Issued by NWS Denver/Boulder, CO
000 FLUS45 KBOU 211156 HWOBOU HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 556 AM MDT SUN SEP 21 2008 COZ030>051-211700- 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- 556 AM MDT SUN SEP 21 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS WILL SPREAD FROM THE MOUNTAINS NEAR THE WYOMING BORDER INTO THE CENTRAL COLORADO MOUNTAINS BY THIS AFTERNOON. ON THE PLAINS ISOLATED SHOWERS AND STORMS ARE EXPECTED... MAINLY THIS AFTERNOON. WHILE MOST OF THE STORMS WILL PRODUCE ONLY LIGHT RAIN AND WIND GUSTS TO 35 MPH...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON IN AREAS EAST OF STERLING AND AKRON. IN THIS AREA THERE WILL BE MORE MOISTURE AND A FAVORABLE WIND STRUCTURE FOR SEVERE THUNDERSTORMS. THE MAIN THREAT FROM STORMS IN THE NORTHEAST CORNER OF COLORADO WILL BE HAIL TO AROUND AN INCH IN DIAMETER. HOWEVER...DAMAGING WINDS ARE ALSO POSSIBLE...AND THERE IS A LOW THREAT OF TORNADOS AS WELL. THUNDERSTORM ACTIVITY WILL END FROM WEST TO EAST THIS EVENING AS DRIER AIR MOVES INTO THE AREA. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY ANOTHER WEAK DISTURBANCE WILL MOVE ACROSS NORTHERN COLORADO LATE MONDAY WITH A SLIGHT CHANCE OF THUNDERSTORMS...MAINLY OVER THE MOUNTAINS AND FAR EASTERN PLAINS. DRIER AND WARMER CONDITIONS ARE EXPECTED FOR THE REMAINDER OF THE WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. $$ GIMMESTAD/COOPER