Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS Cheyenne, WY

July 3, 2021Kimball County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Jul 3, 2021, 3:42 PM MDT for Kimball County, Nebraska. It was in force for 48 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 3, 2021, 3:42 PM MDT (21:42 UTC)
Expired
Jul 3, 2021, 4:30 PM MDT
In force
48 min
Issued by
NWS Cheyenne, WY

County Kimball County, NE

The radar

The Cheyenne radar (KCYS), 79 km from the middle of the area, began a volume at 21:42 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

Denver, CO (KDNR), launched 12:00Z, 9.7 hours before the alert went out and 162 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, Denver, CO at 12:00Z on 2021-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Denver, CO at 12:00Z on 2021-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2605 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

551 
WWUS85 KCYS 032142
SPSCYS

Special Weather Statement
National Weather Service Cheyenne WY
342 PM MDT Sat Jul 3 2021
 
NEZ054-032230-
Kimball NE-
342 PM MDT Sat Jul 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KIMBALL COUNTY UNTIL 430
PM MDT...

At 341 PM MDT, Doppler radar was tracking a strong thunderstorm near
Oliver Campground, or 11 miles west of Kimball, moving east at 20
mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Oliver Campground around 350 PM MDT.
  Oliver Reservoir around 355 PM MDT.
  Kimball and Kimball Airport around 415 PM MDT.

Other locations impacted by this storm include Bushnell.

This includes Interstate 80 in Nebraska between mile markers 4 and
23.
 
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
the Panhandle of Nebraska.

LAT...LON 4122 10404 4138 10403 4138 10361 4103 10362
TIME...MOT...LOC 2141Z 284DEG 18KT 4126 10388 

$$

Rubin

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 2, 6:22 PM MDTSpecial Weather StatementCYS38 min
Jul 2, 6:30 PM MDTSevere Thunderstorm WarningCYSNiobrara30 min
Jul 2, 6:44 PM MDTSpecial Weather StatementCYSPlatte46 min
Jul 2, 7:00 PM MDTSevere Thunderstorm WarningCYSGoshen, Niobrara, Platte60 min
Jul 2, 7:05 PM MDTSpecial Weather StatementCYSNiobrara40 min
Jul 2, 7:47 PM MDTSevere Thunderstorm WarningCYSGoshen36 min
Jul 3, 12:27 PM MDTSpecial Weather StatementCYSPlatte48 min
Jul 3, 12:35 PM MDTSpecial Weather StatementCYSLaramie40 min
Jul 3, 1:47 PM MDTSpecial Weather StatementCYSLaramie43 min
Jul 3, 2:42 PM MDTSpecial Weather StatementCYSGoshen48 min
Jul 3, 3:01 PM MDTSevere Thunderstorm WarningCYSGoshen30 min
Jul 3, 3:06 PM MDTSpecial Weather StatementCYSBox Butte39 min
Jul 3, 3:48 PM MDTSevere Thunderstorm WarningCYSKimball31 min
Jul 3, 3:51 PM MDTSpecial Weather StatementCYSBanner39 min
Jul 3, 3:57 PM MDTSpecial Weather StatementCYSCheyenne48 min
Jul 3, 4:18 PM MDTSevere Thunderstorm WarningCYSCheyenne57 min
Jul 3, 4:43 PM MDTSpecial Weather StatementCYSCheyenne47 min
Jul 3, 4:43 PM MDTSevere Thunderstorm WarningCYSDawes47 min
Jul 3, 4:46 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes, Sioux28 min
Jul 3, 5:03 PM MDTSpecial Weather StatementCYSMorrill42 min
Jul 3, 5:15 PM MDTSpecial Weather StatementCYSDawes30 min
Jul 3, 5:21 PM MDTSpecial Weather StatementCYSCheyenne39 min
Jul 3, 5:29 PM MDTSpecial Weather StatementCYSDawes31 min
Jul 3, 5:40 PM MDTSpecial Weather StatementCYSMorrill50 min

Nearby

Special Weather Statements in Nebraska, 2021Every special weather statement 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.