Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 71, NWS North Platte, NE

June 23, 2021Holt County, Wheeler County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 23, 2021, 10:27 PM CDT for Holt County, Wheeler County, Nebraska. It was in force for 33 min. 3 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 23, 2021, 10:27 PM CDT (03:27 UTC)
Expired
Jun 23, 2021, 11:00 PM CDT
In force
33 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.75 in
Wind
70.0 mph

Counties Holt County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 153 km from the middle of the area, began a volume at 03:29 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 23, 10:28 PM CDTTSTM WND GST 603 Ssw Atkinson, NE
Jun 23, 10:28 PM CDTHAIL 0.883 Sw Atkinson, NE
Jun 23, 10:55 PM CDTTSTM WND GST 60Oneill, NEKONL AWOS

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 23, 4:40 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.5 hours before the alert went out and 198 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3468 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.19395878Sfc1 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
3468 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
1979 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
127 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

As transmitted.

984 
WUUS53 KLBF 240327
SVRLBF
NEC089-183-240400-
/O.NEW.KLBF.SV.W.0071.210624T0327Z-210624T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1027 PM CDT Wed Jun 23 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Central Holt County in north central Nebraska...
  Northwestern Wheeler County in north central Nebraska...

* Until 1100 PM CDT.

* At 1027 PM CDT, a severe thunderstorm was located over Atkinson, or
  14 miles west of O'Neill, moving southeast at 40 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           considerable tree damage. Wind damage is also likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  O'neill, O'Neill, Atkinson, Chambers, Page, Amelia, Inman, Emmet
  and Opportunity.

This includes the following highways...
 Highway 20 between mile markers 281 and 325.
 Highway 281 between mile markers 155 and 197.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4198 9869 4205 9877 4209 9876 4209 9882
      4246 9925 4249 9924 4275 9895 4253 9830
      4241 9830
TIME...MOT...LOC 0327Z 298DEG 43KT 4251 9893 

HAIL...1.75IN
WIND...70MPH
 
$$

Gomez
1 follow-up statement
908 
WWUS53 KLBF 240345
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1045 PM CDT Wed Jun 23 2021

NEC089-183-240400-
/O.CON.KLBF.SV.W.0071.000000T0000Z-210624T0400Z/
Holt NE-Wheeler NE-
1045 PM CDT Wed Jun 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR CENTRAL HOLT AND NORTHWESTERN WHEELER COUNTIES...

At 1045 PM CDT, a severe thunderstorm was located near O'neill,
moving southeast at 40 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect 
         considerable tree damage. Wind damage is also likely to 
         mobile homes, roofs, and outbuildings.

Locations impacted include...
O'neill, O'Neill, Atkinson, Chambers, Page, Amelia, Inman, Emmet and
Opportunity.

This includes the following highways...
 Highway 20 between mile markers 281 and 325.
 Highway 281 between mile markers 155 and 197.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4198 9869 4205 9877 4209 9876 4209 9882
      4246 9925 4249 9924 4275 9895 4253 9830
      4241 9830
TIME...MOT...LOC 0345Z 298DEG 43KT 4241 9867 

HAIL...1.50IN
WIND...70MPH
 
$$

Gomez

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:25 PM CDTSpecial Weather StatementLBFKeya Paha50 min
Jun 23, 8:04 PM CDTSevere Thunderstorm WarningLBFKeya Paha41 min
Jun 23, 8:12 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry, Keya Paha18 min
Jun 23, 8:39 PM CDTSpecial Weather StatementLBFGrant36 min
Jun 23, 8:44 PM CDTSevere Thunderstorm WarningLBFKeya Paha46 min
Jun 23, 9:07 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock53 min
Jun 23, 9:28 PM CDTSevere Thunderstorm WarningLBFKeya Paha32 min
Jun 23, 9:47 PM CDTSevere Thunderstorm WarningLBFBoyd, Holt, Keya Paha, Rock43 min
Jun 23, 9:50 PM CDTSevere Thunderstorm WarningLBFBrown, Keya Paha40 min
Jun 23, 10:25 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry, Keya Paha, Rock35 min
Jun 23, 10:33 PM CDTSpecial Weather StatementLBFBrown27 min
Jun 23, 10:53 PM CDTSevere Thunderstorm WarningLBFHolt, Wheeler52 min
Jun 23, 10:57 PM CDTSevere Thunderstorm WarningLBFBrown, Cherry, Keya Paha, Loup, Rock48 min
Jun 23, 11:05 PM CDTSpecial Weather StatementLBFBlaine, Logan, Loup40 min
Jun 23, 11:20 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown, Custer, Loup25 min
Jun 23, 11:36 PM CDTAreal Flood AdvisoryLBFGarfield, Holt, Loup, Rock, Wheeler3 hr
Jun 23, 11:40 PM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Garfield, Holt, Loup, Rock and 1 more50 min
Jun 24, 12:30 AM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Garfield, Holt, Loup, Wheeler30 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.