HAZARDOUS WEATHER OUTLOOK
Issue Date: 538 PM CST MON DEC 21 2009
Expiration: 745 AM CST TUE DEC 22 2009

Expires:200912221345;;
FLUS43 KOAX 212338
HWOOAX
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
538 PM CST MON DEC 21 2009
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-221345-
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-
538 PM CST MON DEC 21 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 TUESDAY
PATCHY FREEZING DRIZZLE AND FOG MAY RE DEVELOP TONIGHT...ESPECIALLY
NORTH OF A LINE FROM COLUMBUS TO RED OAK IOWA...THEN ACROSS THE
OUTLOOK AREA TUESDAY.
.DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH SUNDAY
A MAJOR WINTER STORM WILL AFFECT PORTIONS OF THE CENTRAL PLAINS
FROM LATE TUESDAY NIGHT THROUGH THURSDAY. WINTER STORM WATCHES ARE
POSTED FOR PARTS OF THE OUTLOOK AREA BEGINNING TUESDAY NIGHT AND
LASTING THROUGH FRIDAY.
THE STORM WILL MOVE THROUGH IN WAVES. THE FIRST WAVE OF
PRECIPITATION WILL EXPAND OVER THE REGION TUESDAY NIGHT AND
WEDNESDAY. THIS WAVE OF PRECIPITATION IS EXPECTED TO BRING A
WINTRY MIX OF SNOW...SLEET...FREEZING RAIN AND RAIN TO PARTS OF
EASTERN NEBRASKA AND SOUTHWEST IOWA. AT THIS TIME...IT APPEARS
SOUTHEAST NEBRASKA AND SOUTHWEST IOWA SHOULD SWITCH OVER TO ALL
RAIN WITH THE MIX CONTINUING FARTHER NORTH. ANOTHER WAVE OF
PRECIPITATION MOVES THROUGH WEDNESDAY NIGHT WITH A CONTINUED MIX
OF PRECIPITATION AND THE POTENTIAL FOR SIGNIFICANT ICING IN THE
BAND BETWEEN THE SNOW TO THE NORTH AND THE RAIN TO THE SOUTH OVER
PARTS OF EAST CENTRAL NEBRASKA AND WESTERN IOWA. THE MAIN PORTION
OF THE STORM MOVES THROUGH THURSDAY THROUGH FRIDAY MORNING. AS THE
STORMS DEEPENS THURSDAY...THE AREA RAIN...FREEZING RAIN...AND
SLEET WILL CHANGE OVER TO SNOW AND EXPAND FARTHER SOUTHEAST ALONG
WITH STRENGTHENING NORTHWEST WINDS. HEAVY SNOWFALL AMOUNTS IN
EXCESS OF 6 TO 12 INCHES WILL BE POSSIBLE WITH THIS STORM. BLIZZARD
CONDITIONS MAY BE REALIZED THURSDAY AFTERNOON INTO FRIDAY MORNING
DUE TO THE SNOW...AND BLOWING SNOW ACCOMPANIED BY NORTHWEST WINDS
20 TO 40 MPH AND GUSTY.
THIS STORM WILL AFFECT A LARGE PORTION OF THE CENTRAL PLAINS
DURING THE TIME WHEN HOLIDAY TRAVEL WILL BE AT A MAXIMUM. PLEASE
TAKE PRECAUTIONARY ACTIONS TO EITHER GET TO YOUR DESTINATION
EARLY...OR AVOID TRAVEL ALTOGETHER DURING THE BRUNT OF THIS WINTER
STORM.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR TUESDAY.
$$

WINTER STORM WATCH
Issue Date: 402 PM CST MON DEC 21 2009
Expiration: 600 AM CST FRI DEC 25 2009

