Alert archive / Nebraska / Wind Advisories in 2009

Wind Advisory 13, NWS Cheyenne, WY

May 12, 20097 counties in Nebraska

NWS Cheyenne, WY issued this wind advisory at May 12, 2009, 2:32 PM MDT for 7 counties in Nebraska. It took effect at May 13, 2009, 8:00 AM MDT. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
May 12, 2009, 2:32 PM MDT (20:32 UTC)
In effect from
May 13, 2009, 8:00 AM MDT
Expired
May 13, 2009, 7:00 PM MDT
In force
11 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

The radar

The Cheyenne radar (KCYS), 141 km from the middle of the area, began a volume at 20:34 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

Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 213 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 2009-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 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 2009-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
7 J/kg
Mixed-layer CIN
-326 J/kg
Mixed-layer LCL
1875 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
69 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.

000 
WWUS75 KCYS 122032
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
232 PM MDT TUE MAY 12 2009

...STRONG NORTHWEST WINDS WILL AFFECT THE WESTERN NEBRASKA
PANHANDLE ON WEDNESDAY...

.NORTHWEST WINDS WILL INCREASE AFTER SUNRISE WEDNESDAY MORNING
OVER THE PANHANDLE AND WILL BE STRONG THROUGH THE AFTERNOON.
THE STRONG WINDS WILL BE CAUSED BY THE PASSAGE OF A SURFACE 
COLD FRONT TONIGHT AND STRONG WINDS IN THE UPPER ATMOSPHERE 
OVER THE REGION FOR WEDNESDAY. 

NEZ001>003-019>021-054-055-131200-
/O.NEW.KCYS.WI.Y.0013.090513T1400Z-090514T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
232 PM MDT TUE MAY 12 2009

...WIND ADVISORY IN EFFECT FROM 8 AM TO 6 PM MDT WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 6 PM MDT WEDNESDAY. 

NORTHWEST WINDS WILL BE SUSTAINED AT 25 TO 35 MPH FOR MOST OF THE
DAY WEDNESDAY WITH GUSTS TO 50 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH OR MORE ARE EXPECTED.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. VISIBILITIES MAY ALSO BE
LOCALLY REDUCED IN BLOWING DUST NEAR PLOWED FIELDS.

&&

$$

WEILAND
4 follow-up statements
000 
WWUS75 KCYS 131002
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
402 AM MDT WED MAY 13 2009

...STRONG NORTHWEST WINDS WILL AFFECT THE WESTERN NEBRASKA
PANHANDLE TODAY...

.NORTHWEST WINDS WILL INCREASE AFTER SUNRISE THIS MORNING OVER THE
PANHANDLE AND WILL BE STRONG THROUGH THE AFTERNOON. THE STRONG
WINDS WILL OCCUR IN THE WAKE OF THE SURFACE COLD FRONT THAT MOVED
ACROSS THE AREA TUESDAY.

NEZ001>003-019>021-054-055-140000-
/O.CON.KCYS.WI.Y.0013.090513T1400Z-090514T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
402 AM MDT WED MAY 13 2009

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM
MDT THIS EVENING. 

NORTHWEST WINDS WILL BE SUSTAINED AT 25 TO 35 MPH WITH GUSTS TO
50 MPH TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE ARE
EXPECTED...ALONG WITH GUSTS TO GREATER THAN OR EQUAL TO 45 MPH. 
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. VISIBILITIES MAY ALSO BE
LOCALLY REDUCED IN BLOWING DUST NEAR PLOWED FIELDS.

&&

$$

CARPENTER
000 
WWUS75 KCYS 131535
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
935 AM MDT WED MAY 13 2009

...STRONG NORTHWEST WINDS WILL AFFECT THE WESTERN NEBRASKA
PANHANDLE THROUGH THE AFTERNOON...

.NORTHWEST WINDS WILL CONTINUE TO INCREASE OVER THE NEBRASKA
PANHANDLE THROUGH MIDDAY. BY THAT TIME...GUSTS TO 50 MPH WILL
BE COMMON OVER THE AREA WITH THE STRONG WINDS CONTINUING 
THROUGH THE AFTERNOON.  

