Alert archive / Missouri / Flash Flood Warnings in 2019
Flash Flood Warning 21, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 22, 2019, 6:53 AM CDT for 5 counties in Missouri. It was in force for 6 hr. 4 reports 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
- Jun 22, 2019, 6:53 AM CDT (11:53 UTC)
- Expired
- Jun 22, 2019, 1:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Audrain County, MO, Boone County, MO, Callaway County, MO, Monroe County, MO, Montgomery County, MO
The radar
The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 11:55 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 |
|---|---|---|---|
| Jun 22, 7:30 AM CDT | HEAVY RAIN 2.81 | 1 Nnw Mexico, MO | SINCE MIDNIGHT. |
| Jun 22, 7:41 AM CDT | HEAVY RAIN 3.88 | 1 Nnw Mexico, MO | 24 HOUR ACCUMULATION. |
| Jun 22, 8:00 AM CDT | HEAVY RAIN 2.57 | 4 Sw Middletown, MO | 24 HOUR ACCUMULATION. |
| Jun 22, 8:20 AM CDT | FLASH FLOOD | 1 Nw Mexico, MO | MULTIPLE ROADS UNDERWATER THROUGHOUT COUNTY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 11.9 hours before the alert went out and 288 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
- 928 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 442 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
128
WGUS53 KLSX 221153
FFWLSX
MOC007-019-027-137-139-221800-
/O.NEW.KLSX.FF.W.0021.190622T1153Z-190622T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
653 AM CDT Sat Jun 22 2019
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Northeastern Boone County in central Missouri...
Audrain County in central Missouri...
Northern Montgomery County in east central Missouri...
Northeastern Callaway County in central Missouri...
Southwestern Monroe County in northeastern Missouri...
* Until 100 PM CDT Saturday.
* At 653 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected to begin shortly.
* Some locations that will experience flooding include...
Mexico, Centralia, Montgomery City, Wellsville, Sturgeon, Madison,
Laddonia, Bellflower, Martinsburg, Buell, Middletown, Rush Hill,
Benton City, Vandiver and Thompson.
This also includes Union Covered Bridge Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3956 9230 3914 9141 3914 9138 3911 9126
3892 9126 3910 9210 3925 9231
$$
Tilly1 follow-up statement
733
WGUS73 KLSX 221518
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
1018 AM CDT Sat Jun 22 2019
MOC007-019-027-137-139-221800-
/O.CON.KLSX.FF.W.0021.000000T0000Z-190622T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-Audrain MO-Montgomery MO-Callaway MO-Monroe MO-
1018 AM CDT Sat Jun 22 2019
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 PM CDT FOR
NORTHEASTERN BOONE...AUDRAIN...NORTHERN MONTGOMERY...NORTHEASTERN
CALLAWAY AND SOUTHWESTERN MONROE COUNTIES...
At 1015 AM CDT, emergency management reported multiple roads flooded
due to heavy rain and thunderstorms over Audrain County this
morning. Up to four inches of rain have already fallen. Flash
flooding is expected to continue.
Some locations that will experience flooding include...
Mexico, Centralia, Montgomery City, Wellsville, Sturgeon, Madison,
Laddonia, Bellflower, Martinsburg, Buell, Middletown, Rush Hill,
Benton City, Vandiver and Thompson.
This also includes Union Covered Bridge Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3956 9230 3914 9141 3914 9138 3911 9126
3892 9126 3910 9210 3925 9231
$$
WalshThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 12:44 AM CDT | Special Weather Statement | LSX | Shelby | 31 min |
| Jun 22, 6:31 AM CDT | Areal Flood Advisory | LSX | Audrain | 119 min |
| Jun 22, 9:02 AM CDT | Special Weather Statement | LSX | City of Saint Louis | 28 min |
| Jun 22, 9:08 AM CDT | Areal Flood Advisory | LSX | Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 3 hr |
| Jun 22, 9:19 AM CDT | Flash Flood Warning | LSX | Callaway, Montgomery, Warren | 6 hr |
| Jun 22, 9:32 AM CDT | Flash Flood Warning | LSX | Boone, Callaway, Cole, Gasconade, Moniteau, Osage | 6 hr |
| Jun 22, 10:57 AM CDT | River Flood Warning | LSX | Boone | 3 hr |
| Jun 22, 3:09 PM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Knox, Lewis and 8 more | 23 hr |
| Jun 22, 3:33 PM CDT | River Flood Warning | LSX | Lincoln | 22 hr |
| Jun 22, 3:33 PM CDT | River Flood Warning | LSX | Lewis | 4 days |
| Jun 22, 5:04 PM CDT | River Flood Warning | LSX | Lewis | 4 days |
Nearby
Flash Flood Warnings in Missouri, 2019Every flash flood warning in 2019
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.