0139.000000T0000Z-210803T1115Z/
/EWMM7.1.ER.210731T2230Z.210801T1200Z.210802T0515Z.NO/
827 PM CDT Sat Jul 31 2021
...The Flood Warning is now in effect until Tuesday morning...
The Flood Warning continues for
the Middle Fabius River near Ewing.
* Until Tuesday morning.
* At 7:30 PM CDT Saturday the stage was 12.3 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast...The river is expected to rise to a crest of 13.1 feet
tomorrow morning. It will then fall below flood stage early Monday
morning.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Sun Mon Tue Wed Thu
Middle Fabius River
Ewing 12.0 12.3 Sat 7 pm 12.7 9.2 6.8 4.3 3.7
&&
LAT...LON 4010 9179 4012 9175 3995 9158 3994 9162
$$
MOC127-021000-
/O.EXT.KLSX.FL.W.0137.000000T0000Z-210802T0946Z/
/PALM7.1.ER.210731T1406Z.210731T1930Z.210801T0346Z.NO/
827 PM CDT Sat Jul 31 2021
...The Flood Warning is now in effect until early Monday morning...
The Flood Warning continues for
the North River at Palmyra.
* Until early Monday morning.
* At 7:30 PM CDT Saturday the stage was 14.0 feet.
* Flood stage is 13.0 feet.
* Minor flooding is occurring.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 4.3 feet Saturday evening.
* 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 Sun Mon Tue Wed Thu
North River
Palmyra 13.0 14.0 Sat 7 pm 8.1 5.3 4.9 4.7 4.5
&&
LAT...LON 3984 9150 3981 9150 3976 9170 3979 9170
$$
Carney035
WGUS83 KLSX 010832
FLSLSX
Flood Statement
National Weather Service St Louis MO
332 AM CDT Sun Aug 1 2021
...The Flood Warning is cancelled for the following rivers in
Missouri...
North River at Palmyra.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
MOC127-010945-
/O.CAN.KLSX.FL.W.0137.000000T0000Z-210801T0832Z/
/PALM7.1.ER.210731T1406Z.210731T1930Z.210801T0221Z.NO/
332 AM CDT Sun Aug 1 2021
...The Flood Warning for the North River at Palmyra has been
cancelled...
The Flood Warning is cancelled for
the North River at Palmyra.
* At 2:30 AM CDT Sunday the stage was 10.3 feet.
* Flood stage is 13.0 feet.
* Forecast...The river stage has fallen below flood stage and will
continue to recede.
&&
Fld Observed Forecasts (1 am CDT)
Location Stg Stg Day/Time Mon Tue Wed Thu Fri
North River
Palmyra 13.0 10.3 Sun 2 am 7.3 5.1 4.8 4.6 4.5
&&
LAT...LON 3984 9150 3981 9150 3976 9170 3979 9170
$$
19The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 5:34 AM CDT | Areal Flood Advisory | LSX | Knox, Lewis | 3 hr |
| Jul 31, 6:51 AM CDT | Areal Flood Advisory | LSX | Marion, Shelby | 3 hr |
| Jul 31, 7:39 AM CDT | Flash Flood Warning | LSX | Marion | 3 hr |
| Jul 31, 9:50 AM CDT | River Flood Warning | LSX | Marion | 3 days |
| Jul 31, 3:05 PM CDT | River Flood Warning | LSX | Lewis | 49 hr |
| Jul 31, 5:15 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 21 min |
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.