Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 48, NWS Omaha, NE

June 22, 2021Antelope County, Madison County, Pierce County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 22, 2021, 4:48 PM CDT for Antelope County, Madison County, Pierce County, Nebraska. It was in force for 27 min. 2 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
Jun 22, 2021, 4:48 PM CDT (21:48 UTC)
Expired
Jun 22, 2021, 5:15 PM CDT
In force
27 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Antelope County, NE, Madison County, NE, Pierce County, NE

The radar

The Omaha radar (KOAX), 160 km from the middle of the area, began a volume at 21:50 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

TimeReportWhereRemark
Jun 22, 5:00 PM CDTHAIL 15 S Brunswick, NEHAIL COVERED THE GROUND.
Jun 22, 5:20 PM CDTHAIL 1.54 Nne Tilden, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.8 hours before the alert went out and 160 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1910 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
324 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

177 
WUUS53 KOAX 222148
SVROAX
NEC003-119-139-222215-
/O.NEW.KOAX.SV.W.0048.210622T2148Z-210622T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
448 PM CDT Tue Jun 22 2021

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Northwestern Madison County in northeastern Nebraska...
  Southwestern Pierce County in northeastern Nebraska...
  Northeastern Antelope County in northeastern Nebraska...

* Until 515 PM CDT.

* At 448 PM CDT, a severe thunderstorm was located 10 miles southwest
  of Plainview, or 33 miles northwest of Norfolk, moving southeast at
  20 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Madison, southwestern Pierce and northeastern Antelope
  Counties, including the following locations... Willow Creek State
  Recreation Area, Brunswick and Tilden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4225 9812 4240 9798 4219 9750 4197 9772
TIME...MOT...LOC 2148Z 306DEG 19KT 4229 9798 

HAIL...1.25IN
WIND...<50MPH
 
$$

DEE
2 follow-up statements
947 
WWUS53 KOAX 222157
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
457 PM CDT Tue Jun 22 2021

NEC003-119-139-222215-
/O.CON.KOAX.SV.W.0048.000000T0000Z-210622T2215Z/
Madison NE-Pierce NE-Antelope NE-
457 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN MADISON...SOUTHWESTERN PIERCE AND NORTHEASTERN
ANTELOPE COUNTIES...

At 457 PM CDT, a severe thunderstorm was located 9 miles northeast of
Neligh, or 29 miles northwest of Norfolk, moving southeast at 25 mph.

HAZARD...60 mph wind gusts and half dollar 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...
  Meadow Grove around 530 PM CDT.

Other locations impacted by this severe thunderstorm include Willow
Creek State Recreation Area, Brunswick and Tilden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Omaha.

&&

LAT...LON 4223 9809 4237 9794 4219 9750 4197 9772
TIME...MOT...LOC 2157Z 310DEG 21KT 4224 9792 

HAIL...1.25IN
WIND...60MPH
 
$$

DEE
286 
WWUS53 KOAX 222208
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
508 PM CDT Tue Jun 22 2021

NEC003-119-139-222215-
/O.CON.KOAX.SV.W.0048.000000T0000Z-210622T2215Z/
Madison NE-Pierce NE-Antelope NE-
508 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR NORTHWESTERN MADISON...SOUTHWESTERN PIERCE AND EAST CENTRAL
ANTELOPE COUNTIES...

At 508 PM CDT, a severe thunderstorm was located 9 miles northeast of
Neligh, or 26 miles northwest of Norfolk, moving southeast at 20 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

This severe storm will be near...
  Meadow Grove around 530 PM CDT.

Other locations impacted by this severe thunderstorm include Willow
Creek State Recreation Area and Tilden.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Omaha.

&&

LAT...LON 4219 9803 4228 9792 4219 9750 4197 9772
TIME...MOT...LOC 2208Z 308DEG 17KT 4221 9788 

HAIL...1.75IN
WIND...60MPH
 
$$

DEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 5:14 PM CDTSevere Thunderstorm WarningOAXAntelope, Madison, Pierce46 min
Jun 22, 5:42 PM CDTSevere Thunderstorm WarningOAXMadison48 min
Jun 22, 6:09 PM CDTSevere Thunderstorm WarningOAXAntelope36 min
Jun 22, 6:26 PM CDTSevere Thunderstorm WarningOAXBoone, Platte16 min
Jun 22, 6:28 PM CDTSevere Thunderstorm WarningOAXMadison, Platte32 min
Jun 22, 6:53 PM CDTSevere Thunderstorm WarningOAXAntelope, Boone, Madison, Platte18 min
Jun 22, 6:58 PM CDTSevere Thunderstorm WarningOAXPlatte32 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.