Alert archive / Missouri / Flash Flood Warnings in 2022
Flash Flood Warning 3, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at May 13, 2022, 7:10 PM CDT for Montgomery County, Missouri. It was in force for 5 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 13, 2022, 7:10 PM CDT (00:10 UTC)
- Expired
- May 14, 2022, 12:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Montgomery County, MO
The radar
The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 00:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 8:00 PM CDT | FLASH FLOOD | 4 Sse Bellflower, MO | MONTGOMERY COUNTY SHERIFFS OFFICE REPORTED MISSOURI STATE HIGHWAY E WAS FLOODED BETWEEN JONESBURG AND BELLFLOWER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 0.2 hours before the alert went out and 264 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2909 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
829
WGUS53 KLSX 140010
FFWLSX
MOC139-140300-
/O.NEW.KLSX.FF.W.0003.220514T0010Z-220514T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
710 PM CDT Fri May 13 2022
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
East Central Montgomery County in east central Missouri...
* Until 1000 PM CDT.
* At 710 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
has fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Jonesburg and Bellflower.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3900 9126 3900 9127 3887 9127 3885 9133
3888 9136 3895 9138 3903 9134 3908 9131
3908 9126 3907 9126 3904 9126 3903 9126
FLASH FLOOD...RADAR INDICATED
$$
Fuchs1 follow-up statement
709
WGUS53 KLSX 140251
FFWLSX
MOC139-140500-
/O.EXT.KLSX.FF.W.0003.000000T0000Z-220514T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
951 PM CDT Fri May 13 2022
The National Weather Service in St Louis has extended the
* Flash Flood Warning for...
East Central Montgomery County in east central Missouri...
* Until midnight CDT.
* At 951 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.5 and 1 inch of rain
has fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Jonesburg and Bellflower.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3900 9126 3900 9127 3887 9127 3885 9133
3888 9136 3895 9138 3903 9134 3908 9131
3908 9126 3907 9126 3904 9126 3903 9126
FLASH FLOOD...RADAR INDICATED
$$
FuchsThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 7:29 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 31 min |
| May 13, 7:35 PM CDT | Severe Thunderstorm Warning | LSX | Audrain | 25 min |
| May 13, 7:59 PM CDT | Flash Flood Warning | LSX | Pike, Ralls | 118 min |
| May 13, 8:12 PM CDT | Flash Flood Warning | LSX | Lincoln, Warren | 4 hr |
| May 13, 8:17 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 43 min |
| May 13, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 39 min |
| May 14, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 16 min |
| May 14, 6:05 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 25 min |
| May 14, 6:31 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 44 min |
Nearby
Flash Flood Warnings in Missouri, 2022Every flash flood warning in 2022
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.