Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 95, NWS North Platte, NE

July 9, 20219 counties in Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 9, 2021, 10:53 PM MDT for 9 counties in Nebraska. It was in force for 67 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: Jul 9, 2021, 10:53 PM MDT (04:53 UTC)
Expired: Jul 10, 2021, 12:00 AM MDT
In force: 67 min
Issued by: NWS North Platte, NE
Area: Storm-based polygon
Tornado: Possible
Hail: 1.0 in
Wind: 80.0 mph

Counties Arthur County, NE, Cherry County, NE, Garden County, NE, Grant County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE, Sheridan County, NE

The radar

The North Platte radar (KLNX), 94 km from the middle of the area, began a volume at 04:53 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

Time	Report	Where	Remark
Jul 9, 11:34 PM MDT	TSTM WND GST 66	17 Sse Whitman, 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.

Issued	Product	Office	Lasted
Jul 9, 2:16 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 9, 8:06 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.9 hours before the alert went out and 120 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: 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.

179 
WUUS53 KLBF 100453
SVRLBF
NEC005-031-069-075-091-101-111-117-161-100600-
/O.NEW.KLBF.SV.W.0095.210710T0453Z-210710T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
1153 PM CDT Fri Jul 9 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  Arthur County in west central Nebraska...
  Southwestern Cherry County in north central Nebraska...
  Grant County in west central Nebraska...
  Northern Keith County in southwestern Nebraska...
  Hooker County in west central Nebraska...
  Northwestern Lincoln County in southwestern Nebraska...
  Southeastern Garden County in the Panhandle of Nebraska...
  McPherson County in west central Nebraska...
  Southeastern Sheridan County in the Panhandle of Nebraska...

* Until 100 AM CDT/midnight MDT/.

* At 1153 PM CDT/1053 PM MDT/, severe thunderstorms were located
  along a line extending from 23 miles north of Ellsworth to near
  Ashby to 13 miles southwest of Hyannis to 17 miles north of
  Lewellen to near Oshkosh, moving east at 60 mph.

  These are very dangerous storms.

  HAZARD...80 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be heavily damaged. Expect 
           considerable damage to roofs, windows, and vehicles. 
           Extensive tree damage and power outages are likely.

* Locations impacted include...
  Oshkosh, Mullen, Arthur, Tryon, Lewellen, Hyannis, Kingsley Dam,
  Whitman, Keystone, Ashby, Lemoyne, Big Hill, Dogtown Flats, Dipping
  Vat Meadow, Intersection of Highway 61 and Survey Valley Road,
  Whitman Road crossing the North Branch of the Middle Loup River,
  Pratt Lake, Sevenmile Hill, Shimmons Lake and Ruthon.

This includes the following highways...
 Highway 2 between mile markers 121 and 184.
 Highway 61 between mile markers 95 and 185.
 Highway 92 between mile markers 115 and 204.
 Highway 97 between mile markers 32 and 67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4144 10258 4163 10233 4189 10223
      4209 10223 4246 10240
TIME...MOT...LOC 0453Z 283DEG 53KT 4239 10216 4208 10191 4184 10189
4158 10205 4146 10240

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...80MPH
 
$$

Buttler

4 follow-up statements

268 
WWUS53 KLBF 100509
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1209 AM CDT Sat Jul 10 2021

NEC005-031-069-075-091-101-111-117-161-100600-
/O.CON.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Arthur NE-Cherry NE-Grant NE-Keith NE-Hooker NE-Lincoln NE-Garden NE-
McPherson NE-Sheridan NE-
1209 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR ARTHUR...SOUTHWESTERN CHERRY...GRANT...NORTHERN
KEITH...HOOKER...NORTHWESTERN LINCOLN...EASTERN GARDEN...MCPHERSON
AND SOUTHEASTERN SHERIDAN COUNTIES...

At 1208 AM CDT/1108 PM MDT/, severe thunderstorms were located along
a line extending from 22 miles north of Ashby to near Whitman to 15
miles southeast of Hyannis to near Arthur to near Lewellen, moving
east at 60 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Oshkosh, Mullen, Arthur, Tryon, Lewellen, Hyannis, Kingsley Dam,
Whitman, Keystone, Ashby, Lemoyne, Big Hill, Dipping Vat Meadow,
Intersection of Highway 61 and Survey Valley Road, Whitman Road
crossing the North Branch of the Middle Loup River, Pratt Lake,
Sevenmile Hill, Shimmons Lake, Ruthon and Haythorn Lake.

