Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 55, NWS Omaha, NE

June 22, 2021Platte County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 22, 2021, 6:58 PM CDT for Platte County, Nebraska. It was in force for 32 min. 1 report 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, 6:58 PM CDT (23:58 UTC)
Expired
Jun 22, 2021, 7:30 PM CDT
In force
32 min
Issued by
NWS Omaha, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Platte County, NE

The radar

The Omaha radar (KOAX), 117 km from the middle of the area, began a volume at 00:05 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, 7:10 PM CDTHAIL 18 Nw Monroe, NEALSO 50-60 MPH WINDS ESTIMATED.

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.

IssuedProductOfficeLasted
Jun 22, 4:49 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 12.0 hours before the alert went out and 117 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.

207 
WUUS53 KOAX 222358
SVROAX
NEC141-230030-
/O.NEW.KOAX.SV.W.0055.210622T2358Z-210623T0030Z/

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

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Northwestern Platte County in northeastern Nebraska...

* Until 730 PM CDT.

* At 658 PM CDT, a severe thunderstorm was located 5 miles southwest
  of Lindsay, or 25 miles northwest of Columbus, moving southeast at
  20 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 thunderstorm will remain over mainly rural areas of
  northwestern Platte County.

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 4166 9783 4169 9772 4155 9754 4148 9767
      4149 9770 4152 9771 4152 9780 4153 9781
TIME...MOT...LOC 2358Z 331DEG 19KT 4163 9777 

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

DEE
2 follow-up statements
949 
WWUS53 KOAX 230003
SVSOAX

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

NEC141-230030-
/O.CON.KOAX.SV.W.0055.000000T0000Z-210623T0030Z/
Platte NE-
703 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR NORTHWESTERN PLATTE COUNTY...

At 703 PM CDT, a severe thunderstorm was located 6 miles east of St.
Edward, or 22 miles northwest of Columbus, moving southeast at 20 
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 thunderstorm will remain over mainly rural areas of
northwestern Platte County.

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 4165 9783 4166 9769 4155 9754 4148 9767
      4149 9770 4152 9771 4152 9780 4153 9781
TIME...MOT...LOC 0003Z 330DEG 21KT 4159 9774 

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

DEE
273 
WWUS53 KOAX 230019
SVSOAX

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

NEC141-230030-
/O.CON.KOAX.SV.W.0055.000000T0000Z-210623T0030Z/
Platte NE-
719 PM CDT Tue Jun 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR WEST CENTRAL PLATTE COUNTY...

At 719 PM CDT, a severe thunderstorm was located 5 miles northwest of
Monroe, or 17 miles west of Columbus, moving southeast at 20 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 thunderstorm will remain over mainly rural areas of west
central Platte County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and 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 4158 9777 4161 9765 4155 9754 4148 9767
      4149 9770 4152 9771 4152 9780 4153 9781
TIME...MOT...LOC 0019Z 331DEG 19KT 4151 9768 

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

DEE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 4:48 PM CDTSevere Thunderstorm WarningOAXAntelope, Madison, Pierce27 min
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

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.