Wind Advisory 27, NWS North Platte, NE

000 
WWUS73 KLBF 132137
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
337 PM CST THU NOV 13 2008

...VERY WINDY CONDITIONS EXPECTED ACROSS THE EASTERN NEBRASKA
PANHANDLE AND THE WESTERN SANDHILLS FRIDAY...

.A STRONG COLD FRONT THAT WILL MOVE THROUGH LATER TONIGHT. AN
UPPER LEVEL TROF OF LOW PRESSURE... TRAVERSING THE NORTHERN TIER
OF STATES...WILL PUSH THIS COLD FRONT ACROSS WESTERN AND NORTH
CENTRAL NEBRASKA LATE TONIGHT. STRONG NORTHERLY WINDS ON THE BACK
SIDE OF THE EXITING FRONT WILL DEVELOP FRIDAY MORNING...AND
PERSIST UNTIL EARLY FRIDAY EVENING.

NEZ004-022-056-140545-
/O.CAN.KLBF.WI.Y.0026.000000T0000Z-081113T2300Z/
/O.CON.KLBF.HW.W.0004.081114T1200Z-081115T0000Z/
SHERIDAN-GARDEN-DEUEL-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
CHAPPELL...BIG SPRINGS
237 PM MST THU NOV 13 2008

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
FRIDAY...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
WIND ADVISORY. A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO
5 PM MST FRIDAY. 

LATE TONIGHT...STRONG NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS
TO 60 MPH WILL DEVELOP ACROSS THE EASTERN PANHANDLE AND WESTERN
SANDHILLS. THE HIGH WINDS WILL CONTINUE THROUGHOUT THE DAY FRIDAY AND
DECREASE QUICKLY AFTER SUNDOWN.

TRAVEL FRIDAY ACROSS THE NEBRASKA PANHANDLE AND WESTERN SANDHILLS
COULD BECOME HAZARDOUS. MONITOR THE LATEST FORECASTS AND BE
PREPARED FOR STRONG CROSS WINDS AND FLYING DEBRIS.

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.

$$

NEZ023-035-057-094-140545-
/O.CON.KLBF.HW.W.0004.081114T1200Z-081115T0000Z/
GRANT-ARTHUR-KEITH-WESTERN CHERRY-
INCLUDING THE CITIES OF...HYANNIS...ARTHUR...OGALLALA...CODY...
MERRIMAN...KILGORE
237 PM MST THU NOV 13 2008

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
FRIDAY...

LATE TONIGHT...STRONG NORTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO
60 MPH WILL DEVELOP ACROSS THE EASTERN PANHANDLE AND WESTERN
SANDHILLS. THE HIGH WINDS WILL CONTINUE THROUGHOUT THE DAY FRIDAY
AND DECREASE QUICKLY AFTER SUNDOWN.

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.

TRAVEL FRIDAY ACROSS THE NEBRASKA PANHANDLE AND WESTERN SANDHILLS
COULD BECOME HAZARDOUS. MONITOR THE LATEST FORECASTS AND BE
PREPARED FOR STRONG CROSS WINDS AND FLYING DEBRIS.

$$

NEZ005>010-024>029-036>038-058-059-069>071-140545-
/O.CON.KLBF.WI.Y.0027.081114T1200Z-081115T0000Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-HOOKER-THOMAS-
BLAINE-LOUP-GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...MULLEN...THEDFORD...DUNNING...
TAYLOR...BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
337 PM CST THU NOV 13 2008 /237 PM MST THU NOV 13 2008/

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ TO
6 PM CST /5 PM MST/ FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ TO
6 PM CST /5 PM MST/ FRIDAY. 

NORTHWEST WINDS WILL INCREASE TO 30 TO 35 MPH IN THE MORNING AND
REMAIN STRONG THROUGHOUT THE DAY. WIND GUSTS TO 55 MPH ARE LIKELY
IN OPEN AREAS. WIND SPEEDS SHOULD BEGIN TO SUBSIDE TOWARD NIGHTFALL.

