Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 52, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 11, 2021, 3:35 PM CDT for Jackson County, Kansas. It was in force for 25 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, 3:35 PM CDT (20:35 UTC)
- Expired
- Jun 11, 2021, 4:00 PM CDT
- In force
- 25 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Jackson County, KS
The radar
The Topeka radar (KTWX), 64 km from the middle of the area, began a volume at 20:38 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, 8.6 hours before the alert went out and 45 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.
454
WUUS53 KTOP 112035
SVRTOP
KSC085-112100-
/O.NEW.KTOP.SV.W.0052.210611T2035Z-210611T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
335 PM CDT Fri Jun 11 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Central Jackson County in northeastern Kansas...
* Until 400 PM CDT.
* At 334 PM CDT, a severe thunderstorm was located 4 miles northwest
of Potawatomi Reservation, 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.
* This severe thunderstorm will be near...
Holton and Mayetta around 350 PM CDT.
Other locations in the path of this severe thunderstorm include
Denison.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3942 9559 3929 9559 3932 9600 3942 9602
3952 9557 3942 9557
TIME...MOT...LOC 2034Z 261DEG 36KT 3938 9591
HAIL...1.00IN
WIND...60MPH
$$
CP2 follow-up statements
297
WWUS53 KTOP 112052
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
352 PM CDT Fri Jun 11 2021
KSC085-112100-
/O.CON.KTOP.SV.W.0052.000000T0000Z-210611T2100Z/
Jackson-
352 PM CDT Fri Jun 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT
FOR SOUTHEASTERN JACKSON COUNTY...
At 352 PM CDT, a severe thunderstorm was located near Mayetta, moving
east at 40 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of
southeastern Jackson County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3942 9559 3929 9559 3931 9586 3940 9585
3946 9557 3942 9557
TIME...MOT...LOC 2052Z 267DEG 35KT 3936 9569
HAIL...0.88IN
WIND...60MPH
$$
CP839
WWUS53 KTOP 112056
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
356 PM CDT Fri Jun 11 2021
KSC085-112105-
/O.EXP.KTOP.SV.W.0052.000000T0000Z-210611T2100Z/
Jackson-
356 PM CDT Fri Jun 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JACKSON COUNTY
WILL EXPIRE AT 400 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 are still possible with this thunderstorm.
LAT...LON 3942 9559 3929 9559 3931 9586 3940 9585
3946 9557 3942 9557
TIME...MOT...LOC 2055Z 261DEG 36KT 3936 9567
$$
CPThe 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, 2:40 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson, Shawnee | 50 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.