Alert archive / Nebraska / Winter Storm Warnings in 2008
Winter Storm Warning 12, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Nov 6, 2008, 5:06 AM MST for 7 counties in Nebraska. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 6, 2008, 5:06 AM MST (12:06 UTC)
- Expired
- Nov 6, 2008, 5:00 PM MST
- In force
- 12 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 12:12 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 0.1 hours before the alert went out and 239 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at Nov 6, 4:20 AM MST, 46 minutes earlier.
Area forecast discussion, Nov 6, 4:20 AM MST, 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
420 AM MST THU NOV 6 2008
.SHORT TERM...TODAY THROUGH FRIDAY...
VERTICALLY STACKED STORM SYSTEM WAS OVER SOUTH CENTRAL SOUTH DAKOTA
EARLY THIS MORNING. THE TIGHT SURFACE PRESSURE GRADIENT WILL
PERSIST OVER THE EASTERN PART OF THE CWA FOR THE REST OF TODAY ALONG
WITH WINDS UP TO 55 KNOTS AT 700 MB. NORTHWEST WINDS HAVE GUSTED
TO AROUND 60 MPH SINCE 08Z OVER MUCH OF THE PANHANDLE AND FAR
SOUTHEAST WYOMING. AS THE STORM SYSTEM MOVES SLOWLY TO THE EAST
THE WINDS WILL GRADUALLY DIMINISH TONIGHT AND FRIDAY. WILL
CONTINUE THE PREVIOUSLY ISSUED HIGH WIND WARNING FOR FAR SOUTHEAST
WYOMING AND THE SOUTHERN PANHANDLE THROUGH 01Z. ALONG WITH THE
WINDS HAS BEEN LIGHT TO MODERATE SNOWFALL OVER THE PANHANDLE AND
AREAS IN SOUTHEAST WYOMING NEAR THE NEBRASKA BORDER. AT 11Z THE
HEAVIEST BAND OF SNOW WAS LOCATED FROM KIBM TO KTOR AND HAS BEEN
PUSHING SLOWLY SOUTH. MODELS DEPICT UP TO 6 INCHES OF NEW SNOWFALL
OVER THE NORTHERN PANHANDLE MAINLY THROUGH MIDDAY. THE 00Z GFS IS
SLIGHTLY COOLER THAN THE NAM AND SO DEPICTS GREATER SNOWFALL
AMOUNTS OVER THE NORTHERN PANHANDLE. FOR NOW WILL PLACE 2 TO 5
INCHES OF SNOW OVER THAT AREA WITH THE LARGER AMOUNTS NEAR THE
PINE RIDGE THROUGH MIDDAY. CALLS THIS MORNING HAVE INDICATED UP
TO AN INCH OF SNOW AND GREATLY REDUCED VISIBILITIES IN THE HEAVIER
SNOW. LOWER ACCUMULATIONS WILL OCCUR IN SOUTHEAST WYOMING NEAR
THE NEBRASKA BORDER AND THE SOUTHERN PANHANDLE...WITH GENERALLY AN
INCH OR LESS EXPECTED. WITH THE SNOW AND WINDS IN MIND...WILL
ALTER THE HIGHLIGHTS AND PLACE THE NORTHERN PANHANDLE IN A WINTER
STORM WARNING THROUGH 01Z. THE SNOW WILL END TONIGHT AND CLOUDS
DECREASE FROM WEST TO EAST AS THE STORM SYSTEM MOVES SLOWLT AWAY
FROM THE CWA. MODELS ALL INDICATE CLOUDS SPREADING BACK OVER THE
CWA ON FRIDAY WITH LIGHT QPF BY AFTERNOON OVER THE FAR NORTH PART
OF THE CWA AND THE MOUNTAINS. FOR NOW WILL GO ALONG WITH THAT
SCENARIO. THE TEMPERATURES WILL REMAIN ON THE COOL SIDE TODAY AND
WILL THEN WARM SOME FOR FRIDAY.
.LONG TERM...FRI NIGHT THROUGH WED...