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.

$$
CDC

000 
WWUS73 KLBF 132145
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
345 PM CST THU NOV 13 2008

...VERY WINDY CONDITIONS EXPECTED ACROSS THE WESTERN AND NORTH CENTRAL NEBRASKA
FRIDAY...

.A STRONG COLD FRONT THAT WILL MOVE THROUGH LATER TONIGHT. AN
UPPER LEVEL TROF OF LOW PRESSURE... TRAVERSING THE NORTHERN TIER
OF STATES...WILL PUSH THIS COLD FRONT ACROSS WESTERN AND NORTH
CENTRAL NEBRASKA LATE TONIGHT. STRONG NORTHERLY WINDS ON THE BACK
SIDE OF THE EXITING FRONT WILL DEVELOP FRIDAY MORNING...AND
PERSIST UNTIL EARLY FRIDAY EVENING.

NEZ004-022-023-035-056-057-094-141000-
/O.CON.KLBF.HW.W.0004.081114T1200Z-081115T0000Z/
SHERIDAN-GARDEN-GRANT-ARTHUR-DEUEL-KEITH-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...ARTHUR...CHAPPELL...BIG SPRINGS...OGALLALA...CODY...
MERRIMAN...KILGORE
245 PM MST THU NOV 13 2008

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
WIND ADVISORY. A HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO
5 PM MST FRIDAY. 

LATE TONIGHT...NORTHWEST WINDS WILL INCREASE TO 35 TO 45 MPH WITH
GUSTS TO 60 MPH IN OPEN AREAS. THE HIGH WINDS WILL CONTINUE
THROUGHOUT THE DAY FRIDAY AND DECREASE QUICKLY AFTER SUNDOWN.

TRAVEL FRIDAY ACROSS THE NEBRASKA PANHANDLE AND WESTERN SANDHILLS
COULD BECOME HAZARDOUS. MONITOR THE LATEST FORECASTS AND BE
PREPARED FOR STRONG CROSS WINDS AND FLYING DEBRIS.

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.

$$

NEZ005>010-024>029-036>038-058-059-069>071-141000-
/O.CON.KLBF.WI.Y.0027.081114T1200Z-081115T0000Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-HOOKER-THOMAS-
BLAINE-LOUP-GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...MULLEN...THEDFORD...DUNNING...
TAYLOR...BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
345 PM CST THU NOV 13 2008 /245 PM MST THU NOV 13 2008/

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ TO
6 PM CST /5 PM MST/ FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ TO
6 PM CST /5 PM MST/ FRIDAY. 

NORTHWEST WINDS WILL INCREASE TO 30 TO 35 MPH IN THE MORNING AND
REMAIN STRONG THROUGHOUT THE DAY. WIND GUSTS TO 55 MPH ARE LIKELY
IN OPEN AREAS. WIND SPEEDS SHOULD BEGIN TO SUBSIDE TOWARD
NIGHTFALL.

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.

$$
CDC

000 
WWUS73 KLBF 140837
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
237 AM CST FRI NOV 14 2008

...VERY WINDY CONDITIONS EXPECTED ACROSS THE WESTERN AND NORTH
CENTRAL NEBRASKA TODAY...

.STRONG NORTHERLY WINDS WILL DEVELOP BEHIND AN EXITING COLD FRONT
TODAY AND REMAIN STRONG THROUGH SUNSET THIS AFTERNOON. 

NEZ004-022-023-035-056-057-094-150000-
/O.CON.KLBF.HW.W.0004.081114T1200Z-081115T0000Z/
SHERIDAN-GARDEN-GRANT-ARTHUR-DEUEL-KEITH-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...ARTHUR...CHAPPELL...BIG SPRINGS...OGALLALA...CODY...
MERRIMAN...KILGORE
137 AM MST FRI NOV 14 2008

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 PM MST THIS AFTERNOON...

