Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 66, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 24, 2021, 6:42 AM CDT for Douglas County, Franklin County, Kansas. It was in force for 18 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 24, 2021, 6:42 AM CDT (11:42 UTC)
- Expired
- Jun 24, 2021, 7:00 AM CDT
- In force
- 18 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Douglas County, KS, Franklin County, KS
The radar
The Pleasant Hill radar (KEAX), 79 km from the middle of the area, began a volume at 11:41 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 nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 11.7 hours before the alert went out and 42 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
- 1636 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 1571 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 391 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
004
WUUS53 KTOP 241142
SVRTOP
KSC045-059-241200-
/O.NEW.KTOP.SV.W.0066.210624T1142Z-210624T1200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
642 AM CDT Thu Jun 24 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Northeastern Franklin County in east central Kansas...
Southeastern Douglas County in east central Kansas...
* Until 700 AM CDT.
* At 641 AM CDT, severe thunderstorms were located along a line
extending from 3 miles east of Lawrence to near Vinland to 4 miles
east of Centropolis, 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...
Southern Lawrence, Baldwin City, Eudora, Wellsville and Vinland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3871 9533 3883 9526 3897 9526 3898 9519
3897 9519 3896 9518 3898 9516 3897 9513
3897 9511 3895 9509 3896 9508 3898 9508
3899 9506 3872 9506
TIME...MOT...LOC 1141Z 253DEG 35KT 3895 9521 3885 9520 3873 9528
HAIL...1.00IN
WIND...60MPH
$$
Teefey2 follow-up statements
726
WWUS53 KTOP 241150
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
650 AM CDT Thu Jun 24 2021
KSC059-241159-
/O.CAN.KTOP.SV.W.0066.000000T0000Z-210624T1200Z/
Franklin-
650 AM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FRANKLIN COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 3876 9526 3897 9526 3898 9519 3897 9519
3896 9518 3898 9516 3897 9513 3897 9511
3895 9509 3896 9508 3898 9508 3899 9506
3876 9506
TIME...MOT...LOC 1149Z 252DEG 35KT 3897 9514 3887 9513 3875 9521
$$
KSC045-241200-
/O.CON.KTOP.SV.W.0066.000000T0000Z-210624T1200Z/
Douglas-
650 AM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CDT
FOR SOUTHEASTERN DOUGLAS COUNTY...
At 649 AM CDT, severe thunderstorms were located along a line
extending from near Eudora to 3 miles northeast of Vinland to near
Baldwin City, 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...
Southern Lawrence, Baldwin City, Eudora and Vinland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3876 9526 3897 9526 3898 9519 3897 9519
3896 9518 3898 9516 3897 9513 3897 9511
3895 9509 3896 9508 3898 9508 3899 9506
3876 9506
TIME...MOT...LOC 1149Z 252DEG 35KT 3897 9514 3887 9513 3875 9521
HAIL...1.00IN
WIND...60MPH
$$
Teefey635
WWUS53 KTOP 241158
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
658 AM CDT Thu Jun 24 2021
KSC045-241208-
/O.EXP.KTOP.SV.W.0066.000000T0000Z-210624T1200Z/
Douglas-
658 AM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DOUGLAS COUNTY
WILL EXPIRE AT 700 AM CDT...
The storms which prompted the warning have weakened. Therefore, the
warning will be allowed to expire.
LAT...LON 3876 9526 3897 9526 3898 9519 3897 9519
3896 9518 3898 9516 3897 9513 3897 9511
3895 9509 3896 9508 3898 9508 3899 9506
3876 9506
TIME...MOT...LOC 1158Z 253DEG 35KT 3899 9504 3889 9503 3877 9511
$$
TeefeyThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 4:43 AM CDT | Special Weather Statement | TOP | Brown | 32 min |
| Jun 24, 5:48 AM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson, Shawnee | 27 min |
| Jun 24, 1:46 PM CDT | Flash Flood Watch | TOP | Anderson, Brown, Coffey, Douglas, Franklin, Jackson and 9 more | 58 hr |
| Jun 24, 5:34 PM CDT | Severe Thunderstorm Warning | TOP | Marshall | 26 min |
| Jun 24, 5:45 PM CDT | Tornado Warning | TOP | Marshall | 30 min |
| Jun 24, 6:01 PM CDT | Severe Thunderstorm Warning | TOP | Marshall, Nemaha | 44 min |
| Jun 24, 6:07 PM CDT | Tornado Warning | TOP | Marshall | 23 min |
| Jun 24, 6:16 PM CDT | Tornado Warning | TOP | Marshall, Nemaha | 29 min |
| Jun 24, 6:26 PM CDT | Tornado Warning | TOP | Marshall, Nemaha | 34 min |
| Jun 24, 6:36 PM CDT | Severe Thunderstorm Warning | TOP | Brown, Nemaha | 24 min |
| Jun 24, 6:46 PM CDT | Severe Thunderstorm Warning | TOP | Pottawatomie, Riley | 29 min |
| Jun 24, 6:58 PM CDT | Areal Flood Advisory | TOP | Brown, Nemaha | 61 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.