Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 60, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 20, 2021, 7:44 PM CDT for Franklin County, Osage County, Kansas. It was in force for 31 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 20, 2021, 7:44 PM CDT (00:44 UTC)
- Expired
- Jun 20, 2021, 8:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Franklin County, KS, Osage County, KS
The radar
The Topeka radar (KTWX), 73 km from the middle of the area, began a volume at 00:45 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, 0.7 hours before the alert went out and 51 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.
072
WUUS53 KTOP 210044
SVRTOP
KSC059-139-210115-
/O.NEW.KTOP.SV.W.0060.210621T0044Z-210621T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
744 PM CDT Sun Jun 20 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
West central Franklin County in east central Kansas...
Southeastern Osage County in east central Kansas...
* Until 815 PM CDT.
* At 744 PM CDT, a severe thunderstorm was located near Lyndon,
moving east at 25 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...
Lyndon, Pomona, Quenemo and Melvern.
This includes Interstate 35 between mile markers 163 and 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3853 9576 3867 9569 3863 9542 3843 9549
3846 9564
TIME...MOT...LOC 0044Z 284DEG 19KT 3859 9565
HAIL...1.00IN
WIND...60MPH
$$
Teefey2 follow-up statements
885
WWUS53 KTOP 210055
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
755 PM CDT Sun Jun 20 2021
KSC059-139-210115-
/O.CON.KTOP.SV.W.0060.000000T0000Z-210621T0115Z/
Franklin-Osage-
755 PM CDT Sun Jun 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WEST CENTRAL FRANKLIN AND SOUTHEASTERN OSAGE COUNTIES...
At 755 PM CDT, a severe thunderstorm was located near Quenemo, moving
east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Lyndon, Pomona, Quenemo and Melvern.
This includes Interstate 35 between mile markers 163 and 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3852 9572 3866 9565 3863 9542 3843 9549
3846 9564
TIME...MOT...LOC 0055Z 284DEG 19KT 3858 9557
HAIL...1.00IN
WIND...60MPH
$$
Teefey808
WWUS53 KTOP 210103
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
803 PM CDT Sun Jun 20 2021
KSC059-139-210115-
/O.CON.KTOP.SV.W.0060.000000T0000Z-210621T0115Z/
Franklin-Osage-
803 PM CDT Sun Jun 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR WEST CENTRAL FRANKLIN AND SOUTHEASTERN OSAGE COUNTIES...
At 803 PM CDT, a severe thunderstorm was located over Quenemo, moving
east at 20 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...
Pomona, Quenemo and Melvern.
This includes Interstate 35 between mile markers 164 and 170.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3851 9564 3861 9559 3863 9542 3843 9549
3845 9559
TIME...MOT...LOC 0103Z 284DEG 19KT 3857 9551
HAIL...1.00IN
WIND...60MPH
$$
TeefeyThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:15 PM CDT | Special Weather Statement | TOP | Osage | 15 min |
| Jun 20, 7:19 PM CDT | Severe Thunderstorm Warning | TOP | Osage | 26 min |
| Jun 20, 7:34 PM CDT | Special Weather Statement | TOP | Coffey | 26 min |
| Jun 20, 7:49 PM CDT | Special Weather Statement | TOP | Coffey | 26 min |
| Jun 20, 8:02 PM CDT | Severe Thunderstorm Warning | TOP | Coffey | 28 min |
| Jun 20, 8:07 PM CDT | Severe Thunderstorm Warning | TOP | Franklin, Osage | 23 min |
| Jun 20, 8:26 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 34 min |
| Jun 20, 9:00 PM CDT | Special Weather Statement | TOP | Anderson | 15 min |
| Jun 20, 9:11 PM CDT | Special Weather Statement | TOP | Anderson | 34 min |
| Jun 20, 9:22 PM CDT | Severe Thunderstorm Warning | TOP | Anderson, Franklin | 23 min |
| Jun 20, 9:34 PM CDT | Special Weather Statement | TOP | Franklin | 26 min |
| Jun 20, 11:19 PM CDT | Special Weather Statement | TOP | Anderson | 26 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.