Alert archive / Kansas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at Mar 10, 2021, 7:32 PM CST for Coffey County, Lyon County, Kansas. It was in force for 28 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 10, 2021, 7:32 PM CST (01:32 UTC)
- Expired
- Mar 10, 2021, 8:00 PM CST
- In force
- 28 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Coffey County, KS, Lyon County, KS
The radar
The Topeka radar (KTWX), 97 km from the middle of the area, began a volume at 01:35 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 10, 7:55 PM CST | NON-TSTM WND GST 44 | 3 N New Strawn, KS | AWOS STATION KUKL BURLINGTON. |
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, 1.5 hours before the alert went out and 95 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
- 37 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 2945 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
746
WUUS53 KTOP 110132
SVRTOP
KSC031-111-110200-
/O.NEW.KTOP.SV.W.0002.210311T0132Z-210311T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
732 PM CST Wed Mar 10 2021
The National Weather Service in Topeka has issued a
* Severe Thunderstorm Warning for...
Central Coffey County in east central Kansas...
Southeastern Lyon County in east central Kansas...
* Until 800 PM CST.
* At 732 PM CST, a severe thunderstorm was located 6 miles northwest
of Gridley, moving northeast at 50 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...
Burlington, New Strawn, Gridley and John Redmond Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3817 9596 3817 9611 3841 9571 3818 9552
3804 9590 3804 9596
TIME...MOT...LOC 0132Z 239DEG 42KT 3814 9598
HAIL...1.00IN
WIND...60MPH
$$
Gargan1 follow-up statement
151
WWUS53 KTOP 110153
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
753 PM CST Wed Mar 10 2021
KSC111-110203-
/O.CAN.KTOP.SV.W.0002.000000T0000Z-210311T0200Z/
Lyon-
753 PM CST Wed Mar 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LYON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3824 9596 3839 9570 3818 9552 3804 9590
3804 9596
TIME...MOT...LOC 0153Z 239DEG 42KT 3827 9571
$$
KSC031-110200-
/O.CON.KTOP.SV.W.0002.000000T0000Z-210311T0200Z/
Coffey-
753 PM CST Wed Mar 10 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CST
FOR CENTRAL COFFEY COUNTY...
At 753 PM CST, a severe thunderstorm was located over New Strawn,
moving northeast at 50 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...
Burlington, New Strawn, Gridley and John Redmond Reservoir.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3824 9596 3839 9570 3818 9552 3804 9590
3804 9596
TIME...MOT...LOC 0153Z 239DEG 42KT 3827 9571
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 |
|---|---|---|---|---|
| Mar 10, 6:19 PM CST | Special Weather Statement | TOP | Franklin | 26 min |
| Mar 10, 6:33 PM CST | Special Weather Statement | TOP | Osage | 27 min |
| Mar 10, 6:51 PM CST | Special Weather Statement | TOP | Lyon | 24 min |
| Mar 10, 6:59 PM CST | Severe Thunderstorm Warning | TOP | Coffey, Franklin, Lyon, Osage | 46 min |
| Mar 10, 7:24 PM CST | Special Weather Statement | TOP | Douglas | 36 min |
| Mar 10, 7:43 PM CST | Special Weather Statement | TOP | Franklin | 32 min |
| Mar 10, 7:59 PM CST | Severe Thunderstorm Warning | TOP | Anderson, Coffey | 46 min |
| Mar 10, 8:46 PM CST | Special Weather Statement | TOP | Anderson | 29 min |
| Mar 11, 3:58 AM CST | Flood Watch | TOP | Anderson, Coffey, Franklin, Lyon, Osage | 3 days |
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.