Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 169, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Oct 24, 2021, 5:27 PM CDT for Boone County, Moniteau County, Missouri. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 24, 2021, 5:27 PM CDT (22:27 UTC)
- Expired
- Oct 24, 2021, 6:15 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Boone County, MO, Moniteau County, MO
The radar
The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 22:30 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 24, 2:06 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 10.5 hours before the alert went out and 258 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
- 860 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 737 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
969
WUUS53 KLSX 242227
SVRLSX
MOC019-135-242315-
/O.NEW.KLSX.SV.W.0169.211024T2227Z-211024T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
527 PM CDT Sun Oct 24 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Boone County in central Missouri...
Northeastern Moniteau County in central Missouri...
* Until 615 PM CDT.
* At 526 PM CDT, a severe thunderstorm was located near Bunceton,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near...
Jamestown around 545 PM CDT.
Other locations in the path of this severe thunderstorm include
Easley, Ashland and Columbia Regional Airport.
This includes Interstate 70 in Missouri between exits 124 and 133.
This also includes Rock Bridge State Park and Jewell Cemetery
Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
&&
LAT...LON 3892 9250 3894 9252 3903 9214 3902 9213
3890 9217 3888 9215 3887 9216 3887 9215
3886 9215 3884 9214 3883 9215 3881 9214
3880 9216 3877 9216 3875 9218 3873 9260
TIME...MOT...LOC 2226Z 258DEG 38KT 3879 9272
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CVKING3 follow-up statements
029
WWUS53 KLSX 242244
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
544 PM CDT Sun Oct 24 2021
MOC019-135-242315-
/O.CON.KLSX.SV.W.0169.000000T0000Z-211024T2315Z/
Boone MO-Moniteau MO-
544 PM CDT Sun Oct 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR CENTRAL BOONE AND NORTHEASTERN MONITEAU COUNTIES...
At 544 PM CDT, a severe thunderstorm was located 7 miles south of
Midway, moving northeast at 60 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Columbia.
This also includes Rock Bridge State Park and Jewell Cemetery
Historic Site.
This includes Interstate 70 in Missouri between exits 124 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3892 9250 3894 9252 3903 9214 3902 9213
3890 9217 3888 9215 3887 9216 3887 9215
3886 9215 3884 9214 3883 9215 3878 9257
TIME...MOT...LOC 2244Z 246DEG 51KT 3888 9249
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CVKING781
WWUS53 KLSX 242255
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
555 PM CDT Sun Oct 24 2021
MOC135-242305-
/O.CAN.KLSX.SV.W.0169.000000T0000Z-211024T2315Z/
Moniteau MO-
555 PM CDT Sun Oct 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MONITEAU COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
LAT...LON 3903 9214 3902 9213 3890 9217 3888 9215
3887 9216 3887 9215 3886 9215 3884 9214
3883 9215 3883 9237 3884 9243 3887 9244
3896 9245
TIME...MOT...LOC 2255Z 250DEG 30KT 3888 9240
$$
MOC019-242315-
/O.CON.KLSX.SV.W.0169.000000T0000Z-211024T2315Z/
Boone MO-
555 PM CDT Sun Oct 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR CENTRAL BOONE COUNTY...
At 555 PM CDT, a severe thunderstorm was located near Easley, moving
east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Columbia Regional Airport and Columbia.
This also includes Rock Bridge State Park and Jewell Cemetery
Historic Site.
This includes Interstate 70 in Missouri between exits 124 and 133.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3903 9214 3902 9213 3890 9217 3888 9215
3887 9216 3887 9215 3886 9215 3884 9214
3883 9215 3883 9237 3884 9243 3887 9244
3896 9245
TIME...MOT...LOC 2255Z 250DEG 30KT 3888 9240
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
CVKING851
WWUS53 KLSX 242305
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
605 PM CDT Sun Oct 24 2021
MOC019-242315-
/O.EXP.KLSX.SV.W.0169.000000T0000Z-211024T2315Z/
Boone MO-
605 PM CDT Sun Oct 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BOONE COUNTY WILL
EXPIRE AT 615 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 1000 PM CDT for central
Missouri.
LAT...LON 3903 9214 3902 9213 3890 9217 3888 9215
3887 9216 3887 9215 3886 9215 3884 9214
3883 9215 3883 9237 3884 9243 3887 9244
3896 9245
TIME...MOT...LOC 2305Z 258DEG 38KT 3890 9227
$$
CVKINGThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 4:17 AM CDT | Areal Flood Advisory | LSX | Knox, Lewis, Marion, Shelby | 6 hr |
| Oct 24, 4:58 AM CDT | Flash Flood Warning | LSX | Lewis, Marion | 2 hr |
| Oct 24, 9:49 AM CDT | River Flood Warning | LSX | Marion | 23 hr |
| Oct 24, 4:49 PM CDT | Severe Thunderstorm Warning | LSX | Pike, Ralls | 41 min |
| Oct 24, 5:03 PM CDT | River Flood Warning | LSX | Marion | 38 hr |
| Oct 24, 5:17 PM CDT | Tornado Warning | LSX | Pike | 43 min |
| Oct 24, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Montgomery, Ralls | 39 min |
| Oct 24, 6:37 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 38 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2021Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.