Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 92, NWS North Platte, NE

July 9, 2021Holt County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 2021, 9:50 PM CDT for Holt County, Nebraska. It was in force for 40 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: Jul 9, 2021, 9:50 PM CDT (02:50 UTC)
Expired: Jul 9, 2021, 10:30 PM CDT
In force: 40 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Holt County, NE

The radar

The North Platte radar (KLNX), 178 km from the middle of the area, began a volume at 02:52 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.

Issued	Product	Office	Lasted
Jul 9, 9:06 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 2.8 hours before the alert went out and 206 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2603 J/kg
Mixed-layer CIN: -130 J/kg
Mixed-layer LCL: 1447 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 8.1

Open this sounding in Storm Lab

The text

As transmitted.

642 
WUUS53 KLBF 100250
SVRLBF
NEC089-100330-
/O.NEW.KLBF.SV.W.0092.210710T0250Z-210710T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
950 PM CDT Fri Jul 9 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Southeastern Holt County in north central Nebraska...

* Until 1030 PM CDT.

* At 950 PM CDT, a severe thunderstorm was located 7 miles west of
  Ewing, or 18 miles southeast of O'neill, moving southeast at 20
  mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Ewing, Page, Inman, Knievels Corner and Goose Lake State Wildlife
  Management Area.

This includes the following highways...
 Highway 20 between mile markers 313 and 328.
 Highway 281 between mile markers 159 and 165.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4210 9868 4253 9855 4255 9831 4253 9830
      4209 9830
TIME...MOT...LOC 0250Z 293DEG 19KT 4222 9849 

HAIL...1.25IN
WIND...60MPH
 
$$

Roberg

2 follow-up statements

243 
WWUS53 KLBF 100304
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1004 PM CDT Fri Jul 9 2021

NEC089-100330-
/O.CON.KLBF.SV.W.0092.000000T0000Z-210710T0330Z/
Holt NE-
1004 PM CDT Fri Jul 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM CDT
FOR SOUTHEASTERN HOLT COUNTY...

At 1004 PM CDT, a severe thunderstorm was located over Ewing, or 19
miles southeast of O'neill, moving east at 50 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...
Ewing, Page, Inman, Knievels Corner and Goose Lake State Wildlife
Management Area.

This includes the following highways...
 Highway 20 between mile markers 313 and 328.
 Highway 281 between mile markers 159 and 165.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4210 9868 4253 9855 4255 9831 4253 9830
      4209 9830
TIME...MOT...LOC 0304Z 287DEG 42KT 4228 9835 

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

Roberg

662 
WWUS53 KLBF 100327
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1027 PM CDT Fri Jul 9 2021

NEC089-100337-
/O.EXP.KLBF.SV.W.0092.000000T0000Z-210710T0330Z/
Holt NE-
1027 PM CDT Fri Jul 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOLT COUNTY WILL
EXPIRE AT 1030 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds and heavy rain are still
possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
north central Nebraska.

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

LAT...LON 4210 9868 4253 9855 4255 9831 4253 9830
      4209 9830
TIME...MOT...LOC 0327Z 293DEG 19KT 4223 9820 

$$

Roberg

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 7:01 PM CDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	44 min
Jul 9, 7:45 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant	45 min
Jul 9, 7:49 PM CDT	Special Weather Statement	LBF	Blaine	26 min
Jul 9, 8:06 PM CDT	Special Weather Statement	LBF	McPherson	24 min
Jul 9, 8:11 PM CDT	Special Weather Statement	LBF	Loup	34 min
Jul 9, 8:30 PM CDT	Special Weather Statement	LBF	Loup	45 min
Jul 9, 8:31 PM CDT	Special Weather Statement	LBF	McPherson	29 min
Jul 9, 8:45 PM CDT	Special Weather Statement	LBF	Custer	30 min
Jul 9, 8:58 PM CDT	Severe Thunderstorm Warning	LBF	Custer	47 min
Jul 9, 8:59 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	46 min
Jul 9, 9:02 PM CDT	Severe Thunderstorm Warning	LBF	Custer	43 min
Jul 9, 9:04 PM CDT	Special Weather Statement	LBF	Holt	41 min
Jul 9, 9:08 PM CDT	Special Weather Statement	LBF	Wheeler	52 min
Jul 9, 9:23 PM CDT	Severe Thunderstorm Warning	LBF	Holt	52 min
Jul 9, 9:27 PM CDT	Severe Thunderstorm Warning	LBF	Custer	33 min
Jul 9, 9:39 PM CDT	Special Weather Statement	LBF	Holt	36 min
Jul 9, 9:42 PM CDT	Severe Thunderstorm Warning	LBF	Custer	48 min
Jul 9, 10:31 PM CDT	Severe Thunderstorm Warning	LBF	Sheridan	59 min
Jul 9, 11:05 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Garden, Grant, Sheridan	55 min
Jul 9, 11:21 PM CDT	Special Weather Statement	LBF	Sheridan	39 min
Jul 9, 11:53 PM CDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Garden, Grant, Hooker, Keith and 3 more	67 min
Jul 9, 11:57 PM CDT	Tornado Warning	LBF	Arthur, Grant, Hooker, McPherson	33 min
Jul 10, 12:45 AM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Hooker, Lincoln, Logan, McPherson and 1 more	60 min
Jul 10, 1:20 AM CDT	Special Weather Statement	LBF	Lincoln	40 min
Jul 10, 1:42 AM CDT	Special Weather Statement	LBF	Custer	48 min
Jul 10, 2:18 AM CDT	Special Weather Statement	LBF	Lincoln	42 min
Jul 10, 2:22 AM CDT	Severe Thunderstorm Warning	LBF	Lincoln	53 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2021 Every 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.