Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 50, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 11, 2021, 2:40 PM CDT for Douglas County, Jefferson County, Shawnee County, Kansas. It was in force for 50 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, 2:40 PM CDT (19:40 UTC)
- Expired
- Jun 11, 2021, 3:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Douglas County, KS, Jefferson County, KS, Shawnee County, KS
The radar
The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 19:42 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, 2:41 PM CDT | TSTM WND DMG | 2 E Tecumseh, KS | REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN. |
| Jun 11, 3:19 PM CDT | TSTM WND DMG | 4 Wnw Lawrence, KS | TREE DOWN. |
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 |
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 7.7 hours before the alert went out and 36 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.
138
WUUS53 KTOP 111940
SVRTOP
KSC045-087-177-112030-
/O.NEW.KTOP.SV.W.0050.210611T1940Z-210611T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
240 PM CDT Fri Jun 11 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Southeastern Jefferson County in northeastern Kansas...
Southeastern Shawnee County in east central Kansas...
Douglas County in east central Kansas...
* Until 330 PM CDT.
* At 240 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southwest of Easton to near Berryton, moving
southeast at 30 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
McLouth around 250 PM CDT.
Richland around 300 PM CDT.
Other locations in the path of these severe thunderstorms include
Clinton, Clinton Lake, Lone Star and Globe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3876 9506 3876 9546 3882 9550 3887 9550
3887 9553 3901 9563 3937 9518 3897 9519
3896 9517 3898 9516 3897 9513 3897 9511
3895 9509 3896 9508 3898 9508 3899 9506
TIME...MOT...LOC 1940Z 318DEG 21KT 3928 9517 3897 9562
HAIL...0.75IN
WIND...70MPH
$$
Omitt2 follow-up statements
166
WWUS53 KTOP 112011
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
311 PM CDT Fri Jun 11 2021
KSC177-112020-
/O.CAN.KTOP.SV.W.0050.000000T0000Z-210611T2030Z/
Shawnee-
311 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHAWNEE COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
northeastern and east central Kansas.
LAT...LON 3876 9506 3876 9546 3882 9550 3895 9550
3916 9519 3897 9519 3896 9517 3898 9516
3897 9513 3897 9511 3895 9509 3896 9508
3898 9508 3899 9506
TIME...MOT...LOC 2010Z 318DEG 21KT 3915 9503 3885 9548
$$
KSC045-087-112030-
/O.CON.KTOP.SV.W.0050.000000T0000Z-210611T2030Z/
Jefferson-Douglas-
311 PM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHEASTERN JEFFERSON AND DOUGLAS COUNTIES...
At 310 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northeast of Tonganoxie to 4 miles southeast
of Richland, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Lone Star and Globe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3876 9506 3876 9546 3882 9550 3895 9550
3916 9519 3897 9519 3896 9517 3898 9516
3897 9513 3897 9511 3895 9509 3896 9508
3898 9508 3899 9506
TIME...MOT...LOC 2010Z 318DEG 21KT 3915 9503 3885 9548
HAIL...<.75IN
WIND...60MPH
$$
Jones309
WWUS53 KTOP 112022
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
322 PM CDT Fri Jun 11 2021
KSC045-087-112032-
/O.EXP.KTOP.SV.W.0050.000000T0000Z-210611T2030Z/
Jefferson-Douglas-
322 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON AND
DOUGLAS COUNTIES WILL EXPIRE AT 330 PM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
northeastern and east central Kansas.
LAT...LON 3876 9506 3876 9546 3882 9550 3895 9550
3916 9519 3897 9519 3896 9517 3898 9516
3897 9513 3897 9511 3895 9509 3896 9508
3898 9508 3899 9506
TIME...MOT...LOC 2022Z 318DEG 21KT 3910 9497 3880 9542
$$
JonesThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 12:10 PM CDT | Special Weather Statement | TOP | Nemaha | 35 min |
| Jun 11, 12:19 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Marshall, Nemaha | 41 min |
| Jun 11, 12:56 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Jackson, Nemaha | 49 min |
| Jun 11, 1:28 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 47 min |
| Jun 11, 2:03 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson, Shawnee | 42 min |
| Jun 11, 2:10 PM CDT | Severe Thunderstorm Warning | TOP | Jefferson | 35 min |
| Jun 11, 2:21 PM CDT | Special Weather Statement | TOP | Shawnee, Wabaunsee | 24 min |
| Jun 11, 2:25 PM CDT | Severe Thunderstorm Warning | TOP | Jackson | 19 min |
| Jun 11, 3:08 PM CDT | Areal Flood Advisory | TOP | Douglas | 3 hr |
| Jun 11, 3:20 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 25 min |
| Jun 11, 3:35 PM CDT | Severe Thunderstorm Warning | TOP | Jackson | 25 min |
| Jun 11, 4:05 PM CDT | Severe Thunderstorm Warning | TOP | Coffey, Douglas, Franklin, Osage | 40 min |
| Jun 11, 4:45 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 30 min |
| Jun 11, 5:15 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 30 min |
| Jun 11, 5:32 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey | 28 min |
| Jun 11, 6:01 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Coffey | 29 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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.