Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Omaha, NE

June 24, 20219 counties in Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 24, 2021, 12:58 AM CDT for 9 counties in Nebraska. It was in force for 47 min. 12 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 24, 2021, 12:58 AM CDT (05:58 UTC)
Expired: Jun 24, 2021, 1:45 AM CDT
In force: 47 min
Issued by: NWS Omaha, NE
Area: Storm-based polygon
Hail: 0.75 in
Wind: 80.0 mph

Counties Antelope County, NE, Boone County, NE, Colfax County, NE, Cuming County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 120 km from the middle of the area, began a volume at 05:59 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
Jun 24, 1:00 AM CDT	TSTM WND DMG	Newman Grove, NE	SEVERAL TREES DOWN.
Jun 24, 1:00 AM CDT	TSTM WND GST 55	4 Sw Cedar Rapids, NE	MEASURED ON PERSONAL WEATHER STATION.
Jun 24, 1:00 AM CDT	TSTM WND GST 61	6 Ne Primrose, NE	MEASURED ON PERSONAL WEATHER STATION.
Jun 24, 1:05 AM CDT	TSTM WND GST 62	6 Sw Newman Grove, NE	MEASURED ON PERSONAL WEATHER STATION.
Jun 24, 1:20 AM CDT	TSTM WND DMG	2 Ne Humphrey, NE	PHOTO SHOWING FARM OUTBUILDING WITH PARTIAL ROOF REMOVAL. SEVERAL LARGE TREES WERE ALSO REPORTED DOWN IN THE AREA.
Jun 24, 1:21 AM CDT	TSTM WND DMG	Madison, NE	SEVERAL LARGE TREES DOWN.
Jun 24, 1:32 AM CDT	TSTM WND DMG	Stanton, NE	3 TO 4-FT DIAMETER TREES KNOCKED OVER, DOWNING POWERLINES. REPORT TIME BASED ON RADAR.
Jun 24, 1:33 AM CDT	TSTM WND GST 60	Norfolk, NE
Jun 24, 1:37 AM CDT	TSTM WND DMG	Norfolk, NE	POWER OUTAGE.
Jun 24, 1:48 AM CDT	TSTM WND DMG	2 Ene Columbus, NE	REPORT OF A MODULAR HOME ROOF BEING BLOWN OFF. TIME ESTIMATED BASED ON COLUMBUS AIRPORT PEAK GUST.
Jun 24, 1:48 AM CDT	TSTM WND DMG	Columbus, NE	NUMEROUS TREES AND LARGE BRANCHES DOWN IN COLUMBUS.
Jun 24, 1:48 AM CDT	TSTM WND GST 61	Columbus, NE

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
Jun 23, 10:37 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.0 hours before the alert went out and 119 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: 2039 J/kg
Mixed-layer CIN: -306 J/kg
Mixed-layer LCL: 1664 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted.

927 
WUUS53 KOAX 240558
SVROAX
NEC003-011-037-039-119-139-141-167-179-240645-
/O.NEW.KOAX.SV.W.0063.210624T0558Z-210624T0645Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
1258 AM CDT Thu Jun 24 2021

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Madison County in northeastern Nebraska...
  Southwestern Wayne County in northeastern Nebraska...
  Northwestern Cuming County in northeastern Nebraska...
  Northwestern Colfax County in northeastern Nebraska...
  Platte County in northeastern Nebraska...
  Southeastern Pierce County in northeastern Nebraska...
  Southeastern Antelope County in northeastern Nebraska...
  Boone County in northeastern Nebraska...
  Stanton County in northeastern Nebraska...

* Until 145 AM CDT.

* At 1257 AM CDT, a severe thunderstorm was located near Norfolk,
  moving east at 35 mph.

  This is a very dangerous storm.

  HAZARD...80 mph wind gusts and penny size hail.

  SOURCE...Law enforcement.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* This severe thunderstorm will be near...
  Hoskins around 110 AM CDT.

Other locations in the path of this severe thunderstorm include
Stanton and Pilger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4174 9829 4226 9756 4214 9693 4138 9730
      4139 9732 4138 9734 4140 9737 4142 9770
      4152 9770 4153 9774 4151 9804 4150 9804
      4150 9809 4148 9810 4149 9829
TIME...MOT...LOC 0557Z 280DEG 31KT 4205 9747 

HAIL...0.75IN
WIND...80MPH
 
$$

Nicolaisen

2 follow-up statements

219 
WWUS53 KOAX 240608
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
108 AM CDT Thu Jun 24 2021

NEC003-011-037-039-119-139-141-167-179-240645-
/O.CON.KOAX.SV.W.0063.000000T0000Z-210624T0645Z/
Madison NE-Wayne NE-Cuming NE-Colfax NE-Platte NE-Pierce NE-
Antelope NE-Boone NE-Stanton NE-
108 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR MADISON...SOUTHWESTERN WAYNE...NORTHWESTERN CUMING...NORTHWESTERN
COLFAX...PLATTE...SOUTHEASTERN PIERCE...SOUTHEASTERN ANTELOPE...BOONE
AND STANTON COUNTIES...

At 107 AM CDT, a severe thunderstorm was located near Norfolk, moving
east at 35 mph.

This is a very dangerous storm.

HAZARD...80 mph wind gusts and penny size hail.

SOURCE...A 84 mph gust was recorded at the Albion Airport at 
         12:55AM. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
  Stanton and Pilger.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4174 9829 4226 9756 4214 9693 4138 9730
      4139 9732 4138 9734 4140 9737 4142 9770
      4152 9770 4153 9774 4151 9804 4150 9804
      4150 9809 4148 9810 4149 9829
TIME...MOT...LOC 0607Z 280DEG 31KT 4203 9735 

HAIL...0.75IN
WIND...80MPH
 
$$

Nicolaisen

146 
WWUS53 KOAX 240625
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
125 AM CDT Thu Jun 24 2021

NEC003-011-037-039-119-139-141-167-179-240645-
/O.CON.KOAX.SV.W.0063.000000T0000Z-210624T0645Z/
Madison NE-Wayne NE-Cuming NE-Colfax NE-Platte NE-Pierce NE-
Antelope NE-Boone NE-Stanton NE-
125 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR MADISON...SOUTHWESTERN WAYNE...NORTHWESTERN CUMING...NORTHWESTERN
COLFAX...PLATTE...SOUTHEASTERN PIERCE...SOUTHEASTERN ANTELOPE...BOONE
AND STANTON COUNTIES...

At 124 AM CDT, a severe thunderstorm was located 5 miles west of
Pilger, or 13 miles east of Norfolk, moving east at 35 mph.

This is a very dangerous storm with a history of producing 80 mph 
gusts and uprooting trees. 

HAZARD...80 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Norfolk, Columbus, Madison, Pierce, Albion, Stanton, Battle Creek,
Newman Grove, St. Edward, Winside, Leigh, Cedar Rapids, Pilger,
Platte Center, Petersburg, Meadow Grove, Hadar, Hoskins, Monroe and
Lindsay.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 4174 9829 4226 9756 4214 9693 4138 9730
      4139 9732 4138 9734 4140 9737 4142 9770
      4152 9770 4153 9774 4151 9804 4150 9804
      4150 9809 4148 9810 4149 9829
TIME...MOT...LOC 0624Z 280DEG 31KT 4200 9715 

HAIL...0.75IN
WIND...80MPH
 
$$

Nicolaisen

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, 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, 6:34 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, 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.