Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 81, NWS North Platte, NE

July 7, 2021Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 7, 2021, 7:08 PM MDT for Cherry County, Nebraska. It was in force for 37 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 7, 2021, 7:08 PM MDT (01:08 UTC)
Expired
Jul 7, 2021, 7:45 PM MDT
In force
37 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 121 km from the middle of the area, began a volume at 01:11 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 nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 1.1 hours before the alert went out and 186 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 2021-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 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, Rapid City, SD at 00:00Z on 2021-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
767 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
2340 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

As transmitted.

703 
WUUS53 KLBF 080108
SVRLBF
NEC031-080145-
/O.NEW.KLBF.SV.W.0081.210708T0108Z-210708T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
708 PM MDT Wed Jul 7 2021

The National Weather Service in North Platte has issued a

* Severe Thunderstorm Warning for...
  West central Cherry County in north central Nebraska...

* Until 745 PM MDT.

* At 707 PM MDT, a severe thunderstorm was located 16 miles south of
  Merriman, or 23 miles east of Gordon, moving southeast at 30 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Intersection of Highway 61 and Shadbolt Road, Indian Hill, Highway
  61 crossing the Snake River and Round Lake.

This includes Highway 61 between mile markers 191 and 212.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4270 10193 4279 10179 4255 10137 4236 10167
TIME...MOT...LOC 0107Z 316DEG 24KT 4269 10178 

HAIL...1.50IN
WIND...60MPH
 
$$

Snively
2 follow-up statements
282 
WWUS53 KLBF 080125
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
725 PM MDT Wed Jul 7 2021

NEC031-080145-
/O.CON.KLBF.SV.W.0081.000000T0000Z-210708T0145Z/
Cherry NE-
725 PM MDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR WEST CENTRAL CHERRY COUNTY...

At 724 PM MDT, a severe thunderstorm was located 17 miles southwest
of Medicine Lake, or 27 miles southeast of Gordon, moving southeast
at 20 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Round Lake, Intersection of Highway 61 and Shadbolt Road and Highway
61 crossing the Snake River.

This includes Highway 61 between mile markers 191 and 209.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4264 10188 4273 10177 4255 10137 4236 10167
TIME...MOT...LOC 0124Z 327DEG 19KT 4262 10174 

HAIL...1.75IN
WIND...60MPH
 
$$

Snively
974 
WWUS53 KLBF 080135
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
735 PM MDT Wed Jul 7 2021

NEC031-080145-
/O.CON.KLBF.SV.W.0081.000000T0000Z-210708T0145Z/
Cherry NE-
735 PM MDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM MDT
FOR WEST CENTRAL CHERRY COUNTY...

At 734 PM MDT, a severe thunderstorm was located 17 miles southwest
of Medicine Lake, or 28 miles southeast of Gordon, moving southeast
at 25 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Round Lake and Highway 61 crossing the Snake River. 

This includes Highway 61 between mile markers 191 and 206.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4261 10185 4267 10174 4255 10137 4236 10167
TIME...MOT...LOC 0134Z 318DEG 20KT 4259 10173 

HAIL...2.00IN
WIND...60MPH
 
$$

Snively

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 6:55 PM MDTSpecial Weather StatementLBFCherry35 min
Jul 7, 7:44 PM MDTSevere Thunderstorm WarningLBFCherry27 min
Jul 7, 11:14 PM MDTSpecial Weather StatementLBFSheridan46 min
Jul 8, 4:53 AM MDTSpecial Weather StatementLBFRock37 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.