Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 4, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Mar 15, 2021, 3:32 PM CDT for Osage County, Kansas. It was in force for 30 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
- Mar 15, 2021, 3:32 PM CDT (20:32 UTC)
- Expired
- Mar 15, 2021, 4:02 PM CDT
- In force
- 30 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Osage County, KS
The radar
The Topeka radar (KTWX), 66 km from the middle of the area, began a volume at 20:31 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 12:00Z, 8.5 hours before the alert went out and 35 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
014
WUUS53 KTOP 152032
SVRTOP
KSC139-152115-
/O.NEW.KTOP.SV.W.0004.210315T2032Z-210315T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
332 PM CDT Mon Mar 15 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Northeastern Osage County in east central Kansas...
* Until 415 PM CDT.
* At 331 PM CDT, a severe thunderstorm was located near Lyndon,
moving northeast at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Overbrook, Lyndon 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 3868 9551 3858 9571 3863 9579
3882 9563 3874 9550 3870 9550
TIME...MOT...LOC 2031Z 225DEG 17KT 3863 9572
HAIL...<.75IN
WIND...60MPH
$$
Baerg1 follow-up statement
183
WWUS53 KTOP 152102
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
402 PM CDT Mon Mar 15 2021
KSC139-152111-
/O.CAN.KTOP.SV.W.0004.000000T0000Z-210315T2115Z/
Osage-
402 PM CDT Mon Mar 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN OSAGE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has weakened.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 3869 9551 3868 9551 3858 9571 3863 9579
3882 9563 3874 9550 3870 9550
TIME...MOT...LOC 2100Z 225DEG 17KT 3873 9559
$$
BaergThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 4:46 AM CDT | River Flood Warning | TOP | Marshall | 4 days |
| Mar 15, 3:27 PM CDT | Special Weather Statement | TOP | Osage | 48 min |
| Mar 15, 3:35 PM CDT | Special Weather Statement | TOP | Franklin | 40 min |
| Mar 15, 3:40 PM CDT | Tornado Warning | TOP | Osage | 20 min |
| Mar 15, 3:43 PM CDT | Severe Thunderstorm Warning | TOP | Franklin | 32 min |
| Mar 15, 3:54 PM CDT | Severe Thunderstorm Warning | TOP | Franklin | 16 min |
| Mar 15, 4:41 PM CDT | Special Weather Statement | TOP | Shawnee | 34 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.