Alert archive / Nebraska / Tornado Warnings in 2021
Tornado Warning 17, NWS Omaha, NE
NWS Omaha, NE issued this tornado warning at Dec 15, 2021, 3:45 PM CST for Douglas County, Saunders County, Nebraska. It was in force for 30 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, 3:45 PM CST (21:45 UTC)
- Expired
- Dec 15, 2021, 4:15 PM CST
- In force
- 30 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Douglas County, NE, Saunders County, NE
The radar
The Omaha radar (KOAX), 15 km from the middle of the area, began a volume at 21:48 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, 3:46 PM CST | TORNADO | 1 Nnw Ithaca, NE | A SHORT TRACK EF-1 TORNADO BEGAN JUST WEST OF CR 13 AND TRAVELED OVER A FARMSTEAD. THIS TORNADO CAUSED SUBSTANTIAL DAMAGE TO SEVERAL OUTBUILDINGS AND A GRAIN BIN. A CATTLE FEEDER THAT WAS SECURED TO THE GROUND VIA 3 FOOT DEEP CONCRETE POSTS WAS LIFTED AND THRO |
| Dec 15, 3:50 PM CST | TSTM WND GST 63 | 4 N Memphis, NE | MESONET STATION NB075 MEMPHIS 4N. |
| Dec 15, 3:51 PM CST | TSTM WND GST 99 | 3 E Ithaca, NE | UNL CSP1 PIVOT NEAR INTERSECTION OF COUNTY ROAD H AND COUNTY ROAD 10. |
| Dec 15, 3:53 PM CST | TSTM WND GST 128 | 4 Se Mead, NE | Corrects previous tstm wnd gst report from 4 SE Mead for wrong date. Very delayed report (2021). Received from UNL School of Natural Resources. Appears to have occurred in the rear flank downdraft region to the east (right) of a tornado track of the 12/15/2021 |
| Dec 15, 4:03 PM CST | TSTM WND GST 60 | 1 Wnw Valley, NE | |
| Dec 15, 4:04 PM CST | TSTM WND DMG | 2 E Mead, NE | POWER LINES DOWN AND THUNDERSTORM WIND DAMAGE ALONG HIGHWAY 92. |
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 |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.8 hours before the alert went out and 15 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.
- 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
The text
As transmitted.
803
WFUS53 KOAX 152145
TOROAX
NEC055-155-152230-
/O.NEW.KOAX.TO.W.0017.211215T2145Z-211215T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Omaha/Valley Nebraska
345 PM CST Wed Dec 15 2021
The National Weather Service in Omaha has issued a
* Tornado Warning for...
Western Douglas County in east central Nebraska...
Eastern Saunders County in east central Nebraska...
* Until 430 PM CST.
* At 345 PM CST, a severe thunderstorm capable of producing a tornado
was located 8 miles south of Mead, or 21 miles northeast of
Lincoln, 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...
Mead around 350 PM CST.
Yutan around 355 PM CST.
Valley, Waterloo and Elkhorn around 400 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 4104 9650 4105 9662 4139 9648 4139 9643
4129 9620
TIME...MOT...LOC 2145Z 216DEG 66KT 4110 9653
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
CA3 follow-up statements
690
WWUS53 KOAX 152149
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
349 PM CST Wed Dec 15 2021
NEC055-155-152230-
/O.CON.KOAX.TO.W.0017.000000T0000Z-211215T2230Z/
Douglas NE-Saunders NE-
349 PM CST Wed Dec 15 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CST FOR WESTERN
DOUGLAS AND EASTERN SAUNDERS COUNTIES...
At 348 PM CST, a confirmed tornado was located 5 miles south of Mead,
or 25 miles west of Omaha, moving northeast at 75 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornado will be near...
Valley, Waterloo and Elkhorn around 400 PM CST.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4104 9650 4105 9662 4139 9648 4139 9643
4129 9620
TIME...MOT...LOC 2148Z 216DEG 66KT 4116 9648
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
CA349
WWUS53 KOAX 152151 RRA
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
351 PM CST Wed Dec 15 2021
NEC055-155-152230-
/O.CON.KOAX.TO.W.0017.000000T0000Z-211215T2230Z/
Douglas NE-Saunders NE-
351 PM CST Wed Dec 15 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM CST FOR WESTERN
DOUGLAS AND NORTHEASTERN SAUNDERS COUNTIES...
