Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 58, NWS North Platte, NE

June 23, 2021Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 23, 2021, 4:22 PM MDT for Cherry County, Nebraska. It was in force for 38 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
Jun 23, 2021, 4:22 PM MDT (22:22 UTC)
Expired
Jun 23, 2021, 5:00 PM MDT
In force
38 min
Issued by
NWS North Platte, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Cherry County, NE

The radar

The North Platte radar (KLNX), 95 km from the middle of the area, began a volume at 22:22 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 23, 3:40 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 10.4 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, N. Platte/Lee Bi, NE at 12:00Z on 2021-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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 12:00Z on 2021-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
211 J/kg
Mixed-layer CIN
-469 J/kg
Mixed-layer LCL
2679 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

492 
WUUS53 KLBF 232222
SVRLBF
NEC031-232300-
/O.NEW.KLBF.SV.W.0058.210623T2222Z-210623T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service North Platte NE
522 PM CDT Wed Jun 23 2021

The National Weather Service in North Platte has issued a

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

* Until 600 PM CDT.

* At 521 PM CDT, a severe thunderstorm was located near Valentine,
  moving east at 15 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...
  Valentine, Wood Lake, Highway 97 crossing the Niobrara River and
  Schlagel Creek State Wildlife Management Area.

This includes the following highways...
 Highway 20 between mile markers 193 and 222.
 Highway 97 between mile markers 135 and 141.
 Highway 83 between mile markers 200 and 216.
 Highway 12 between mile markers 1 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4287 10020 4278 10020 4278 10018 4274 10018
      4261 10022 4274 10068 4291 10062
TIME...MOT...LOC 2221Z 283DEG 15KT 4281 10056 

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

Taylor
1 follow-up statement
041 
WWUS53 KLBF 232235
SVSLBF

Severe Weather Statement
National Weather Service North Platte NE
535 PM CDT Wed Jun 23 2021

NEC031-232300-
/O.CON.KLBF.SV.W.0058.000000T0000Z-210623T2300Z/
Cherry NE-
535 PM CDT Wed Jun 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHEASTERN CHERRY COUNTY...

At 535 PM CDT, a severe thunderstorm was located 9 miles southeast of
Valentine, moving southeast at 20 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...
Wood Lake.

This includes the following highways...
 Highway 20 between mile markers 200 and 222.
 Highway 83 between mile markers 200 and 207.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4271 10058 4289 10049 4287 10021 4278 10020
      4278 10018 4274 10018 4261 10022
TIME...MOT...LOC 2235Z 294DEG 19KT 4275 10045 

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

Taylor

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 3:51 PM MDTSpecial Weather StatementLBFKeya Paha39 min
Jun 23, 4:19 PM MDTSevere Thunderstorm WarningLBFKeya Paha41 min
Jun 23, 4:58 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha, Rock47 min
Jun 23, 4:59 PM MDTSevere Thunderstorm WarningLBFBrown, Cherry46 min
Jun 23, 5:05 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt, Keya Paha23 min
Jun 23, 5:45 PM MDTSevere Thunderstorm WarningLBFBrown, Rock17 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.