Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 32, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 11, 2021, 4:42 PM CDT for 5 counties in Missouri. It was in force for 33 min. 2 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 11, 2021, 4:42 PM CDT (21:42 UTC)
- Expired
- Jun 11, 2021, 5:15 PM CDT
- In force
- 33 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 70.0 mph
Counties Bates County, MO, Cass County, MO, Henry County, MO, Johnson County, MO, Pettis County, MO
The radar
The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 21:42 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 11, 5:08 PM CDT | TSTM WND GST 65 | Green Ridge, MO | DELAYED REPORT. ESTIMATED 60 TO 65 MPH WIND IN GREEN RIDGE. |
| Jun 11, 5:09 PM CDT | TSTM WND GST 60 | 3 W Warrensburg, MO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 11, 12:32 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 11, 3:54 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 9.7 hours before the alert went out and 176 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
- 2202 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 774 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
262
WUUS53 KEAX 112142
SVREAX
MOC013-037-083-101-159-112215-
/O.NEW.KEAX.SV.W.0032.210611T2142Z-210611T2215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
442 PM CDT Fri Jun 11 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Southeastern Cass County in west central Missouri...
Henry County in west central Missouri...
Northeastern Bates County in west central Missouri...
Southern Pettis County in central Missouri...
Johnson County in west central Missouri...
* Until 515 PM CDT.
* At 440 PM CDT, severe thunderstorms were located along a line
extending from near Concordia to near Holden to near Harrisonville,
moving southeast at 35 mph.
HAZARD...70 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Warrensburg and Chilhowee around 455 PM CDT.
Other locations in the path of these severe thunderstorms include
Leeton, Creighton, Windsor and Urich.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Truman Reservoir, get away from the water and move
indoors or inside a vehicle. Remember, lightning can strike out to
15 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
LAT...LON 3859 9449 3867 9402 3894 9368 3893 9361
3862 9306 3853 9307 3854 9328 3851 9330
3851 9352 3821 9352 3822 9356 3821 9357
3820 9356 3821 9405 3819 9406
TIME...MOT...LOC 2140Z 299DEG 30KT 3903 9360 3876 9394 3861 9436
HAIL...0.88IN
WIND...70MPH
$$
PP1 follow-up statement
498
WWUS53 KEAX 112204
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
504 PM CDT Fri Jun 11 2021
MOC013-037-112213-
/O.CAN.KEAX.SV.W.0032.000000T0000Z-210611T2215Z/
Cass MO-Bates MO-
504 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CASS AND
NORTHEASTERN BATES COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
west central Missouri. A Severe Thunderstorm Watch also remains in
effect until 1000 PM CDT for central Missouri.
LAT...LON 3867 9402 3894 9368 3893 9361 3862 9306
3853 9307 3854 9328 3851 9330 3851 9352
3821 9352 3822 9356 3820 9356 3849 9386
TIME...MOT...LOC 2203Z 299DEG 30KT 3894 9339 3867 9373 3852 9415
$$
MOC083-101-159-112215-
/O.CON.KEAX.SV.W.0032.000000T0000Z-210611T2215Z/
Henry MO-Pettis MO-Johnson MO-
504 PM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR EASTERN HENRY...SOUTHERN PETTIS AND JOHNSON COUNTIES...
At 503 PM CDT, severe thunderstorms and strong thunderstorm outflow
were located along a line extending from near Sweet Springs to 6
miles south of Warrensburg to near Garden City, moving southeast at
35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Leeton, Windsor and Green Ridge.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If on or near Truman Reservoir, get away from the water and move
indoors or inside a vehicle. remember, lightning can strike out to
15 miles from the parent thunderstorm. If you can hear thunder, you
are close enough to be struck by lightning. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
LAT...LON 3867 9402 3894 9368 3893 9361 3862 9306
3853 9307 3854 9328 3851 9330 3851 9352
3821 9352 3822 9356 3820 9356 3849 9386
TIME...MOT...LOC 2203Z 299DEG 30KT 3894 9339 3867 9373 3852 9415
HAIL...<.75IN
WIND...60MPH
$$
PPThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 12:04 PM CDT | Special Weather Statement | EAX | Atchison | 41 min |
| Jun 11, 12:10 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Holt | 21 min |
| Jun 11, 1:16 PM CDT | Severe Thunderstorm Warning | EAX | Holt | 29 min |
| Jun 11, 1:41 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Holt | 34 min |
| Jun 11, 2:12 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, DeKalb, Holt, Platte | 63 min |
| Jun 11, 2:44 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Clay, Clinton, DeKalb, Platte | 46 min |
| Jun 11, 2:49 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Lafayette, Ray | 41 min |
| Jun 11, 2:52 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Jackson, Platte | 68 min |
| Jun 11, 3:26 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Clay, Clinton, Jackson, Ray | 34 min |
| Jun 11, 3:28 PM CDT | Special Weather Statement | EAX | Lafayette | 47 min |
| Jun 11, 3:37 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Clay, Jackson, Lafayette, Ray | 38 min |
| Jun 11, 3:57 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Jackson, Ray | 14 min |
| Jun 11, 3:59 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Clay, Jackson | 31 min |
| Jun 11, 4:02 PM CDT | Areal Flood Advisory | EAX | Platte | 4 hr |
| Jun 11, 4:07 PM CDT | Special Weather Statement | EAX | Pettis | 38 min |
| Jun 11, 4:14 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Clay, Jackson, Johnson, Lafayette, Ray | 46 min |
| Jun 11, 4:25 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Lafayette, Pettis, Saline | 35 min |
| Jun 11, 5:08 PM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson, Lafayette, Pettis, Saline | 37 min |
| Jun 11, 5:58 PM CDT | River Flood Warning | EAX | Jackson | 81 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.