This includes the following highways...
 Highway 2 between mile markers 126 and 184.
 Highway 61 between mile markers 95 and 185.
 Highway 92 between mile markers 115 and 204.
 Highway 97 between mile markers 32 and 67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4140 10243 4161 10227 4187 10217
      4208 10214 4243 10221
TIME...MOT...LOC 0508Z 281DEG 52KT 4234 10188 4204 10165 4180 10162
4153 10174 4137 10213

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...80MPH
 
$$

Buttler

489 
WWUS53 KLBF 100521
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1221 AM CDT Sat Jul 10 2021

NEC161-100531-
/O.CAN.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Sheridan NE-
1221 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SHERIDAN COUNTY
IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT/200 AM
MDT/ for the Panhandle of, southwestern, north central and west
central Nebraska.

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4135 10223 4157 10209 4180 10198
      4203 10198 4240 10200
TIME...MOT...LOC 0521Z 284DEG 42KT 4232 10170 4201 10145 4177 10144
4149 10153 4126 10179

$$

NEC005-031-069-075-091-101-111-117-100600-
/O.CON.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Arthur NE-Cherry NE-Grant NE-Keith NE-Hooker NE-Lincoln NE-Garden NE-
McPherson NE-
1221 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR ARTHUR...SOUTHWESTERN CHERRY...GRANT...NORTHERN
KEITH...HOOKER...NORTHWESTERN LINCOLN...SOUTHEASTERN GARDEN AND
MCPHERSON COUNTIES...

At 1221 AM CDT/1121 PM MDT/, severe thunderstorms were located along
a line extending from 22 miles north of Hyannis to near Whitman to 9
miles southeast of Arthur to Lemoyne, moving east 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...
Mullen, Arthur, Tryon, Lewellen, Hyannis, Kingsley Dam, Whitman,
Keystone, Ashby, Lemoyne, Dipping Vat Meadow, Intersection of Highway
61 and Survey Valley Road, Whitman Road crossing the North Branch of
the Middle Loup River, Pratt Lake, Sevenmile Hill, Shimmons Lake,
Ruthon, Haythorn Lake, Lena and Sand Puddin Lake.

This includes the following highways...
 Highway 2 between mile markers 135 and 184.
 Highway 61 between mile markers 96 and 185.
 Highway 92 between mile markers 115 and 204.
 Highway 97 between mile markers 32 and 67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4135 10223 4157 10209 4180 10198
      4203 10198 4240 10200
TIME...MOT...LOC 0521Z 284DEG 42KT 4232 10170 4201 10145 4177 10144
4149 10153 4126 10179

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

Buttler

896 
WWUS53 KLBF 100531
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1231 AM CDT Sat Jul 10 2021

NEC069-100540-
/O.CAN.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Garden NE-
1231 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GARDEN COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT/200 AM
MDT/ for southwestern, north central and west central Nebraska.

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4130 10200 4153 10191 4176 10185
      4237 10185
TIME...MOT...LOC 0530Z 282DEG 53KT 4229 10156 4200 10133 4174 10128
4146 10137 4125 10165

$$

NEC005-031-075-091-101-111-117-100600-
/O.CON.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Arthur NE-Cherry NE-Grant NE-Keith NE-Hooker NE-Lincoln NE-
McPherson NE-
1231 AM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM
CDT/MIDNIGHT MDT/ FOR ARTHUR...SOUTHWESTERN CHERRY...GRANT...NORTHERN
KEITH...HOOKER...NORTHWESTERN LINCOLN AND MCPHERSON COUNTIES...

At 1230 AM CDT/1130 PM MDT/, severe thunderstorms were located along
a line extending from 22 miles northeast of Hyannis to 11 miles east
of Whitman to 21 miles northwest of Tryon to 18 miles southeast of
Arthur to near Kingsley Dam, moving east at 60 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...
Mullen, Arthur, Tryon, Hyannis, Whitman, Keystone, Kingsley Dam,
Lemoyne, Duluth, Flatts, Cogill Lake, Intersection of Highway 61 and
Survey Valley Road, Green Lake, Bucktail Lake, Whitman Road crossing
the North Branch of the Middle Loup River, Three Mile Lake, Pratt
Lake, Sevenmile Hill, Shimmons Lake and Carr Lake.

