Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 73, NWS Omaha, NE
NWS Omaha, NE issued this severe thunderstorm warning at Jun 24, 2021, 5:35 PM CDT for 4 counties in Nebraska. It was in force for 40 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
- Jun 24, 2021, 5:35 PM CDT (22:35 UTC)
- Expired
- Jun 24, 2021, 6:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Omaha, NE
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Gage County, NE, Jefferson County, NE, Saline County, NE, Seward County, NE
The radar
The Omaha radar (KOAX), 106 km from the middle of the area, began a volume at 22:39 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 24, 3:44 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.6 hours before the alert went out and 106 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
- 23 J/kg
- Mixed-layer CIN
- -488 J/kg
- Mixed-layer LCL
- 2303 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
100
WUUS53 KOAX 242235
SVROAX
NEC067-095-151-159-242315-
/O.NEW.KOAX.SV.W.0073.210624T2235Z-210624T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
535 PM CDT Thu Jun 24 2021
The National Weather Service in Omaha has issued a
* Severe Thunderstorm Warning for...
Southwestern Seward County in southeastern Nebraska...
Northeastern Jefferson County in southeastern Nebraska...
Saline County in southeastern Nebraska...
Northwestern Gage County in southeastern Nebraska...
* Until 615 PM CDT.
* At 534 PM CDT, severe thunderstorms were located along a line
extending from near McCool Junction to near Milligan to 6 miles
southeast of Ohiowa, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Western around 550 PM CDT.
Other locations in the path of these severe thunderstorms include
Friend, Beaver Crossing, Wilber, Dorchester and De Witt.
This includes Interstate 80 in Nebraska between mile markers 366 and
375.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Nebraska.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4035 9737 4086 9736 4090 9721 4055 9691
4053 9691 4052 9690 4033 9686
TIME...MOT...LOC 2234Z 271DEG 26KT 4072 9754 4055 9742 4035 9736
HAIL...<.75IN
WIND...60MPH
$$
Petersen2 follow-up statements
846
WWUS53 KOAX 242300
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
600 PM CDT Thu Jun 24 2021
NEC095-242309-
/O.CAN.KOAX.SV.W.0073.000000T0000Z-210624T2315Z/
Jefferson NE-
600 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JEFFERSON COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Nebraska.
LAT...LON 4036 9736 4071 9736 4078 9711 4055 9691
4053 9691 4052 9690 4040 9687
TIME...MOT...LOC 2259Z 271DEG 26KT 4072 9731 4055 9719 4035 9713
$$
NEC067-151-159-242315-
/O.CON.KOAX.SV.W.0073.000000T0000Z-210624T2315Z/
Seward NE-Saline NE-Gage NE-
600 PM CDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR SOUTH CENTRAL SEWARD...SALINE AND NORTHWESTERN GAGE COUNTIES...
At 559 PM CDT, severe thunderstorms were located along a line
extending from 4 miles south of Beaver Crossing to 8 miles southwest
of Dorchester to 4 miles southeast of Western, moving east at 30
mph. The strongest winds are expected to impact near a line from
Milligan to Crete.
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...
Dorchester, De Witt, Wilber and Crete.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Nebraska.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4036 9736 4071 9736 4078 9711 4055 9691
4053 9691 4052 9690 4040 9687
TIME...MOT...LOC 2259Z 271DEG 26KT 4072 9731 4055 9719 4035 9713
HAIL...<.75IN
WIND...70MPH
$$
Petersen404
WWUS53 KOAX 242314
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
614 PM CDT Thu Jun 24 2021
NEC067-151-159-242323-
/O.EXP.KOAX.SV.W.0073.000000T0000Z-210624T2315Z/
Seward NE-Saline NE-Gage NE-
614 PM CDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL SEWARD...SALINE
AND NORTHWESTERN GAGE COUNTIES WILL EXPIRE AT 615 PM CDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Nebraska.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Saline, Lancaster, and Seward Counties.
