Alert archive / Kansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 177, NWS Topeka, KS

December 15, 202110 counties in Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Dec 15, 2021, 3:19 PM CST for 10 counties in Kansas. It was in force for 41 min. 11 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, 3:19 PM CST (21:19 UTC)
Expired: Dec 15, 2021, 4:00 PM CST
In force: 41 min
Issued by: NWS Topeka, KS
Area: Storm-based polygon
Damage threat: Destructive
Hail: 0.88 in
Wind: 80.0 mph

Counties Clay County, KS, Dickinson County, KS, Geary County, KS, Jackson County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Riley County, KS, Wabaunsee County, KS, Washington County, KS

The radar

The Topeka radar (KTWX), 70 km from the middle of the area, began a volume at 21:22 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, 3:39 PM CST	TSTM WND GST 59	1 Ene Grandview Plaza, KS	AWOS STATION KFRI FT RILEY MARSHAL.
Dec 15, 3:45 PM CST	TSTM WND DMG	2 Wnw Manhattan, KS	SOCIAL MEDIA POST SHOWED HALF OF 12 INCH DIAMETER TREE BLOWN DOWN.
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, 3:49 PM CST	TSTM WND DMG	Grandview Plaza, KS	EM REPORTS SEVERE DAMAGE. MOTEL ROOF BLOWN OFF AND INTO OTHER BUILDINGS, POWER OUTAGES. TIME ESTIMATED FROM RADAR.
Dec 15, 3:52 PM CST	TSTM WND GST 76	2 Ne Ogden, KS	ASOS STATION KMHK MANHATTAN.
Dec 15, 3:53 PM CST	TSTM WND DMG	2 Nne Manhattan, KS	DELAYED REPORT. RESIDENT IN EAST MANHATTAN SHARED PICTURES VIA SOCIAL MEDIA OF LARGE TREE BRANCHES DOWN. ALSO REPORTED ROOF SHINGLES BLOWN OFF. TIME ESTIMATED.
Dec 15, 3:55 PM CST	NON-TSTM WND GST 62	1 Ne Marysville, KS	ASOS STATION KMYZ MARYSVILLE.
Dec 15, 3:56 PM CST	NON-TSTM WND GST 94	1 Ene Grandview Plaza, KS	AWOS STATION KFRI FT RILEY MARSHAL.
Dec 15, 3:58 PM CST	TSTM WND DMG	1 Nw Manhattan, KS	DELAYED REPORT FROM MPING: TREES UPROOTED OR SNAPPED; ROOF BLOWN OFF.
Dec 15, 4:01 PM CST	NON-TSTM WND GST 71	6 Nw Frankfort, KS	DELAYED REPORT: MESONET STATION UR408 5.5 NW FRANKFORT (UPR).
Dec 15, 4:04 PM CST	TSTM WND DMG	2 Wnw Manhattan, KS	DELAYED REPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN.

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, 9.3 hours before the alert went out and 93 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.

704 
WUUS53 KTOP 152119
SVRTOP
KSC027-041-061-085-117-131-149-161-197-201-152200-
/O.NEW.KTOP.SV.W.0177.211215T2119Z-211215T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Topeka KS
319 PM CST Wed Dec 15 2021

The National Weather Service in Topeka has issued a

* Severe Thunderstorm Warning for...
  Northeastern Dickinson County in central Kansas...
  Northern Geary County in east central Kansas...
  Riley County in northeastern Kansas...
  Northwestern Wabaunsee County in east central Kansas...
  Pottawatomie County in northeastern Kansas...
  West central Jackson County in northeastern Kansas...
  Nemaha County in northeastern Kansas...
  Eastern Washington County in north central Kansas...
  Southeastern Clay County in north central Kansas...
  Marshall County in northeastern Kansas...

* Until 400 PM CST.

* At 318 PM CST, severe thunderstorms were located along a line
  extending from near Odell to Chapman, moving east at 55 mph.

  THESE ARE DESTRUCTIVE STORMS FOR the warned area.

  HAZARD...80 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Locations impacted include...
  Manhattan, Junction City, Wamego, Marysville, Seneca, Blue Rapids,
  Westmoreland, Blaine, St. Marys, Ogden, Grandview Plaza, Wakefield,
  Riley, Frankfort, Onaga, Hanover, Waterville, St. George, Milford
  and Centralia.

This includes Interstate 70 between mile markers 299 and 323.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

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

&&

LAT...LON 4000 9589 3909 9609 3900 9707 4000 9687
TIME...MOT...LOC 2118Z 270DEG 49KT 4002 9679 3896 9702 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH

$$

Gargan

3 follow-up statements

177 
WWUS53 KTOP 152140
SVSTOP

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

KSC027-041-201-152149-
/O.CAN.KTOP.SV.W.0177.000000T0000Z-211215T2200Z/
Dickinson-Washington-Clay-
340 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DICKINSON...
EASTERN WASHINGTON AND SOUTHEASTERN CLAY COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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
east central Kansas.