NORTHWESTERLY FLOW ALOFT FRI NIGHT AND SATURDAY WILL YIELD TO AN
UPPER RIDGE SAT NIGHT. JET ENERGY DIVING SOUTHEASTWARD WILL
UNDERMINE THE RIDGE SUNDAY AND RESULT IN A FAIR AMOUNT OF UPPER
DIFFLUENCE SUN NIGHT INTO MON. DISCOMBOBULATED UPPER FLOW REGIME TUE
WILL BECOME RATHER TROFFY WED. AT THE SURFACE...A STALLED BOUNDARY
ORIENTED NORTHWEST TO SOUTHWEST ACROSS THE FORECAST WILL MOVE EAST
AS A WARM FRONT FRI NIGHT AND SAT. SAT WILL BE MILDER AND DRY
ALTHOUGH A FAIR AMOUNT OF HIGH AND MID LEVEL MOISTURE WILL BE
PRESENT. A BACKDOOR TYPE COLD FRONT WILL BRING COOLER CONDITIONS AND
A CHANCE OF PRECIPITATION SUN. LOW LEVEL CONVERGENT FLOW MON WILL
CONTINUE COOL AND RATHER UNSETTLED CONDITIONS...ALTHOUGH MODELS HINT
AT DRYING OF THE AIRMASS LATE MON INTO MON NIGHT. TUE WILL REMAIN
RATHER COOL BUT LOOKS TO BE DRY AS MOISTURE AND LIFTING DYNAMICS
WILL BE WEAK. AND ELONGATED SURFACE TROUGH WED WILL PRODUCE A COOL
AND RATHER UNSETTLED DAY WITH A CHANCE OF PRECIP.
&&
.AVIATION...MVFR OR IFR CEILINGS AND VISIBILITIES IN SNOW WILL AFFECT
MUCH OF THE NEBRASKA PANHANDLE AND NEARBY AREAS OF SOUTHEAST
WYOMING THROUGH 01Z. CEILINGS AND VISIBILITIES WILL LIKELY IMPROVE
IN THAT PART OF THE CWA DURING THE AFTERNOON. IN ADDITION...STRONG
NORTHWEST WINDS WILL GUST AS HIGH AS 55 KNOTS OVER AND EAST OF THE
LARAMIE RANGE THROUGH 01Z. TURBULENCE...MORNING IFR CEILINGS AND
VISIBILITIES AND ICING WILL BE A CONCERN TO AVIATION INTERESTS TODAY
ESPECIALLY OVER THE EAST PART OF THE CWA.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WARNING UNTIL 6 PM FOR MOST AREAS ALONG AND EAST OF
THE LARAMIE RANGE. ZONES 60..66>70.
NE...WINTER STORM WARNING UNTIL 6 PM FOR THE NORTHERN PANHANDLE.
ZONES 1>3.
HIGH WIND WARNING UNTIL 6 PM FOR THE SOUTHERN PANHANDLE.
ZONES 19>21..54..55.
&&
WEILAND/JRHazardous weather outlook, Nov 6, 2:22 AM MST, 2 hours 44 minutes before
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</html>In the hours before
Local storm report, Nov 6, 4:35 AM MST, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
435 AM MST THU NOV 06 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0418 AM SNOW CHADRON 42.83N 103.00W
11/06/2008 M0.0 INCH DAWES NE LAW ENFORCEMENT
0.5 INCH OF SNOW
0420 AM SNOW TORRINGTON 42.07N 104.18W
11/06/2008 M0.0 INCH GOSHEN WY LAW ENFORCEMENT
0.25 INCH OF SNOW
0421 AM SNOW DOUGLAS 42.76N 105.39W
11/06/2008 M0.0 INCH CONVERSE WY LAW ENFORCEMENT
0.5 INCH OF SNOW
0423 AM SNOW LUSK 42.76N 104.45W
11/06/2008 M0.0 INCH NIOBRARA WY LAW ENFORCEMENT
1 INCH OF SNOW
0423 AM NON-TSTM WND DMG LUSK 42.76N 104.45W
11/06/2008 NIOBRARA WY LAW ENFORCEMENT
40 FOOT TALL PINE TREE BLOWN OVER
&&
JRThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 5, 7:30 PM MST | Winter Weather Advisory | CYS | Box Butte, Dawes | 10 hr |
Nearby
Winter Storm Warnings in Nebraska, 2008Every winter storm warning in 2008
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.