Alert archive / Nebraska / Tornado Warnings in 2021

Tornado Warning 16, NWS Omaha, NE

December 15, 2021Madison County, Stanton County, Wayne County, Nebraska

NWS Omaha, NE issued this tornado warning at Dec 15, 2021, 3:29 PM CST for Madison County, Stanton County, Wayne County, Nebraska. It was in force for 31 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
Dec 15, 2021, 3:29 PM CST (21:29 UTC)
Expired
Dec 15, 2021, 4:00 PM CST
In force
31 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Madison County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 104 km from the middle of the area, began a volume at 21:34 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 watch it was issued in

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

IssuedProductOfficeLasted
Dec 15, 1:23 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.5 hours before the alert went out and 103 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2021-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2021-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 346 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
2165 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
346 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

867 
WFUS53 KOAX 152129
TOROAX
NEC119-167-179-152200-
/O.NEW.KOAX.TO.W.0016.211215T2129Z-211215T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Omaha/Valley Nebraska
329 PM CST Wed Dec 15 2021

The National Weather Service in Omaha has issued a

* Tornado Warning for...
  East central Madison County in northeastern Nebraska...
  Southwestern Wayne County in northeastern Nebraska...
  Northern Stanton County in northeastern Nebraska...

* Until 400 PM CST.
    
* At 328 PM CST, a severe thunderstorm capable of producing a tornado
  was located 5 miles southeast of Norfolk, moving northeast at 60
  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...
  Hoskins around 340 PM CST.
  Winside around 345 PM CST.

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 4185 9720 4197 9742 4224 9724 4212 9700
TIME...MOT...LOC 2128Z 210DEG 50KT 4199 9733 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kern
2 follow-up statements
430 
WWUS53 KOAX 152143
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
343 PM CST Wed Dec 15 2021

NEC119-152152-
/O.CAN.KOAX.TO.W.0016.000000T0000Z-211215T2200Z/
Madison NE-
343 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR EAST CENTRAL MADISON COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

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

LAT...LON 4200 9709 4209 9734 4224 9724 4212 9700
TIME...MOT...LOC 2142Z 205DEG 61KT 4213 9722 

$$

NEC167-179-152200-
/O.CON.KOAX.TO.W.0016.000000T0000Z-211215T2200Z/
Wayne NE-Stanton NE-
343 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CST FOR
SOUTHWESTERN WAYNE AND NORTHEASTERN STANTON COUNTIES...

At 342 PM CST, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Winside, or 12 miles northeast of Norfolk, moving northeast at 70
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.

These dangerous storms will be near...
  Winside around 345 PM CST.

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 4200 9709 4209 9734 4224 9724 4212 9700
TIME...MOT...LOC 2142Z 205DEG 61KT 4213 9722 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Kern
575 
WWUS53 KOAX 152153
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
353 PM CST Wed Dec 15 2021

NEC167-179-152203-
/O.EXP.KOAX.TO.W.0016.000000T0000Z-211215T2200Z/
Wayne NE-Stanton NE-
353 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR SOUTHWESTERN WAYNE AND NORTHEASTERN
STANTON COUNTIES WILL EXPIRE AT 400 PM CST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

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

LAT...LON 4200 9709 4209 9734 4224 9724 4212 9700
TIME...MOT...LOC 2153Z 210DEG 50KT 4224 9713 

$$

Kern

The office that day

Everything else NWS Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 15, 2:19 PM CSTSevere Thunderstorm Warning Destructive damage threatOAXAntelope, Boone, Butler, Colfax, Madison, Pierce and 2 more56 min
Dec 15, 2:26 PM CSTSevere Thunderstorm Warning Considerable damage threatOAXButler, Gage, Jefferson, Lancaster, Saline, Saunders and 1 more64 min
Dec 15, 2:39 PM CSTTornado WarningOAXBoone, Madison, Platte, Stanton24 min
Dec 15, 2:50 PM CSTTornado WarningOAXColfax, Platte40 min
Dec 15, 2:54 PM CSTSevere Thunderstorm Warning Destructive damage threatOAXCass, Dodge, Douglas, Gage, Johnson, Lancaster and 5 more81 min
Dec 15, 2:59 PM CSTTornado WarningOAXButler, Colfax, Dodge, Platte31 min
Dec 15, 3:06 PM CSTTornado WarningOAXMadison, Platte, Stanton24 min
Dec 15, 3:09 PM CSTSevere Thunderstorm Warning Destructive damage threatOAXBurt, Butler, Colfax, Cuming, Dodge, Saunders and 4 more51 min
Dec 15, 3:13 PM CSTSevere Thunderstorm Warning Considerable damage threatOAXAntelope, Cedar, Colfax, Knox, Madison, Pierce and 3 more62 min
Dec 15, 3:23 PM CSTTornado WarningOAXLancaster, Seward16 min
Dec 15, 3:25 PM CSTTornado WarningOAXColfax, Cuming, Stanton35 min
Dec 15, 3:35 PM CSTSevere Thunderstorm Warning Destructive damage threatOAXCass, Douglas, Johnson, Nemaha, Otoe, Pawnee and 3 more70 min
Dec 15, 3:41 PM CSTSevere Thunderstorm Warning Destructive damage threatOAXBurt, Cuming, Thurston, Washington64 min
Dec 15, 3:45 PM CSTTornado WarningOAXDouglas, Saunders30 min
Dec 15, 3:45 PM CSTTornado Warning Tornado observedOAXCuming, Thurston45 min
Dec 15, 3:54 PM CSTTornado Warning Tornado observedOAXDodge, Douglas, Washington28 min
Dec 15, 4:01 PM CSTTornado WarningOAXCass, Otoe14 min
Dec 15, 4:11 PM CSTTornado WarningOAXNemaha, Pawnee, Richardson34 min
Dec 15, 4:12 PM CSTTornado WarningOAXCass33 min
Dec 15, 4:16 PM CSTTornado WarningOAXWashington17 min
Dec 15, 5:08 PM CSTBlowing Dust AdvisoryOAXCass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 5 more4 hr

Nearby

Tornado Warnings in Nebraska, 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.