Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 7, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Mar 16, 2021, 11:35 PM CDT for Lyon County, Wabaunsee County, Kansas. It was in force for 25 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 16, 2021, 11:35 PM CDT (04:35 UTC)
- Expired
- Mar 17, 2021, 12:00 AM CDT
- In force
- 25 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Lyon County, KS, Wabaunsee County, KS
The radar
The Topeka radar (KTWX), 43 km from the middle of the area, began a volume at 04:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 16, 11:35 PM CDT | HAIL 1 | Americus, KS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 4.6 hours before the alert went out and 64 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
- 964 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 295 m²/s²
- 0-3 km storm-relative helicity
- 405 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
076
WUUS53 KTOP 170435
SVRTOP
KSC111-197-170500-
/O.NEW.KTOP.SV.W.0007.210317T0435Z-210317T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
1135 PM CDT Tue Mar 16 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Southeastern Wabaunsee County in east central Kansas...
Northern Lyon County in east central Kansas...
* Until midnight CDT.
* At 1135 PM CDT, a severe thunderstorm was located near Americus,
moving northeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Americus, Allen, Admire and Bushong.
This includes Kansas Turnpike between mile markers 130 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3851 9635 3852 9635 3883 9623 3876 9595
3871 9595 3842 9614
TIME...MOT...LOC 0435Z 208DEG 29KT 3854 9622
HAIL...1.00IN
WIND...<50MPH
$$
Teefey1 follow-up statement
129
WWUS53 KTOP 170446
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
1146 PM CDT Tue Mar 16 2021
KSC111-197-170500-
/O.CON.KTOP.SV.W.0007.000000T0000Z-210317T0500Z/
Wabaunsee-Lyon-
1146 PM CDT Tue Mar 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHEASTERN WABAUNSEE AND NORTHEASTERN LYON COUNTIES...
At 1146 PM CDT, a severe thunderstorm was located near Allen, moving
northeast at 35 mph.
HAZARD...Quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Allen and Admire.
This includes Kansas Turnpike between mile markers 146 and 154.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3859 9626 3882 9619 3876 9595 3871 9595
3855 9614
TIME...MOT...LOC 0446Z 208DEG 30KT 3863 9616
HAIL...1.00IN
WIND...<50MPH
$$
TeefeyThe office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 11:33 PM CDT | Special Weather Statement | TOP | Lyon | 27 min |
| Mar 16, 11:57 PM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Wabaunsee | 33 min |
| Mar 17, 12:03 AM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 42 min |
| Mar 17, 12:18 AM CDT | Severe Thunderstorm Warning | TOP | Shawnee, Wabaunsee | 28 min |
| Mar 17, 12:31 AM CDT | Severe Thunderstorm Warning | TOP | Douglas, Osage, Shawnee | 18 min |
| Mar 17, 12:53 AM CDT | Special Weather Statement | TOP | Douglas | 37 min |
| Mar 17, 2:09 AM CDT | Special Weather Statement | TOP | Wabaunsee | 36 min |
| Mar 17, 2:28 AM CDT | Special Weather Statement | TOP | Shawnee | 32 min |
| Mar 17, 3:01 AM CDT | Special Weather Statement | TOP | Jefferson | 14 min |
| Mar 17, 3:15 AM CDT | Special Weather Statement | TOP | Coffey | 30 min |
| Mar 17, 7:14 AM CDT | Areal Flood Advisory | TOP | Anderson, Coffey, Franklin, Osage | 2 hr |
| Mar 17, 7:40 AM CDT | Special Weather Statement | TOP | Douglas, Franklin, Jackson, Jefferson, Shawnee | 35 min |
| Mar 17, 9:15 AM CDT | River Flood Warning | TOP | Lyon, Osage | 44 hr |
| Mar 17, 9:16 AM CDT | River Flood Warning | TOP | Anderson | 35 hr |
| Mar 17, 9:27 AM CDT | River Flood Warning | TOP | Franklin | 24 hr |
| Mar 17, 3:11 PM CDT | Winter Weather Advisory | TOP | Anderson, Coffey, Douglas, Franklin, Jefferson, Lyon and 4 more | 12 hr |
| Mar 17, 4:32 PM CDT | River Flood Warning | TOP | Franklin, Osage | 39 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.