STRONG NORTHWESTERLY WINDS WILL INCREASE TODAY TO 35 TO 45 MPH...WITH
GUSTS APPROACHING 60 MPH IN OPEN AREAS. WIND SPEEDS ARE EXPECTED
TO DIMINISH QUICKLY AFTER SUNSET LATER THIS AFTERNOON. 

ACROSS THE EASTERN PANHANDLE AND WESTERN SANDHILLS...DRIVERS OF LIGHTWEIGHT OR
HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR HAZARDOUS CROSS WINDS
AND THE POSSIBILITY OF REDUCED VISIBILITIES DUE TO BLOWING DUST.

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 WILL MAKE TRAVEL HAZARDOUS AND LEAD TO POSSIBLE
PROPERTY DAMAGE. 

$$

NEZ005>010-024>029-036>038-058-059-069>071-150000-
/O.CON.KLBF.WI.Y.0027.081114T1200Z-081115T0000Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-HOOKER-THOMAS-
BLAINE-LOUP-GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...MULLEN...THEDFORD...DUNNING...
TAYLOR...BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
237 AM CST FRI NOV 14 2008 /137 AM MST FRI NOV 14 2008/

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ THIS
MORNING TO 6 PM CST /5 PM MST/ THIS AFTERNOON...

NORTHWESTERLY WINDS OF 30 TO 40 MPH...WITH GUSTS TO 50 MPH ARE
LIKELY TODAY ACROSS A LARGE PORTION OF WESTERN AND NORTH CENTRAL
NEBRASKA. WINDS ARE EXPECTED TO DIMINISH QUICKLY AFTER SUNSET THIS
AFTERNOON. 

DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD EXERCISE
CAUTION AND BE PREPARED FOR STRONG CROSSWINDS TODAY. 


$$

CLB

000 
WWUS73 KLBF 140949 CCA
NPWLBF

URGENT - WEATHER MESSAGE...CORRECTED FOR TYPO
NATIONAL WEATHER SERVICE NORTH PLATTE NE
350 AM CST FRI NOV 14 2008

...VERY WINDY CONDITIONS EXPECTED ACROSS WESTERN AND NORTH CENTRAL 
NEBRASKA TODAY...

.STRONG NORTHERLY WINDS WILL DEVELOP BEHIND AN EXITING COLD FRONT
TODAY AND REMAIN STRONG THROUGH SUNSET THIS AFTERNOON. 

NEZ004-022-023-035-056-057-094-150000-
/O.CON.KLBF.HW.W.0004.081114T1200Z-081115T0000Z/
SHERIDAN-GARDEN-GRANT-ARTHUR-DEUEL-KEITH-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...ARTHUR...CHAPPELL...BIG SPRINGS...OGALLALA...CODY...
MERRIMAN...KILGORE
137 AM MST FRI NOV 14 2008

...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS
MORNING TO 5 PM MST THIS AFTERNOON...

STRONG NORTHWESTERLY WINDS WILL INCREASE TODAY TO 35 TO 45 MPH...WITH
GUSTS APPROACHING 60 MPH IN OPEN AREAS. WIND SPEEDS ARE EXPECTED
TO DIMINISH QUICKLY AFTER SUNSET LATER THIS AFTERNOON. 

ACROSS THE EASTERN PANHANDLE AND WESTERN SANDHILLS...DRIVERS OF LIGHTWEIGHT OR
HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR HAZARDOUS CROSS WINDS
AND THE POSSIBILITY OF REDUCED VISIBILITIES DUE TO BLOWING DUST.

