HAZARDOUS WEATHER OUTLOOK
Issue Date: 527 PM CST WED DEC 23 2009
Expiration: 730 AM CST THU DEC 24 2009

Expires:200912241330;;
FLUS43 KOAX 232326
HWOOAX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
526 PM CST WED DEC 23 2009
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-241330-
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
526 PM CST WED DEC 23 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.
.DAY ONE...TONIGHT AND THURSDAY
SNOW WILL CONTINUE ACROSS PORTIONS OF NORTHEAST NEBRASKA THIS
EVENING WITH SEVERAL INCHES ACCUMULATION BEFORE TAPERING TO
FLURRIES. SOME RAIN OR POCKETS OF FREEZING RAIN MAY ALSO MOVE
THROUGH PORTIONS OF EAST CENTRAL NEBRASKA AND WESTERN IOWA THIS
EVENING...BUT WIDESPREAD ADDITIONAL TRAVEL PROBLEMS ARE NOT
EXPECTED IN THIS AREA.
THE NEXT ROUND OF PRECIPITATION IS EXPECTED TO MOVE INTO THE AREA
ON TUESDAY. MUCH OF THE REGION WILL FINALLY BE COLD ENOUGH FOR ALL
SNOW...BUT FAR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA SHOULD STILL
SEE ADDITIONAL FREEZING RAIN THURSDAY MORNING BEFORE SWITCHING TO
SNOW. SOME ICE ACCUMULATIONS UP TO ONE QUARTER INCH COULD STILL
OCCUR FROM FALLS CITY NEBRASKA TO CLARINDA IOWA.
WINDS WILL ALSO BE INCREASING TO 25 TO 35 MPH THROUGH THE DAY
THURSDAY AS THE SNOW BEGINS TO DEVELOP...CREATING AREAS OF BLOWING
AND DRIFTING SNOW ALSO...WITH CONDITIONS DETERIORATING THROUGH
THE DAY.
AS A RESULT...A WINTER STORM WARNING IS IN EFFECT FOR NORTHEAST
NEBRASKA THROUGH FRIDAY NIGHT...AND A WINTER STORM WARNING HAS
BEEN ISSUED FOR SOUTHEAST NEBRASKA AND SOUTHWEST IOWA FROM
THURSDAY THROUGH FRIDAY. A FEW INCHES OF SNOW WILL BE POSSIBLE BY
SUNSET CHRISTMAS EVE.
.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY
SNOW AND BLOWING SNOW WILL CONTINUE THROUGH FRIDAY NIGHT. THE
HEAVIEST SNOW APPEARS TO BE SETTING UP IN THE MISSOURI RIVER
VALLEY. WINDS INCREASING TO 30 TO 40 MPH WITH HIGHER GUSTS WILL
CREATE NEAR BLIZZARD CONDITIONS LATE THURSDAY THROUGH CHRISTMAS
DAY. SEVERAL INCHES OF SNOW WILL OCCUR...WITH A STORM TOTAL
RANGING FROM 6 TO 15 INCHES ACROSS THE REGION. THE WINDS WILL
CREATE SUBSTANTIAL BLOWING AND DRIFTING SNOW...WHICH MAY MAKE
TRAVEL IMPOSSIBLE AT SOME POINT THROUGH THE HOLIDAY PERIOD FOR
SOME AREAS.
THIS IS A MAJOR WINTER STORM THAT WILL HAVE A SIGNIFICANT IMPACT
ON THE ENTIRE MISSOURI VALLEY REGION. REMAIN ALERT OF THE FORECAST...
ESPECIALLY IF TRAVELING...AND BE PREPARED FOR A LONG DURATION
EVENT ONCE IT BEGINS THURSDAY MORNING. YOU SHOULD BE COMPLETING
YOUR PREPAREDNESS PLANS NOW.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR THURSDAY. HOWEVER...
WE DO ENCOURAGE SPOTTERS TO REPORT SNOWFALL TOTALS AND TRAVEL RELATED
IMPACTS.
$$

WINTER STORM WARNING
Issue Date: 401 PM CST WED DEC 23 2009
Expiration: 600 AM CST SAT DEC 26 2009

