Alert archive / Nebraska / Tornado Warnings in 2021

Tornado Warning 7, NWS Omaha, NE

June 24, 2021Richardson County, Nebraska

NWS Omaha, NE issued this tornado warning at Jun 24, 2021, 6:34 PM CDT for Richardson County, Nebraska. It was in force for 41 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, 6:34 PM CDT (23:34 UTC)
Expired: Jun 24, 2021, 7:15 PM CDT
In force: 41 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Richardson County, NE

The radar

The Topeka radar (KTWX), 137 km from the middle of the area, began a volume at 23:37 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

Topeka, KS (KTOP), launched 12:00Z, 11.6 hours before the alert went out and 124 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: 2072 J/kg
Mixed-layer CIN: -283 J/kg
Mixed-layer LCL: 688 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 386 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

161 
WFUS53 KOAX 242334
TOROAX
NEC147-250015-
/O.NEW.KOAX.TO.W.0007.210624T2334Z-210625T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Omaha/Valley Nebraska
634 PM CDT Thu Jun 24 2021

The National Weather Service in Omaha has issued a

* Tornado Warning for...
  Richardson County in southeastern Nebraska...

* Until 715 PM CDT.
    
* At 634 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 6 miles southwest of Verdon, or 9 miles west of Falls
  City, moving northeast at 20 mph.

  HAZARD...Tornado and quarter size hail.

  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...
  Verdon around 650 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Falls City, Salem, Preston, and Rulo.

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 4012 9595 4024 9548 4021 9547 4019 9548
      4016 9543 4014 9543 4013 9541 4009 9539
      4005 9542 4003 9540 4003 9537 4000 9536
      4000 9594
TIME...MOT...LOC 2334Z 244DEG 19KT 4007 9578 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Petersen

3 follow-up statements

640 
WWUS53 KOAX 242340
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
640 PM CDT Thu Jun 24 2021

NEC147-250015-
/O.CON.KOAX.TO.W.0007.000000T0000Z-210625T0015Z/
Richardson NE-
640 PM CDT Thu Jun 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
RICHARDSON COUNTY...
    
At 639 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Salem, moving northeast at 20 mph. A second area of 
rotation capable of producing a tornado was located 7 miles 
southwest of Salem

HAZARD...Tornado and quarter size hail.

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...
  Verdon around 650 PM CDT.

Other locations in the path of this tornadic thunderstorm include
Falls City.

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 4012 9595 4024 9548 4021 9547 4019 9548
      4016 9543 4014 9543 4013 9541 4009 9539
      4005 9542 4003 9540 4003 9537 4000 9536
      4000 9594
TIME...MOT...LOC 2339Z 244DEG 19KT 4008 9575 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Petersen

163 
WWUS53 KOAX 242354
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
654 PM CDT Thu Jun 24 2021

NEC147-250015-
/O.CON.KOAX.TO.W.0007.000000T0000Z-210625T0015Z/
Richardson NE-
654 PM CDT Thu Jun 24 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR EASTERN
RICHARDSON COUNTY...
    
At 652 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 2 miles north of Falls City, moving east at 30 mph. A 
second area of rotation capable of producing a tornado was located 4 
miles southwest of Salem.

HAZARD...Tornado and quarter size hail.

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.

Other locations in the path of this tornadic thunderstorm include 
Falls City, Salem, Preston, and Rulo.

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 4009 9581 4024 9548 4021 9547 4019 9548
      4016 9543 4014 9543 4013 9541 4009 9539
      4005 9542 4003 9540 4003 9537 4000 9536
      4000 9586
TIME...MOT...LOC 2352Z 253DEG 27KT 4012 9560 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Petersen

029 
WWUS53 KOAX 250012
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
712 PM CDT Thu Jun 24 2021

NEC147-250021-
/O.EXP.KOAX.TO.W.0007.000000T0000Z-210625T0015Z/
Richardson NE-
712 PM CDT Thu Jun 24 2021

...THE TORNADO WARNING FOR EASTERN RICHARDSON COUNTY WILL EXPIRE AT
715 PM CDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, a Severe Thunderstorm Warning remains in effect 
for the area.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern
Nebraska.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern Richardson County

LAT...LON 4009 9581 4024 9548 4021 9547 4019 9548
      4016 9543 4014 9543 4013 9541 4009 9539
      4005 9542 4003 9540 4003 9537 4000 9536
      4000 9586
TIME...MOT...LOC 0011Z 244DEG 19KT 4016 9549 

$$

Petersen

The 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, 5:35 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Jefferson, Saline, Seward	40 min
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, 6:43 PM CDT	Severe Thunderstorm Warning	OAX	Otoe	47 min
Jun 24, 6:48 PM CDT	Flash Flood Warning	OAX	Saline, Seward	3 hr

Nearby

Tornado Warnings in Nebraska, 2021 Every tornado warning in 2021 Tornadoes 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.