Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 89, NWS Omaha, NE

July 9, 20217 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jul 9, 2021, 10:12 PM CDT for 7 counties in Nebraska. It was in force for 48 min. 8 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: Jul 9, 2021, 10:12 PM CDT (03:12 UTC)
Expired: Jul 9, 2021, 11:00 PM CDT
In force: 48 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Antelope County, NE, Cedar County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 155 km from the middle of the area, began a volume at 03:15 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
Jul 9, 10:35 PM CDT	TSTM WND DMG	Tilden, NE	LARGE TREE DOWN ON A HOUSE. FAMILY TRAPPED INSIDE.
Jul 9, 10:55 PM CDT	TSTM WND DMG	3 E Pierce, NE	TREES DOWN EAST OF PIERCE.
Jul 9, 10:55 PM CDT	TSTM WND GST 58	8 N Tilden, NE	PWS-KNEMEADO3.
Jul 9, 10:59 PM CDT	TSTM WND DMG	2 Wnw Meadow Grove, NE	LAW ENFORCEMENT RELAYED REPORT OF TREES AND POWER LINES DOWN ALONG HIGHWAY 275.
Jul 9, 10:59 PM CDT	TSTM WND DMG	Battle Creek, NE	LAW ENFORCEMENT RELAYED REPORT OF POWER OUT IN BATTLE CREEK.
Jul 9, 11:01 PM CDT	TSTM WND DMG	3 Nnw Meadow Grove, NE	REPORT FROM MPING: TREES UPROOTED OR SNAPPED.
Jul 9, 11:04 PM CDT	TSTM WND DMG	4 Se Meadow Grove, NE	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 4 SE MEADOW GROVE. FLATTENED GRAIN BIN... FLATTENED CORN.
Jul 9, 11:05 PM CDT	TSTM WND GST 63	3 Ssw Norfolk, NE	ASOS AT NORFOLK AIRPORT MEASURED A PEAK WIND GUST OF 63 MPH.

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
Jul 9, 8:45 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 3.2 hours before the alert went out and 155 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: 2603 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1447 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

As transmitted.

731 
WUUS53 KOAX 100312
SVROAX
NEC003-027-107-119-139-167-179-100400-
/O.NEW.KOAX.SV.W.0089.210710T0312Z-210710T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
1012 PM CDT Fri Jul 9 2021

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Northern Madison County in northeastern Nebraska...
  Wayne County in northeastern Nebraska...
  Pierce County in northeastern Nebraska...
  Antelope County in northeastern Nebraska...
  Southeastern Knox County in northeastern Nebraska...
  Southern Cedar County in northeastern Nebraska...
  Northern Stanton County in northeastern Nebraska...

* Until 1100 PM CDT.

* At 1011 PM CDT, severe thunderstorms were located along a line
  extending from Randolph to 4 miles northeast of Neligh, moving
  southeast at 65 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Randolph around 1015 PM CDT.
  Meadow Grove and Carroll around 1025 PM CDT.
  Wayne and Battle Creek around 1030 PM CDT.

Other locations in the path of these severe thunderstorms include
Hadar and Norfolk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4237 9830 4267 9783 4250 9703 4208 9702
      4192 9742 4192 9830
TIME...MOT...LOC 0311Z 294DEG 55KT 4239 9739 4216 9796 

HAIL...1.00IN
WIND...60MPH
 
$$

DeWald

3 follow-up statements

367 
WWUS53 KOAX 100326
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1026 PM CDT Fri Jul 9 2021

NEC003-027-107-119-139-167-179-100400-
/O.CON.KOAX.SV.W.0089.000000T0000Z-210710T0400Z/
Madison NE-Wayne NE-Pierce NE-Antelope NE-Knox NE-Cedar NE-
Stanton NE-
1026 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHERN MADISON...WAYNE...PIERCE...ANTELOPE...SOUTHEASTERN
KNOX...SOUTHERN CEDAR AND NORTHERN STANTON COUNTIES...

At 1026 PM CDT, a severe thunderstorm was located 8 miles south of
Plainview, or 23 miles northwest of Norfolk, moving southeast at 50
mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
  Pierce, Hadar, Norfolk and Hoskins.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4238 9821 4254 9763 4250 9703 4208 9702
      4192 9742 4192 9830
TIME...MOT...LOC 0326Z 298DEG 43KT 4223 9780 

HAIL...1.00IN
WIND...60MPH
 
$$

DeWald

212 
WWUS53 KOAX 100337
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1037 PM CDT Fri Jul 9 2021

NEC003-027-107-119-139-167-179-100400-
/O.CON.KOAX.SV.W.0089.000000T0000Z-210710T0400Z/
Madison NE-Wayne NE-Pierce NE-Antelope NE-Knox NE-Cedar NE-
Stanton NE-
1037 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHERN MADISON...WAYNE...PIERCE...EASTERN ANTELOPE...
SOUTHEASTERN KNOX...SOUTHERN CEDAR AND NORTHERN STANTON COUNTIES...