This includes the following highways...
 Highway 2 between mile markers 142 and 184.
 Highway 61 between mile markers 96 and 184.
 Highway 92 between mile markers 122 and 204.
 Highway 97 between mile markers 32 and 67.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4130 10200 4153 10191 4176 10185
      4237 10185
TIME...MOT...LOC 0530Z 282DEG 53KT 4229 10156 4200 10133 4174 10128
4146 10137 4125 10165

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

Buttler

643 
WWUS53 KLBF 100555
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
1255 AM CDT Sat Jul 10 2021

NEC005-031-075-091-101-111-117-100604-
/O.EXP.KLBF.SV.W.0095.000000T0000Z-210710T0600Z/
Arthur NE-Cherry NE-Grant NE-Keith NE-Hooker NE-Lincoln NE-
McPherson NE-
1255 AM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR ARTHUR...SOUTHWESTERN
CHERRY...GRANT...NORTHERN KEITH...HOOKER...NORTHWESTERN LINCOLN AND
MCPHERSON COUNTIES WILL EXPIRE AT 100 AM CDT/MIDNIGHT MDT/...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT/200 AM
MDT/ for southwestern, north central and west 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 4230 10124 4186 10090 4161 10090 4141 10106
      4117 10156 4130 10200 4153 10191 4176 10185
      4237 10185
TIME...MOT...LOC 0554Z 283DEG 53KT 4221 10111 4192 10088 4166 10083
4138 10092 4117 10120

$$

Buttler

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 6:01 PM MDT	Severe Thunderstorm Warning	LBF	Garden, Sheridan	44 min
Jul 9, 6:45 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Garden, Grant	45 min
Jul 9, 6:49 PM MDT	Special Weather Statement	LBF	Blaine	26 min
Jul 9, 7:06 PM MDT	Special Weather Statement	LBF	McPherson	24 min
Jul 9, 7:11 PM MDT	Special Weather Statement	LBF	Loup	34 min
Jul 9, 7:30 PM MDT	Special Weather Statement	LBF	Loup	45 min
Jul 9, 7:31 PM MDT	Special Weather Statement	LBF	McPherson	29 min
Jul 9, 7:45 PM MDT	Special Weather Statement	LBF	Custer	30 min
Jul 9, 7:58 PM MDT	Severe Thunderstorm Warning	LBF	Custer	47 min
Jul 9, 7:59 PM MDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	46 min
Jul 9, 8:02 PM MDT	Severe Thunderstorm Warning	LBF	Custer	43 min
Jul 9, 8:04 PM MDT	Special Weather Statement	LBF	Holt	41 min
Jul 9, 8:08 PM MDT	Special Weather Statement	LBF	Wheeler	52 min
Jul 9, 8:23 PM MDT	Severe Thunderstorm Warning	LBF	Holt	52 min
Jul 9, 8:27 PM MDT	Severe Thunderstorm Warning	LBF	Custer	33 min
Jul 9, 8:39 PM MDT	Special Weather Statement	LBF	Holt	36 min
Jul 9, 8:42 PM MDT	Severe Thunderstorm Warning	LBF	Custer	48 min
Jul 9, 8:50 PM MDT	Severe Thunderstorm Warning	LBF	Holt	40 min
Jul 9, 9:31 PM MDT	Severe Thunderstorm Warning	LBF	Sheridan	59 min
Jul 9, 10:05 PM MDT	Severe Thunderstorm Warning	LBF	Arthur, Cherry, Garden, Grant, Sheridan	55 min
Jul 9, 10:21 PM MDT	Special Weather Statement	LBF	Sheridan	39 min
Jul 9, 10:57 PM MDT	Tornado Warning	LBF	Arthur, Grant, Hooker, McPherson	33 min
Jul 9, 11:45 PM MDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Hooker, Lincoln, Logan, McPherson and 1 more	60 min
Jul 10, 12:20 AM MDT	Special Weather Statement	LBF	Lincoln	40 min
Jul 10, 12:42 AM MDT	Special Weather Statement	LBF	Custer	48 min
Jul 10, 1:18 AM MDT	Special Weather Statement	LBF	Lincoln	42 min
Jul 10, 1:22 AM MDT	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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.