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 WILL MAKE TRAVEL HAZARDOUS AND LEAD TO POSSIBLE
PROPERTY DAMAGE. 

$$

NEZ005>010-024>029-036>038-058-059-069>071-150000-
/O.CON.KLBF.WI.Y.0027.081114T1200Z-081115T0000Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-HOOKER-THOMAS-
BLAINE-LOUP-GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...MULLEN...THEDFORD...DUNNING...
TAYLOR...BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
237 AM CST FRI NOV 14 2008 /137 AM MST FRI NOV 14 2008/

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM CST /5 AM MST/ THIS
MORNING TO 6 PM CST /5 PM MST/ THIS AFTERNOON...

NORTHWESTERLY WINDS OF 30 TO 40 MPH...WITH GUSTS TO 50 MPH ARE
LIKELY TODAY ACROSS A LARGE PORTION OF WESTERN AND NORTH CENTRAL
NEBRASKA. WINDS ARE EXPECTED TO DIMINISH QUICKLY AFTER SUNSET THIS
AFTERNOON. 

DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD EXERCISE
CAUTION AND BE PREPARED FOR STRONG CROSSWINDS TODAY. 


$$

CLB

000 
WWUS73 KLBF 142359
NPWLBF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
559 PM CST FRI NOV 14 2008

...HIGH WIND WARNING CANCELLED...

.WINDS CONTINUED TO DIMINISH OVER WESTERN AND NORTH CENTRAL
NEBRASKA TONIGHT THE HIGH WIND WARNING AND THE WIND ADVISORY HAVE
BEEN CANCELLED.

NEZ004-022-023-035-056-057-094-150100-
/O.CAN.KLBF.HW.W.0004.000000T0000Z-081115T0000Z/
SHERIDAN-GARDEN-GRANT-ARTHUR-DEUEL-KEITH-WESTERN CHERRY-
INCLUDING THE CITIES OF...GORDON...RUSHVILLE...OSHKOSH...
HYANNIS...ARTHUR...CHAPPELL...BIG SPRINGS...OGALLALA...CODY...
MERRIMAN...KILGORE
459 PM MST FRI NOV 14 2008

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
HIGH WIND WARNING. 

WINDS CONTINUE TO DIMINISH OVER WESTERN NEBRASKA TONIGHT AND HAVE
FALLEN BELOW WARNING AND ADVISORY CRITERIA.

$$

NEZ005>010-024>029-036>038-058-059-069>071-150100-
/O.CAN.KLBF.WI.Y.0027.000000T0000Z-081115T0000Z/
EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-HOOKER-THOMAS-
BLAINE-LOUP-GARFIELD-WHEELER-MCPHERSON-LOGAN-CUSTER-PERKINS-
LINCOLN-CHASE-HAYES-FRONTIER-
INCLUDING THE CITIES OF...VALENTINE...SPRINGVIEW...SPENCER...
AINSWORTH...BASSETT...ONEILL...MULLEN...THEDFORD...DUNNING...
TAYLOR...BURWELL...BARTLETT...TRYON...STAPLETON...BROKEN BOW...
GRANT...NORTH PLATTE...IMPERIAL...HAYES CENTER...CURTIS...EUSTIS
559 PM CST FRI NOV 14 2008 /459 PM MST FRI NOV 14 2008/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS CANCELLED THE
WIND ADVISORY. 

WINDS COONTINUE TO DIMINISH OVER WESTERN AND NORTH CENTRAL
NEBRASKA THIS EVENING AND HAVE FALLEN BELOW ADVISORY CRITERIA.

$$
POWER

AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
918 AM CST THU NOV 13 2008

PER 12Z NAM AND MEDICINE BOW PROFILER...WINDS COULD EASILY REACH WIND
ADVISORY LEVELS TODAY ACROSS PARTS OF WRN NEB THIS AFTN SO THE 3
PANHANDLE COUNTIES HAVE BEEN PLACED IN A WIND ADVISORY FOR STARTERS.
OTHER COUNTIES CAN BE ADDED AS NEEDED ACROSS SWRN NEB WHERE HIGH
SPEED WINDS MAY TRY AND MIX DOWN.

PREVIOUS DISCUSSION...

