Snow Advisory 3, NWS North Platte, NE

000 
WWUS43 KLBF 112142
WSWLBF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
342 PM CST MON FEB 11 2008

NEZ005-008-094-112245-
/O.CAN.KLBF.SN.Y.0003.000000T0000Z-080212T0300Z/
EASTERN CHERRY-BROWN-WESTERN CHERRY-
INCLUDING THE CITIES OF...VALENTINE...AINSWORTH...CODY...
MERRIMAN...KILGORE
342 PM CST MON FEB 11 2008 /242 PM MST MON FEB 11 2008/

...SNOW ADVISORY IS CANCELLED...

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

MODERATE AND HEAVY SNOW HAS ENDED FOR THE AFTERNOON HOURS. A
REDEVELOPMENT OF LIGHT SNOW WITH LIGHT SNOW ACCUMULATIONS WILL
REMAIN POSSIBLE THIS EVENING...HOWEVER SIGNIFICANT ACCUMULATIONS
ARE NOT EXPECTED AT THIS TIME.

$$

NEZ006-007-009-010-120300-
/O.CON.KLBF.SN.Y.0003.000000T0000Z-080212T0300Z/
KEYA PAHA-BOYD-ROCK-HOLT-
INCLUDING THE CITIES OF...SPRINGVIEW...SPENCER...BASSETT...ONEILL
342 PM CST MON FEB 11 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS EVENING. 

A STRONG UPPER LEVEL DISTURBANCE WILL CONTINUE TO MOVE ACROSS
NORTHERN NEBRASKA AND SOUTHERN SOUTH DAKOTA THIS EVENING. THIS
WILL BRING WIDESPREAD MODERATE SNOW...WITH BRIEF PERIODS OF HEAVY
SNOW...THROUGH THE EVENING HOURS ACROSS PORTIONS OF NORTHERN
CENTRAL NEBRASKA. TOTAL SNOWFALL ACCUMULATIONS 2 TO 4 INCHES ARE
EXPECTED WITH LOCAL AMOUNTS AROUND 5 INCHES POSSIBLE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MASEK

000 
WWUS43 KLBF 120301
WSWLBF

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORTH PLATTE NE
901 PM CST MON FEB 11 2008


NEZ006-007-009-010-120415-
/O.CAN.KLBF.SN.Y.0003.000000T0000Z-080212T0300Z/
KEYA PAHA-BOYD-ROCK-HOLT-
INCLUDING THE CITIES OF...SPRINGVIEW...SPENCER...BASSETT...ONEILL
901 PM CST MON FEB 11 2008

...SNOW ADVISORY IS CANCELLED...

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

LIGHT SNOW WILL GRADUALLY END AFTER MIDNIGHT. ADDITIONAL SNOW
ACCUMULATIONS WILL BE LIGHT RANGING FROM A DUSTING UP TO A HALF
INCH.

$$

KAR

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
332 AM CST MON FEB 11 2008

.SYNOPSIS...

A FAST MOVING UPPER LEVEL TROF OF LOW PRESSURE AND AN ASSOCIATED
SURFACE TROF WILL MOVE ACROSS THE NORTHERN AND CENTRAL
PLAINS...SPREADING LIGHT SNOW INTO NORTHERN NEBRASKA TODAY.

DISCUSSION...

AT 08Z CONSIDERABLE CLOUD COVERAGE EXTENDED ACROSS THE FORECAST
AREA AS A STRATUS LAYER WAS STRUGGLING TO WORK WEST OF A TIF AND LBF
LINE. TODAY MODELS ARE IN GENERAL AGREEMENT INCREASING FRONTOGENETIC
FORCING AS A LOW PRESSURE SYSTEM ALONG THE EASTERN ROCKIES DROPS
SOUTHEAST THROUGH 12Z THEN BEGINS TO WEAKEN WHILE THE MAIN ENERGY
SHIFTS SOUTH AND EAST. ISENTROPIC LIFT INCREASES THIS MORNING WITH
SNOW EXPECTED TO DEVELOP ACROSS THE NORTH AND NORTH CENTRAL WHERE
INCREASING MOISTURE CONVERGENCE AND LIFT WILL ENHANCE FORCING INTO
THE AFTERNOON TO PRODUCE 1 TO 2 INCHES OF SNOW ACCUMULATIONS OVER
PORTIONS OF BOYD INTO NORTHERN HOLT COUNTY THROUGH 6 PM. WEST OF
HIGHWAY 83 THE PERIOD OF BETTER LIFT WILL BE SHORTLIVED AS
DOWNGLIDE WINDS INCREASE BY NOONTIME AS THE SYSTEM BEGINS TO
WEAKENS AND THE MAIN LOW CENTER REDEVELOPS FURTHER SOUTH INTO THE
SOUTHERN PLAINS. TEMPERATURES THIS MORNING WILL CLIMB INTO THE 30S
AND 40S ACROSS THE WEST WHERE A MIXTURE OF RAIN AND SNOW...OR RAIN
SHOWERS SOUTHWEST WILL BE POSSIBLE. ALL SNOW IS EXPECTED EAST OF
HIGHWAY 83.

