Alert archive / Missouri / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 45, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 20, 2021, 7:15 PM CDT for 5 counties in Missouri. It was in force for 45 min. 1 report 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 20, 2021, 7:15 PM CDT (00:15 UTC)
- Expired
- Jun 20, 2021, 8:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Grundy County, MO, Harrison County, MO, Mercer County, MO, Putnam County, MO, Sullivan County, MO
The radar
The Des Moines radar (KDMX), 162 km from the middle of the area, began a volume at 00:19 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 20, 7:17 PM CDT | HAIL 1 | Princeton, MO | ALSO ESTIMATED 60MPH WINDS. |
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 20, 4:01 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.3 hours before the alert went out and 251 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
- 2316 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2228 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.8
The text
As transmitted.
112
WUUS53 KEAX 210015
SVREAX
MOC079-081-129-171-211-210100-
/O.NEW.KEAX.SV.W.0045.210621T0015Z-210621T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
715 PM CDT Sun Jun 20 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Northern Grundy County in north central Missouri...
Putnam County in north central Missouri...
Mercer County in north central Missouri...
Sullivan County in north central Missouri...
Southern Harrison County in north central Missouri...
* Until 800 PM CDT.
* At 715 PM CDT, a severe thunderstorm was located near Cainsville,
or 18 miles northeast of Bethany, moving east at 40 mph.
HAZARD...60 mph wind gusts and half dollar 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...
Princeton around 725 PM CDT.
Spickard around 730 PM CDT.
Other locations in the path of this severe thunderstorm include
Milan.
This includes Interstate 35 in Missouri between mile markers 91 and
98.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4019 9286 4009 9326 4027 9416 4058 9358
4058 9287
TIME...MOT...LOC 0015Z 281DEG 33KT 4037 9370
HAIL...1.25IN
WIND...60MPH
$$
Blair1 follow-up statement
246
WWUS53 KEAX 210038
SVSEAX
Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
738 PM CDT Sun Jun 20 2021
MOC079-081-129-171-211-210100-
/O.CON.KEAX.SV.W.0045.000000T0000Z-210621T0100Z/
Grundy MO-Putnam MO-Mercer MO-Sullivan MO-Harrison MO-
738 PM CDT Sun Jun 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHERN GRUNDY...SOUTHWESTERN PUTNAM...MERCER...SULLIVAN AND
SOUTHEASTERN HARRISON COUNTIES...
At 738 PM CDT, a severe thunderstorm was located 9 miles southeast of
Princeton, or 18 miles northwest of Milan, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Milan, Green City and Greencastle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4019 9286 4009 9326 4023 9398 4052 9354
4052 9287
TIME...MOT...LOC 0038Z 281DEG 33KT 4033 9342
HAIL...1.00IN
WIND...60MPH
$$
BlairThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:57 PM CDT | Severe Thunderstorm Warning | EAX | Clay, Clinton, Platte | 33 min |
| Jun 20, 8:01 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Linn, Macon, Sullivan | 44 min |
| Jun 20, 8:39 PM CDT | Severe Thunderstorm Warning | EAX | Adair, Macon | 36 min |
| Jun 20, 8:54 PM CDT | Special Weather Statement | EAX | Livingston | 21 min |
| Jun 20, 9:17 PM CDT | Special Weather Statement | EAX | Jackson | 28 min |
| Jun 20, 9:29 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson | 20 min |
| Jun 20, 10:27 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Howard | 33 min |
| Jun 20, 11:05 PM CDT | Special Weather Statement | EAX | Bates | 25 min |
| Jun 21, 5:19 AM CDT | River Flood Warning | EAX | Howard | 9 hr |
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.