Alert archive / Nebraska / Wind Advisories in 2011

Wind Advisory 17, NWS Cheyenne, WY

May 12, 20118 counties in Nebraska

NWS Cheyenne, WY issued this wind advisory at May 12, 2011, 1:05 AM MDT for 8 counties in Nebraska. It took effect at May 12, 2011, 6:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
May 12, 2011, 1:05 AM MDT (07:05 UTC)
In effect from
May 12, 2011, 6:00 AM MDT
Expired
May 12, 2011, 3:03 PM MDT
In force
9 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 07:09 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, 7.1 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 2011-05-12Temperature 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 2011-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
11 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.

459 
WWUS75 KCYS 120705
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
105 AM MDT THU MAY 12 2011

...WINDY ACROSS WESTERN NEBRASKA TODAY...

.A STORM SYSTEM AND STRONG PRESSURE GRADIENT WILL PRODUCE BRISK
NORTH WINDS TODAY ACROSS WESTERN NEBRASKA.

NEZ002-003-019>021-054-055-095-096-130000-
/O.NEW.KCYS.WI.Y.0017.110512T1200Z-110513T0000Z/
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
105 AM MDT THU MAY 12 2011

...WIND ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM MDT
THIS EVENING. 

* TIMING...600 AM TO 600 PM TODAY.

* WINDS...NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 55 MPH.

* IMPACTS...STRONG WINDS WILL CREATE TRAVEL PROBLEMS FOR THOSE
  WITH LIGHTWEIGHT OR 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.

&&

$$

RUBIN
2 follow-up statements
483 
WWUS75 KCYS 121757
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1157 AM MDT THU MAY 12 2011

...WINDY ACROSS WESTERN NEBRASKA TODAY...

.A STORM SYSTEM AND STRONG PRESSURE GRADIENT WILL PRODUCE BRISK
NORTH WINDS TODAY ACROSS WESTERN NEBRASKA.

NEZ002-019-020-095-096-121900-
/O.CAN.KCYS.WI.Y.0017.000000T0000Z-110513T0000Z/
DAWES-SCOTTS BLUFF-BANNER-NORTH SIOUX-SOUTH SIOUX-
INCLUDING THE CITIES OF...CHADRON...SCOTTSBLUFF...GERING...
HARRISBURG...HARRISON...AGATE
1157 AM MDT THU MAY 12 2011

...WIND ADVISORY IS CANCELLED...

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

GUSTY NORTH OR NORTHWEST WINDS ARE STILL EXPECTED OVER THE AREA
THIS AFTERNOON BUT IT DOES NOT APPEAR THEY WILL BE AS STRONG AS
PREVIOUSLY EXPECTED. SOME GUSTS NEAR 40 MPH ARE POSSIBLE HOWEVER.

$$

NEZ003-021-054-055-130000-
/O.CON.KCYS.WI.Y.0017.000000T0000Z-110513T0000Z/
BOX BUTTE-MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...ALLIANCE...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
1157 AM MDT THU MAY 12 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...UNTIL 600 PM TODAY.

* WINDS...NORTH WINDS 25 TO 35 MPH WITH A FEW GUSTS AROUND 45 MPH.

* IMPACTS...STRONG WINDS WILL CREATE TRAVEL PROBLEMS FOR THOSE 
  WITH LIGHTWEIGHT OR 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.

&&

$$

RE
112 
WWUS75 KCYS 122103
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
303 PM MDT THU MAY 12 2011

NEZ003-021-054-055-122215-
/O.CAN.KCYS.WI.Y.0017.000000T0000Z-110513T0000Z/
BOX BUTTE-MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...ALLIANCE...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
303 PM MDT THU MAY 12 2011

...WIND ADVISORY IS CANCELLED...

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

WINDS OVER THE AREA ARE NO LONGER EXPECTED TO BE STRONG ENOUGH TO
WARRANT AN ADVISORY. SOME GUSTS AROUND 35 MPH ARE STILL POSSIBLE
FOR THE REST OF THE AFTERNOON.

$$

RE

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.