Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS North Platte, NE

July 10, 2021Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 10, 2021, 2:22 AM CDT for Lincoln County, Nebraska. It was in force for 53 min. 7 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 10, 2021, 2:22 AM CDT (07:22 UTC)
Expired
Jul 10, 2021, 3:15 AM CDT
In force
53 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

County Lincoln County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 07:22 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 10, 2:27 AM CDTTSTM WND DMG1 Sw North Platte, NESEVERAL TREES UPROOTED
Jul 10, 2:28 AM CDTTSTM WND DMG1 Wsw North Platte, NE4 INCH DIAMETER TREE DOWNED.
Jul 10, 2:30 AM CDTTSTM WND GST 693 E North Platte, NESUSTAINED AT 50 MPH GUSTING TO 69 MPH ON THE BACKSIDE OF A THUNDERSTORM COMPLEX.
Jul 10, 2:38 AM CDTTSTM WND DMG1 E North Platte, NEDELAYED REPORT - ABOUT 6 IN DIAMETER TREE LIMBS TORN OFF AND BLOWN ABOUT A BLOCK JUST EAST OF TOWN TIME ESTIMATED VIA RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMG2 N North Platte, NEDELAYED REPORT LARGE BRANCHES AND TREES BROKEN OFF OR BLOWN OVER AT CODY PARK VIA WCM TIME ESTIMATED VIA RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMG3 E North Platte, NEDELAYED REPORT - LARGE STEEL DUMPSTER BLOWN OVER AT LBF TIME ESTIMATED FROM RADAR.
Jul 10, 2:38 AM CDTTSTM WND DMGNorth Platte, NEDELAYED REPORT - 200 LB TRAMPOLINE PICKED UP AND BLOWN OVER ABOUT 3FT FENCE AND MOVED ABOUT HALF BLOCK TIME ESTIMATED FROM RADAR.

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 9, 9:06 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.4 hours before the alert went out and 21 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 2021-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2799 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 2021-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2799 J/kg
Mixed-layer CIN
-162 J/kg
Mixed-layer LCL
1859 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

597 
WUUS53 KLBF 100722
SVRLBF
NEC111-100815-
/O.NEW.KLBF.SV.W.0097.210710T0722Z-210710T0815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
222 AM CDT Sat Jul 10 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Eastern Lincoln County in southwestern Nebraska...

* Until 315 AM CDT.

* At 222 AM CDT, a severe thunderstorm was located over North Platte,
  moving southeast at 40 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  North Platte, Brady, Maxwell, Lake Maloney State Recreation Area,
  North Platte Airport, Keith, Cottonwood Canyon State Wildlife
  Management Area, Jeffrey Canyon State Wildlife Management Area and
  Birdwood.

This includes the following highways...
 Highway 97 between mile markers 1 and 5.
 Interstate 80 in Nebraska between mile markers 170 and 207.
 Highway 83 between mile markers 74 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4072 10029 4111 10093 4126 10081 4113 10024
      4087 10023
TIME...MOT...LOC 0722Z 302DEG 33KT 4115 10079 

HAIL...<.75IN
WIND...70MPH
 
$$

Buttler
3 follow-up statements
718 
WWUS53 KLBF 100738
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
238 AM CDT Sat Jul 10 2021

NEC111-100815-
/O.CON.KLBF.SV.W.0097.000000T0000Z-210710T0815Z/
Lincoln NE-
238 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR EASTERN LINCOLN COUNTY...

At 238 AM CDT, a severe thunderstorm was located near Maxwell, or 16
miles southeast of North Platte, moving southeast at 35 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
North Platte, Brady, Maxwell, Lake Maloney State Recreation Area,
North Platte Airport, Keith, Cottonwood Canyon State Wildlife
Management Area, Jeffrey Canyon State Wildlife Management Area and
Birdwood.

This includes the following highways...
 Highway 97 between mile markers 1 and 5.
 Interstate 80 in Nebraska between mile markers 170 and 207.
 Highway 83 between mile markers 74 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4072 10029 4111 10093 4126 10081 4113 10024
      4087 10023
TIME...MOT...LOC 0738Z 299DEG 31KT 4102 10050 

HAIL...<.75IN
WIND...70MPH
 
$$

Buttler
836 
WWUS53 KLBF 100753
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
253 AM CDT Sat Jul 10 2021

NEC111-100815-
/O.CON.KLBF.SV.W.0097.000000T0000Z-210710T0815Z/
Lincoln NE-
253 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR EASTERN LINCOLN COUNTY...

