Alert archive / Nebraska / Wind Advisories in 2012

Wind Advisory 22, NWS Cheyenne, WY

May 10, 20128 counties in Nebraska

NWS Cheyenne, WY issued this wind advisory at May 10, 2012, 8:25 PM MDT for 8 counties in Nebraska. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 10, 2012, 8:25 PM MDT (02:25 UTC)
Expired
May 11, 2012, 1:37 AM MDT
In force
5 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE

The radar

The Cheyenne radar (KCYS), 142 km from the middle of the area, began a volume at 02:24 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

Denver, CO (KDNR), launched 00:00Z, 2.4 hours before the alert went out and 223 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 00:00Z on 2012-05-11Temperature 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 00:00Z on 2012-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 square meters per square second.1939Sfc1 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
4462 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

038 
WWUS75 KCYS 110225
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
825 PM MDT THU MAY 10 2012

...WIND ADVISORY IN EFFECT THROUGH 2 AM...

.A COLD FRONT MOVED THROUGH THE PANHANDLE LATE THIS AFTERNOON.
BEHIND THE FRONT...NORTH WINDS OF 20 TO 30 MPH SUSTAINED WITH
GUSTS TO 50 MPH HAVE BECOME FAIRLY WIDESPREAD AND WILL SPREAD INTO
THE SOUTHERN PANHANDLE AS THE FRONT CONTINUES TO MOVE SOUTH.

NEZ002-003-019>021-054-055-095-096-110800-
/O.NEW.KCYS.WI.Y.0022.120511T0225Z-120511T0800Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE
825 PM MDT THU MAY 10 2012

...WIND ADVISORY IN EFFECT UNTIL 2 AM MDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 2 AM MDT FRIDAY. 

* TIMING...THROUGH 2 AM FRIDAY.

* WINDS...NORTH 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* IMPACTS...STRONG WINDS MAY CREATE DANGEROUS DRIVING CONDITIONS
  FOR LIGHT WEIGHT 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.

&&

$$
1 follow-up statement
000 
WWUS75 KCYS 110737
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
137 AM MDT FRI MAY 11 2012


NEZ002-003-019>021-054-055-095-096-110845-
/O.CAN.KCYS.WI.Y.0022.000000T0000Z-120511T0800Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE
137 AM MDT FRI MAY 11 2012

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
ADVISORY. 

WINDS ACROSS THE PANHANDLE ARE STEADILY DECREASING SO WILL GO
AHEAD AND CANCEL THE ADVISORY.

$$

RJM

Nearby

Wind Advisories in Nebraska, 2012Every wind advisory in 2012

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.