Alert archive / Kansas / Tornado Warnings in 2021

Tornado Warning 9, NWS Topeka, KS

December 15, 2021Dickinson County, Geary County, Riley County, Kansas

NWS Topeka, KS issued this tornado warning at Dec 15, 2021, 3:29 PM CST for Dickinson County, Geary County, Riley County, Kansas. It was in force for 13 min. 2 reports 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: Dec 15, 2021, 3:29 PM CST (21:29 UTC)
Expired: Dec 15, 2021, 3:42 PM CST
In force: 13 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Dickinson County, KS, Geary County, KS, Riley County, KS

The radar

The Topeka radar (KTWX), 54 km from the middle of the area, began a volume at 21:29 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
Dec 15, 3:47 PM CST	TSTM WND DMG	1 Nw Junction City, KS	METAL SIGNS BENT, SIDING OFF BUILDINGS, DAMAGE TO HANGERS AT JUNCTION CITY AIRPORT.
Dec 15, 3:52 PM CST	TSTM WND GST 76	2 Ne Ogden, KS	ASOS STATION KMHK MANHATTAN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Dec 15, 1:23 PM CST	Tornado Watch	SPC	7 hr
Dec 15, 3:18 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 9.5 hours before the alert went out and 105 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1036 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 466 m²/s²
0-3 km storm-relative helicity: 477 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

786 
WFUS53 KTOP 152129
TORTOP
KSC041-061-161-152200-
/O.NEW.KTOP.TO.W.0009.211215T2129Z-211215T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Topeka KS
329 PM CST Wed Dec 15 2021

The National Weather Service in Topeka has issued a

* Tornado Warning for...
  Northeastern Dickinson County in central Kansas...
  Northwestern Geary County in east central Kansas...
  Southwestern Riley County in northeastern Kansas...

* Until 400 PM CST.
    
* At 328 PM CST, a severe thunderstorm capable of producing a tornado
  was located 4 miles northeast of Chapman, moving northeast at 50
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Junction City around 335 PM CST.
  Grandview Plaza around 340 PM CST.
  Ogden around 350 PM CST.
  Manhattan around 355 PM CST.

This includes Interstate 70 between mile markers 288 and 291, and
between mile markers 301 and 308.
 
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 3898 9700 3905 9705 3924 9665 3909 9655
TIME...MOT...LOC 2128Z 246DEG 42KT 3903 9698 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

1 follow-up statement

685 
WWUS53 KTOP 152142
SVSTOP

Severe Weather Statement
National Weather Service Topeka KS
342 PM CST Wed Dec 15 2021

KSC041-061-161-152151-
/O.CAN.KTOP.TO.W.0009.000000T0000Z-211215T2200Z/
Dickinson-Geary-Riley-
342 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR NORTHEASTERN DICKINSON...NORTHWESTERN
GEARY AND SOUTHWESTERN RILEY COUNTIES IS CANCELLED...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for the area.  However gusty 
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 800 PM CST for northeastern
Kansas.

A Severe Thunderstorm Watch remains in effect until 700 PM CST for
central and east central Kansas.

LAT...LON 3898 9700 3905 9705 3924 9665 3909 9655
TIME...MOT...LOC 2141Z 246DEG 42KT 3910 9679 

$$

The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 15, 1:57 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Cloud, Ottawa, Republic	48 min
Dec 15, 2:42 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Clay, Cloud, Dickinson, Marshall, Ottawa, Republic and 2 more	48 min
Dec 15, 3:00 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Dickinson, Geary, Morris	45 min
Dec 15, 3:01 PM CST	Blowing Dust Advisory	TOP	Clay, Cloud, Dickinson, Ottawa, Republic, Washington	3 hr
Dec 15, 3:19 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Clay, Dickinson, Geary, Jackson, Marshall, Nemaha and 4 more	41 min
Dec 15, 3:33 PM CST	Tornado Warning	TOP	Pottawatomie, Riley	15 min
Dec 15, 3:39 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Geary, Morris, Wabaunsee	51 min
Dec 15, 3:54 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Brown, Geary, Jackson, Marshall, Nemaha, Pottawatomie and 3 more	51 min
Dec 15, 3:57 PM CST	Tornado Warning	TOP	Jackson, Pottawatomie	10 min
Dec 15, 4:10 PM CST	Tornado Warning	TOP	Nemaha, Pottawatomie	20 min
Dec 15, 4:20 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Lyon, Morris, Osage, Shawnee, Wabaunsee	40 min
Dec 15, 4:33 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Brown, Jackson, Jefferson, Shawnee	27 min
Dec 15, 4:35 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Coffey, Lyon, Osage	40 min
Dec 15, 4:53 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Douglas, Franklin, Jefferson, Lyon, Osage, Shawnee and 1 more	37 min
Dec 15, 4:54 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Brown, Douglas, Jackson, Jefferson, Shawnee	51 min
Dec 15, 5:09 PM CST	Severe Thunderstorm Warning Considerable damage threat	TOP	Franklin, Osage	36 min
Dec 15, 5:15 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Anderson, Coffey, Franklin, Lyon, Osage	45 min
Dec 15, 5:24 PM CST	Severe Thunderstorm Warning Destructive damage threat	TOP	Douglas, Franklin, Jefferson, Osage, Shawnee	36 min
Dec 15, 5:42 PM CST	Severe Thunderstorm Warning Considerable damage threat	TOP	Franklin, Osage	33 min
Dec 15, 5:54 PM CST	Severe Thunderstorm Warning Considerable damage threat	TOP	Anderson, Coffey, Franklin, Osage	36 min
Dec 15, 5:57 PM CST	Severe Thunderstorm Warning	TOP	Douglas, Franklin	18 min

Nearby

Tornado Warnings in Kansas, 2021 Every tornado warning in 2021 Tornadoes 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.