At 1037 PM CDT, a severe thunderstorm was located 6 miles southwest
of Pierce, or 14 miles northwest of Norfolk, moving east at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Norfolk, Wayne, Pierce, Neligh, Plainview, Battle Creek, Creighton,
Randolph, Osmond, Wausa, Coleridge, Winside, Oakdale, Meadow Grove,
Hadar, Hoskins, Carroll, Laurel, Tilden and Brunswick.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4254 9763 4250 9703 4208 9702 4192 9742
      4192 9804 4244 9800
TIME...MOT...LOC 0337Z 289DEG 45KT 4216 9764 

HAIL...1.00IN
WIND...60MPH
 
$$

DeWald

260 
WWUS53 KOAX 100348
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1048 PM CDT Fri Jul 9 2021

NEC003-100357-
/O.CAN.KOAX.SV.W.0089.000000T0000Z-210710T0400Z/
Antelope NE-
1048 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ANTELOPE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
northeastern Nebraska.

LAT...LON 4250 9745 4250 9703 4208 9702 4192 9742
      4193 9783 4242 9783
TIME...MOT...LOC 0347Z 291DEG 44KT 4209 9752 

$$

NEC027-107-119-139-167-179-100400-
/O.CON.KOAX.SV.W.0089.000000T0000Z-210710T0400Z/
Madison NE-Wayne NE-Pierce NE-Knox NE-Cedar NE-Stanton NE-
1048 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR NORTHERN MADISON...WAYNE...PIERCE...SOUTHEASTERN KNOX...SOUTHERN
CEDAR AND NORTHERN STANTON COUNTIES...

At 1047 PM CDT, a severe thunderstorm was located near Hadar, or 6
miles northwest of Norfolk, moving east at 50 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Norfolk, Wayne, Pierce, Plainview, Battle Creek, Randolph, Osmond,
Winside, Meadow Grove, Hadar, Hoskins, Carroll, Laurel, Tilden,
Belden, Magnet, Foster, McLean, Sholes and Camp Assurance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4250 9745 4250 9703 4208 9702 4192 9742
      4193 9783 4242 9783
TIME...MOT...LOC 0347Z 291DEG 44KT 4209 9752 

HAIL...1.00IN
WIND...60MPH
 
$$

DeWald

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 9:30 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox, Pierce	45 min
Jul 9, 9:50 PM CDT	Special Weather Statement	OAX	Antelope, Boone	10 min
Jul 9, 10:15 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Platte	45 min
Jul 9, 10:52 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming, Thurston	38 min
Jul 9, 10:56 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Dodge, Platte, Saunders	64 min
Jul 9, 11:00 PM CDT	Severe Thunderstorm Warning	OAX	Cuming, Madison, Pierce, Stanton, Wayne	45 min
Jul 9, 11:19 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Cuming, Dodge	41 min
Jul 9, 11:26 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Gage, Lancaster, Saline, Saunders, Seward	64 min
Jul 9, 11:38 PM CDT	Severe Thunderstorm Warning	OAX	Burt, Dodge, Douglas, Saunders, Washington	52 min
Jul 9, 11:41 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Cuming, Dodge, Platte, Saunders and 1 more	49 min
Jul 9, 11:46 PM CDT	Severe Thunderstorm Warning	OAX	Jefferson	44 min
Jul 9, 11:55 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Gage, Johnson, Lancaster, Otoe and 2 more	65 min
Jul 10, 12:11 AM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Pawnee	49 min
Jul 10, 12:26 AM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Saunders, Washington	19 min
Jul 10, 12:40 AM CDT	Severe Thunderstorm Warning	OAX	Otoe	50 min
Jul 10, 12:42 AM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Saunders, Washington	18 min
Jul 10, 12:44 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Gage, Johnson, Nemaha, Otoe, Pawnee and 1 more	61 min
Jul 10, 1:31 PM CDT	Special Weather Statement	OAX	Dodge, Douglas, Sarpy, Saunders, Washington	74 min
Jul 10, 1:56 PM CDT	Severe Thunderstorm Warning	OAX	Dodge, Douglas, Sarpy, Saunders, Washington	64 min
Jul 10, 4:18 PM CDT	Special Weather Statement	OAX	Pawnee, Richardson	27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.