URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
425 AM MST MON FEB 20 2012
...WINDY CONDITIONS ALONG THE EASTERN SLOPES OF THE FRONT RANGE
MOUNTAINS AND FOOTHILLS TUESDAY AND WEDNESDAY...
.A JET MOVING TOWARD THE STATE WILL PRODUCE STRONG NORTHWEST FLOW
WHICH WILL COMBINE WITH A STABLE AIRMASS AND STRENGTHENING SURFACE
PRESSURE GRADIENT TO CREATE VERY WINDY CONDITIONS OVER THE HIGH
COUNTRY EAST OF THE DIVIDE. WINDS HAVE THE POTENTIAL TO GUST TO 75
MPH ON TUESDAY...INCREASING TO 85 MPH ON WEDNESDAY.
COZ033>036-201900-
/O.NEW.KBOU.HW.A.0002.120221T1300Z-120223T1300Z/
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-
INCLUDING THE CITIES OF...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY...
NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY...
EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
425 AM MST MON FEB 20 2012
...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH LATE
WEDNESDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH LATE
WEDNESDAY NIGHT.
* TIMING...WINDS WILL INCREASE JUST AFTER SUNRISE TUESDAY MORNING
AND STEADILY INCREASE THROUGH WEDNESDAY EVENING BEFORE
DECREASING THROUGH THE WEDNESDAY NIGHT.
* WINDS...GUSTS UP TO 75 MPH POSSIBLE ON TUESDAY...INCREASING TO
85 MPH POSSIBLE ON WEDNESDAY. THESE STRONG WINDS WILL BE
CONFINED TO THE EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS AND
FOOTHILLS WITH LIGHTER WINDS WEST OF THE CONTINENTAL DIVIDE.
* IMPACTS...THESE STRONG WINDS MAY CAUSE AREAS OF BLOWING AND
DRIFTING SNOW EAST OF THE DIVIDE AND OVER THE HIGHER
FOOTHILLS...REDUCING VISIBILITIES AND CREATING HAZARDOUS DRIVING
CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A HIGH WIND WATCH MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS MAY OCCUR. PERSONS IN THE WATCH AREA SHOULD
REMAIN ALERT TO THE POSSIBILITY OF HIGH WINDS AND BE PREPARED TO
TAKE ACTION SHOULD HIGH WINDS DEVELOP.
...WINDY CONDITIONS EXPECTED ALONG THE EASTERN SLOPES OF THE
FRONT RANGE MOUNTAINS AND FOOTHILLS TUESDAY AND WEDNESDAY...
.AN UPPER LEVEL JET STREAM MOVING TOWARD COLORADO IS EXPECTED TO
PRODUCE STRONG NORTHWEST FLOW ALOFT OVER THE NEXT COUPLE DAYS.
THIS WILL COMBINE WITH A STABLE AIRMASS AND STRENGTHENING SURFACE
PRESSURE GRADIENT TO CREATE VERY WINDY CONDITIONS OVER THE HIGH
COUNTRY EAST OF THE DIVIDE. IT IS POSSIBLE THAT WINDS WILL GUST
TO 75 MPH ON TUESDAY...INCREASING TO 85 MPH ON WEDNESDAY.
...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 AM MST TUESDAY
THROUGH LATE WEDNESDAY NIGHT...
* TIMING...WINDS ARE EXPECTED INCREASE JUST AFTER SUNRISE
TUESDAY MORNING AND STEADILY INCREASE THROUGH WEDNESDAY
EVENING BEFORE DECREASING THROUGH THE WEDNESDAY NIGHT.
* WINDS...GUSTS UP TO 75 MPH WILL BE POSSIBLE ON TUESDAY...
INCREASING TO 85 MPH ON WEDNESDAY. THESE STRONG WINDS WILL BE
CONFINED TO THE EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS
AND FOOTHILLS WITH LIGHTER WINDS WEST OF THE CONTINENTAL
DIVIDE.
