Alert archive / Missouri / Flash Flood Warnings in 2021
Flash Flood Warning 10, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jun 25, 2021, 4:26 AM CDT for 4 counties in Missouri. It was in force for 6 hr. 22 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 25, 2021, 4:26 AM CDT (09:26 UTC)
- Expired
- Jun 25, 2021, 10:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Boone County, MO, Callaway County, MO, Cole County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 148 km from the middle of the area, began a volume at 09:30 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 25, 4:35 AM CDT | FLASH FLOOD | 4 Ene Mcbaine, MO | VEHICLE SWEPT OFF ROAD BY FLASH FLOOD NEAR NIFONG AND GLEN EAGLE DRIVE IN COLUMBIA. |
| Jun 25, 5:15 AM CDT | FLASH FLOOD | 4 E Mcbaine, MO | ONE FOOT OF WATER OF ROADWAY. |
| Jun 25, 6:13 AM CDT | HEAVY RAIN 3.72 | 2 E Ashland, MO | COCORAHS STATION MO-BN-77 ASHLAND 2.2 E. |
| Jun 25, 6:43 AM CDT | FLASH FLOOD | 5 Ese Columbia, MO | MODOT HAS CLOSED ROUTE WW DUE TO FLOODING. |
| Jun 25, 7:00 AM CDT | HEAVY RAIN 2.81 | 5 Se Ashland, MO | COCORAHS STATION MO-CW-9 NEW BLOOMFIELD 5.2 W. |
| Jun 25, 7:00 AM CDT | HEAVY RAIN 3.42 | 4 E Ashland, MO | COCORAHS STATION MO-BN-7 ASHLAND 4.2 E. |
| Jun 25, 7:00 AM CDT | HEAVY RAIN 3.46 | 1 Wnw Ashland, MO | COCORAHS STATION MO-BN-32 ASHLAND 0.7 WNW. |
| Jun 25, 7:00 AM CDT | HEAVY RAIN 3.51 | 2 Nw Ashland, MO | COCORAHS STATION MO-BN-73 ASHLAND 2.1 NW. |
| Jun 25, 7:35 AM CDT | HEAVY RAIN 2.67 | 4 Ne Ashland, MO | ASOS STATION KCOU COLUMBIA. |
| Jun 25, 7:35 AM CDT | HEAVY RAIN 3.68 | 7 Se Columbia, MO | MESONET STATION MOA18 7 ESE COLUMBIA. |
| Jun 25, 7:38 AM CDT | HEAVY RAIN 2.51 | 6 Se Carrington, MO | MESONET STATION CW8078 FULTON. |
| Jun 25, 7:45 AM CDT | HEAVY RAIN 2.39 | 1 Ne Fulton, MO | MESONET STATION EW3196 FULTON. |
| Jun 25, 7:50 AM CDT | HEAVY RAIN 3.71 | 7 Se Columbia, MO | MESONET STATION MOA18 7 ESE COLUMBIA. |
| Jun 25, 7:59 AM CDT | HEAVY RAIN 2.8 | 4 Ne Ashland, MO | ASOS STATION KCOU COLUMBIA. |
| Jun 25, 8:00 AM CDT | HEAVY RAIN 2.39 | 1 Ne Fulton, MO | MESONET STATION EW3196 FULTON. |
| Jun 25, 8:00 AM CDT | HEAVY RAIN 6.74 | Lupus, MO | COCORAHS STATION MO-MT-5 LUPUS 0.1 NE. |
| Jun 25, 8:01 AM CDT | FLASH FLOOD | 4 W Guthrie, MO | MODOT HAS CLOSED ROUTE Y DUE TO FLASH FLOODING ALONG CEDAR CREEK. |
| Jun 25, 8:03 AM CDT | HEAVY RAIN 2.54 | 6 Se Carrington, MO | MESONET STATION CW8078 FULTON. |
| Jun 25, 8:05 AM CDT | HEAVY RAIN 3.73 | 7 Se Columbia, MO | MESONET STATION MOA18 7 ESE COLUMBIA. |
| Jun 25, 8:08 AM CDT | HEAVY RAIN 2.55 | 6 Se Carrington, MO | MESONET STATION CW8078 FULTON. |
| Jun 25, 8:15 AM CDT | HEAVY RAIN 3.74 | 7 Se Columbia, MO | MESONET STATION MOA18 7 ESE COLUMBIA. |
| Jun 25, 10:10 AM CDT | FLOOD | 5 S Columbia, MO | THE INTERSECTION OF ROCK QUARRY RD AND HIGHWAY 163 IS CLOSED DUE TO FLOODING FROM GANS CREEK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 9.4 hours before the alert went out and 250 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
- 2954 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1147 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
102
WGUS53 KLSX 250926
FFWLSX
MOC019-027-051-135-251530-
/O.NEW.KLSX.FF.W.0010.210625T0926Z-210625T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
426 AM CDT Fri Jun 25 2021
The National Weather Service in St Louis has issued a
* Flash Flood Warning for...
Southern Boone County in central Missouri...
Central Callaway County in central Missouri...
Northern Cole County in central Missouri...
Northeastern Moniteau County in central Missouri...
* Until 1030 AM CDT Friday.
* At 426 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have 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...
