Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

July 3, 2021Cherry County, Nebraska

NWS North Platte, NE issued this special weather statement at Jul 3, 2021, 9:10 PM MDT for Cherry County, Nebraska. It was in force for 50 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, 9:10 PM MDT (03:10 UTC)
Expired
Jul 3, 2021, 10:00 PM MDT
In force
50 min
Issued by
NWS North Platte, NE

County Cherry County, NE

The radar

The North Platte radar (KLNX), 82 km from the middle of the area, began a volume at 03:13 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.2 hours before the alert went out and 173 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 00:00Z on 2021-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 854 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 00:00Z on 2021-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
854 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1967 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

Open this sounding in Storm Lab

The text

As transmitted.

856 
WWUS83 KLBF 040310
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
1010 PM CDT Sat Jul 3 2021
 
NEZ005-094-040400-
Eastern Cherry NE-Western Cherry NE-
1010 PM CDT Sat Jul 3 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CHERRY COUNTY UNTIL
1100 PM CDT/1000 PM MDT/...

At 1010 PM CDT/910 PM MDT/, Doppler radar was tracking a strong
thunderstorm near Merritt Reservoir, or 22 miles southwest of
Valentine, moving east at 15 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Merritt Reservoir, Highway 97 crossing the Niobrara River, Anderson
Bridge State Wildlife Management Area, Big Alkali Lake State Wildlife
Management Area and Schlagel Creek State Wildlife Management Area.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT/1000
PM MDT/ for north central Nebraska.

LAT...LON 4259 10104 4281 10102 4285 10054 4252 10055
TIME...MOT...LOC 0310Z 272DEG 13KT 4270 10094 

$$

Buttler

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 6:23 PM MDTSevere Thunderstorm WarningLBFCherry67 min
Jul 3, 6:30 PM MDTSpecial Weather StatementLBFGarden45 min
Jul 3, 6:58 PM MDTSpecial Weather StatementLBFSheridan47 min
Jul 3, 7:08 PM MDTSevere Thunderstorm WarningLBFCherry55 min
Jul 3, 7:50 PM MDTSpecial Weather StatementLBFCherry40 min
Jul 3, 8:19 PM MDTSpecial Weather StatementLBFCherry41 min
Jul 3, 8:30 PM MDTSpecial Weather StatementLBFCherry45 min
Jul 3, 8:56 PM MDTSpecial Weather StatementLBFHooker49 min
Jul 3, 9:51 PM MDTSpecial Weather StatementLBFKeya Paha39 min
Jul 3, 9:53 PM MDTSpecial Weather StatementLBFThomas52 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.