Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 93, NWS Omaha, NE

July 9, 20215 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jul 9, 2021, 11:00 PM CDT for 5 counties in Nebraska. It was in force for 45 min. 5 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, 11:00 PM CDT (04:00 UTC)
Expired: Jul 9, 2021, 11:45 PM CDT
In force: 45 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Cuming County, NE, Madison County, NE, Pierce County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 102 km from the middle of the area, began a volume at 04:03 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, 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.
Jul 9, 11:24 PM CDT	TSTM WND DMG	1 Ne Pilger, NE	REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN.
Jul 9, 11:27 PM CDT	TSTM WND DMG	1 S Battle Creek, NE	LARGE BRANCH DOWN BLOCKING ROAD.
Jul 9, 11:37 PM CDT	TSTM WND DMG	Stanton, NE	LAW ENFORCEMENT REPORTED TREES DOWN IN STANTON.

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
Jul 9, 9:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.0 hours before the alert went out and 102 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.

555 
WUUS53 KOAX 100400
SVROAX
NEC039-119-139-167-179-100445-
/O.NEW.KOAX.SV.W.0093.210710T0400Z-210710T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
1100 PM CDT Fri Jul 9 2021

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Madison County in northeastern Nebraska...
  Southern Wayne County in northeastern Nebraska...
  Cuming County in northeastern Nebraska...
  Eastern Pierce County in northeastern Nebraska...
  Stanton County in northeastern Nebraska...

* Until 1145 PM CDT.

* At 1100 PM CDT, a severe thunderstorm was located 5 miles northwest
  of Stanton, or 6 miles southeast of Norfolk, moving east at 60 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Stanton around 1105 PM CDT.
  Pilger around 1115 PM CDT.
  Wisner around 1120 PM CDT.

Other locations in the path of this severe thunderstorm include
Beemer and West Point.

People attending Madison County Fairgrounds should seek safe shelter
immediately!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4238 9752 4210 9682 4209 9682 4208 9677
      4187 9658 4175 9705 4174 9783
TIME...MOT...LOC 0400Z 280DEG 50KT 4198 9732 

HAIL...0.88IN
WIND...60MPH
 
$$

DeWald

3 follow-up statements

311 
WWUS53 KOAX 100414
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1114 PM CDT Fri Jul 9 2021

NEC039-119-139-167-179-100445-
/O.CON.KOAX.SV.W.0093.000000T0000Z-210710T0445Z/
Madison NE-Wayne NE-Cuming NE-Pierce NE-Stanton NE-
1114 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR MADISON...SOUTHERN WAYNE...CUMING...SOUTHEASTERN PIERCE AND
STANTON COUNTIES...

At 1113 PM CDT, a severe thunderstorm was located near Pilger, or 18
miles east of Norfolk, moving east at 60 mph.

HAZARD...65 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.

This severe storm will be near...
  Wisner around 1120 PM CDT.

Other locations in the path of this severe thunderstorm include
Beemer and West Point.

People attending Madison County Fairgrounds should seek safe shelter
immediately!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4233 9740 4210 9682 4209 9682 4208 9677
      4187 9658 4175 9705 4174 9783
TIME...MOT...LOC 0413Z 280DEG 50KT 4195 9707 

HAIL...1.00IN
WIND...65MPH
 
$$

DeWald

175 
WWUS53 KOAX 100424
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1124 PM CDT Fri Jul 9 2021

NEC139-100433-
/O.CAN.KOAX.SV.W.0093.000000T0000Z-210710T0445Z/
Pierce NE-
1124 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PIERCE 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. A Severe Thunderstorm Watch also remains in
effect until 500 AM CDT for northeastern Nebraska.

LAT...LON 4219 9709 4210 9682 4209 9682 4208 9677
      4187 9658 4175 9705 4174 9756
TIME...MOT...LOC 0423Z 280DEG 50KT 4192 9687 

$$

NEC039-119-167-179-100445-
/O.CON.KOAX.SV.W.0093.000000T0000Z-210710T0445Z/
Madison NE-Wayne NE-Cuming NE-Stanton NE-
1124 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHEASTERN MADISON...SOUTHEASTERN WAYNE...CUMING AND STANTON
COUNTIES...

At 1123 PM CDT, a severe thunderstorm was located near Beemer, or 29
miles east of Norfolk, moving east at 60 mph.

HAZARD...65 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  West Point.

People attending Madison County Fairgrounds should seek safe shelter
immediately!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4219 9709 4210 9682 4209 9682 4208 9677
      4187 9658 4175 9705 4174 9756
TIME...MOT...LOC 0423Z 280DEG 50KT 4192 9687 

HAIL...0.75IN
WIND...65MPH
 
$$

Petersen

285 
WWUS53 KOAX 100442
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1142 PM CDT Fri Jul 9 2021

NEC039-119-167-179-100452-
/O.EXP.KOAX.SV.W.0093.000000T0000Z-210710T0445Z/
Madison NE-Wayne NE-Cuming NE-Stanton NE-
1142 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MADISON...
SOUTHEASTERN WAYNE...CUMING AND STANTON COUNTIES WILL EXPIRE AT 1145
PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
northeastern Nebraska. A Severe Thunderstorm Watch also remains in
effect until 500 AM CDT for northeastern Nebraska.

LAT...LON 4219 9709 4210 9682 4209 9682 4208 9677
      4187 9658 4175 9705 4174 9756
TIME...MOT...LOC 0442Z 280DEG 50KT 4188 9657 

$$

Petersen

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, 10:12 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Cedar, Knox, Madison, Pierce, Stanton and 1 more	48 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, 11:19 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.