Alert archive / Missouri / River Flood Warnings in 2021
River Flood Warning 120, NWS St. Louis, MO
NWS St. Louis, MO issued this river flood warning at Jul 1, 2021, 6:59 AM CDT for Monroe County, Missouri. It was in force for 37 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2021, 6:59 AM CDT (11:59 UTC)
- Expired
- Jul 2, 2021, 8:20 PM CDT
- In force
- 37 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- Minor
County Monroe County, MO
The radar
The St Louis radar (KLSX), 158 km from the middle of the area, began a volume at 12:01 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 Middle Fork Salt River near Holliday (PMZM7). The gauge peaked at 18.33 ft at Jul 1, 2021, 10:00 AM CDT.
- Action stage
- 15 ft
- Minor stage
- 17 ft
- Moderate stage
- 22 ft
- Major stage
- 26 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05506350, 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.
436
WGUS43 KLSX 011159
FLWLSX
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service St Louis MO
659 AM CDT Thu Jul 1 2021
...The National Weather Service in St Louis MO has issued a Flood
Warning for the following rivers in Missouri...
Mid Fork Salt River near Holliday.
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.
&&
MOC137-030000-
/O.NEW.KLSX.FL.W.0120.210701T1159Z-210703T0120Z/
/PMZM7.1.ER.210701T1001Z.210701T1800Z.210701T2320Z.NO/
659 AM CDT Thu Jul 1 2021
The National Weather Service in St Louis has issued a
* Flood Warning for
the Mid Fork Salt River near Holliday.
* From this morning to tomorrow evening.
* At 6:30 AM CDT Thursday the stage was 17.8 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:30 AM CDT Thursday was 17.8 feet.
* Forecast...The river is expected to rise to a crest of 17.8 feet
this afternoon. It will then fall below flood stage this evening.
* Impact...At 17.5 feet, Water exits the right bank downstream of
the State Highway A bridge.
&&
Fld Observed Forecasts (7 am CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Mid Fork Salt River
Holliday 17.0 17.8 Thu 6 am 15.1 12.1 9.9 7.9 6.8
&&
LAT...LON 3957 9229 3959 9225 3950 9197 3947 9199
3952 9221
$$
BRC2 follow-up statements
513
WGUS83 KLSX 011733
FLSLSX
Flood Statement
National Weather Service St Louis MO
1233 PM CDT Thu Jul 1 2021
...The Flood Warning is extended for the following rivers in
Missouri...
Mid Fork Salt River near Holliday.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Rainfall heavier than forecast could cause river levels to rise even
higher than predicted. The National Weather Service will monitor
this developing situation and issue follow up statements as
conditions change.
This product, along with additional weather and stream information,
is available at https://water.weather.gov/ahps2/index.php?wfo=lsx.
&&
MOC137-030545-
/O.EXT.KLSX.FL.W.0120.000000T0000Z-210703T0800Z/
/PMZM7.1.ER.210701T1001Z.210701T1545Z.210702T0600Z.NO/
1233 PM CDT Thu Jul 1 2021
...The Flood Warning is now in effect until early Saturday morning...
The Flood Warning continues for
the Mid Fork Salt River near Holliday.
* Until early Saturday morning.
* At 11:30 AM CDT Thursday the stage was 18.3 feet.
* Flood stage is 17.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 11:30 AM CDT Thursday was 18.4 feet.
* Forecast...The river is expected to fall below flood stage just
after midnight tonight and continue falling through the weekend.
&&
Fld Observed Forecasts (1 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Mid Fork Salt River
Holliday 17.0 18.3 Thu 11 am 13.3 10.7 9.3 7.5 6.6
&&
LAT...LON 3957 9229 3959 9225 3950 9197 3947 9199
3952 9221
$$
Fuchs720
WGUS83 KLSX 020044
FLSLSX
Flood Statement
National Weather Service St Louis MO
744 PM CDT Thu Jul 1 2021
...The Flood Warning is extended for the following rivers in
Missouri...Illinois...