.SYNOPSIS...

A STRONG UPR LVL JET /140+ KT/ CONTINUES TO SPREAD EAST TOWARD
THE GREAT PLAINS. WV IMAGERY REVEALS AN EMBEDDED LOW AMPLITUDE S/W
TROUGH EXITING SOUTHERN BRITISH COLUMBIA INTO NORTHERN
MONTANA...WHILE A SECOND TROUGH WAS ENTERING MINNESOTA. THE
MONTANA DISTURBANCE IS EXPECTED TO SLIDE SOUTHEAST INTO THE PLAINS
THROUGH TODAY. MEANWHILE...EVENING SFC OBS REVEAL A LOW PRESSURE
CENTER LOCATED AHEAD OF THE NORTHERN ROCKIES S/W TROUGH. THIS SFC
LOW WILL MOVE EAST ACROSS SOUTHERN CANADA...WITH A SOUTHWARD
TRAILING COLD FRONT ENTERING THE REGION BY EARLY AFTERNOON.

&&

.DISCUSSION...

WEAK RETURNS ARE OBSERVED IN RECENT REGIONAL REFLECTIVITY OVER
SOUTH DAKOTA AND FAR NORTH CENTRAL NEBRASKA. SFC DEWPOINT
DEPRESSIONS ARE FAIRLY LARGE...SO ANY PRECIP FROM THESE SHOWERS IS
LIKELY EVAPORATING BEFORE IT REACHES THE SFC. HOWEVER...EXPECT
WEAK SHOWER ACTIVITY TO REMAIN POSSIBLE THROUGH THE MORNING AS THE
UPR LVL DISTURBANCE ENTERS THE DAKOTAS...WITH GREATEST PROBABILITY
FOR PRECIP REMAINING OVER NORTH CENTRAL NEBRASKA. BY
AFTERNOON...SHORT TERM MODEL GUIDANCE INDICATES STRENGTHENING
FRONTOGENESIS OVER THE CWA...BUT WITH DRY BOUNDARY LAYER IN
PLACE...DO NOT FEEL PRECIP WILL BE GENERATED. OTHERWISE...A SFC
FRONT CURRENTLY APPROACHING THE WESTERN DAKOTAS IS FCST TO MOVE
SOUTHEAST ACROSS THE CWA SHORTLY AFTER 18Z. PRIOR TO THE
FROPA...MODERATE WESTERLY LOW LVL FLOW WILL SPREAD FROM WY/NEB
PANHANDLE INTO WESTERN/SOUTHWESTERN NEB. THIS DOWNSLOPE FLOW
HAS THE POTENTIAL TO BOOST HIGH TEMPERATURES INTO THE MID 60S OVER
THE SOUTHERN HALF OF THE CWA. CURRENT SFC OBS SEEM TO SUPPORT THE
POTENTIAL FOR STRONG ADIABATIC WARMING...AS TEMPERATURES OVER THE
NEB PANHANDLE ARE IN THE MID 40S TO LOW 50S WHERE WESTERLY WINDS
GUSTING UP TO 20-30 KT ARE PRESENT.

