Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 111, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 2021, 6:11 PM CDT for Callaway County, Montgomery County, Warren County, Missouri. It was in force for 49 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
- Jun 28, 2021, 6:11 PM CDT (23:11 UTC)
- Expired
- Jun 28, 2021, 7:00 PM CDT
- In force
- 49 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Callaway County, MO, Montgomery County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 75 km from the middle of the area, began a volume at 23:10 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 11.2 hours before the alert went out and 291 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
- 386 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 948 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
170
WUUS53 KLSX 282311
SVRLSX
MOC027-139-219-290000-
/O.NEW.KLSX.SV.W.0111.210628T2311Z-210629T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
611 PM CDT Mon Jun 28 2021
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Montgomery County in east central Missouri...
East central Callaway County in central Missouri...
West central Warren County in east central Missouri...
* Until 700 PM CDT.
* At 611 PM CDT, a severe thunderstorm was located near Big Spring,
moving northeast at 25 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...
Big Spring and Mineola around 625 PM CDT.
Other locations in the path of this severe thunderstorm include New
Florence and Jonesburg.
This includes Interstate 70 in Missouri between exits 170 and 183.
This also includes Graham Cave State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3870 9161 3881 9174 3911 9145 3885 9126
TIME...MOT...LOC 2311Z 234DEG 23KT 3878 9160
HAIL...1.00IN
WIND...60MPH
$$
Glass4 follow-up statements
709
WWUS53 KLSX 282320
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
620 PM CDT Mon Jun 28 2021
MOC027-282330-
/O.CAN.KLSX.SV.W.0111.000000T0000Z-210629T0000Z/
Callaway MO-
620 PM CDT Mon Jun 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CALLAWAY COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. **! Therefore, the warning has been cancelled.
LAT...LON 3874 9164 3890 9164 3911 9145 3885 9126
TIME...MOT...LOC 2320Z 231DEG 20KT 3881 9157
$$
MOC139-219-290000-
/O.CON.KLSX.SV.W.0111.000000T0000Z-210629T0000Z/
Montgomery MO-Warren MO-
620 PM CDT Mon Jun 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL MONTGOMERY AND WEST CENTRAL WARREN COUNTIES...
At 620 PM CDT, a severe thunderstorm was located near Big Spring,
moving northeast at 25 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 storm will be near...
Big Spring and Mineola around 630 PM CDT.
Other locations in the path of this severe thunderstorm include New
Florence, Montgomery City, Jonesburg and Buell.
This also includes Graham Cave State Park.
This includes Interstate 70 in Missouri between exits 170 and 183.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3874 9164 3890 9164 3911 9145 3885 9126
TIME...MOT...LOC 2320Z 231DEG 20KT 3881 9157
HAIL...1.00IN
WIND...60MPH
$$
Glass448
WWUS53 KLSX 282333
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
633 PM CDT Mon Jun 28 2021
MOC139-219-290000-
/O.CON.KLSX.SV.W.0111.000000T0000Z-210629T0000Z/
Montgomery MO-Warren MO-
633 PM CDT Mon Jun 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR CENTRAL MONTGOMERY AND WEST CENTRAL WARREN COUNTIES...
At 633 PM CDT, a severe thunderstorm was located near New Florence,
moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
New Florence around 640 PM CDT.
Other locations in the path of this severe thunderstorm include
Jonesburg.
This also includes Graham Cave State Park.
This includes Interstate 70 in Missouri between exits 170 and 183.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3879 9147 3890 9164 3911 9145 3885 9126
TIME...MOT...LOC 2333Z 234DEG 23KT 3886 9148
HAIL...1.00IN
WIND...60MPH
$$
Glass566 WWUS53 KLSX 282349 SVSLSX Severe Weather Statement National Weather Service St Louis MO 649 PM CDT Mon Jun 28 2021 MOC139-219-290000- /O.CON.KLSX.SV.W.0111.000000T0000Z-210629T0000Z/ Montgomery MO-Warren MO- 649 PM CDT Mon Jun 28 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR CENTRAL MONTGOMERY AND WEST CENTRAL WARREN COUNTIES... At 649 PM CDT, a severe thunderstorm was located near New Florence, moving northeast at 25 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of central Montgomery and west central Warren Counties, including the following locations... High Hill. This includes Interstate 70 in Missouri between exits 175 and 183. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3879 9147 3901 9154 3911 9145 3885 9126 TIME...MOT...LOC 2349Z 234DEG 23KT 3892 9137 HAIL...0.75IN WIND...60MPH $$ Glass
387
WWUS53 KLSX 282356
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
656 PM CDT Mon Jun 28 2021
MOC139-219-290005-
/O.EXP.KLSX.SV.W.0111.000000T0000Z-210629T0000Z/
Montgomery MO-Warren MO-
656 PM CDT Mon Jun 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONTGOMERY AND WEST
CENTRAL WARREN COUNTIES WILL EXPIRE AT 700 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
St Louis.
LAT...LON 3879 9147 3901 9154 3911 9145 3885 9126
TIME...MOT...LOC 2355Z 234DEG 23KT 3894 9134
$$
GlassThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 3:42 AM CDT | Areal Flood Advisory | LSX | Callaway, Cole, Osage | 3 hr |
| Jun 28, 3:54 AM CDT | Flash Flood Watch | LSX | Audrain, Boone, Callaway, Cole, Knox, Lewis and 6 more | 39 hr |
| Jun 28, 2:05 PM CDT | Areal Flood Advisory | LSX | Saint Louis | 3 hr |
| Jun 28, 4:37 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 53 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.