...POWERFUL STORM TO DEVELOP THROUGH FRIDAY NIGHT ...
.THE MAIN PORTION OF THE STORM SYSTEM IS OVER ARIZONA...HOWEVER
ONE PIECE OF THE STORM CAME OUT TODAY AND WILL LIFT NORTHWARD INTO
SOUTH DAKOTA AND MINNESOTA TONIGHT. AS THE STORM OVER ARIZONA
HEADS INTO TEXAS TONIGHT...ANOTHER WEATHER SYSTEM WILL MOVE INTO
MONTANA. THURSDAY...THESE TWO WEATHER SYSTEM WILL BEGIN TO COMBINE
INTO ONE LARGE POWERFUL STORM SYSTEM THROUGH FRIDAY AND FRIDAY
NIGHT. THE RESULT WILL BE A LULL IN SIGNIFICANT PRECIPITATION
TONIGHT...AND INCREASING SNOW AND NORTHWEST WINDS FOR THURSDAY
THROUGH FRIDAY NIGHT. SOME OF THE PRECIPITATION WILL BE MIXED
UNTIL IT CHANGES OVER TO ALL SNOW DURING THE DAY THURSDAY FOR
PARTS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. IN ADDITION TO
SOME ICING...HEAVY SNOW AND BLOWING SNOW IS EXPECTED TO DEVELOP.
IAZ055-056-NEZ045-051-065-066-078-088-089-240615-
/O.CAN.KOAX.WW.Y.0019.000000T0000Z-091224T0600Z/
/O.UPG.KOAX.WS.A.0006.091224T0600Z-091226T1200Z/
/O.EXB.KOAX.WS.W.0007.091224T1200Z-091226T1200Z/
HARRISON-SHELBY-WASHINGTON-SAUNDERS-SEWARD-LANCASTER-SALINE-
JEFFERSON-GAGE-
INCLUDING THE CITIES OF...MISSOURI VALLEY...HARLAN...BLAIR...
WAHOO...SEWARD...LINCOLN...CRETE...FAIRBURY...BEATRICE
401 PM CST WED DEC 23 2009
...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 AM CST
SATURDAY...
...WINTER WEATHER ADVISORY IS CANCELLED...
THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WINTER
STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 6 AM THURSDAY TO 6 AM CST SATURDAY. THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.
* TIMING...A MIX OF VERY LIGHT RAIN...FREEZING DRIZZLE...SLEET AND
SNOW WILL BE POSSIBLE TONIGHT...HOWEVER ANY AMOUNTS SHOULD BE
LIGHT. THE INTENSITY AND AREAL COVERAGE WILL INCREASE...WITH ALL
SNOW EXPECTED DURING THE MORNING WITH DETERIORATING CONDITIONS
DUE TO THE STRENGTHENING WINDS.
* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS OF 5 TO 10 INCHES OF
SNOW MAY OCCUR FROM THIS STORM WITH LIGHTER AMOUNTS TOWARD FAIRBURY.
* ICE ACCUMULATIONS...ANY ICE ACCUMULATIONS SHOULD BE VERY LIGHT.
* WINDS...THE WIND WILL BE INCREASING THURSDAY...AND STRONG
NORTHWEST WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS SHOULD
CONTINUE THROUGH FRIDAY NIGHT LEADING TO CONSIDERABLE BLOWING
AND DRIFTING SNOW AND NEAR BLIZZARD CONDITIONS.
* IMPACTS...THIS SYSTEM WILL PRODUCE SIGNIFICANT IMPACTS TO TRAVEL
THURSDAY THROUGH FRIDAY NIGHT. ALONG WITH SIGNIFICANT SNOWFALL
STRONG WINDS WILL PRODUCE BLOWING AND DRIFTING SNOW LEADING TO
REDUCED VISIBILITIES. DUE TO THE COMBINATION OF THE STRONG WINDS
AND ICE STILL ON TREES AND POWER LINES...POWER OUTAGES WILL ALSO
BE POSSIBLE DURING THE STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN
AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...
FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY.
$$

WINTER STORM WATCH
Issue Date: 430 AM CST WED DEC 23 2009
Expiration: 600 AM CST SAT DEC 26 2009