Cuivre River at Old Monroe.
Cuivre River near Troy.
Illinois River at Meredosia.
Illinois River at La Grange LD.
...The Flood Warning is cancelled for the following rivers in
Missouri...
Mid Fork Salt River near Holliday.
...The Flood Warning continues for the following rivers in
Illinois...
Illinois River at Hardin.
Illinois River at Valley City.
River forecasts are based on observed precipitation and forecast
precipitation for the next 24 hours.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
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.
&&
MOC137-020145-
/O.CAN.KLSX.FL.W.0120.000000T0000Z-210702T0044Z/
/PMZM7.1.ER.210701T1001Z.210701T1545Z.210702T0009Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning for the Mid Fork Salt River near Holliday has
been cancelled...
The Flood Warning is cancelled for
the Mid Fork Salt River near Holliday.
* At 7:30 PM CDT Thursday the stage was 16.9 feet.
* Flood stage is 17.0 feet.
* Forecast...The river is expected to fall to 5.2 feet Sunday, July
11.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Mid Fork Salt River
Holliday 17.0 16.9 Thu 7 pm 11.4 9.3 8.4 7.2 6.4
&&
LAT...LON 3957 9229 3959 9225 3950 9197 3947 9199
3952 9221
$$
MOC113-031245-
/O.EXT.KLSX.FL.W.0124.000000T0000Z-210704T0645Z/
/OMNM7.1.ER.210701T1549Z.210701T2245Z.210702T1845Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning is now in effect until early Sunday morning...
The Flood Warning continues for
the Cuivre River at Old Monroe.
* Until early Sunday morning.
* At 6:30 PM CDT Thursday the stage was 25.7 feet.
* Flood stage is 24.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:30 PM CDT Thursday was 26.0 feet.
* Forecast...The river is expected to rise to a crest of 25.8 feet
just after midnight tonight. It will then fall below flood stage
early tomorrow afternoon.
* Impact...At 27.0 feet, Right bank overflows.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Cuivre River
Old Monroe 24.0 25.7 Thu 6 pm 23.3 18.8 16.3 15.3 14.7
&&
LAT...LON 3892 9081 3894 9070 3892 9070 3890 9080
$$
MOC113-031245-
/O.EXT.KLSX.FL.W.0116.000000T0000Z-210703T2154Z/
/TRYM7.1.ER.210630T1135Z.210701T0630Z.210702T1554Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning is now in effect until Saturday afternoon...
The Flood Warning continues for
the Cuivre River near Troy.
* Until Saturday afternoon.
* At 7:30 PM CDT Thursday the stage was 23.3 feet.
* Flood stage is 21.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 PM CDT Thursday was 23.3 feet.
* Forecast...The river is expected to fall below flood stage late
tomorrow morning and continue falling to 8.2 feet Thursday evening.
* Impact...At 23.2 feet, Gravens Road begins flooding north of
Highway C.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Cuivre River
Troy 21.0 23.3 Thu 7 pm 18.2 11.9 9.5 8.8 8.5
&&
LAT...LON 3901 9100 3903 9095 3895 9089 3893 9090
$$
ILC137-149-031245-
/O.EXT.KLSX.FL.W.0122.210703T0300Z-000000T0000Z/
/MROI2.1.ER.210703T0300Z.210706T1800Z.000000T0000Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning is now in effect until further notice...
The Flood Warning continues for
the Illinois River at Meredosia.
* From Friday evening until further notice.
* At 7:00 PM CDT Thursday the stage was 15.9 feet.
* Flood stage is 17.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tomorrow evening and continue rising to 19.0 feet early Tuesday
afternoon. Additional rises are possible thereafter.
* Impact...At 18.0 feet, City of Meredosia plugs storm sewer outlets.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
Meredosia 17.0 15.9 Thu 7 pm 16.9 17.7 18.3 18.8 19.0
&&
LAT...LON 3988 9063 3988 9051 3977 9053 3977 9067
$$
ILC009-031245-
/O.EXT.KLSX.FL.W.0119.210703T0300Z-000000T0000Z/
/NLGI2.1.ER.210703T0300Z.210706T1200Z.000000T0000Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning is now in effect until further notice...