MID LVL FRONTOGENESIS IS STILL FCST TO BECOME POSITIONED FROM THE
PANHANDLE SOUTHEAST ACROSS WESTERN INTO SOUTHERN NEBRASKA TONIGHT.
CROSS SECTIONS INDICATE THAT BOUNDARY LAYER WILL BE FAIRLY
DRY...AND AGEOSTROPHIC CIRCULATION IS NOT PARTICULARLY
STRONG...THUS DO NOT EXPECT A SIGNIFICANT PRECIP EVENT. FCST
SOUNDINGS INDICATE THAT PRECIPITATION TYPE ALONG AND EAST OF AN
OGALLALA TO SPRINGVIEW LINE WILL BE LIQUID FROM 00-06Z
FRIDAY...AND THEN TREND TOWARD A RAIN/SNOW MIX AFTER 06Z AS THE
ATMOSPHERE COOLS DUE TO LOW/MID LVL CAA. WEST OF THAT LINE...A
RAIN/SNOW MIX TRANSITIONING TO SNOW SHOWERS IS EXPECTED. SNOWFALL
ACCUMULATIONS OVER WESTERN NEBRASKA ARE EXPECTED TO BE LESS THAN
AN INCH. A MUCH COLDER SFC AIRMASS THEN ADVECTS SOUTHEAST INTO THE
REGION ON FRIDAY...ASSOCIATED WITH A FAST MOVING S/W TROUGH
DROPPING SOUTH THROUGH THE NORTHERN AND CENTRAL PLAINS.
PRECIPITATION CHANCES DECREASE SUBSTANTIALLY ACROSS THE REGION.
HOWEVER...THE ONE EXCEPTION WILL BE OVER NORTH CENTRAL
NEBRASKA...WHERE STEEP LAPSE RATES WILL PROMOTE SHALLOW CONVECTIVE
SNOW SHOWERS.

THE MAJOR CONCERN FOR FRIDAY WILL BE STRONG WINDS. AS THE MID LVL
S/W TROUGH PIVOTS EAST/SOUTHEAST THROUGH THE CENTRAL PLAINS...COLD
MID LVL AIR /-15 DEG C AT 700 MB/ WILL SPREAD SOUTH INTO THE CWA.
THIS WILL RESULT IN VERY STEEP LOW LVL LAPSE RATES /NEARLY DRY
ADIABATIC IN THE 0-3 KM LAYER/. SFC PRESSURE AND LOW LVL HEIGHT
GRADIENT WILL BE STRONG...RESULTING IN SUSTAINED WINDS OF 30-40 KT
OVER THE WESTERN HALF OF THE CWA...WITH LOW LVL THERMODYNAMIC
PROFILE PROMOTING VERY EFFICIENT MOMENTUM TRANSFER OF 40-50 KT
FLOW WITHIN THE 1-2 KM LAYER DOWN TO THE SFC...RESULTING IN VERY
STRONG GUSTS. THUS...CONDITIONS WILL EASILY MEET WIND ADVISORY
CRITERIA OVER MOST OF THE CWA...WITH HIGH WIND CONDITIONS POSSIBLE
OVER OUR EASTERN PANHANDLE COUNTIES /WHERE A HIGH WIND WATCH WILL
BE POSTED/. WINDS WILL DECREASE IN STRENGTH HEADING INTO FRIDAY
NIGHT AS SFC HIGH PRESSURE MOVES EAST OFF THE FRONT RANGE. SKIES
ARE ALSO EXPECTED TO CLEAR OVER THE WESTERN HALF OF THE
CWA...SETTING UP COLD OVERNIGHT LOWS /TEENS/. THE SFC HIGH THEN
BECOMES CENTERED FROM THE NORTHERN PLAINS SOUTH INTO TEXAS BY
SATURDAY AFTERNOON. THIS WILL SET UP A TEMPERATURE GRADIENT
CHARACTERIZED BY 40S OVER OUR WESTERN COUNTIES AND MID 30S OVER
THE EAST. TEMPERATURES THEN MODERATE ON SUNDAY AS WEAK S/W RIDGING
SLIDES SOUTHEAST ACROSS THE REGION...FOLLOWED BY ANOTHER DRY LOW
AMPLITUDE DISTURBANCE EMANATING OUT OF CANADA DURING SUNDAY NIGHT.

&&

.AVIATION...