LAT...LON 4036 9736 4071 9736 4078 9711 4055 9691
4053 9691 4052 9690 4040 9687
TIME...MOT...LOC 2313Z 271DEG 26KT 4072 9720 4055 9708 4035 9702
$$
PetersenThe office that day
Everything else NWS Omaha, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 11:27 PM CDT | Severe Thunderstorm Warning | OAX | Antelope, Knox, Madison, Pierce | 48 min |
| Jun 24, 12:12 AM CDT | Severe Thunderstorm Warning | OAX | Antelope, Madison, Pierce, Stanton, Wayne | 48 min |
| Jun 24, 12:40 AM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone, Madison, Platte | 50 min |
| Jun 24, 12:58 AM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone, Colfax, Cuming, Madison, Pierce and 3 more | 47 min |
| Jun 24, 1:11 AM CDT | Tornado Warning | OAX | Madison, Stanton | 34 min |
| Jun 24, 1:22 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Butler, Colfax, Cuming, Dodge, Madison and 5 more | 23 min |
| Jun 24, 1:41 AM CDT | Tornado Warning | OAX | Colfax, Cuming, Dodge, Stanton | 34 min |
| Jun 24, 1:43 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Butler, Colfax, Cuming, Dodge, Douglas and 7 more | 47 min |
| Jun 24, 1:55 AM CDT | Severe Thunderstorm Warning | OAX | Butler, Colfax, Dodge, Lancaster, Saunders, Seward | 50 min |
| Jun 24, 2:15 AM CDT | Severe Thunderstorm Warning | OAX | Burt, Cass, Dodge, Douglas, Sarpy, Saunders and 2 more | 60 min |
| Jun 24, 2:24 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Gage, Jefferson, Lancaster, Otoe, Saline and 1 more | 51 min |
| Jun 24, 2:51 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Gage, Johnson, Lancaster, Otoe, Sarpy | 39 min |
| Jun 24, 2:54 AM CDT | Severe Thunderstorm Warning | OAX | Cass, Gage, Johnson, Lancaster, Otoe, Sarpy | 36 min |
| Jun 24, 3:17 AM CDT | Severe Thunderstorm Warning | OAX | Johnson, Nemaha, Otoe, Pawnee, Richardson | 58 min |
| Jun 24, 2:23 PM CDT | Flash Flood Watch | OAX | Cass, Gage, Jefferson, Johnson, Lancaster, Nemaha and 4 more | 37 hr |
| Jun 24, 5:10 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Lancaster, Otoe | 40 min |
| Jun 24, 5:34 PM CDT | Flash Flood Warning | OAX | Cass, Lancaster, Otoe | 4 hr |
| Jun 24, 5:43 PM CDT | Tornado Warning | OAX | Otoe | 47 min |
| Jun 24, 5:51 PM CDT | Severe Thunderstorm Warning | OAX | Cass, Sarpy, Saunders | 54 min |
| Jun 24, 5:55 PM CDT | Severe Thunderstorm Warning | OAX | Lancaster, Saline, Seward | 50 min |
| Jun 24, 6:07 PM CDT | Tornado Warning | OAX | Otoe | 38 min |
| Jun 24, 6:12 PM CDT | Flash Flood Warning | OAX | Pawnee, Richardson | 8 hr |
| Jun 24, 6:12 PM CDT | Severe Thunderstorm Warning | OAX | Gage, Lancaster, Saline, Seward | 48 min |
| Jun 24, 6:16 PM CDT | Special Weather Statement | OAX | Douglas | 89 min |
| Jun 24, 6:28 PM CDT | Severe Thunderstorm Warning | OAX | Richardson | 47 min |
| Jun 24, 6:32 PM CDT | Flash Flood Warning | OAX | Cass | 3 hr |
| Jun 24, 6:34 PM CDT | Tornado Warning | OAX | Richardson | 41 min |
| Jun 24, 6:43 PM CDT | Severe Thunderstorm Warning | OAX | Otoe | 47 min |
| Jun 24, 6:48 PM CDT | Flash Flood Warning | OAX | Saline, Seward | 3 hr |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2021Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.