Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 39, NWS North Platte, NE

May 26, 2021Keith County, Perkins County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 26, 2021, 7:05 PM MDT for Keith County, Perkins County, Nebraska. It was in force for 40 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
May 26, 2021, 7:05 PM MDT (01:05 UTC)
Expired
May 26, 2021, 7:45 PM MDT
In force
40 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Keith County, NE, Perkins County, NE

The radar

The North Platte radar (KLNX), 142 km from the middle of the area, began a volume at 01:10 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
May 26, 7:31 PM MDTHAIL 1Nnw Grant, 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.

IssuedProductOfficeLasted
May 26, 1:27 PM MDTSevere Thunderstorm WatchSPC8 hr
May 26, 3:42 PM MDTTornado Watch PDSSPC8 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.1 hours before the alert went out and 101 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 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 124 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 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
124 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1622 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.1
Supercell composite
9.7

Open this sounding in Storm Lab

The text

As transmitted.

823 
WUUS53 KLBF 270105
SVRLBF
NEC101-135-270145-
/O.NEW.KLBF.SV.W.0039.210527T0105Z-210527T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
705 PM MDT Wed May 26 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Northern Perkins County in southwestern Nebraska...
  Keith County in southwestern Nebraska...

* Until 745 PM MDT.

* At 705 PM MDT, severe thunderstorms were located along a line
  extending from 7 miles east of Lewellen to 6 miles south of Big
  Springs, moving east at 30 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...
  Ogallala, Grant, Brule, Madrid, Lemoyne, Keystone, Roscoe, Kingsley
  Dam, Eagle Gulch Campground, Ruthon, Clear Creek State Wildlife
  Management Area, Nevens, Megeath, Broganville, Otter Creek
  Campground, Lake View Campground, Wild Horse Spring and Belmar.

This includes the following highways...
 Highway 61 between mile markers 68 and 108.
 Highway 92 between mile markers 119 and 138.
 Interstate 80 in Nebraska between mile markers 109 and 142.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

A Tornado Watch remains in effect until 100 AM MDT for southwestern
Nebraska.

LAT...LON 4088 10205 4136 10206 4138 10139 4082 10144
TIME...MOT...LOC 0105Z 269DEG 27KT 4130 10201 4097 10205 

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

CDC
1 follow-up statement
561 
WWUS53 KLBF 270120
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
720 PM MDT Wed May 26 2021

NEC101-135-270145-
/O.CON.KLBF.SV.W.0039.000000T0000Z-210527T0145Z/
Perkins NE-Keith NE-
720 PM MDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR NORTHERN PERKINS AND KEITH COUNTIES...

At 720 PM MDT, severe thunderstorms were located along a line
extending from near Lemoyne to 9 miles north of Grant, moving east at
40 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Ogallala, Grant, Brule, Madrid, Lemoyne, Keystone, Roscoe, Kingsley
Dam, Eagle Gulch Campground, Nevens, Broganville, Otter Creek
Campground, Lake View Campground, Wild Horse Spring and Belmar.

This includes the following highways...
 Highway 61 between mile markers 68 and 108.
 Highway 92 between mile markers 124 and 138.
 Interstate 80 in Nebraska between mile markers 112 and 142.

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
North Platte.

&&

LAT...LON 4087 10200 4136 10197 4138 10139 4082 10144
TIME...MOT...LOC 0120Z 273DEG 36KT 4132 10171 4099 10175 

HAIL...1.00IN
WIND...70MPH
 
$$

NMJ

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 6:00 PM MDTSpecial Weather StatementLBFGarden30 min
May 26, 6:12 PM MDTSpecial Weather StatementLBFDeuel33 min
May 26, 6:15 PM MDTSpecial Weather StatementLBFSheridan30 min
May 26, 6:20 PM MDTSpecial Weather StatementLBFGarden25 min
May 26, 6:23 PM MDTSpecial Weather StatementLBFHayes37 min
May 26, 6:40 PM MDTSpecial Weather StatementLBFSheridan35 min
May 26, 6:43 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan47 min
May 26, 6:46 PM MDTSpecial Weather StatementLBFHayes44 min
May 26, 6:47 PM MDTFlash Flood WarningLBFFrontier, Hayes10 hr
May 26, 6:57 PM MDTSpecial Weather StatementLBFKeith48 min
May 26, 7:03 PM MDTSevere Thunderstorm WarningLBFFrontier, Hayes42 min
May 26, 7:04 PM MDTSevere Thunderstorm WarningLBFChase, Hayes41 min
May 26, 7:28 PM MDTSevere Thunderstorm WarningLBFChase, Perkins32 min
May 26, 7:39 PM MDTSevere Thunderstorm WarningLBFArthur, Keith, Lincoln, McPherson36 min
May 26, 7:42 PM MDTSpecial Weather StatementLBFFrontier33 min
May 26, 7:44 PM MDTSevere Thunderstorm WarningLBFKeith, Lincoln, Perkins46 min
May 26, 7:55 PM MDTSpecial Weather StatementLBFChase, Hayes65 min
May 26, 7:56 PM MDTFlash Flood WarningLBFLincoln62 min
May 26, 8:17 PM MDTSevere Thunderstorm WarningLBFHooker, Logan, McPherson, Thomas43 min
May 26, 8:18 PM MDTSpecial Weather StatementLBFFrontier27 min
May 26, 8:26 PM MDTSpecial Weather StatementLBFFrontier49 min
May 26, 8:30 PM MDTSpecial Weather StatementLBFLincoln45 min
May 26, 9:04 PM MDTSpecial Weather StatementLBFFrontier56 min
May 26, 10:41 PM MDTRiver Flood AdvisoryLBFHayes87 min
May 27, 12:08 AM MDTRiver Flood WarningLBFHayes10 hr

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.