Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 59, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Jun 20, 2021, 7:19 PM CDT for Osage County, Kansas. It was in force for 26 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, 7:19 PM CDT (00:19 UTC)
- Expired
- Jun 20, 2021, 7:45 PM CDT
- In force
- 26 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Osage County, KS
The radar
The Topeka radar (KTWX), 67 km from the middle of the area, began a volume at 00:19 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 nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.3 hours before the alert went out and 39 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.
204
WUUS53 KTOP 210019
SVRTOP
KSC139-210045-
/O.NEW.KTOP.SV.W.0059.210621T0019Z-210621T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
719 PM CDT Sun Jun 20 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Southeastern Osage County in east central Kansas...
* Until 745 PM CDT.
* At 719 PM CDT, a severe thunderstorm was located near Lyndon,
moving east 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.
* Locations impacted include...
Osage City, Lyndon, Quenemo and Pomona Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3869 9551 3849 9551 3856 9584 3870 9582
3871 9550 3870 9550
TIME...MOT...LOC 0019Z 274DEG 25KT 3861 9575
HAIL...1.00IN
WIND...60MPH
$$
Teefey2 follow-up statements
705
WWUS53 KTOP 210023
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
723 PM CDT Sun Jun 20 2021
KSC139-210045-
/O.CON.KTOP.SV.W.0059.000000T0000Z-210621T0045Z/
Osage-
723 PM CDT Sun Jun 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN OSAGE COUNTY...
At 723 PM CDT, a severe thunderstorm was located over Lyndon, moving
east at 30 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Osage City, Lyndon, Quenemo and Pomona Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3869 9551 3849 9551 3856 9584 3870 9582
3871 9550 3870 9550
TIME...MOT...LOC 0023Z 274DEG 25KT 3861 9571
HAIL...1.75IN
WIND...60MPH
$$
Teefey214
WWUS53 KTOP 210035
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
735 PM CDT Sun Jun 20 2021
KSC139-210045-
/O.CON.KTOP.SV.W.0059.000000T0000Z-210621T0045Z/
Osage-
735 PM CDT Sun Jun 20 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN OSAGE COUNTY...
At 735 PM CDT, a severe thunderstorm was located 4 miles south of
Pomona Lake, moving east 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.
Locations impacted include...
Osage City, Lyndon, Quenemo and Pomona Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3869 9551 3849 9551 3856 9584 3870 9582
3871 9550 3870 9550
TIME...MOT...LOC 0035Z 274DEG 25KT 3860 9560
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, 7:34 PM CDT | Special Weather Statement | TOP | Coffey | 26 min |
| Jun 20, 7:44 PM CDT | Severe Thunderstorm Warning | TOP | Franklin, Osage | 31 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.