Alert archive / Nebraska / Tornado Warnings in 2021

Tornado Warning 6, NWS Hastings, NE

December 15, 2021Adams County, Clay County, Webster County, Nebraska

NWS Hastings, NE issued this tornado warning at Dec 15, 2021, 1:45 PM CST for Adams County, Clay County, Webster County, Nebraska. It was in force for 15 min. 3 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, 1:45 PM CST (19:45 UTC)
Expired
Dec 15, 2021, 2:00 PM CST
In force
15 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Adams County, NE, Clay County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 13 km from the middle of the area, began a volume at 19:46 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

TimeReportWhereRemark
Dec 15, 1:49 PM CSTTSTM WND DMG2 Sse Ayr, NEDELAYED REPORT OF POWER POLES DOWNED AT MARIAN ROAD AND CIMARRON ROAD. TIME ESTIMATED FROM RADAR.
Dec 15, 1:52 PM CSTTSTM WND GST 663 Ne Ayr, NE
Dec 15, 1:56 PM CSTTORNADO3 W Glenvil, NEEMERGENCY MANAGEMENT REPORTED TORNADO WITHIN LINE...NO OTHER DETAILS AT THIS TIME.

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.

IssuedProductOfficeLasted
Dec 15, 1:23 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 7.8 hours before the alert went out and 195 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.

128 
WFUS53 KGID 151945
TORGID
NEC001-035-181-152000-
/O.NEW.KGID.TO.W.0006.211215T1945Z-211215T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Hastings NE
145 PM CST Wed Dec 15 2021

The National Weather Service in Hastings has issued a

* Tornado Warning for...
  West central Clay County in south central Nebraska...
  North central Webster County in south central Nebraska...
  Southeastern Adams County in south central Nebraska...

* Until 200 PM CST.
    
* At 145 PM CST, a severe thunderstorm capable of producing a tornado
  was located over Blue Hill, or 17 miles south of Hastings, moving
  northeast at 75 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...
  Ayr around 150 PM CST.
  Glenvil and Inland around 200 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 4028 9847 4034 9855 4066 9827 4053 9806
TIME...MOT...LOC 1945Z 218DEG 67KT 4035 9848 

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

$$

Thies
2 follow-up statements
517 
WWUS53 KGID 151947
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
147 PM CST Wed Dec 15 2021

NEC181-151957-
/O.CAN.KGID.TO.W.0006.000000T0000Z-211215T2000Z/
Webster NE-
147 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR NORTH CENTRAL WEBSTER 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 south central
Nebraska.

LAT...LON 4035 9836 4035 9854 4066 9827 4053 9806
TIME...MOT...LOC 1947Z 218DEG 67KT 4039 9844 

$$

NEC001-035-152000-
/O.CON.KGID.TO.W.0006.000000T0000Z-211215T2000Z/
Clay NE-Adams NE-
147 PM CST Wed Dec 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 200 PM CST FOR WEST
CENTRAL CLAY AND SOUTHEASTERN ADAMS COUNTIES...
        
At 147 PM CST, a confirmed tornado was located near Ayr, or 14 miles
south of Hastings, moving northeast at 75 mph.

HAZARD...Damaging tornado.

SOURCE...Radar confirmed tornado.

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 tornado will be near...
  Glenvil around 155 PM CST.
  Inland around 200 PM CST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. 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 4035 9836 4035 9854 4066 9827 4053 9806
TIME...MOT...LOC 1947Z 218DEG 67KT 4039 9844 

TORNADO...OBSERVED
MAX HAIL SIZE...0.00 IN

$$

Thies
716 
WWUS53 KGID 151959 RRA
SVSGID

Severe Weather Statement
National Weather Service Hastings NE
159 PM CST Wed Dec 15 2021

NEC001-035-152009-
/O.EXP.KGID.TO.W.0006.000000T0000Z-211215T2000Z/
Clay NE-Adams NE-
159 PM CST Wed Dec 15 2021

...THE TORNADO WARNING FOR WEST CENTRAL CLAY AND SOUTHEASTERN ADAMS
COUNTIES WILL EXPIRE AT 200 PM CST...
    
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.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Hastings.

Remember, a Severe Thunderstorm Warning still remains in effect.

LAT...LON 4035 9836 4035 9854 4066 9827 4053 9806
TIME...MOT...LOC 1959Z 218DEG 67KT 4055 9827 

$$

Thies

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 12:54 PM CSTSevere Thunderstorm Warning Considerable damage threatGIDFranklin, Furnas, Harlan, Kearney, Phelps, Webster36 min
Dec 15, 1:21 PM CSTSevere Thunderstorm Warning Considerable damage threatGIDAdams, Buffalo, Clay, Franklin, Hall, Hamilton and 7 more54 min
Dec 15, 1:30 PM CSTTornado WarningGIDAdams, Franklin, Webster15 min
Dec 15, 1:41 PM CSTDust Storm WarningGIDBuffalo, Dawson, Furnas, Gosper, Harlan, Kearney and 1 more94 min
Dec 15, 1:43 PM CSTTornado WarningGIDAdams17 min
Dec 15, 1:45 PM CSTTornado WarningGIDBuffalo, Hall, Howard15 min
Dec 15, 1:57 PM CSTTornado WarningGIDAdams, Hall, Hamilton, Merrick18 min
Dec 15, 2:03 PM CSTTornado WarningGIDClay, Hamilton12 min
Dec 15, 2:08 PM CSTSevere Thunderstorm Warning Considerable damage threatGIDClay, Fillmore, Greeley, Hall, Hamilton, Howard and 7 more52 min
Dec 15, 2:14 PM CSTTornado WarningGIDHamilton, Merrick, Polk, York16 min
Dec 15, 2:17 PM CSTBlowing Dust WarningGIDFranklin, Furnas, Harlan, Nuckolls, Thayer, Webster6 hr
Dec 15, 2:22 PM CSTSevere Thunderstorm Warning Destructive damage threatGIDHamilton, Howard, Merrick, Nance, Polk, York38 min
Dec 15, 2:32 PM CSTTornado WarningGIDHamilton, Merrick, Nance, Polk13 min
Dec 15, 2:39 PM CSTTornado WarningGIDNance9 min
Dec 15, 2:43 PM CSTTornado WarningGIDMerrick, Polk17 min
Dec 15, 2:45 PM CSTTornado WarningGIDPolk, York15 min
Dec 15, 4:31 PM CSTSnow Squall WarningGIDBuffalo, Dawson, Gosper, Phelps59 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.