Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 20, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 11, 2021, 1:16 PM CDT for Atchison County, Doniphan County, Kansas; Holt County, Missouri. It was in force for 29 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 11, 2021, 1:16 PM CDT (18:16 UTC)
- Expired
- Jun 11, 2021, 1:45 PM CDT
- In force
- 29 min
- Issued by
- NWS Kansas City, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Atchison County, KS, Doniphan County, KS, Holt County, MO
The radar
The Topeka radar (KTWX), 133 km from the middle of the area, began a volume at 18:19 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.
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, 8:30 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 6.3 hours before the alert went out and 109 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
- 2135 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.2
The text
As transmitted.
605
WUUS53 KEAX 111816
SVREAX
KSC005-043-MOC087-111845-
/O.NEW.KEAX.SV.W.0020.210611T1816Z-210611T1845Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
116 PM CDT Fri Jun 11 2021
The National Weather Service in Pleasant Hill has issued a
* Severe Thunderstorm Warning for...
Doniphan County in northeastern Kansas...
Atchison County in northeastern Kansas...
Holt County in northwestern Missouri...
* Until 145 PM CDT.
* At 115 PM CDT, severe thunderstorms were located along a line
extending from near Mound City to near Willis to near Holton,
moving southeast at 30 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.
* Severe thunderstorms will be near...
Oregon, Forest City and Denton around 135 PM CDT.
Other locations in the path of these severe thunderstorms include
Effingham and Lancaster.
This includes Interstate 29 between mile markers 67 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3965 9557 3965 9534 4000 9534 4000 9531
4003 9535 4003 9540 4006 9542 4007 9539
4012 9539 4013 9542 4026 9535 4026 9508
4015 9506 4011 9504 4007 9506 4005 9501
3996 9499 3976 9503 3942 9528 3942 9557
TIME...MOT...LOC 1815Z 314DEG 26KT 4009 9529 3975 9549 3950 9575
HAIL...1.00IN
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, 1:41 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Doniphan | 34 min |
| Jun 11, 2:12 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Doniphan, Leavenworth | 63 min |
| Jun 11, 2:52 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 68 min |
| Jun 11, 3:59 PM CDT | Severe Thunderstorm Warning | EAX | Johnson, Miami, Wyandotte | 31 min |
| Jun 11, 4:02 PM CDT | Areal Flood Advisory | EAX | Leavenworth, Wyandotte | 4 hr |
| Jun 11, 4:57 PM CDT | Severe Thunderstorm Warning | EAX | Linn, Miami | 48 min |
| Jun 11, 5:42 PM CDT | Severe Thunderstorm Warning | EAX | Linn | 33 min |
| Jun 11, 5:58 PM CDT | River Flood Warning | EAX | Johnson | 81 min |
| 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, 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, 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, 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, 4:42 PM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass, Henry, Johnson, Pettis | 33 min |
| Jun 11, 5:08 PM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson, Lafayette, Pettis, Saline | 37 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 2021Severe 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.