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Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORTH PLATTE NE
403 PM CST SAT DEC 20 2014

NEZ004>010-022>029-035>038-056>059-069>071-094-212215-
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-
403 PM CST SAT DEC 20 2014 /303 PM MST SAT DEC 20 2014/

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

.DAY ONE...TONIGHT.

HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A STORM SYSTEM WILL MOVE RAPIDLY THROUGH THE NORTHERN AND CENTRAL
PLAINS LATE SUNDAY NIGHT INTO MONDAY. THERE IS A POSSIBILITY OF RAIN
OR FREEZING RAIN FOR WESTERN AND NORTH CENTRAL NEBRASKA SUNDAY
NIGHT AND EARLY MONDAY...THEN ENDING AS SNOW MONDAY NIGHT AS
COLDER AIR MOVES SOUTH. NORTHWEST WIND WILL INCREASE MONDAY AND
AGAIN ON TUESDAY.

A STORM SYSTEM IS EXPECTED TO CROSS THE ROCKIES TOWARD THE MIDDLE
OF NEXT WEEK AND MAY IMPACT THE CENTRAL PLAINS THURSDAY AND INTO
FRIDAY. SNOW ACCUMULATIONS ARE POSSIBLE ACROSS WESTERN AND NORTH
CENTRAL NEBRASKA CHRISTMAS DAY AND INTO FRIDAY....HOWEVER THE
TRACK OF THE SYSTEM IS STILL IN QUESTION. THOSE PLANNING TRAVEL
ACROSS NEBRASKA DURING THE HOLIDAY WEEK SHOULD KEEP UP TO DATE
WITH THE LATEST FORECASTS FOR ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

GET YOUR WEATHER...HYDROLOGICAL...AND CLIMATE INFORMATION AT
HTTP://WWW.WEATHER.GOV/NORTHPLATTE (ALL LOWERCASE)

$$

JACOBS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
626 PM CST SAT DEC 20 2014

KSZ005>007-017>019-NEZ039>041-046>049-061>064-074>077-084>087-
220030-
PHILLIPS-SMITH-JEWELL-ROOKS-OSBORNE-MITCHELL-VALLEY-GREELEY-NANCE-
SHERMAN-HOWARD-MERRICK-POLK-BUFFALO-HALL-HAMILTON-YORK-KEARNEY-
ADAMS-CLAY-FILLMORE-FRANKLIN-WEBSTER-NUCKOLLS-THAYER-
626 PM CST SAT DEC 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA EAST
OF A LINE FROM ELM CREEK...TO HOLDREGE...TO ALMA...AND ALSO
INCLUDES PORTIONS OF NORTH CENTRAL KANSAS.

.DAY ONE...TONIGHT.

AREAS OF FOG ARE LIKELY. VISIBILITY REDUCTIONS TO LESS THAN ONE
QUARTER MILE IN FOG WILL BE POSSIBLE AT TIMES TONIGHT. A DENSE FOG
ADVISORY IS IN EFFECT FOR PORTIONS OF THE OUTLOOK AREA...PRIMARILY
FROM THE HASTINGS/GRAND ISLAND AREA AND POINTS TO THE NORTH AND
EAST. PLEASE REFER TO THE ADVISORY PRODUCT FOR ADDITIONAL
INFORMATION.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

AREAS OF FOG WILL REMAIN POSSIBLE THROUGH 11 AM SUNDAY MORNING
AND MAY RESULT IN VISIBILITY REDUCTIONS TO LESS THAN ONE QUARTER
MILE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.

&&

MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE:
   HTTP://WWW.WEATHER.GOV/HASTINGS  (ALL LOWERCASE)

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
530 PM CST SAT DEC 20 2014

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-211330-
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-
530 PM CST SAT DEC 20 2014

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 SUNDAY

AREAS OF FOG AREA LIKELY TONIGHT...ESPECIALLY ACROSS PARTS OF
NORTHEAST AND EAST CENTRAL NEBRASKA. SOME OF THE FOG IN THESE
AREAS MAY BE LOCALLY DENSE.