At 252 AM CDT, a severe thunderstorm was located near Brady, or 24
miles north of Curtis, moving southeast at 35 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
North Platte, Brady, Maxwell, Lake Maloney State Recreation Area,
North Platte Airport, Keith, Cottonwood Canyon State Wildlife
Management Area, Jeffrey Canyon State Wildlife Management Area and
Birdwood.

This includes the following highways...
 Highway 97 between mile markers 1 and 5.
 Interstate 80 in Nebraska between mile markers 170 and 207.
 Highway 83 between mile markers 74 and 91.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4072 10029 4111 10093 4126 10081 4113 10024
      4087 10023
TIME...MOT...LOC 0752Z 298DEG 30KT 4097 10036 

HAIL...<.75IN
WIND...70MPH
 
$$

Buttler
874 
WWUS53 KLBF 100816
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
316 AM CDT Sat Jul 10 2021

NEC111-100826-
/O.EXP.KLBF.SV.W.0097.000000T0000Z-210710T0815Z/
Lincoln NE-
316 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LINCOLN COUNTY HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However gusty
winds up to 50 MPH are still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
North Platte.

LAT...LON 4072 10029 4111 10093 4126 10081 4113 10024
      4087 10023
TIME...MOT...LOC 0816Z 302DEG 33KT 4086 10012 

$$

Buttler

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 7:01 PM CDTSevere Thunderstorm WarningLBFGarden, Sheridan44 min
Jul 9, 7:45 PM CDTSevere Thunderstorm WarningLBFArthur, Garden, Grant45 min
Jul 9, 7:49 PM CDTSpecial Weather StatementLBFBlaine26 min
Jul 9, 8:06 PM CDTSpecial Weather StatementLBFMcPherson24 min
Jul 9, 8:11 PM CDTSpecial Weather StatementLBFLoup34 min
Jul 9, 8:30 PM CDTSpecial Weather StatementLBFLoup45 min
Jul 9, 8:31 PM CDTSpecial Weather StatementLBFMcPherson29 min
Jul 9, 8:45 PM CDTSpecial Weather StatementLBFCuster30 min
Jul 9, 8:58 PM CDTSevere Thunderstorm WarningLBFCuster47 min
Jul 9, 8:59 PM CDTSevere Thunderstorm WarningLBFCuster, Lincoln, Logan46 min
Jul 9, 9:02 PM CDTSevere Thunderstorm WarningLBFCuster43 min
Jul 9, 9:04 PM CDTSpecial Weather StatementLBFHolt41 min
Jul 9, 9:08 PM CDTSpecial Weather StatementLBFWheeler52 min
Jul 9, 9:23 PM CDTSevere Thunderstorm WarningLBFHolt52 min
Jul 9, 9:27 PM CDTSevere Thunderstorm WarningLBFCuster33 min
Jul 9, 9:39 PM CDTSpecial Weather StatementLBFHolt36 min
Jul 9, 9:42 PM CDTSevere Thunderstorm WarningLBFCuster48 min
Jul 9, 9:50 PM CDTSevere Thunderstorm WarningLBFHolt40 min
Jul 9, 10:31 PM CDTSevere Thunderstorm WarningLBFSheridan59 min
Jul 9, 11:05 PM CDTSevere Thunderstorm WarningLBFArthur, Cherry, Garden, Grant, Sheridan55 min
Jul 9, 11:21 PM CDTSpecial Weather StatementLBFSheridan39 min
Jul 9, 11:53 PM CDTSevere Thunderstorm WarningLBFArthur, Cherry, Garden, Grant, Hooker, Keith and 3 more67 min
Jul 9, 11:57 PM CDTTornado WarningLBFArthur, Grant, Hooker, McPherson33 min
Jul 10, 12:45 AM CDTSevere Thunderstorm WarningLBFBlaine, Custer, Hooker, Lincoln, Logan, McPherson and 1 more60 min
Jul 10, 1:20 AM CDTSpecial Weather StatementLBFLincoln40 min
Jul 10, 1:42 AM CDTSpecial Weather StatementLBFCuster48 min
Jul 10, 2:18 AM CDTSpecial Weather StatementLBFLincoln42 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.