Alert archive / Missouri / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 152, NWS Kansas City, MO

December 15, 2021Doniphan County, Kansas; 9 counties in Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Dec 15, 2021, 5:12 PM CST for Doniphan County, Kansas; 9 counties in Missouri. It was in force for 78 min. 6 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, 5:12 PM CST (23:12 UTC)
Expired: Dec 15, 2021, 6:30 PM CST
In force: 78 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Possible
Damage threat: Destructive
Hail: 0.75 in
Wind: 80.0 mph

Counties Doniphan County, KS, Andrew County, MO, Buchanan County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Nodaway County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 143 km from the middle of the area, began a volume at 23:13 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, 5:12 PM CST	TSTM WND GST 74	2 N Quitman, MO	DAMAGE TO OUTBUILDINGS REPORTED.
Dec 15, 5:13 PM CST	TSTM WND GST 70	Clearmont, MO	DELAYED REPORT. A FEW WINDOWS BLOWN OUT OF A HOME.
Dec 15, 5:17 PM CST	TSTM WND DMG	1 Nw Maryville, MO	DEBRIS IN THE ROADWAY AND LIGHT POLES DOWN. TIME ESTIMATED FROM RADAR.
Dec 15, 5:17 PM CST	HAIL 1.75	Maryville, MO	GOLF BALL SIZED HAIL REPORTED ON SOUTH MAIN STREET. POWER LINES AND TREES DOWN IN TOWN. REPORTED BY LAW ENFORCEMENT RELAYED BY EMERGENCY MANAGEMENT.
Dec 15, 6:19 PM CST	TSTM WND DMG	Coffey, MO	REPORT OF CARPORT AND LEAN TO BLOWN OVER.
Dec 15, 6:23 PM CST	TSTM WND DMG	1 Ese Bethany, MO	REPORT OF POWER POLES DOWN IN BETHANY. TIME ESTIMATED VIA RADAR.

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, 11.2 hours before the alert went out and 151 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.

467 
WUUS53 KEAX 152312
SVREAX
KSC043-MOC003-021-061-063-075-081-087-147-227-160030-
/O.NEW.KEAX.SV.W.0152.211215T2312Z-211216T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Kansas City/Pleasant Hill MO
512 PM CST Wed Dec 15 2021

The National Weather Service in Pleasant Hill has issued a

* Severe Thunderstorm Warning for...
  Doniphan County in northeastern Kansas...
  Northern Buchanan County in northwestern Missouri...
  Worth County in northwestern Missouri...
  Daviess County in north central Missouri...
  Gentry County in northwestern Missouri...
  Harrison County in north central Missouri...
  Eastern Holt County in northwestern Missouri...
  Nodaway County in northwestern Missouri...
  Andrew County in northwestern Missouri...
  DeKalb County in northwestern Missouri...

* Until 630 PM CST.

* At 511 PM CST, severe thunderstorms were located along a line
  extending from near Braddyville to 6 miles southeast of Maitland to
  near Denton, moving northeast at 75 mph.

  THESE ARE DESTRUCTIVE STORMS FOR NORTHERN MISSOURI WITH REPORTS OF 
  80 TO 90 MPH WINDS.
.

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

  SOURCE...Trained weather spotters.

  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...
  St. Joseph, Maryville, Cameron, Savannah, Bethany, Gallatin,
  Albany, Wathena, Elwood, Stanberry, Maysville, Troy, Country Club
  Villa, Country Club, King City, Grant City, Stewartsville, Agency,
  Burlington Junction and Hopkins.

This includes the following highways...
 Interstate 35 in Missouri between mile markers 56 and 113.
 Interstate 29 between mile markers 40 and 73.
 Interstate 229 between mile markers 0 and 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage across northern Missouri. SEEK SHELTER NOW inside a 
sturdy structure and stay away from windows! A Tornado Watch remains 
in effect until 800 PM CST for northeastern Kansas...and north 
central and northwestern Missouri.

&&

LAT...LON 4057 9470 4057 9377 3980 9376 3979 9420
      3975 9423 3975 9460 3965 9460 3966 9532
      4012 9505 4058 9517
TIME...MOT...LOC 2311Z 238DEG 67KT 4055 9508 4016 9497 3972 9522 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...80 MPH

$$

CDB

2 follow-up statements

743 
WWUS53 KEAX 152334
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
534 PM CST Wed Dec 15 2021

MOC087-152343-
/O.CAN.KEAX.SV.W.0152.000000T0000Z-211216T0030Z/
Holt MO-
534 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HOLT COUNTY 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...and north central and northwestern Missouri.

A Severe Thunderstorm Watch remains in effect until 700 PM CST for
north central and northwestern Missouri.

