Alert archive / Nebraska / Special Weather Statements in 2018

Special Weather Statement, NWS North Platte, NE

June 11, 2018Cherry County, Nebraska

NWS North Platte, NE issued this special weather statement at Jun 11, 2018, 12:48 AM MDT for Cherry County, Nebraska. It was in force for 42 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 11, 2018, 12:48 AM MDT (06:48 UTC)
Expired
Jun 11, 2018, 1:30 AM MDT
In force
42 min
Issued by
NWS North Platte, NE

County Cherry County, NE

The radar

The North Platte radar (KLNX), 113 km from the middle of the area, began a volume at 06:50 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

Rapid City, SD (KRAP), launched 00:00Z, 6.8 hours before the alert went out and 187 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, Rapid City, SD at 00:00Z on 2018-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3540 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 00:00Z on 2018-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
3540 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1757 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.6
Supercell composite
7.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS North Platte, NE wrote its last area forecast discussion before this special weather statement went out at Jun 10, 10:59 PM MDT, 1 hour 49 minutes earlier.

Area forecast discussion, Jun 10, 10:59 PM MDT, 1 hour 49 minutes before
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Hazardous weather outlook, Jun 10, 2:37 PM MDT, 10 hours 11 minutes before
Hazardous Weather Outlook
National Weather Service North Platte NE
337 PM CDT Sun Jun 10 2018

NEZ004>010-022>029-035>038-056>059-069>071-094-112045-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
337 PM CDT Sun Jun 10 2018 /237 PM MDT Sun Jun 10 2018/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Isolated thunderstorms will affect portions of the northern
Sandhills this evening and tonight, primarily north of Highway 2.
A few of the storms may be capable of producing hail and strong
winds.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

Thunderstorms are possible Tuesday and Wednesday nights as well
as Friday. Stay tuned to later forecasts regarding severe
potential.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

kulik

In the hours before

Special weather statement, Jun 10, 7:31 PM MDT, 5 hours 17 minutes before
Special Weather Statement
National Weather Service North Platte NE
731 PM MDT SUN JUN 10 2018

NEZ004-110215-
Sheridan NE-
731 PM MDT SUN JUN 10 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN SHERIDAN COUNTY
UNTIL 815 PM MDT...

At 730 PM MDT, Doppler radar was tracking strong thunderstorms over
northwest Sheridan County, with one storm near White Clay, and one
storm near Rushville, moving northeast at 35 mph.

Dime size hail and winds in excess of 40 mph will be possible with
these storms.

Locations impacted include...
Rushville, White Clay, Clinton, Pine Ridge, Intersection of Highway
87 and Craven Creek Road, Metcalf State Wildlife Management Area,
Intersection of Highway 87 and Larabee Road and Mount Maria.

This includes the following highways...
 Highway 20 between mile markers 83 and 103.
 Highway 250 between mile markers 43 and 48.

LAT...LON 4300 10212 4269 10233 4259 10256 4300 10279
TIME...MOT...LOC 0130Z 221DEG 29KT 4295 10260

Snively
Local storm report, Jun 10, 8:04 PM MDT, 4 hours 44 minutes before
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Special weather statement, Jun 10, 8:30 PM MDT, 4 hours 18 minutes before
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Special weather statement, Jun 10, 11:02 PM MDT, 1 hour 46 minutes before
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Special weather statement, Jun 11, 12:07 AM MDT, 41 minutes before
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Special weather statement, Jun 11, 12:48 AM MDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:12 PM MDTSpecial Weather StatementLBFDawes18 min
Jun 10, 7:31 PM MDTSpecial Weather StatementLBFSheridan44 min
Jun 10, 7:42 PM MDTSevere Thunderstorm WarningLBFSheridan48 min
Jun 10, 8:30 PM MDTSpecial Weather StatementLBFSheridan45 min
Jun 10, 11:02 PM MDTSpecial Weather StatementLBFSheridan43 min
Jun 11, 12:07 AM MDTSpecial Weather StatementLBFSheridan38 min
Jun 11, 1:48 AM MDTSpecial Weather StatementLBFKeya Paha42 min

Nearby

Special Weather Statements in Nebraska, 2018Every 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.