...A STORM SYSTEM IS LIKELY TO AFFECT EASTERN NEBRASKA AND
SOUTHWEST IOWA DURING THE MID AND LATER PART OF THE WEEK...
.A COMPLEX WINTER WEATHER SITUATION IS EXPECTED TO DEVELOP ACROSS
THE CENTRAL PLAINS THE NEXT FEW DAYS. THIS SYSTEM HAS POTENTIAL
TO PRODUCE SIGNIFICANT AMOUNTS OF SNOW AND ICE. A DISTURBANCE IS
FORECAST TO MOVE OUT AHEAD OF THE MAIN SYSTEM TUESDAY NIGHT...
WHICH MAY BRING FREEZING DRIZZLE TO NORTHEAST NEBRASKA. FREEZING
RAIN OR SNOW IS MORE LIKELY FARTHER SOUTH ACROSS EAST CENTRAL
NEBRASKA AND WEST CENTRAL IOWA...WHILE SOUTHWEST IOWA AND
SOUTHEAST NEBRASKA ARE EXPECTED TO RECIEVE A MIX OF RAIN OR
FREEZING RAIN. IT APPEARS THAT ENOUGH WARM AIR COULD MOVE INTO THE
SOUTHEAST CORNER OF NEBRASKA AND SOUTHWEST IOWA ON WEDNESDAY
SO THE PRIMARY PRECIPITATION WILLBE RAIN. SNOW OR SLEET IS EXPECTED
FURTHER NORTH.
A SERIES OF IMPULSES WILL MOVE INTO THE REGION FROM WEDNESDAY NIGHT
INTO THURSDAY...BRINGING A CONTINUED MIX OF PRECIPITATION. STRONG
NORTH WINDS SHOULD DEVELOP ACROSS THE AREA THURSDAY INTO FRIDAY...CAUSING
BLOWING SNOW AND REDUCED VISIBILITIES.
IAZ043-055-056-069-NEZ011-012-015>018-030>034-042>045-050>053-065-
066-078-088-220615-
/O.EXT.KOAX.WS.A.0006.091223T0600Z-091225T1200Z/
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-KNOX-CEDAR-THURSTON-ANTELOPE-
PIERCE-WAYNE-BOONE-MADISON-STANTON-CUMING-BURT-PLATTE-COLFAX-
DODGE-WASHINGTON-BUTLER-SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-
SALINE-JEFFERSON-
INCLUDING THE CITIES OF...ONAWA...MISSOURI VALLEY...HARLAN...
COUNCIL BLUFFS...BLOOMFIELD...HARTINGTON...PENDER...NELIGH...
PIERCE...WAYNE...ALBION...NORFOLK...STANTON...WEST POINT...
TEKAMAH...COLUMBUS...SCHUYLER...FREMONT...BLAIR...DAVID CITY...
WAHOO...OMAHA...BELLEVUE...SEWARD...LINCOLN...CRETE...FAIRBURY
402 PM CST MON DEC 21 2009
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE THURSDAY NIGHT...
THE WINTER STORM WATCH IS NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH LATE THURSDAY NIGHT.
* TIMING: THE SYSTEM COULD START CAUSING PROBLEMS ACROSS EASTERN
NEBRASKA AND SOUTHWEST IOWA BY LATE TUESDAY NIGHT AND CONTINUE
THROUGH THURSDAY.
* SNOW ACCUMULATIONS: HEAVY SNOW COULD OCCUR IN NORTHEAST NEBRASKA
WEDNESDAY AND WEDNESDAY NIGHT. SIGNIFICANT SNOW IS POSSIBLE OVER
THE REST OF EASTERN NEBRASKA AND SOUTHWEST IOWA FROM WEDNESDAY
NIGHT THROUGH THURSDAY.
* ICE ACCUMULATIONS: ICE ACCUMULATIONS FROM ONE TENTH TO ONE
QUARTER OF AN INCH ARE POSSIBLE ACROSS PORTIONS OF EAST CENTRAL
NEBRASKA...SOUTHEAST NEBRASKA AND SOUTHWEST IOWA.
* WINDS: THE WIND WILL BE INCREASING WEDNESDAY NIGHT...AND STRONG
WINDS SHOULD CONTINUE INTO FRIDAY.
* IMPACTS: SIGNIFICANT ICE AND SNOW ACCUMULATIONS ARE POSSIBLE...
ALONG WITH REDUCED VISIBILITIES WITH BLOWING SNOW.
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.
$$