Columbia, Fulton, Ashland, Columbia Regional Airport, New
Bloomfield, Jamestown, Easley, Marion, Kingdom City, Hartsburg,
Lupus, McBaine, Guthrie, Carrington, Wilton, Sandy Hook and
Kliever.
This includes the following State Parks...
Rock Bridge State Park.
This includes the following highways...
Interstate 70 in Missouri near exit 148.
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.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3869 9262 3888 9252 3889 9252 3890 9251
3891 9251 3892 9250 3893 9237 3891 9237
3891 9225 3893 9225 3896 9181 3869 9183
3868 9262
FLASH FLOOD...RADAR INDICATED
$$
Walsh1 follow-up statement
560
WGUS73 KLSX 251136
FFSLSX
Flash Flood Statement
National Weather Service St Louis MO
636 AM CDT Fri Jun 25 2021
MOC019-027-051-135-251530-
/O.CON.KLSX.FF.W.0010.000000T0000Z-210625T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone MO-Callaway MO-Cole MO-Moniteau MO-
636 AM CDT Fri Jun 25 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT THIS
MORNING FOR SOUTHERN BOONE, CENTRAL CALLAWAY, NORTHERN COLE AND
NORTHEASTERN MONITEAU COUNTIES...
At 636 AM CDT, Emergency management reported flash flooding across
the warned area. Between 3 and 5 inches of rain have fallen.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Columbia, Fulton, Ashland, Columbia Regional Airport, New
Bloomfield, Jamestown, Easley, Marion, Kingdom City, Hartsburg,
Lupus, McBaine, Guthrie, Carrington, Wilton, Sandy Hook and
Kliever.
This includes the following State Parks...
Rock Bridge State Park.
This includes the following highways...
Interstate 70 in Missouri near exit 148.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3892 9250 3893 9237 3891 9237 3891 9225
3893 9225 3896 9181 3869 9183 3868 9262
FLASH FLOOD...OBSERVED
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 10:57 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 48 min |
| Jun 24, 11:03 PM CDT | Tornado Warning | LSX | Monroe, Shelby | 42 min |
| Jun 24, 11:29 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Lewis, Marion, Monroe, Pike, Ralls and 1 more | 46 min |
| Jun 24, 11:32 PM CDT | Tornado Warning | LSX | Lewis | 28 min |
| Jun 24, 11:35 PM CDT | Tornado Warning | LSX | Audrain, Monroe, Ralls | 40 min |
| Jun 24, 11:40 PM CDT | Tornado Warning | LSX | Marion, Monroe, Ralls, Shelby | 38 min |
| Jun 25, 12:09 AM CDT | Tornado Warning | LSX | Audrain, Pike, Ralls | 51 min |
| Jun 25, 12:17 AM CDT | Severe Thunderstorm Warning | LSX | Audrain, Lincoln, Montgomery, Pike, Ralls | 43 min |
| Jun 25, 12:57 AM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Pike | 48 min |
| Jun 25, 1:27 AM CDT | River Flood Warning | LSX | Boone | 33 hr |
| Jun 25, 1:54 AM CDT | Areal Flood Advisory | LSX | Montgomery | 3 hr |
| Jun 25, 2:21 AM CDT | Areal Flood Advisory | LSX | Audrain, Boone, Callaway | 106 min |
| Jun 25, 3:07 AM CDT | Areal Flood Advisory | LSX | Boone, Callaway, Cole, Moniteau | 82 min |
| Jun 25, 3:34 AM CDT | Flash Flood Warning | LSX | Boone | 6 hr |
| Jun 25, 4:04 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway | 6 hr |
| Jun 25, 4:28 AM CDT | Flash Flood Warning | LSX | Callaway, Lincoln, Montgomery, Osage, Warren | 6 hr |
| Jun 25, 7:48 AM CDT | River Flood Warning | LSX | Lincoln | 62 hr |
| Jun 25, 8:25 AM CDT | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Moniteau | 9 hr |
| Jun 25, 10:06 AM CDT | River Flood Warning | LSX | Franklin, Warren | 9 days |
| Jun 25, 10:06 AM CDT | River Flood Warning | LSX | Saint Charles, Saint Louis | 21 days |
| Jun 25, 10:06 AM CDT | River Flood Warning | LSX | Boone, Callaway, Cole, Moniteau | 8 days |
| Jun 25, 10:06 AM CDT | River Flood Warning | LSX | Callaway, Osage | 21 days |
| Jun 25, 10:06 AM CDT | River Flood Warning | LSX | Gasconade, Montgomery | 10 days |
| Jun 25, 4:59 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Osage | 20 min |
| Jun 25, 5:01 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 44 min |
| Jun 25, 5:05 PM CDT | River Flood Warning | LSX | Cole, Osage | 9 days |
| Jun 25, 5:42 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 22 min |
| Jun 25, 6:07 PM CDT | River Flood Warning | LSX | Lincoln | 3 days |
| Jun 25, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Saint Charles, Warren | 39 min |
| Jun 25, 6:43 PM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway | 6 hr |
| Jun 25, 6:48 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln, Montgomery, Warren | 42 min |
| Jun 25, 6:55 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 19 min |
Nearby
Flash Flood Warnings in Missouri, 2021Every flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.