Alert archive / Nebraska / Wind Advisories in 2011
Wind Advisory 18, NWS Cheyenne, WY
NWS Cheyenne, WY issued this wind advisory at May 17, 2011, 10:35 AM MDT for 4 counties in Nebraska. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- May 17, 2011, 10:35 AM MDT (16:35 UTC)
- Expired
- May 17, 2011, 6:06 PM MDT
- In force
- 8 hr
- Issued by
- NWS Cheyenne, WY
Counties Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Morrill County, NE
The radar
The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 16:34 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 12:00Z, 4.6 hours before the alert went out and 225 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1458 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 250 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
314 WWUS75 KCYS 171635 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1035 AM MDT TUE MAY 17 2011 ...STRONG WINDS WILL OCCUR THROUGH THE EARLY EVENING OVER PARTS OF THE WESTERN NEBRASKA PANHANDLE... .A LARGE DIFFERENCE IN SURFACE PRESSURE OVER THE PANHANDLE AHEAD OF THE APPROACHING PACIFIC STORM SYSTEM WILL PRODUCE STRONG AND GUSTY SOUTHEAST WINDS OVER PARTS OF THE PANHANDLE THROUGH THE EARLY EVENING. NEZ002-003-021-055-180045- /O.NEW.KCYS.WI.Y.0018.110517T1635Z-110518T0100Z/ DAWES-BOX BUTTE-MORRILL-CHEYENNE- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...BRIDGEPORT... BAYARD...SIDNEY 1035 AM MDT TUE MAY 17 2011 ...WIND ADVISORY IN EFFECT UNTIL 7 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM MDT THIS EVENING. * TIMING...THROUGH 7 PM. * WINDS...SOUTHEAST 25 TO 35 MPH WITH GUSTS TO 45 MPH. * IMPACTS...THE STRONG WINDS WILL CAUSE HAZARDOUS TRAVEL CONDITIONS FOR THOSE WITH LIGHTWEIGHT AND HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ WEILAND
1 follow-up statement
863 WWUS75 KCYS 180006 NPWCYS URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 606 PM MDT TUE MAY 17 2011 NEZ002-003-021-055-180115- /O.CAN.KCYS.WI.Y.0018.000000T0000Z-110518T0100Z/ DAWES-BOX BUTTE-MORRILL-CHEYENNE- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...BRIDGEPORT... BAYARD...SIDNEY 606 PM MDT TUE MAY 17 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND ADVISORY. WINDS IN THE EASTERN HALF OF THE NEBRASKA PANHANDLE HAVE DECREASED BELOW WIND ADVISORY CRITERIA OVER THE LAST COUPLE OF HOURS...THEREFORE THE WIND ADVISORY HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 3:26 PM MDT | Flood Watch | CYS | Banner, Box Butte, Dawes, Morrill, Sioux | 64 hr |
Nearby
Wind Advisories in Nebraska, 2011Every wind advisory in 2011
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.