Alert archive / Nebraska / Wind Advisories in 2007

Wind Advisory 4, NWS Cheyenne, WY

February 24, 2007Banner County, Box Butte County, Scotts Bluff County, Nebraska

NWS Cheyenne, WY issued this wind advisory at Feb 24, 2007, 11:04 AM MST for Banner County, Box Butte County, Scotts Bluff County, Nebraska. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2007, 11:04 AM MST (18:04 UTC)
Expired
Feb 24, 2007, 6:00 PM MST
In force
7 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Scotts Bluff County, NE

The radar

The Cheyenne radar (KCYS), 135 km from the middle of the area, began a volume at 18:07 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, 6.1 hours before the alert went out and 224 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 2007-02-24Temperature 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 2007-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.193958Sfc1 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
616 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
124 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 241805
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1104 AM MST SAT FEB 24 2007

...A STRONG STORM SYSTEM WILL MOVE ACROSS NORTHERN OKLAHOMA
AND SOUTHERN KANSAS THROUGH THIS AFTERNOON...

.INTENSE SURFACE LOW PRESSURE WILL MOVE SLOWLY EASTWARD ACROSS
KANSAS TODAY. THE STRONG PRESSURE GRADIENT WILL PRODUCE STRONG
NORTH OR NORTHWEST WINDS OVER MAINLY THE SOUTHEAST NEBRASKA
PANHANDLE. PEOPLE DRIVING HIGH PROFILE VEHICLES SHOULD BE
PARTICULARLY CAREFUL WHEN DRIVING IN THE HIGH WINDS. TRAVELERS ARE
ENCOURAGED TO POSTPONE TRAVEL DUE TO RECENT SNOW IN SOUTHEAST
WYOMING COULD CREATE NEAR GROUND BLIZZARD LIKE CONDITIONS.

NEZ001-003-019-020-250100-
/O.CAN.KCYS.HW.W.0008.000000T0000Z-070225T0100Z/
/O.NEW.KCYS.WI.Y.0004.070224T1804Z-070225T0100Z/
SIOUX-BOX BUTTE-SCOTTS BLUFF-BANNER-
INCLUDING THE CITIES OF...HARRISON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG
1104 AM MST SAT FEB 24 2007

...HIGH WIND WARNING IS CANCELLED...
...WIND ADVISORY IN EFFECT UNTIL 6 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

STRONG NORTH WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH ARE NOW 
EXPECTED THIS AFTERNOON OVER MUCH OF THE NORTHERN AND WESTERN
PORTIONS OF THE NEBRASKA PANHANDLE. THESE WINDS WILL CREATE AREAS
OF BLOWING AND DRIFTING SNOW ALONG WITH HAZARDOUS TRAVEL
CONDITIONS. THE WINDS ARE EXPECTED TO DIMINISH EARLY THIS EVENING.

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.

$$

NEZ002-WYZ060-067>070-241915-
/O.CAN.KCYS.HW.W.0008.000000T0000Z-070225T0100Z/
DAWES-NIOBRARA-PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS-
INCLUDING THE CITIES OF...CHADRON...LUSK...WHEATLAND...GUERNSEY...
TORRINGTON...CHEYENNE...PINE BLUFFS
1104 AM MST SAT FEB 24 2007

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE HIGH
WIND WARNING. 

GUSTY NORTH OR NORTHWEST WINDS WILL STILL BLOW ACROSS MUCH OF
SOUTHEASTERN WYOMING BUT HIGH WINDS ARE NO LONGER EXPECTED.
WINDS FROM 20 TO 35 MPH CAN BE EXPECTED WITH SOME GUSTS AROUND 50
MPH...ESPECIALLY IN OPEN AREAS. THESE WINDS WILL CREATE AREAS OF
BLOWING AND DRIFTING SNOW WHEREVER NEW SNOW HAS FALLEN. THE WINDS
ARE EXPECTED TO GRADUALLY DIMINISH AROUND SUNSET. 

$$

NEZ021-054-055-250100-
/O.CON.KCYS.HW.W.0008.000000T0000Z-070225T0100Z/
MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
1104 AM MST SAT FEB 24 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
AFTERNOON. 

STRONG NORTH WINDS OF 40 TO 45 MPH WITH GUSTS AROUND 60 MPH CAN
BE EXPECTED THIS AFTERNOON OVER KIMBALL...CHEYENNE AND MORRILL
COUNTIES OF THE NEBRASKA PANHANDLE. THESE WINDS WILL COMBINE WITH
RECENT SNOWFALL TO PRODUCE AREAS OF BLOWING AND DRIFTING SNOW.
HAZARDOUS TRAVEL CONDITIONS WILL ALSO OCCUR AS THE STRONG WINDS
WILL LIKELY CAUSE LOCALIZED AREAS OF VERY LOW VISIBILITIES DUE TO 
GROUND BLIZZARD CONDITIONS IN AREAS THAT RECEIVED NEW SNOW.

THE WINDS ARE EXPECTED TO GRADUALLY DIMINISH AROUND SUNSET. 

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.

$$
1 follow-up statement
000 
WWUS75 KCYS 250043
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
543 PM MST SAT FEB 24 2007

NEZ021-054-055-250145-
/O.EXP.KCYS.HW.W.0008.000000T0000Z-070225T0100Z/
MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
543 PM MST SAT FEB 24 2007

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS AFTERNOON...

THE HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS AFTERNOON. 

WINDS HAVE WEAKENED ACROSS THE SOUTHERN NEBRASKA PANHANDLE OVER
THE PAST HOUR. ALTHOUGH NORTHWEST WINDS OF 20 TO 25 MPH WITH GUSTS
TO 35 MPH WILL CONTINUE THROUGH THE EVENING...THE THREAT OF HIGH
WINDS HAS COME TO AN END. THEREFORE THE HIGH WIND WARNING WILL BE
ALLOWED TO EXPIRE AT 6 PM MST.

$$

NEZ001-003-019-020-250145-
/O.EXP.KCYS.WI.Y.0004.000000T0000Z-070225T0100Z/
SIOUX-BOX BUTTE-SCOTTS BLUFF-BANNER-
INCLUDING THE CITIES OF...HARRISON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG
543 PM MST SAT FEB 24 2007

...WIND ADVISORY WILL EXPIRE AT 6 PM MST THIS AFTERNOON...

THE WIND ADVISORY WILL EXPIRE AT 6 PM MST THIS AFTERNOON. 

WINDS HAVE WEAKENED ACROSS THE NORTHERN NEBRASKA PANHANDLE OVER
THE PAST HOUR. ALTHOUGH NORTHWEST WINDS OF 20 TO 25 MPH WITH GUSTS
TO 35 MPH WILL CONTINUE THIS EVENING...THE THREAT OF HIGH WINDS
HAS COME TO AN END. THEREFORE THE WIND ADVISORY WILL BE ALLOWED TO
EXPIRE AT 6 PM MST.

$$

HAHN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 24, 3:42 AM MSTHigh Wind WarningCYSBanner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 1 more14 hr

Nearby

Wind Advisories in Nebraska, 2007Every wind advisory in 2007

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.