At 351 PM CST, a confirmed tornado was located near Mead, or 22 miles
west of Omaha, 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...
Valley, Waterloo and Elkhorn around 400 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 4112 9640 4119 9655 4139 9648 4139 9643
4129 9620
TIME...MOT...LOC 2151Z 216DEG 66KT 4120 9644
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
CA593
WWUS53 KOAX 152215
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
415 PM CST Wed Dec 15 2021
NEC055-155-152225-
/O.CAN.KOAX.TO.W.0017.000000T0000Z-211215T2230Z/
Douglas NE-Saunders NE-
415 PM CST Wed Dec 15 2021
...THE TORNADO WARNING FOR WESTERN DOUGLAS AND NORTHEASTERN SAUNDERS
COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CST for east central
Nebraska.
LAT...LON 4112 9640 4119 9655 4139 9648 4139 9643
4129 9620
TIME...MOT...LOC 2213Z 216DEG 66KT 4156 9609
$$
CAThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 2:19 PM CST | Severe Thunderstorm Warning | OAX | Antelope, Boone, Butler, Colfax, Madison, Pierce and 2 more | 56 min |
| Dec 15, 2:26 PM CST | Severe Thunderstorm Warning | OAX | Butler, Gage, Jefferson, Lancaster, Saline, Saunders and 1 more | 64 min |
| Dec 15, 2:39 PM CST | Tornado Warning | OAX | Boone, Madison, Platte, Stanton | 24 min |
| Dec 15, 2:50 PM CST | Tornado Warning | OAX | Colfax, Platte | 40 min |
| Dec 15, 2:54 PM CST | Severe Thunderstorm Warning | OAX | Cass, Dodge, Douglas, Gage, Johnson, Lancaster and 5 more | 81 min |
| Dec 15, 2:59 PM CST | Tornado Warning | OAX | Butler, Colfax, Dodge, Platte | 31 min |
| Dec 15, 3:06 PM CST | Tornado Warning | OAX | Madison, Platte, Stanton | 24 min |
| Dec 15, 3:09 PM CST | Severe Thunderstorm Warning | OAX | Burt, Butler, Colfax, Cuming, Dodge, Saunders and 4 more | 51 min |
| Dec 15, 3:13 PM CST | Severe Thunderstorm Warning | OAX | Antelope, Cedar, Colfax, Knox, Madison, Pierce and 3 more | 62 min |
| Dec 15, 3:23 PM CST | Tornado Warning | OAX | Lancaster, Seward | 16 min |
| Dec 15, 3:25 PM CST | Tornado Warning | OAX | Colfax, Cuming, Stanton | 35 min |
| Dec 15, 3:29 PM CST | Tornado Warning | OAX | Madison, Stanton, Wayne | 31 min |
| Dec 15, 3:35 PM CST | Severe Thunderstorm Warning | OAX | Cass, Douglas, Johnson, Nemaha, Otoe, Pawnee and 3 more | 70 min |
| Dec 15, 3:41 PM CST | Severe Thunderstorm Warning | OAX | Burt, Cuming, Thurston, Washington | 64 min |
| Dec 15, 3:45 PM CST | Tornado Warning | OAX | Cuming, Thurston | 45 min |
| Dec 15, 3:54 PM CST | Tornado Warning | OAX | Dodge, Douglas, Washington | 28 min |
| Dec 15, 4:01 PM CST | Tornado Warning | OAX | Cass, Otoe | 14 min |
| Dec 15, 4:11 PM CST | Tornado Warning | OAX | Nemaha, Pawnee, Richardson | 34 min |
| Dec 15, 4:12 PM CST | Tornado Warning | OAX | Cass | 33 min |
| Dec 15, 4:16 PM CST | Tornado Warning | OAX | Washington | 17 min |
| Dec 15, 5:08 PM CST | Blowing Dust Advisory | OAX | Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 5 more | 4 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.