Alert archive / Nebraska / Special Weather Statements in 2021

Special Weather Statement, NWS North Platte, NE

August 24, 2021Cherry County, Nebraska

NWS North Platte, NE issued this special weather statement at Aug 24, 2021, 1:08 AM MDT for Cherry County, Nebraska. It was in force for 52 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: Aug 24, 2021, 1:08 AM MDT (07:08 UTC)
Expired: Aug 24, 2021, 2:00 AM MDT
In force: 52 min
Issued by: NWS North Platte, NE
Hail: 0.75 in
Wind: 50

County Cherry County, NE

The radar

The North Platte radar (KLNX), 50 km from the middle of the area, began a volume at 07:07 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
Aug 24, 1:43 AM MDT	TSTM WND GST 60	32 S Valentine, NE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.1 hours before the alert went out and 136 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: 3149 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 1874 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

As transmitted.

534 
WWUS83 KLBF 240708
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
208 AM CDT Tue Aug 24 2021
 
NEZ005-094-240800-
Eastern Cherry NE-Western Cherry NE-
208 AM CDT Tue Aug 24 2021

...A strong thunderstorm will impact portions of southeastern Cherry
County through 300 AM CDT/200 AM MDT/...

At 207 AM CDT/107 AM MDT/, Doppler radar was tracking a strong
thunderstorm 21 miles southwest of Merritt Reservoir, or 22 miles
north of Mullen, moving east at 25 mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

This includes the following highways...
 Highway 97 between mile markers 81 and 105.
 Highway 83 between mile markers 166 and 187.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4223 10116 4246 10117 4255 10054 4221 10049
TIME...MOT...LOC 0707Z 267DEG 23KT 4236 10107 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

$$

Buttler

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 23, 7:55 PM MDT	Special Weather Statement	LBF	Sheridan	50 min
Aug 23, 8:54 PM MDT	Special Weather Statement	LBF	Cherry	51 min
Aug 23, 9:52 PM MDT	Special Weather Statement	LBF	Sheridan	38 min
Aug 23, 10:29 PM MDT	Special Weather Statement	LBF	Sheridan	46 min
Aug 24, 1:35 AM MDT	Severe Thunderstorm Warning	LBF	Brown, Cherry	55 min
Aug 24, 4:14 PM MDT	Special Weather Statement	LBF	Thomas	46 min
Aug 24, 4:53 PM MDT	Special Weather Statement	LBF	Logan	37 min
Aug 24, 4:59 PM MDT	Severe Thunderstorm Warning	LBF	Logan, Thomas	31 min
Aug 24, 5:29 PM MDT	Special Weather Statement	LBF	Logan	46 min

Nearby

Special Weather Statements in Nebraska, 2021 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.