Alert archive / Nebraska / Wind Advisories in 2007

Wind Advisory 7, NWS Cheyenne, WY

March 28, 20077 counties in Nebraska

NWS Cheyenne, WY issued this wind advisory at Mar 28, 2007, 1:08 AM MDT for 7 counties in Nebraska. It took effect at Mar 28, 2007, 9:00 AM MDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 28, 2007, 1:08 AM MDT (07:08 UTC)
In effect from
Mar 28, 2007, 9:00 AM MDT
Expired
Mar 28, 2007, 6:02 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

The radar

The Cheyenne radar (KCYS), 141 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 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 00:00Z on 2007-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 258 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 00:00Z on 2007-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
258 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
1996 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WWUS75 KCYS 280708
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
108 AM MDT WED MAR 28 2007

...DENSE FOG WILL CONTINUE OVER THE SOUTHERN LARAMIE RANGE UNTIL
MID MORNING...

.VERY MOIST SOUTHEAST UPSLOPE WINDS WILL CAUSE DENSE FOG TO PERSIST
FROM NEAR CHEYENNE WESTWARD TO OVER I-80 SUMMIT. TRAVELERS ARE
URGED TO SLOW DOWN AND USE EXTRA CAUTION.

WYZ066-069-281500-
/O.NEW.KCYS.FG.Y.0007.070328T0708Z-070328T1500Z/
LARAMIE RANGE-CHEYENNE FOOTHILLS-
INCLUDING THE CITIES OF...BUFORD...HORSE CREEK...CHEYENNE
108 AM MDT WED MAR 28 2007

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM MDT THIS MORNING. 

DENSE FOG WILL PREVAIL OVER THE SOUTHERN LARAMIE RANGE AND
CHEYENNE FOOTHILLS BETWEEN CHEYENNE AND LARAMIE UNTIL MID
MORNING. VISIBILITIES WILL BE FREQUENTLY NEAR ZERO...MAKING
TRAVEL EXTREMELY HAZARDOUS..

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

$$

NEZ001>003-019>021-054-055-281515-
/O.NEW.KCYS.WI.Y.0007.070328T1500Z-070329T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
108 AM MDT WED MAR 28 2007

...WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 PM MDT
THIS AFTERNOON.

SOUTHEAST WINDS WILL INCREASE THIS MORNING ACROSS THE WESTERN
NEBRASKA PANHANDLE. BY 9 AM THE WINDS WILL BE SUSTAINED AT AROUND
30 TO 35 MPH WITH FREQUENT GUSTS TO OVER 45 MPH. THIS WILL POSE A
NUISANCE TO DRIVERS OPERATING LIGHTWEIGHT OR HIGH PROFILE
VEHICLES. THE WINDS WILL DIMINISH BY LATE AFTERNOON.  

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.

$$

SOWKO
3 follow-up statements
000 
WWUS75 KCYS 281455
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
855 AM MDT WED MAR 28 2007

...DENSE FOG WILL CONTINUE OVER THE SOUTHERN LARAMIE RANGE UNTIL
LATE MORNING...

.VERY MOIST SOUTHEAST UPSLOPE WINDS WILL CAUSE DENSE FOG TO
PERSIST FROM NEAR CHEYENNE WESTWARD TO OVER I-80 SUMMIT.
TRAVELERS ARE URGED TO SLOW DOWN AND USE EXTRA CAUTION.

WYZ066-069-281700-
/O.EXT.KCYS.FG.Y.0007.000000T0000Z-070328T1700Z/
LARAMIE RANGE-CHEYENNE FOOTHILLS-
INCLUDING THE CITIES OF...BUFORD...HORSE CREEK...CHEYENNE
855 AM MDT WED MAR 28 2007

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM MDT THIS
MORNING...

THE DENSE FOG ADVISORY FOR THE SOUTHERN LARAMIE RANGE AND THE
CHEYENNE FOOTHILLS HAS BEEN EXTENDED UNTIL 11 AM MDT THIS
MORNING.

DENSE FOG WILL PREVAIL OVER THE SOUTHERN LARAMIE RANGE AND
CHEYENNE FOOTHILLS BETWEEN CHEYENNE AND LARAMIE UNTIL LATE MORNING.
VISIBILITIES WILL BE FREQUENTLY NEAR ZERO...MAKING TRAVEL
EXTREMELY HAZARDOUS..

