Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 161219
HWOBOU

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
619 AM MDT THU APR 16 2015

COZ030>051-171230-
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-
619 AM MDT THU APR 16 2015

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

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

.DAY ONE...TODAY AND TONIGHT

A STRONG AND MOIST SPRING STORM SYSTEM WILL BRING RAIN AND SNOW TO
MUCH OF COLORADO TODAY. THE SNOW WILL BE HEAVIEST ON THE EAST
SLOPES OF THE FRONT RANGE...WHERE 10 TO 20 INCHES OF SNOW MAY
FALL BY FRIDAY MORNING. OTHER MOUNTAIN AREAS CAN EXPECT 4 TO 10
INCHES OF SNOW. ON THE EASTERN PLAINS PRECIPITATION WILL MAINLY BE
RAIN...BUT IN AREAS ABOVE 5000 FEET INCLUDING DENVER WILL SEE
SOME SNOW. IN MOST AREAS THE SNOW WILL MELT OR ACCUMULATIONS WILL
BE LIMITED TO THE GRASS. HOWEVER A PERIOD OF HEAVIER SNOW IS
POSSIBLE THIS EVENING THAT COULD CAUSE MORE SIGNIFICANT
ACCUMULATIONS IN AREAS SOUTH OF DENVER AND NEAR THE FOOTHILLS.
FROM 4 TO 8 INCHES POSSIBLE IN THOSE AREAS TONIGHT IF THE
TEMPERATURES ARE COLD ENOUGH...BUT THERE WILL STILL BE LOTS OF
MELTING ON ROADWAYS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE STORM SYSTEM WILL CONTINUE TO AFFECT COLORADO ON FRIDAY AND
MAY LINGER INTO SATURDAY. PERIODS OF SNOW WILL CONTINUE IN THE
MOUNTAINS AND FOOTHILLS ON FRIDAY AND MAY BE HEAVY AT TIMES.
ADDITIONAL ACCUMULATIONS OF 6 TO 12 INCHES WILL OCCUR WITH LOCALLY HIGHER
AMOUNTS POSSIBLE IN THE MOUNTAINS OF LARIMER AND BOULDER COUNTIES.
OVER THE PLAINS THERE WILL BE PERIODS OF RAIN ALONG WITH A FEW
THUNDERSTORMS. SOME SNOW MAY BE MIXED IN WITH THE RAIN EARLY
FRIDAY MORNING ALONG THE FRONT RANGE BUT ACCUMULATIONS WILL ONLY
BE AROUND AN INCH OR SO ON GRASSY AREAS.

FOR FRIDAY NIGHT INTO SATURDAY THE STORM SYSTEM WILL BE OVER
EASTERN COLORADO. DEPENDING ON EXACTLY WHERE THIS SYSTEM IS
CENTERED COULD LEAD TO MORE PRECIPITATION IN SOME AREAS ESPECIALLY
CLOSER TO THE WYOMING BORDER. TEMPERATURES WILL BE WARM ENOUGH FOR
PRECIPITATION TO FALL AS RAIN OVER THE PLAINS.

THE SYSTEM SHOULD FINALLY MOVE EAST OF THE AREA BY SATURDAY
NIGHT INTO SUNDAY. ANOTHER WEAKER SYSTEM MAY AFFECT THE AREA LATE
SUNDAY NIGHT INTO MONDAY BRINGING ANOTHER CHANCE OF
PRECIPITATION.


.SPOTTER INFORMATION STATEMENT...

SNOWFALL REPORTS FROM SPOTTERS WILL BE APPRECIATED.

$$

GIMMESTAD/RPK


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