Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS North Platte, NE

June 10, 2018Wheeler County, Nebraska

NWS North Platte, NE issued this special weather statement at Jun 10, 2018, 2:08 AM CDT for Wheeler County, Nebraska. It was in force for 52 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 10, 2018, 2:08 AM CDT (07:08 UTC)
Expired: Jun 10, 2018, 3:00 AM CDT
In force: 52 min
Issued by: NWS North Platte, NE

County Wheeler County, NE

The radar

The North Platte radar (KLNX), 165 km from the middle of the area, began a volume at 07:12 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, 7.1 hours before the alert went out and 200 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: 2133 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 2046 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 10.9

Open this sounding in Storm Lab

The text

As transmitted.

719 
WWUS83 KLBF 100708
SPSLBF

Special Weather Statement
National Weather Service North Platte NE
208 AM CDT SUN JUN 10 2018
 
NEZ010-028-029-100800-
Wheeler NE-Holt NE-Garfield NE-
208 AM CDT SUN JUN 10 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN GARFIELD...
SOUTHEASTERN HOLT AND NORTHWESTERN WHEELER COUNTIES UNTIL 300 AM
CDT...

At 208 AM CDT, Doppler radar was tracking a strong thunderstorm 8
miles southeast of Chambers, or 25 miles south of O'neill, moving
northeast at 20 mph.

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

Locations impacted include...
Buffalo Flats and Goose Lake State Wildlife Management Area. 

This includes Highway 281 between mile markers 152 and 166.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4198 9864 4211 9880 4229 9854 4217 9831
TIME...MOT...LOC 0708Z 228DEG 15KT 4210 9865 

$$

ET

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 12:29 AM CDT	Special Weather Statement	LBF	Garfield, Loup	46 min
Jun 10, 12:47 AM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	28 min
Jun 10, 1:06 AM CDT	Special Weather Statement	LBF	Garfield	39 min
Jun 10, 1:11 AM CDT	Special Weather Statement	LBF	Garfield, Wheeler	49 min
Jun 10, 1:42 AM CDT	Special Weather Statement	LBF	Holt	48 min
Jun 10, 2:30 AM CDT	Special Weather Statement	LBF	Holt	45 min
Jun 10, 5:59 PM CDT	Special Weather Statement	LBF	Sheridan	46 min

Nearby

Special Weather Statements in Nebraska, 2018 Every special weather statement in 2018

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.