Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS North Platte, NE

June 23, 20217 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 23, 2021, 11:40 PM CDT for 7 counties in Nebraska. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 23, 2021, 11:40 PM CDT (04:40 UTC)
Expired
Jun 24, 2021, 12:30 AM CDT
In force
50 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Blaine County, NE, Custer County, NE, Garfield County, NE, Holt County, NE, Loup County, NE, Rock County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 136 km from the middle of the area, began a volume at 04:43 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 23, 10:37 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.7 hours before the alert went out and 171 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°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.

366 
WUUS53 KLBF 240440
SVRLBF
NEC009-041-071-089-115-149-183-240530-
/O.NEW.KLBF.SV.W.0075.210624T0440Z-210624T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1140 PM CDT Wed Jun 23 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southeastern Rock County in north central Nebraska...
  Loup County in north central Nebraska...
  Garfield County in north central Nebraska...
  Holt County in north central Nebraska...
  Northeastern Custer County in central Nebraska...
  Eastern Blaine County in north central Nebraska...
  Wheeler County in north central Nebraska...

* Until 1230 AM CDT.

* At 1139 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles south of Newport to 8 miles east of Rose to
  8 miles north of Anselmo, moving east at 45 mph.

  HAZARD...60 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.

* Locations impacted include...
  O'neill, Burwell, Taylor, Brewster, O'Neill, Atkinson, Stuart,
  Sargent, Ewing, Chambers, Page, Bartlett, Newport, Ericson, Rose,
  Amelia, Calamus Reservoir State Recreation Area, Inman, Milburn and
  Emmet.

This includes the following highways...
 Highway 183 between mile markers 115 and 168.
 Highway 20 between mile markers 261 and 328.
 Highway 281 between mile markers 132 and 196.

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 these storms. 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 4174 9839 4174 9921 4161 9921 4179 10010
      4218 9957 4263 9950 4265 9835 4241 9830
      4184 9830
TIME...MOT...LOC 0439Z 283DEG 39KT 4251 9933 4216 9936 4175 9988 

HAIL...1.00IN
WIND...60MPH
 
$$

Gomez
1 follow-up statement
484 
WWUS53 KLBF 240513
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1213 AM CDT Thu Jun 24 2021

NEC009-041-071-089-115-149-183-240530-
/O.CON.KLBF.SV.W.0075.000000T0000Z-210624T0530Z/
Rock NE-Loup NE-Garfield NE-Holt NE-Custer NE-Blaine NE-Wheeler NE-
1213 AM CDT Thu Jun 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR SOUTHEASTERN ROCK...LOUP...GARFIELD...HOLT...NORTHEASTERN
CUSTER...SOUTHEASTERN BLAINE AND WHEELER COUNTIES...

At 1212 AM CDT, severe thunderstorms were located along a line
extending from 8 miles southeast of Atkinson to 10 miles south of
Amelia to near Sargent, moving east at 45 mph.

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

SOURCE...Public.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
O'neill, Burwell, Taylor, O'Neill, Atkinson, Stuart, Sargent, Ewing, 
Chambers, Bartlett, Ericson, Amelia, Calamus Reservoir State 
Recreation Area, Inman, Milburn, Emmet.

This includes the following highways...
 Highway 183 between mile markers 115 and 153.
 Highway 20 between mile markers 280 and 328.
 Highway 281 between mile markers 132 and 196.

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 these storms.
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 4174 9839 4174 9921 4161 9921 4176 9994
      4216 9953 4264 9911 4265 9835 4241 9830
      4184 9830
TIME...MOT...LOC 0512Z 270DEG 39KT 4243 9887 4208 9891 4167 9943 

HAIL...1.00IN
WIND...60MPH
 
$$

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, 10:27 PM CDTSevere Thunderstorm WarningLBFHolt, Wheeler33 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 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.