LAT...LON 4000 9589 3909 9609 3904 9696 3956 9680
      4000 9676
TIME...MOT...LOC 2139Z 265DEG 44KT 4003 9646 3902 9676 

$$

KSC061-085-117-131-149-161-197-152200-
/O.CON.KTOP.SV.W.0177.000000T0000Z-211215T2200Z/
Geary-Riley-Wabaunsee-Pottawatomie-Jackson-Nemaha-Marshall-
340 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR NORTHERN GEARY...RILEY...NORTHWESTERN WABAUNSEE...POTTAWATOMIE...
WEST CENTRAL JACKSON...NEMAHA AND MARSHALL COUNTIES...

At 339 PM CST, severe thunderstorms were located along a line
extending from 6 miles west of Summerfield to near Grandview Plaza,
moving east at 50 mph.

THESE ARE DESTRUCTIVE STORMS FOR The warned area.

HAZARD...80 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Manhattan, Junction City, Wamego, Marysville, Seneca, Blue Rapids,
Westmoreland, Blaine, St. Marys, Ogden, Riley, Frankfort, Onaga,
Waterville, St. George, Milford, Centralia, Leonardville, Axtell and
Olsburg.

This includes Interstate 70 between mile markers 303 and 312, and
near mile marker 317.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4000 9589 3909 9609 3904 9696 3956 9680
      4000 9676
TIME...MOT...LOC 2139Z 265DEG 44KT 4003 9646 3902 9676 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH

$$

Gargan

132 
WWUS53 KTOP 152145
SVSTOP

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

KSC061-085-117-131-149-161-197-152200-
/O.CON.KTOP.SV.W.0177.000000T0000Z-211215T2200Z/
Geary-Riley-Wabaunsee-Pottawatomie-Jackson-Nemaha-Marshall-
345 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR NORTHERN GEARY...RILEY...NORTHWESTERN WABAUNSEE...POTTAWATOMIE...
WEST CENTRAL JACKSON...NEMAHA AND MARSHALL COUNTIES...

At 345 PM CST, severe thunderstorms were located along a line
extending from near Summerfield to 5 miles east of Grandview Plaza,
moving east at 55 mph.

THESE ARE DESTRUCTIVE STORMS FOR The WARNED area.

HAZARD...80 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Manhattan, Junction City, Wamego, Marysville, Seneca, Blue Rapids,
Westmoreland, Blaine, St. Marys, Ogden, Riley, Frankfort, Onaga,
Waterville, St. George, Centralia, Axtell, Olsburg, Belvue and
Beattie.

This includes Interstate 70 between mile markers 302 and 313, and
between mile markers 316 and 317.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4000 9589 3909 9609 3904 9691 3955 9676
      4000 9671
TIME...MOT...LOC 2145Z 270DEG 49KT 4003 9638 3902 9668 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH

$$

Gargan

440 
WWUS53 KTOP 152151
SVSTOP

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

KSC061-085-117-131-149-161-197-152200-
/O.CON.KTOP.SV.W.0177.000000T0000Z-211215T2200Z/
Geary-Riley-Wabaunsee-Pottawatomie-Jackson-Nemaha-Marshall-
351 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR EAST CENTRAL GEARY...EASTERN RILEY...NORTHWESTERN WABAUNSEE...
POTTAWATOMIE...WEST CENTRAL JACKSON...NEMAHA AND MARSHALL COUNTIES...

At 350 PM CST, severe thunderstorms were located along a line
extending from 3 miles northeast of Summerfield to 8 miles southeast
of Ogden, moving east at 55 mph.

THESE ARE DESTRUCTIVE STORMS FOR Warned area.

HAZARD...80 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Manhattan, Wamego, Marysville, Seneca, Westmoreland, Blaine, St.
Marys, Ogden, Frankfort, Onaga, St. George, Centralia, Axtell,
Olsburg, Belvue, Beattie, Emmett, Louisville, Bern and Corning.

At 348 PM a 70 MPH hour wind gust at the Manhattan Airport.

This includes Interstate 70 between mile markers 304 and 313, and
between mile markers 316 and 318.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4000 9589 3909 9610 3905 9673 3956 9665
      4000 9662
TIME...MOT...LOC 2150Z 270DEG 49KT 4003 9630 3902 9660 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...80 MPH

$$

Gargan

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, 3:29 PM CST	Tornado Warning	TOP	Dickinson, Geary, Riley	13 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

Severe Thunderstorm Warnings in Kansas, 2021 Every 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.