Hazardous Weather Outlook
Issued by NWS Denver/Boulder, CO

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FLUS45 KBOU 181730
HWOBOU

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1130 AM MDT MON MAY 18 2015

COZ030>051-191730-
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-
1130 AM MDT MON MAY 18 2015

...WINTER STORM WARNING FOR NORTH CENTRAL MOUNTAINS TONIGHT AND
TUESDAY ABOVE 10000 FEET...

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED RAIN SHOWERS WILL MOVE ACROSS PARTS OF NORTHEAST COLORADO
TODAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL FORM OVER THE
HIGHER TERRAIN THIS AFTERNOON AND SPREAD EASTWARD THIS EVENING.
WIDESPREAD RAIN WILL DEVELOP OVERNIGHT WITH SNOW IN THE MOUNTAINS
AS A PACIFIC SYSTEM NEARS COLORADO. SNOW WILL BECOME HEAVY AT
TIMES IN THE MOUNTAINS TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

RAIN AND HEAVY MOUNTAIN SNOW WILL CONTINUE TUESDAY AS THE NEXT
WEATHER SYSTEM MOVES ACROSS COLORADO. THERE MAY BE SIGNIFICANT
RAINFALL FROM THE FOOTHILLS EASTWARD ACROSS THE PLAINS. TOTAL
RAINFALL AMOUNTS ARE EXPECTED TO RANGE BETWEEN 1 AND 1.5 INCHES ON
THE PLAINS...WITH UP TO 2 INCHES IN THE FOOTHILLS. SMALL CREEKS
AND STREAMS COULD INITIALLY SEE MINOR FLOODING CONCERNS...
POSSIBLY SPREADING TO MAINSTREAM RIVERS ALONG THE FRONT RANGE
TUESDAY AND FARTHER EAST ON THE PLAINS BY WEDNESDAY. PEOPLE ALONG
STREAMS AND IN LOW LYING AREAS SHOULD REMAIN ALERT FOR RISING
WATER LEVELS.

IN THE MOUNTAINS...TOTAL SNOWFALL OF 10 TO 20 INCHES CAN BE
EXPECTED BY LATE TUESDAY...WITH THE HEAVIER ACCUMULATIONS ABOVE 10
THOUSAND FEET.

WEDNESDAY AND THURSDAY WILL BE DRIER...BUT THERE WILL STILL BE A
CHANCE OF AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS EACH
DAY. ANOTHER SYSTEM MAY AFFECT THE AREA ON FRIDAY BRINGING MORE
WIDESPREAD AND SIGNIFICANT PRECIPITATION TO THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

$$

ENTREKIN/BARJENBRUCH



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