THIS EVENING THE CHANCE FOR SNOW WILL COME TO AN END ACROSS THE
NORTH CENTRAL AS THE UPPER TROUGH AXIS MOVES SOUTHEAST. THEN HEIGHTS
RISES AS A PROGRESSIVE PATTERN BUILDS THE UPPER RIDGE EAST
OVERNIGHT INTO TUESDAY. THIS WILL BRING SEASONABLE TEMPERATURES TO
THE AREA TUESDAY AND INTO WEDNESDAY. ON WEDNESDAY THE NEXT STORM
SYSTEM WILL MOVE OUT OF THE ROCKIES WITH TIMING ISSUES DEVELOPING
BETWEEN LONG RANGE MODELS. THE ECMWF IS SLOWER WITH THIS SYSTEM
THAT COULD PUSH TEMPERATURES HIGHER...BUT FOR NOW STICKING WITH
THE PROGRESSIVE GFS SOLUTION THAT WILL BRING ANOTHER GLANCING SHOT
OF COLDER AIR SOUTH FOR THURSDAY THEN AGAIN SATURDAY AS COLD FRONTS
MOVES SOUTHEAST.

&&

.AVIATION...

AT THE KVTN TERMINAL...LIGHT SNOW IS POSSIBLE FROM 14Z TO 22Z
TODAY WITH VISIBILITIES PERIODICALLY DROPPING TO 2SM. AFTER 22Z
VISIBILITIES OF GREATER THAN 6SM ARE EXPECTED. MVFR CEILINGS OF
3000 FT OR LESS ARE EXPECTED FROM 12Z THIS MORNING TO 12Z TUESDAY.
LOOK FOR CEILINGS TO APPROACH 1000 FEET...ESPECIALLY IN THE
VICINITY OF SNOW SHOWERS FROM 14Z TO 22Z TODAY...AND AFTER 03Z
TONIGHT AS ARCTIC AIR PUSHES WEST ACROSS NORTHERN NEBRASKA. WINDS
WILL BE PREDOMINATELY FROM THE NORTHWEST TODAY AT 10 TO 20
KTS...WITH GUSTS UP TO 25 KTS FROM 18Z TO 24Z TODAY. WINDS WILL
DIMINISH TO 10 KTS AFTER 00Z THIS EVENING.

AT THE KLBF TERMINAL...BROKEN TO OVERCAST CLOUDINESS AROUND 1000 FT
IS POSSIBLE THROUGH 16Z THIS MORNING. AFTER 16Z...BROKEN TO OVERCAST
CEILINGS OF GREATER THAN 6000 FEET ARE FORECAST FOR THE REST OF
TODAY AND TONIGHT WITH UNLIMITED VISIBILITIES. WINDS WILL BE
NORTHWESTERLY AT 10 TO 20 KTS TODAY...WITH PERIODIC GUSTS TO 25 KTS
FROM 18Z TO 24Z THIS AFTERNOON. AFTER 00Z...WINDS WILL DIMINISH TO
AROUND 10 KTS.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...NONE.
&&

TLK/CLB

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
506 AM CST MON FEB 11 2008

NEZ004>010-022>029-035>038-056>059-069>071-094-121130-
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-
506 AM CST MON FEB 11 2008 /406 AM MST MON FEB 11 2008/

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

.DAY ONE...TODAY AND TONIGHT.

AN UPPER LEVEL DISTURBANCE...MOVING ACROSS THE DAKOTAS AND
NORTHERN NEBRASKA...WILL SPREAD WINTRY PRECIPITATION TO CENTRAL
AND NORTHERN NEBRASKA TODAY. SNOW ACCUMULATIONS OF 1 TO 2 INCHES
ARE LIKELY ALONG AND NORTH OF A LINE FROM MERRIMAN...TO
BROWNLEE...TO EWING. SNOWFALL WILL COME TO AN END DURING THE
EVENING HOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO 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 CLIMATOLOGICAL INFORMATION...AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE

CLB