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

$$

NEZ001>003-019>021-054-055-282300-
/O.CON.KCYS.WI.Y.0007.070328T1500Z-070329T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
855 AM MDT WED MAR 28 2007

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

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

SOUTHEAST WINDS WILL INCREASE THIS MORNING ACROSS THE WESTERN
NEBRASKA PANHANDLE. BY 9 AM THE WINDS WILL BE SUSTAINED AT AROUND
30 TO 35 MPH WITH FREQUENT GUSTS TO OVER 45 MPH. THIS WILL POSE A
NUISANCE TO DRIVERS OPERATING LIGHTWEIGHT OR HIGH PROFILE
VEHICLES. THE WINDS WILL DIMINISH BY LATE AFTERNOON.

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.

$$
KMD
000 
WWUS75 KCYS 281652
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1052 AM MDT WED MAR 28 2007

WYZ066-069-281800-
/O.EXP.KCYS.FG.Y.0007.000000T0000Z-070328T1700Z/
LARAMIE RANGE-CHEYENNE FOOTHILLS-
INCLUDING THE CITIES OF...BUFORD...HORSE CREEK...CHEYENNE
1052 AM MDT WED MAR 28 2007

...DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MDT THIS MORNING...

THE DENSE FOG ADVISORY WILL EXPIRE AT 11 AM MDT THIS MORNING. 

FOG HAS DISSIPATED ACROSS THE SOUTHERN LARAMIE RANGE AND CHEYENNE
FOOTHILLS...THEREFORE THE DENSE FOG ADVISORY WILL BE ALLOWED TO
EXPIRE AT 11 AM.

$$

NEZ001>003-019>021-054-055-290000-
/O.CON.KCYS.WI.Y.0007.000000T0000Z-070329T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
1052 AM MDT WED MAR 28 2007

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

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

SOUTHEAST WINDS WILL INCREASE THIS MORNING ACROSS THE WESTERN
NEBRASKA PANHANDLE. BY 9 AM THE WINDS WILL BE SUSTAINED AT AROUND
30 TO 35 MPH WITH FREQUENT GUSTS TO OVER 45 MPH. THIS WILL POSE A
NUISANCE TO DRIVERS OPERATING LIGHTWEIGHT OR HIGH PROFILE
VEHICLES. THE WINDS WILL DIMINISH BY LATE AFTERNOON.

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.

$$
KMD
000 
WWUS75 KCYS 290002
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
602 PM MDT WED MAR 28 2007

...STRONG WINDS HAVE DIMINISHED OVER THE WESTERN NEBRASKA
PANHANDKLE...

.A COLD FRONT WILL HAS MOVED THROUGH THE AREA FROM SIOUX TO 
KIMBALL COUNTIES EARLY THIS EVENING.  BEHIND THE FRONT...WINDS
DIMINISHED AND SHIFTED TO THE NORTHWESTY. THE FRONT WILL MOVE
THROUGH THE REST OF THE PANHANDLE BY 7 PM.  THE STRONG SOUTH WINDS
OF EARLIER HAVE DIMINISHED OVER THE AREA BETWEEN CHADRON AND
SIDNEY. THE WIND ADVISORY WILL BE CANCELLED. 

NEZ001>003-019>021-054-055-290115-
/O.CAN.KCYS.WI.Y.0007.000000T0000Z-070329T0000Z/
SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-
CHEYENNE-
INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE...
SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD...
KIMBALL...SIDNEY
602 PM MDT WED MAR 28 2007

...WIND ADVISORY IS CANCELLED...

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

THE STRONG WINDS HAVE DIMINISHED OVER THE WESTERN NEBRASKA 
PANHANDLE EARLY THIS EVENING. THE WINDS FOR THE REST OF TONIGHT
WILL BE FROM THE WEST AT 15 TO 30 MPH.  THE WIND ADVISORY HAS 
BEEN CANCELLED.

$$

WEILAND

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 2:09 PM MDTSevere Thunderstorm WarningCYSBox Butte, Dawes36 min
Mar 28, 2:41 PM MDTSevere Thunderstorm WarningCYSDawes34 min

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.