Alert archive / Nebraska / High Wind Warnings in 2018

High Wind Warning 22, NWS Cheyenne, WY

March 6, 2018Cheyenne County, Morrill County, Nebraska

NWS Cheyenne, WY issued this high wind warning at Mar 6, 2018, 10:05 AM MST for Cheyenne County, Morrill County, Nebraska. It was in force for 7 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 6, 2018, 10:05 AM MST (17:05 UTC)
Expired
Mar 6, 2018, 5:02 PM MST
In force
7 hr
Issued by
NWS Cheyenne, WY

Counties Cheyenne County, NE, Morrill County, NE

The radar

The Cheyenne radar (KCYS), 155 km from the middle of the area, began a volume at 17:05 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

TimeReportWhereRemark
Mar 6, 10:15 AM MSTHIGH SUST WINDS 4710 Ese Broadwater, NELISCO1 UPR SITE. SUSTAINED OVER 40 MPH FOR APPROXIMATELY ONE HOUR.
Mar 6, 11:25 AM MSTHIGH SUST WINDS 40Sidney Airport, NESIDNEY AIRPORT ASOS. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 1125 AM MST.
Mar 6, 12:00 PM MSTHIGH SUST WINDS 466 Ese Bridgeport, NETHIS IS UPR417 TOWER1.
Mar 6, 12:02 PM MSTHIGH SUST WINDS 431 Sw The Intersection O, NE

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

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 5.1 hours before the alert went out and 179 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, Denver, CO at 12:00Z on 2018-03-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2018-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2501 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

871 
WWUS75 KCYS 061705
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1005 AM MST Tue Mar 6 2018

...STRONG WINDS IN THE SOUTHERN NEBRASKA PANHANDLE THROUGH LATE
THIS AFTERNOON... 

NEZ021-055-070100-
/O.NEW.KCYS.HW.W.0022.180306T1705Z-180307T0100Z/
Morrill-Cheyenne-
Including the cities of Angora, Bridgeport, Bayard, Redington, 
Brownson, and Sidney
1005 AM MST Tue Mar 6 2018

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 6 PM MST this evening. 

* TIMING...Until 6 PM MST this evening. 

* WINDS...Northwest 35 to 45 MPH with gusts to 60 MPH. 

* IMPACTS...Mainly to transportation. Dangerous travel for light 
  weight and high profile vehicles, including camping trailers. 
  Strong cross winds may result in an elevated risk for blow 
  overs of these types of vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

CLH
1 follow-up statement
347 
WWUS75 KCYS 070002
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
502 PM MST Tue Mar 6 2018

NEZ021-055-070115-
/O.CAN.KCYS.HW.W.0022.000000T0000Z-180307T0100Z/
Morrill-Cheyenne-
Including the cities of Angora, Bridgeport, Bayard, Redington, 
Brownson, and Sidney
502 PM MST Tue Mar 6 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. Strong sustained winds above 40 MPH have diminished
early this evening. Occasional gusts up to 35 MPH are possible
over the next hour or two, but light winds are expected by 
midnight.

$$

Nearby

High Wind Warnings in Nebraska, 2018Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.