AN UPPER LEVEL TROF OF LOW PRESSURE WILL DIVE SOUTH FROM
THE NORTHERN ROCKIES TODAY...SPREADING ABUNDANT MID TO HIGH LEVEL
CLOUDINESS ACROSS WESTERN AND NORTH CENTRAL NEBRASKA. THIS FEATURE
WILL DRIVE A COLD FRONT THROUGH THE REGION AFTER 03Z TONIGHT. LIGHT
PRECIPITATION...ASSOCIATED WITH PASSAGE OF THE FRONT...IS
POSSIBLE...PARTICULARLY ACROSS NORTHERN NEBRASKA...AFFECTING THE
KVTN TERMINAL. AS COLDER AIR BEHIND THE FRONT FILTERS INTO WESTERN
AND NORTH CENTRAL NEBRASKA LATER TONIGHT...CEILINGS WILL BEGIN TO
DECREASE TO MVFR LEVELS. LIGHT PRECIPITATION ASSOCIATED WITH THE
FRONT IS EXPECTED TO REMAIN ALL LIQUID SO VISIBILITIES WILL NOT BE
HINDERED. FINALLY...A BY PRODUCT OF THE STRONG COLD AIR ADVECTION
BEHIND THE FRONT...WILL BE STRONG SURFACE WINDS. NORTHWESTERLY WINDS
GUSTING TO 35 KTS ARE LIKELY LATER IN THE DAY FRIDAY...WITH SOME
PERIODIC GUSTS TO 45 KTS POSSIBLE...ESPECIALLY DURING THE AFTERNOON
HOURS. WINDS WILL BEGIN TO DIMINISH LATE FRIDAY AFTERNOON AND EARLY
FRIDAY EVENING.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...HIGH WIND WATCH FROM LATE TONIGHT
THROUGH FRIDAY AFTERNOON FOR NEB ZONES 004-022-023-035-056-057-094...
WIND ADVISORY IN EFFECT UNTIL 4 PM MST THIS AFTERNOON NEB ZONES 004-
022-056

&&

CDC/DP

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1039 AM CST THU NOV 13 2008

NEZ004>010-022>029-035>038-056>059-069>071-094-141645-
SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN-
GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON-
LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER-
WESTERN CHERRY-
1039 AM CST THU NOV 13 2008 /939 AM MST THU NOV 13 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND
NORTH CENTRAL NEBRASKA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

STRONG WINDS WILL CONTINUE TO MOVE OFF THE WYOMING ROCKIES INTO
THE NEBRASKA PANHANDLE THROUGH THE AFTERNOON. WIND GUSTS FROM THE
WEST NORTHWEST WILL BE UP TO 45 MPH AT TIMES AND MAY CAUSE SOME
TRAVEL DIFFICULTIES FOR NORTH TO SOUTH ORIENTED ROADWAYS AND HIGH
PROFILE VEHICLES.

A COLD FRONTAL PASSAGE TONIGHT WILL LIKELY BRING ANOTHER ROUND OF
STRONG WINDS AS COOLER AIR FILTERS INTO THE REGION. NORTHWEST
WINDS WILL INCREASE BEHIND THE FRONT AND GUSTS UP TO 45 MPH LOOK
TO BECOME MORE WIDESPREAD ACROSS WESTERN AND NORTH CENTRAL
NEBRASKA THROUGH THE OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

STRONG NORTHWESTERLY WINDS WILL CONTINUE FOR FRIDAY ACROSS THE
ENTIRE OUTLOOK AREA. NORTHWESTERLY WINDS OF 25 TO 35 MPH...WITH
GUSTS TO 45 MPH ARE EXPECTED. SOME WIND GUSTS MAY REACH 60 MPH
ACROSS THE EASTERN PANHANDLE...AS WELL AS...KEITH...ARTHUR...GRANT
AND WESTERN CHERRY COUNTY. WINDS ARE EXPECTED TO DIMINISH AFTER
SUNSET.

AFTER FRIDAY...NO ADDITIONAL HAZARDOUS WEATHER IS EXPECTED AT THIS
TIME.

.SPOTTER INFORMATION STATEMENT...

  SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER...
HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WWW.CRH.NOAA.GOV/LBF(ALL LOWERCASE)

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