Alert archive / Kansas / Tornado Warnings in 2021
Tornado Warning 2, NWS Topeka, KS
NWS Topeka, KS issued this tornado warning at Mar 15, 2021, 3:40 PM CDT for Osage County, Kansas. It was in force for 20 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, 3:40 PM CDT (20:40 UTC)
- Expired
- Mar 15, 2021, 4:00 PM CDT
- In force
- 20 min
- Issued by
- NWS Topeka, KS
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Osage County, KS
The radar
The Topeka radar (KTWX), 62 km from the middle of the area, began a volume at 20:44 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, 8.7 hours before the alert went out and 37 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.
919
WFUS53 KTOP 152040
TORTOP
KSC139-152100-
/O.NEW.KTOP.TO.W.0002.210315T2040Z-210315T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
340 PM CDT Mon Mar 15 2021
The National Weather Service in Topeka has issued a
* Tornado Warning for...
East central Osage County in east central Kansas...
* Until 400 PM CDT.
* At 339 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Lyndon, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* This dangerous storm will be near...
Pomona Lake around 350 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3862 9568 3865 9574 3875 9566 3868 9552
TIME...MOT...LOC 2039Z 228DEG 19KT 3866 9567
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Baerg2 follow-up statements
714
WWUS53 KTOP 152046
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
346 PM CDT Mon Mar 15 2021
KSC139-152100-
/O.CON.KTOP.TO.W.0002.000000T0000Z-210315T2100Z/
Osage-
346 PM CDT Mon Mar 15 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR EAST
CENTRAL OSAGE COUNTY...
At 346 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Pomona Lake, moving northeast at 20 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
This dangerous storm will be near...
Pomona Lake around 355 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3862 9568 3865 9571 3874 9563 3868 9552
TIME...MOT...LOC 2046Z 234DEG 16KT 3867 9564
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
Baerg640
WWUS53 KTOP 152055
SVSTOP
Severe Weather Statement
National Weather Service Topeka KS
355 PM CDT Mon Mar 15 2021
KSC139-152104-
/O.EXP.KTOP.TO.W.0002.000000T0000Z-210315T2100Z/
Osage-
355 PM CDT Mon Mar 15 2021
...THE TORNADO WARNING FOR EAST CENTRAL OSAGE COUNTY WILL EXPIRE AT
400 PM CDT...
The tornadic thunderstorm which prompted the warning has weakened.
Therefore, the warning will be allowed to expire.
LAT...LON 3862 9568 3865 9571 3874 9563 3868 9552
TIME...MOT...LOC 2054Z 228DEG 19KT 3870 9560
$$
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, 3:32 PM CDT | Severe Thunderstorm Warning | TOP | Osage | 30 min |
| Mar 15, 3:35 PM CDT | Special Weather Statement | TOP | Franklin | 40 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
Tornado Warnings in Kansas, 2021Every tornado warning in 2021Tornadoes 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.