...MESSY LONG DURATION WINTER STORM STILL ON TRACK FOR EASTERN
NEBRASKA AND SOUTHWEST IOWA...
.A LARGE AND INTENSE STORM SYSTEM WILL START TO AFFECT THE AREA
TODAY AND CONTINUE THROUGH THE DAY ON CHRISTMAS. THE STORM SYSTEM
WILL SPREAD SEVERAL ROUNDS OF WINTRY PRECIPITATION THROUGH THE
PERIOD LEADING TO POTENTIAL FOR SIGNIFICANT TRAVEL PROBLEMS FOR
THE CHRISTMAS WEEK. THE FIRST BATCH OF PRECIPITATION IS EXPECTED
TODAY...WITH THE SECOND TONIGHT AND THEN THE THIRD AND FINAL FROM
THURSDAY INTO FRIDAY NIGHT. AS THE PRECIPITATION BECOMES ALL SNOW WITH
TIME...WINDS WILL ALSO INCREASE LEADING TO CONSIDERABLE BLOWING
AND DRIFTING OF SNOW. CONDITIONS WILL START TO IMPROVE BY THE
WEEKEND.
IAZ043-055-056-069-NEZ034-045-051>053-065>068-231830-
/O.EXT.KOAX.WS.A.0006.091224T0600Z-091226T1200Z/
/O.CON.KOAX.WW.Y.0019.000000T0000Z-091224T0600Z/
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-BURT-WASHINGTON-SAUNDERS-
DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-
INCLUDING THE CITIES OF...ONAWA...MISSOURI VALLEY...HARLAN...
COUNCIL BLUFFS...TEKAMAH...BLAIR...WAHOO...OMAHA...BELLEVUE...
SEWARD...LINCOLN...PLATTSMOUTH...NEBRASKA CITY
430 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH
LATE FRIDAY NIGHT...
THE WINTER STORM WATCH IS NOW IN EFFECT FROM LATE TONIGHT THROUGH
LATE FRIDAY NIGHT. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL MIDNIGHT CST TONIGHT.
* TIMING...THE STORM SYSTEM WILL PRODUCE SEVERAL WAVES OF
PRECIPITATION. A WINTRY MIX OF FREEZING RAIN...SLEET...AND SNOW
ARE EXPECTED TODAY. THE PRECIPITATION WILL TEND TOWARD FREEZING
RAIN AND RAIN THIS AFTERNOON...ESPECIALLY SOUTH AND SOUTHEAST OF
OMAHA. THE WINTRY MIX WILL CONTINUE WEDNESDAY NIGHT...CHANGING
MORE TOWARD SLEET AND SNOW WEDNESDAY NIGHT AND THURSDAY. SNOW IS
EXPECTED TO CONTINUE INTO FRIDAY NIGHT.
* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS OF 6 OR MORE INCHES MAY
OCCUR FROM THIS STORM.
* ICE ACCUMULATIONS...SIGNIFICANT ICE ACCUMULATIONS ARE POSSIBLE
THROUGH TONIGHT. THE MOST SIGNIFICANT ICE ACCUMULATIONS LOOK TO
BE SOUTH OF SEWARD TO TEKAMAH TO HARLAN IOWA WHERE MORE THAN A
TENTH TO A QUARTER OF AN INCH OR MORE OF ICE IS POSSIBLE.
* WINDS...THE WIND WILL BE INCREASING THURSDAY...AND STRONG
NORTHWEST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS SHOULD
CONTINUE THROUGH FRIDAY NIGHT LEADING TO CONSIDERABLE BLOWING
AND DRIFTING SNOW LEADING TO NEAR WHITE OUT CONDITIONS.
* IMPACTS...THIS SYSTEM WILL PRODUCE SIGNIFICANT IMPACTS TO TRAVEL
FROM TODAY THROUGH FRIDAY NIGHT. ALONG WITH SIGNIFICANT
SNOWFALL AND ICE ACCUMULATIONS...STRONG WINDS WILL PRODUCE
BLOWING AND DRIFTING SNOW LEADING TO REDUCED VISIBILITIES. DUE
TO THE COMBINATION OF THE STRONG WINDS AND ICE
ACCUMULATIONS...POWER OUTAGES WILL ALSO BE POSSIBLE FROM THE
STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THAT THERE IS POTENTIAL FOR
SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS FOR UPDATES.
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
$$
BOUSTEAD/DEE

WINTER WEATHER ADVISORY
Issue Date: 347 PM CST TUE DEC 22 2009
Expiration: 1200 AM CST THU DEC 24 2009