NEZ001>003-019>021-054-055-132345-
/O.CON.KCYS.WI.Y.0013.000000T0000Z-090514T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
935 AM MDT WED MAY 13 2009

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

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

NORTHWEST WINDS WILL BE SUSTAINED AT 25 TO 35 MPH WITH GUSTS TO
50 MPH OVER THE ENTIRE PANHANDLE BY MIDDAY. THE STRONG WINDS 
WILL THEN CONTINUE OVER THE AREA THROUGH THE AFTERNOON.  

AT 915 AM...MOST LOCATIONS IN THE PANHANDLE WERE REPORTING
WIND GUSTS BETWEEN 25 AND 35 MPH. THE STRONGEST GUSTS AT THAT
TIME WERE 42 MPH AT KIMBALL AND 46 MPH ON HIGHWAY 71 TO THE
SOUTHEAST OF HARRISBURG.   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE ARE
EXPECTED...ALONG WITH GUSTS TO GREATER THAN OR EQUAL TO 45 MPH.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. VISIBILITIES MAY ALSO
BE LOCALLY REDUCED IN BLOWING DUST NEAR PLOWED FIELDS.

&&

$$

WEILAND
000 
WWUS75 KCYS 132036
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
236 PM MDT WED MAY 13 2009

...STRONG NORTHWEST WINDS WILL AFFECT THE WESTERN NEBRASKA
PANHANDLE THROUGH THE EARLY EVENING...

.STRONG NORTHWEST WINDS WILL CONTINUE TO OVER THE NEBRASKA
PANHANDLE THROUGH THE EARLY EVENING. GUSTS TO 55 MPH WILL BE
COMMON OVER THE AREA DURING THAT TIME.

NEZ001>003-019>021-054-055-140100-
/O.EXT.KCYS.WI.Y.0013.000000T0000Z-090514T0100Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
236 PM MDT WED MAY 13 2009

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM MDT THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM MDT THIS EVENING. 

NORTHWEST WINDS WILL BE SUSTAINED AT 30 TO 40 MPH WITH GUSTS UP TO
55 MPH OVER THE ENTIRE PANHANDLE THROUGH THE EARLY EVENING. THE
WINDS HAVE BEEN SLOWLY DECREASING SINCE 130 PM.  

EARLY THIS AFTERNOON...MOST LOCATIONS IN THE PANHANDLE WERE
REPORTING WIND GUSTS BETWEEN 45 AND 55 MPH. THE STRONGEST GUST
SO FAR HAS BEEN 67 MPH AT 110 PM AT THE KIMBALL AIRPORT. 
WIND GUSTS OVER 60 MPH LASTED FOR ABOUT ONE HALF HOUR IN PORTIONS
OF BANNER AND KIMBALL COUNTIES.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH OR MORE ARE
EXPECTED...ALONG WITH GUSTS TO GREATER THAN OR EQUAL TO 45 MPH.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. USE EXTRA CAUTION. VISIBILITIES MAY ALSO
BE LOCALLY REDUCED IN BLOWING DUST NEAR PLOWED FIELDS.

&&

$$

WEILAND
000 
WWUS75 KCYS 140106
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
706 PM MDT WED MAY 13 2009

NEZ001>003-019>021-054-055-140215-
/O.EXP.KCYS.WI.Y.0013.000000T0000Z-090514T0100Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
706 PM MDT WED MAY 13 2009

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. THE STRONG NORTHWEST 
WINDS OVER THE NEBRASKA PANHANDLE HAD DECREASED TO 20 TO 30 MPH 
WITH GUSTS AROUND 40 MPH EARLY THIS EVENING. THE WINDS ARE 
EXPECTED TO BECOME NORTHEAST AND DIMINISH TO LESS THAN 10 MPH
BY 9 PM MDT THIS EVENING. 


$$

JLH

Nearby

Wind Advisories in Nebraska, 2009Every wind advisory in 2009

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.