.DAYS TWO THROUGH SEVEN...SUNDAY NIGHT THROUGH FRIDAY

LIGHT ACCUMULATING SNOW WILL BE POSSIBLE MONDAY NIGHT INTO TUESDAY
AND AGAIN THURSDAY NIGHT INTO FRIDAY FOR PARTS OF THE OUTLOOK
AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT OR SUNDAY.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RAPID CITY SD
313 PM MST SAT DEC 20 2014

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-211400-
BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON-
HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK-
NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS-
NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY-
SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS-
SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP-
WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH-
313 PM MST (413 PM CST) SAT DEC 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND
NORTHEASTERN WYOMING.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A STORM SYSTEM WILL CROSS THE REGION SUNDAY AFTERNOON THROUGH
MONDAY. COOLER TEMPERATURES WILL ACCOMPANY THIS SYSTEM...ALONG WITH
SOME RAIN CHANGING TO SNOW. LIGHT SNOW ACCUMULATIONS ARE POSSIBLE
OVER PORTIONS OF THE PLAINS SUNDAY NIGHT AND MONDAY. UPSLOPE SNOWFALL
WILL DEVELOP ACROSS THE NORTHERN BLACK HILLS SUNDAY NIGHT AND
CONTINUE THROUGH MONDAY NIGHT. SEVERAL INCHES OR MORE OF SNOWFALL IS
LIKELY OVER THE HIGHER ELEVATIONS OF THE NORTHERN BLACK HILLS...
ESPECIALLY FROM THE FOUR CORNERS AREA TO CHEYENNE CROSSING AND TERRY
PEAK.

STRONG NORTHWESTERLY WINDS ARE ALSO EXPECTED ON MONDAY AS
A TIGHT PRESSURE GRADIENT DEVELOPS OVER THE REGION. THE STRONGEST
WINDS ARE EXPECTED OVER THE NORTHWEST AND WEST CENTRAL SOUTH DAKOTA
PLAINS...WHERE WINDS WILL GUST TO OVER 50 MPH DURING THE DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

&&

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER DETAILS OR UPDATES...
OR CHECK OUR WEB SITE AT WEATHER.GOV/RAPIDCITY

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
220 PM CST SAT DEC 20 2014

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-211045-
LYON IA-OSCEOLA-DICKINSON-SIOUX-O`BRIEN-CLAY IA-PLYMOUTH-CHEROKEE-
BUENA VISTA-WOODBURY-IDA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-
NOBLES-JACKSON-PIPESTONE-ROCK-DIXON-DAKOTA-BEADLE-KINGSBURY-
BROOKINGS-GREGORY-JERAULD-SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-
DAVISON-HANSON-MCCOOK-MINNEHAHA-CHARLES MIX-DOUGLAS-HUTCHINSON-
TURNER-LINCOLN SD-BON HOMME-YANKTON-CLAY SD-UNION-
220 PM CST SAT DEC 20 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA...EAST CENTRAL
SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH
DAKOTA.

.DAY ONE...TODAY AND TONIGHT

PATCHY FOG WILL REMAIN THROUGH THE DAY BUT IS EXPECTED TO EXPAND
AGAIN OVERNIGHT TONIGHT. THE VISIBILITY COULD DROP TO AROUND A HALF
MILE AT TIMES AND SOME PATCHY LIGHT FREEZING DRIZZLE WILL BE
POSSIBLE IN PARTS OF NORTHWEST IOWA. THE FOG AND PATCHY LIGHT
FREEZING DRIZZLE WILL LIKELY LINGER THROUGH SUNDAY MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