The Flood Warning continues for
the Illinois River at La Grange LD.
* From Friday evening until further notice.
* At 7:00 PM CDT Thursday the stage was 22.3 feet.
* Flood stage is 23.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage late
tomorrow evening and continue rising to 24.5 feet Tuesday morning.
Additional rises are possible thereafter.
* Impact...At 24.0 feet, Extensive wetland acreage south of La
Grange begins flooding.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
La Grange LD 23.0 22.3 Thu 7 pm 22.9 23.6 24.1 24.4 24.5
&&
LAT...LON 3999 9058 3999 9046 3988 9051 3988 9063
$$
ILC013-061-083-031245-
/O.CON.KLSX.FL.W.0123.000000T0000Z-000000T0000Z/
/HARI2.1.ER.210701T1130Z.210702T1200Z.000000T0000Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Illinois River at Hardin.
* Until further notice.
* At 7:30 PM CDT Thursday the stage was 25.5 feet.
* Flood stage is 25.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 PM CDT Thursday was 25.5 feet.
* Forecast...The river is expected to rise to a crest of 25.8 feet
tomorrow morning.
* Impact...At 25.0 feet, Flood Stage. Lowland flooding of
unprotected agricultural land begins.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
Hardin 25.0 25.5 Thu 7 pm 25.7 25.2 25.1 25.1 25.2
&&
LAT...LON 3952 9064 3952 9052 3898 9048 3891 9054
3903 9062
$$
ILC149-171-031245-
/O.CON.KLSX.FL.W.0113.000000T0000Z-000000T0000Z/
/VALI2.1.ER.210701T1700Z.210707T0000Z.000000T0000Z.NO/
744 PM CDT Thu Jul 1 2021
...The Flood Warning remains in effect...
The Flood Warning continues for
the Illinois River at Valley City.
* Until further notice.
* At 7:30 PM CDT Thursday the stage was 14.2 feet.
* Flood stage is 14.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 7:30 PM CDT Thursday was 14.2 feet.
* Forecast...The river is expected to rise to 17.0 feet Tuesday
evening. Additional rises are possible thereafter.
&&
Fld Observed Forecasts (7 pm CDT)
Location Stg Stg Day/Time Fri Sat Sun Mon Tue
Illinois River
Valley City 14.0 14.2 Thu 7 pm 15.1 15.9 16.5 16.8 17.0
&&
LAT...LON 3977 9067 3977 9053 3952 9052 3952 9064
$$
MRBThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:41 PM CDT | Areal Flood Advisory | LSX | Saint Charles | 3 hr |
| Jun 30, 10:44 PM CDT | Areal Flood Advisory | LSX | Monroe, Ralls | 7 hr |
| Jul 1, 12:12 AM CDT | Areal Flood Advisory | LSX | Marion, Shelby | 23 min |
| Jul 1, 12:35 AM CDT | Flash Flood Warning | LSX | Marion, Shelby | 3 hr |
| Jul 1, 2:57 AM CDT | Areal Flood Advisory | LSX | Marion, Monroe, Shelby | 3 hr |
| Jul 1, 3:21 AM CDT | Areal Flood Advisory | LSX | Marion, Shelby | 2 hr |
| Jul 1, 5:16 AM CDT | Areal Flood Advisory | LSX | Callaway, Montgomery, Warren | 3 hr |
| Jul 1, 5:51 AM CDT | Areal Flood Advisory | LSX | Saint Charles | 3 hr |
| Jul 1, 6:04 AM CDT | Areal Flood Advisory | LSX | Boone, Callaway, Cole, Moniteau | 28 min |
| Jul 1, 6:32 AM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 3 hr |
| Jul 1, 8:21 AM CDT | River Flood Warning | LSX | Cole | 32 hr |
| Jul 1, 11:54 AM CDT | River Flood Warning | LSX | Lincoln | 27 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.