Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 41, NWS North Platte, NE

May 26, 20214 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 26, 2021, 7:39 PM MDT for 4 counties in Nebraska. It was in force for 36 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, 7:39 PM MDT (01:39 UTC)
Expired
May 26, 2021, 8:15 PM MDT
In force
36 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Arthur County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE

The radar

The North Platte radar (KLNX), 79 km from the middle of the area, began a volume at 01:42 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, 7:52 PM MDTTSTM WND GST 6011 Se Arthur, 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, 1.7 hours before the alert went out and 78 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°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 2021-05-27The 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.

035 
WUUS53 KLBF 270139
SVRLBF
NEC005-101-111-117-270215-
/O.NEW.KLBF.SV.W.0041.210527T0139Z-210527T0215Z/

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

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southeastern Arthur County in west central Nebraska...
  Northeastern Keith County in southwestern Nebraska...
  Northwestern Lincoln County in southwestern Nebraska...
  McPherson County in west central Nebraska...

* Until 915 PM CDT/815 PM MDT/.

* At 838 PM CDT/738 PM MDT/, severe thunderstorms were located along
  a line extending from near Arthur to 20 miles northeast of Kingsley
  Dam to 11 miles northeast of Keystone, moving northeast at 50 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...
  Arthur, Tryon, Haythorn Lake, Flatts, Big Lamunyon Flats, McKeag,
  Calora, Big Bald Hill, Bucktail Lake, Sand Beach Lake, Three Mile
  Lake, Diamond Bar Lake, Bucktail and Schnick Lake.

This includes the following highways...
 Highway 61 between mile markers 112 and 127.
 Highway 92 between mile markers 165 and 210.
 Highway 97 between mile markers 15 and 40.

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.

&&

A Tornado Watch remains in effect until 200 AM CDT/100 AM MDT/ for
southwestern Nebraska.

LAT...LON 4174 10141 4174 10108 4166 10092 4139 10077
      4122 10165 4139 10169 4154 10188
TIME...MOT...LOC 0138Z 246DEG 43KT 4156 10165 4148 10150 4134 10142 

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, 7:05 PM MDTSevere Thunderstorm WarningLBFKeith, Perkins40 min
May 26, 7:28 PM MDTSevere Thunderstorm WarningLBFChase, Perkins32 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.