LAT...LON 4057 9377 3980 9376 3979 9420 3975 9423
      3975 9460 3965 9460 3966 9515 4057 9463
TIME...MOT...LOC 2333Z 238DEG 67KT 4075 9467 4036 9456 3992 9481 

$$

KSC043-MOC003-021-061-063-075-081-147-227-160030-
/O.CON.KEAX.SV.W.0152.000000T0000Z-211216T0030Z/
Doniphan KS-Buchanan MO-Worth MO-Daviess MO-Gentry MO-Harrison MO-
Nodaway MO-Andrew MO-DeKalb MO-
534 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR SOUTHEASTERN DONIPHAN...NORTHERN BUCHANAN...WORTH...DAVIESS...
GENTRY...HARRISON...EASTERN NODAWAY...ANDREW AND DEKALB COUNTIES...

At 533 PM CST, severe thunderstorms were located along a line
extending from 6 miles northeast of Bedford to 6 miles east of
Ravenwood to Savannah, moving northeast at 75 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
St. Joseph, Cameron, Savannah, Bethany, Gallatin, Albany, Wathena,
Elwood, Stanberry, Maysville, Troy, Country Club Villa, Country Club,
King City, Grant City, Stewartsville, Agency, Jamesport, Ridgeway and
Ravenwood.

This includes the following highways...
 Interstate 35 in Missouri between mile markers 56 and 113.
 Interstate 29 between mile markers 40 and 65.
 Interstate 229 between mile markers 0 and 14.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows.
 
&&

LAT...LON 4057 9377 3980 9376 3979 9420 3975 9423
      3975 9460 3965 9460 3966 9515 4057 9463
TIME...MOT...LOC 2333Z 238DEG 67KT 4075 9467 4036 9456 3992 9481 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

Blair

945 
WWUS53 KEAX 160007
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
607 PM CST Wed Dec 15 2021

KSC043-MOC003-021-147-160016-
/O.CAN.KEAX.SV.W.0152.000000T0000Z-211216T0030Z/
Doniphan KS-Buchanan MO-Nodaway MO-Andrew MO-
607 PM CST Wed Dec 15 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DONIPHAN...
NORTHERN BUCHANAN...EASTERN NODAWAY AND ANDREW 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 north central
and northwestern Missouri.

A Severe Thunderstorm Watch remains in effect until 700 PM CST for
north central and northwestern Missouri. A Severe Thunderstorm Watch
also remains in effect until midnight CST for north central Missouri.

LAT...LON 4057 9377 3980 9376 3979 9420 3975 9423
      3975 9460 4034 9442 4043 9428 4047 9423
      4057 9423
TIME...MOT...LOC 0006Z 244DEG 41KT 4039 9418 4008 9435 3980 9446 

$$

MOC061-063-075-081-227-160030-
/O.CON.KEAX.SV.W.0152.000000T0000Z-211216T0030Z/
Worth MO-Daviess MO-Gentry MO-Harrison MO-DeKalb MO-
607 PM CST Wed Dec 15 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CST
FOR SOUTHEASTERN WORTH...DAVIESS...GENTRY...HARRISON AND DEKALB
COUNTIES...

At 606 PM CST, severe thunderstorms were located along a line
extending from 8 miles north of New Hampton to 9 miles east of King
City to near Stewartsville, moving northeast at 50 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Cameron, Bethany, Gallatin, Albany, Maysville, Stewartsville,
Jamesport, Ridgeway, Osborn, Gilman City, Pattonsburg, Eagleville,
New Hampton, Cainsville, Clarksdale, Winston, Altamont, Blythedale,
Coffey and Jameson.

This includes Interstate 35 in Missouri between mile markers 56 and
113.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 800 PM CST for north central
and northwestern Missouri.

Prepare immediately damaging winds. People outside should move to a 
shelter, inside a strong building and away from windows.

&&

LAT...LON 4057 9377 3980 9376 3979 9420 3975 9423
      3975 9460 4034 9442 4043 9428 4047 9423
      4057 9423
TIME...MOT...LOC 0006Z 244DEG 41KT 4039 9418 4008 9435 3980 9446 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

CDB

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 15, 4:03 PM CST	Severe Thunderstorm Warning Destructive damage threat	EAX	Doniphan	72 min
Dec 15, 4:43 PM CST	Severe Thunderstorm Warning Destructive damage threat	EAX	Atchison, Doniphan	62 min
Dec 15, 4:51 PM CST	Tornado Warning	EAX	Doniphan	39 min
Dec 15, 5:03 PM CST	Tornado Warning	EAX	Atchison, Doniphan	27 min
Dec 15, 5:18 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Atchison, Leavenworth, Wyandotte	57 min
Dec 15, 5:31 PM CST	Severe Thunderstorm Warning Considerable damage threat	EAX	Johnson, Miami	44 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2021 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.