...HOLIDAY TRAVEL TO BE AFFECTED BY A MAJOR WINTER STORM THIS
WEEK...
.A LARGE STORM SYSTEM OVER THE WEST COAST...WILL MOVE INTO THE
ROCKIES AND THEN PLAINS STATES THROUGH WEDNESDAY. THIS SYSTEM WILL
PHASE WITH ANOTHER STORM SYSTEM WEDNESDAY...RESULTING IN A VERY
COMPLEX WEATHER SITUATION THIS WEEK. A VARIETY OF WEATHER IS
EXPECTED WITH HEAVY SNOW...SLEET...FREEZING RAIN AND RAIN...THEN
AS THE SYSTEM PULLS ENOUGH COLD AIR IN...THE PRECIPITATION WILL
CHANGE OVER TO ALL SNOW AND BLOWING SNOW. SIGNIFICANT AMOUNTS OF
SNOW AND ICE ARE POSSIBLE WITH THIS SYSTEM WITH A HIGH IMPACT TO
TRAVEL.
IAZ043-055-056-069-NEZ034-045-051>053-065>068-230600-
/O.NEW.KOAX.WW.Y.0019.091223T0300Z-091224T0600Z/
/O.EXT.KOAX.WS.A.0006.091224T0600Z-091226T0000Z/
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-BURT-WASHINGTON-SAUNDERS-
DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-
INCLUDING THE CITIES OF...ONAWA...MISSOURI VALLEY...HARLAN...
COUNCIL BLUFFS...TEKAMAH...BLAIR...WAHOO...OMAHA...BELLEVUE...
SEWARD...LINCOLN...PLATTSMOUTH...NEBRASKA CITY
347 PM CST TUE DEC 22 2009
...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO
MIDNIGHT CST WEDNESDAY NIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE WEDNESDAY NIGHT
THROUGH FRIDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WINTER
WEATHER ADVISORY FOR FREEZING DRIZZLE...FREEZING RAIN...AND SLEET
AND SNOW...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO MIDNIGHT CST
WEDNESDAY NIGHT. THE WINTER STORM WATCH IS NOW IN EFFECT FROM LATE
WEDNESDAY NIGHT THROUGH FRIDAY AFTERNOON.
* TIMING...THE STORM SYSTEM WILL PRODUCE SEVERAL WAVES OF
PRECIPITATION. A WINTRY MIX OF FREEZING
DRIZZLE...SLEET...SNOW...AND RAIN WILL BE POSSIBLE THROUGH
MIDNIGHT WEDNESDAY NIGHT. INITIALLY THE PRECIPITATION WILL BE LIGHT
TONIGHT...WITH FREEZING DRIZZLE...THEN INCREASE IN INTENSITY
WITH FREEZING RAIN WEDNESDAY MORNING. SOME AREAS WILL EXPERIENCE
ENOUGH WARMING OF SURFACE TEMPERATURES...ESPECIALLY FOR AREAS
ALONG AND SOUTH OF OMAHA TO CHANGE OVER TO RAIN. WEDNESDAY NIGHT
THE WINTRY MIX WILL CONTINUE CHANGING OVER TO ALL SNOW LATE
WEDNESDAY NIGHT AND THURSDAY.
* SNOW ACCUMULATIONS...SNOW ACCUMULATIONS OF 6 INCHES OR MORE ARE
POSSIBLE FROM THIS STORM.
* ICE ACCUMULATIONS...ICE ACCUMULATIONS ARE POSSIBLE WEDNESDAY
MORNING BEFORE THE FREEZING RAIN BECOMES ALL RAIN. THE MOST
SIGNIFICANT ICE ACCUMULATIONS LOOK TO BE SOUTH OF SEWARD TO
TEKAMAH TO HARLAN IOWA WHERE MORE THAN A TENTH TO A QUARTER OF
AN INCH OR MORE OF ICE IS POSSIBLE.
* WINDS...THE WIND WILL BE INCREASING THURSDAY INTO THURSDAY
NIGHT AND CONTINUING THROUGH FRIDAY. SOME BLOWING AND DRIFTING
SNOW IS POSSIBLE DURING THAT TIME.
* IMPACTS...SIGNIFICANT IMPACTS TO TRAVEL ARE EXPECTED WITH THIS
STORM SYSTEM. DUE TO THE COMBINATION OF THE STRONG WINDS AND
SOME ICE ACCUMULATIONS...POWER OUTAGES WILL ALSO BE POSSIBLE
FROM THE STORM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THAT THERE IS POTENTIAL FOR
SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS FOR UPDATES.
A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
$$
ZAPOTOCNY/DEWALD