Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 152145
HWOBOU

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
345 PM MDT WED APR 15 2015

COZ030>051-162145-
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-
345 PM MDT WED APR 15 2015

...WINTER STORM WARNING THURSDAY AFTERNOON THROUGH FRIDAY NIGHT
FOR THE MOUNTAINS AND FOOTHILLS...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A SPRING STORM SYSTEM WILL INTO THE CENTRAL ROCKIES TONIGHT.
SCATTERED SNOW SHOWERS WILL PREVAIL OVER THE MOUNTAINS WITH A FEW
EMBEDDED THUNDERSTORMS. SNOW ACCUMULATIONS WILL GENERALLY BE LESS
THAN 3 INCHES. ACROSS THE LOWER ELEVATIONS...SCATTERED SHOWERS AND
THUNDERSTORMS WILL OCCUR THROUGH THE EVENING WITH MOST OF THE
ACTIVITY OVER NORTHER PARTS OF THE AREA. A FEW OF THE STORMS MAY
PRODUCE HAIL UP TO ONE INCH IN DIAMETER AND 50 MPH WINDS. GUSTY
SOUTHERLY WINDS AHEAD OF THIS SYSTEM WILL BRING LOW RELATIVE
HUMIDITIES AND INCREASED FIRE DANGER OVER THE PLAINS SOUTH OF
INTERSTATE 70 THROUGH MID EVENING.

SHOWERS WILL DECREASE LATE THIS EVENING AND OVERNIGHT. HOWEVER AS
IT COOLS SOME OF THE SHOWERS COULD PRODUCE SNOW TOWARDS SUNRISE
THURSDAY MORNING. LIGHT SNOW ACCUMULATIONS ON GRASSY AREAS WILL
BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A SPRING STORM WILL AFFECT THE AREA THURSDAY AFTERNOON THROUGH
FRIDAY NIGHT. THIS SYSTEM WILL BRING THE THREAT OF WET HEAVY
SNOWFALL TO THE MOUNTAINS AND FOOTHILLS WITH ACCUMULATIONS OF 10 TO
20 INCHES POSSIBLE. AT LOWER ELEVATIONS THERE WILL BE A MIX OF
RAIN AND SNOW ALONG THE FRONT RANGE URBAN CORRIDOR WITH MOSTLY
RAIN ACROSS THE PLAINS. SOME AREAS ALONG THE FRONT RANGE COULD
SEE FROM 2 TO 4 INCHES OF WET SNOW WITH SLIGHTLY HIGHER AMOUNTS
CLOSER TO THE FOOTHILLS AND OVER THE PALMER DIVIDE.

THE STORM SYSTEM WILL BEGIN TO MOVE OUT OF THE AREA ON SATURDAY
HOWEVER THERE COULD STILL BE SOME LINGERING RAIN AND SNOW THROUGH
THE MORNING HOURS.

FOR SUNDAY THROUGH MONDAY IT WILL REMAIN UNSETTLED WITH A CHANCE
OF PRECIPITATION ON SUNDAY AND AGAIN ON MONDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$



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