Alert archive / Nebraska / Special Weather Statements in 2016

Special Weather Statement, NWS Cheyenne, WY

June 27, 2016Morrill County, Nebraska

NWS Cheyenne, WY issued this special weather statement at Jun 27, 2016, 10:30 PM MDT for Morrill County, Nebraska. It was in force for 30 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 27, 2016, 10:30 PM MDT (04:30 UTC)
Expired
Jun 27, 2016, 11:00 PM MDT
In force
30 min
Issued by
NWS Cheyenne, WY

County Morrill County, NE

The radar

The North Platte radar (KLNX), 181 km from the middle of the area, began a volume at 04:31 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, 4.5 hours before the alert went out and 186 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 2016-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 846 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, N. Platte/Lee Bi, NE at 00:00Z on 2016-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
846 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1522 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted.

492 
WWUS85 KCYS 280430
SPSCYS

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1030 PM MDT MON JUN 27 2016
 
NEZ021-280500-
MORRILL NE-
1030 PM MDT MON JUN 27 2016

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL MORRILL COUNTY UNTIL
1100 PM MDT...

AT 1030 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR RICHARDSON LAKE...OR 23 MILES NORTHWEST OF OSHKOSH...MOVING
SOUTHEAST AT 25 MPH.

NICKEL SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THIS STORM.

THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF EAST CENTRAL
MORRILL COUNTY.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4171 10280 4174 10264 4147 10264
TIME...MOT...LOC 0430Z 326DEG 23KT 4163 10267 

$$

MAZUR

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:11 PM MDTSpecial Weather StatementCYSNiobrara49 min
Jun 27, 6:25 PM MDTSevere Thunderstorm WarningCYSNiobrara36 min
Jun 28, 2:42 PM MDTSpecial Weather StatementCYSAlbany48 min
Jun 28, 2:43 PM MDTSpecial Weather StatementCYSCarbon47 min
Jun 28, 3:36 PM MDTSpecial Weather StatementCYSNiobrara39 min
Jun 28, 3:37 PM MDTSpecial Weather StatementCYSConverse38 min
Jun 28, 3:58 PM MDTSevere Thunderstorm WarningCYSConverse, Niobrara38 min
Jun 28, 4:01 PM MDTSevere Thunderstorm WarningCYSConverse, Platte44 min
Jun 28, 4:02 PM MDTSevere Thunderstorm WarningCYSNiobrara58 min
Jun 28, 4:09 PM MDTSpecial Weather StatementCYSLaramie51 min
Jun 28, 4:15 PM MDTSpecial Weather StatementCYSConverse60 min
Jun 28, 4:24 PM MDTSpecial Weather StatementCYSGoshen51 min
Jun 28, 4:25 PM MDTSpecial Weather StatementCYSNiobrara65 min
Jun 28, 4:31 PM MDTSevere Thunderstorm WarningCYSGoshen, Platte28 min
Jun 28, 4:34 PM MDTSevere Thunderstorm WarningCYSConverse, Niobrara28 min
Jun 28, 4:59 PM MDTSevere Thunderstorm WarningCYSGoshen26 min
Jun 28, 5:04 PM MDTSevere Thunderstorm WarningCYSGoshen, Laramie26 min
Jun 28, 5:53 PM MDTSpecial Weather StatementCYSGoshen52 min
Jun 27, 6:36 PM MDTSevere Thunderstorm WarningCYSDawes39 min
Jun 27, 7:05 PM MDTSevere Thunderstorm WarningCYSDawes, Sioux40 min
Jun 27, 7:14 PM MDTSevere Thunderstorm WarningCYSDawes46 min
Jun 27, 7:18 PM MDTFlash Flood WarningCYSDawes3 hr
Jun 27, 7:43 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes47 min
Jun 27, 7:59 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes46 min
Jun 27, 8:12 PM MDTSpecial Weather StatementCYSSioux48 min
Jun 27, 8:23 PM MDTSevere Thunderstorm WarningCYSBox Butte37 min
Jun 27, 9:02 PM MDTSpecial Weather StatementCYSBox Butte28 min
Jun 27, 9:10 PM MDTSevere Thunderstorm WarningCYSBox Butte32 min
Jun 27, 9:52 PM MDTSpecial Weather StatementCYSMorrill38 min
Jun 28, 12:01 AM MDTSpecial Weather StatementCYSMorrill29 min
Jun 28, 4:51 PM MDTSevere Thunderstorm WarningCYSDawes54 min
Jun 28, 5:40 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes27 min
Jun 28, 5:46 PM MDTSpecial Weather StatementCYSSioux29 min

Nearby

Special Weather Statements in Nebraska, 2016Every special weather statement in 2016

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.