PRECIPITATION IS EXPECTED TO DEVELOP ON SUNDAY NIGHT WITH MAINLY
RAIN ANTICIPATED IN SOUTHWEST MINNESOTA AND NORTHWEST IOWA. OVER
PARTS OF SOUTHEAST SOUTH DAKOTA SOME LIGHT FREEZING RAIN OR LIGHT
SLEET WILL BE POSSIBLE LATE SUNDAY NIGHT INTO MONDAY MORNING.
CONDITIONS WARM A BIT ON MONDAY BEFORE COLDER AIR SPILLS IN FROM THE
NORTHWEST MONDAY AFTERNOON AND NIGHT. THE MONDAY EVENING
PRECIPITATION IS EXPECTED TO MAINLY BE A TRANSITION FROM RAIN TO
SNOW WITH MOST LOCATIONS COLD ENOUGH FOR SNOW BY 10 PM. THE LIGHT
SNOW WILL CONTINUE THROUGH TUESDAY WITH AMOUNTS EXPECTED TO RANGE
FROM ABOUT A HALF AN INCH NEAR SIOUX CITY TO AROUND TWO AND A HALF
INCHES AROUND HURON.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1103 AM MST SAT DEC 20 2014

COZ030>051-210615-
JACKSON COUNTY BELOW 9000 FEET-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE
9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY-
1103 AM MST SAT DEC 20 2014

...POWERFUL WINDS AND HEAVY SNOWFALL ON THE WAY FOR THE MOUNTAINS
OF NORTHERN COLORADO SUNDAY AFTERNOON THROUGH MONDAY EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

AREAS OF LIGHT SNOW WILL CONTINUE OVER THE MOUNTAINS THIS
AFTERNOON AND INCREASE TONIGHT. ACCUMULATIONS OF UP TO 4 INCHES
ARE POSSIBLE IN THE HIGHER MOUNTAINS BY SUNDAY MORNING...WITH
LIGHTER AMOUNTS IN NORTH AND MIDDLE PARKS. ON THE PLAINS...IT
WILL BE MOSTLY CLOUDY WITH TEMPERATURES SIMILAR TO FRIDAYS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SNOWFALL IS EXPECTED TO PICK UP IN THE MOUNTAINS OF NORTHERN
COLORADO SUNDAY AFTERNOON AND BECOME QUITE HEAVY SUNDAY NIGHT.
AREAS UP AROUND THE EISENHOWER TUNNEL...THE HIGH MOUNTAIN PASSES
AND NORTHWEST FACING SLOPES ABOVE 9000 FEET COULD SEE SNOWFALL
RATES OF 2 TO 3 INCHES PER HOUR AT TIMES...TOGETHER WITH
SUSTAINED NORTHWEST WINDS OF 25 TO 40 MPH AND GUSTS TO AROUND 70
MPH. THE HEAVY SNOWFALL AND STRONG WINDS WILL LIKELY PRODUCE
WHITEOUT CONDITIONS CREATING TREACHEROUS DRIVING CONDITIONS FOR
HIGH COUNTRY TRAVELERS PARTICULARLY SUNDAY NIGHT AND MONDAY
MORNING. AREAS ABOVE TIMBERLINE AND WEST FACING SLOPES ABOVE 9000
FEET COULD SEE 12 TO 24 INCHES OF SNOW PILE UP BY MONDAY EVENING.
EAST FACING SLOPES AND HIGH VALLEY LOCATIONS ARE LIKELY TO SEE
LIGHTER SNOW TOTALS.

MEANWHILE THERE IS A SLIGHT CHANCE OF SNOW ON THE HIGH PLAINS
SUNDAY NIGHT AND A BETTER CHANCE FOR SNOW ON MONDAY AND MONDAY
EVENING FOLLOWING THE PASSAGE OF A COLD FRONT. SNOW ACCUMULATION
ON THE PLAINS SHOULD BE LIGHT AND ONLY SCATTERED IN COVERAGE.

THERE IS ANOTHER OPPORTUNITY FOR SNOW CHRISTMAS DAY THROUGH
FRIDAY WITH ANOTHER STORM SYSTEM POSSIBLY MOVING DOWN FROM THE
PACIFIC NORTHWEST. THERE IS MUCH UNCERTAINTY IN THE MODELS AS TO
WHEN...WHERE AND HOW MUCH SNOW WILL FALL. THEREFORE...STAY TUNE
FOR LATER UPDATES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$
MEIER/BAKER

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE