Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 98, NWS North Platte, NE

July 16, 2021Cherry County, Sheridan County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 16, 2021, 6:46 PM MDT for Cherry County, Sheridan County, Nebraska. It was in force for 59 min. 2 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
Jul 16, 2021, 6:46 PM MDT (00:46 UTC)
Expired
Jul 16, 2021, 7:45 PM MDT
In force
59 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Tornado
Possible
Hail
2.0 in
Wind
70.0 mph

Counties Cherry County, NE, Sheridan County, NE

The radar

The Rapid City radar (KUDX), 148 km from the middle of the area, began a volume at 00:47 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
Jul 16, 7:43 PM MDTHAIL 16 N Gordon, NE
Jul 16, 7:47 PM MDTTSTM WND GST 555 E Gordon, NEBLOWING DUST/DIRT. REPORT VIA NWS CHAT.

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
Jul 16, 3:55 PM MDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.8 hours before the alert went out and 144 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, Rapid City, SD at 00:00Z on 2021-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Rapid City, SD at 00:00Z on 2021-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3551 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

728 
WUUS53 KLBF 170046
SVRLBF
NEC031-161-170145-
/O.NEW.KLBF.SV.W.0098.210717T0046Z-210717T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
646 PM MDT Fri Jul 16 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Northwestern Cherry County in north central Nebraska...
  Northeastern Sheridan County in the Panhandle of Nebraska...

* Until 745 PM MDT.

* At 645 PM MDT, a severe thunderstorm was located near Manderson, or
  9 miles northeast of Pine Ridge, moving southeast at 30 mph.

  HAZARD...Two inch 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...
  Gordon, Rushville, White Clay, Clinton, Intersection of Highway 87
  and Craven Creek Road, Lone Butte, Irwin, Intersection of Highway
  87 and Larabee Road, Mount Maria, Intersection of Highway 20 and 
  Irwin Road, Shell Lake, Bayonne, Intersection of Highway 27 and 
  Mills Road, Pine Ridge and Hoover Lake.

This includes the following highways...
 Highway 20 between mile markers 85 and 127.
 Highway 250 between mile markers 45 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm is producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows!

This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter such as an interior room, a
bathroom, closet or basement.

&&

LAT...LON 4300 10185 4280 10185 4263 10257 4300 10265
TIME...MOT...LOC 0045Z 320DEG 28KT 4316 10247 

TORNADO...POSSIBLE
HAIL...2.00IN
WIND...70MPH
 
$$

CDC
1 follow-up statement
005 
WWUS53 KLBF 170120
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
720 PM MDT Fri Jul 16 2021

NEC031-161-170145-
/O.CON.KLBF.SV.W.0098.000000T0000Z-210717T0145Z/
Cherry NE-Sheridan NE-
720 PM MDT Fri Jul 16 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR NORTHWESTERN CHERRY AND NORTHEASTERN SHERIDAN COUNTIES...

At 719 PM MDT, severe thunderstorms were located along a line
extending from near Batesland to 10 miles northwest of Hay Springs,
moving south at 25 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...
Gordon, Rushville, White Clay, Clinton, Intersection of Highway 87
and Craven Creek Road, Lone Butte, Irwin, Intersection of Highway 87
and Larabee Road, Mount Maria, Bayonne, Pine Ridge and Hoover Lake.

This includes the following highways...
 Highway 20 between mile markers 85 and 127.
 Highway 250 between mile markers 45 and 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

These storms are producing destructive winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4300 10185 4280 10185 4263 10257 4300 10265
TIME...MOT...LOC 0119Z 338DEG 22KT 4307 10211 4282 10278 

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

CDC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:13 PM MDTSevere Thunderstorm WarningLBFSheridan32 min
Jul 16, 7:42 PM MDTSevere Thunderstorm WarningLBFCherry, Sheridan63 min
Jul 16, 8:29 PM MDTSpecial Weather StatementLBFCherry46 min
Jul 16, 8:44 PM MDTSpecial Weather StatementLBFSheridan31 min
Jul 16, 9:13 PM MDTSpecial Weather StatementLBFCherry62 min
Jul 16, 9:15 PM MDTSpecial Weather StatementLBFArthur, Grant, Hooker60 min
Jul 16, 9:42 PM MDTSpecial Weather StatementLBFSheridan33 min
Jul 16, 10:11 PM MDTSpecial Weather StatementLBFBlaine, Brown, Logan, Thomas64 min
Jul 16, 10:14 PM MDTSpecial Weather StatementLBFArthur, Keith, McPherson61 min
Jul 16, 10:15 PM MDTSpecial Weather StatementLBFSheridan60 min
Jul 16, 10:26 PM MDTSpecial Weather StatementLBFGrant49 min
Jul 16, 11:10 PM MDTSpecial Weather StatementLBFArthur65 min
Jul 16, 11:12 PM MDTSpecial Weather StatementLBFBlaine63 min
Jul 16, 11:31 PM MDTSpecial Weather StatementLBFLincoln44 min
Jul 17, 12:07 AM MDTSpecial Weather StatementLBFCuster, Loup38 min
Jul 17, 12:12 AM MDTSpecial Weather StatementLBFLincoln63 min
Jul 17, 12:15 AM MDTSpecial Weather StatementLBFArthur45 min
Jul 17, 1:11 AM MDTSpecial Weather StatementLBFFrontier64 min
Jul 17, 1:13 AM MDTSpecial Weather StatementLBFGarfield, Wheeler62 min
Jul 17, 1:55 AM MDTAreal Flood AdvisoryLBFFrontier58 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.