* IMPACTS...THESE STRONG WINDS MAY CAUSE AREAS OF BLOWING AND
DRIFTING SNOW EAST OF THE DIVIDE AND OVER THE HIGHER
FOOTHILLS...REDUCING VISIBILITIES AND CREATING HAZARDOUS
DRIVING CONDITIONS.
Instructions: REMEMBER...A HIGH WIND WATCH MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS MAY OCCUR. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO THE POSSIBILITY OF HIGH WINDS AND BE PREPARED TO TAKE ACTION SHOULD HIGH WINDS DEVELOP.
Target Area:
Jefferson and West Douglas Counties Above 6000 Feet, Gilpin, Clear Creek, Northeast Park Counties Below 9000 Feet
Larimer and Boulder Counties Between 6000 and 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
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
547 AM MST TUE FEB 21 2012
...WINDY CONDITIONS EXPECTED ALONG THE EASTERN SLOPES OF THE
FRONT RANGE MOUNTAINS...FOOTHILLS AND ADJACENT PLAINS TONIGHT AND
WEDNESDAY...
.AN UPPER LEVEL JET STREAM MOVING TOWARD COLORADO IS EXPECTED TO
PRODUCE STRONG NORTHWEST FLOW ALOFT OVER THE NEXT COUPLE DAYS.
THIS WILL COMBINE WITH A STABLE AIRMASS AND STRENGTHENING SURFACE
PRESSURE GRADIENT TO CREATE STRONG WINDS OVER THE HIGH COUNTRY
EAST OF THE DIVIDE. THE STRONG AND POTENTIALLY DAMAGING WINDS ARE
ALSO EXPECTED TO MOVE DOWN INTO THE FOOTHILLS AND THE NEARBY
PLAINS. WIND GUSTS TO AROUND 80 MPH WILL OCCUR...ALTHOUGH A FEW
WIND PRONE AREAS COULD SEE GUSTS NEAR 100 MPH EARLY WEDNESDAY
MORNING.
COZ033>036-212100-
/O.CON.KBOU.HW.W.0005.120222T0600Z-120223T1200Z/
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-
INCLUDING THE CITIES OF...CAMERON PASS...
LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE...
ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...
BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE...
EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL...
INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS...
WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY...
NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY...
EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK
547 AM MST TUE FEB 21 2012
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
5 AM MST THURSDAY...
* TIMING...WINDS ARE EXPECTED TO INCREASE JUST AFTER SUNSET
TONIGHT AND REMAIN STRONG THROUGH WEDNESDAY NIGHT BEFORE
DECREASING BY THURSDAY MORNING.
* WINDS...PEAK GUSTS TO BETWEEN 80 AND 100 MPH. THESE STRONGEST
WINDS WILL BE CONFINED TO THE EASTERN SLOPES OF THE FRONT
RANGE MOUNTAINS AND FOOTHILLS WITH LIGHTER WINDS WEST OF THE
CONTINENTAL DIVIDE.
* IMPACTS...THESE STRONG WINDS WILL CAUSE AREAS OF BLOWING AND
DRIFTING SNOW ALONG AND EAST OF THE DIVIDE AND OVER THE HIGHER
FOOTHILLS...REDUCING VISIBILITIES AND CREATING HAZARDOUS
DRIVING CONDITIONS.
* OTHER IMPACTS...STRONG WINDS MAY ALSO DOWN SOME TREES AND
PRODUCE SCATTERED POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.
IN ADDITION TO POWERFUL CROSSWINDS...DRIVERS SHOULD ALSO
ANTICIPATE AREAS OF BLOWING SNOW THAT WILL REDUCE VISIBILITY TO
NEAR ZERO CAUSING BRIEF WHITEOUT CONDITIONS.
Issued by The National Weather Service
Denver/Boulder, CO
Wed, Feb 22, 2012, 3:50 PM MST
... HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...
* TIMING... STRONG GUSTY WINDS WILL CONTINUE ACROSS THE FRONT RANGE MOUNTAINS AND FOOTHILLS THROUGH TONIGHT. WINDS WILL GRADUALLY DECREASE BEFORE DAYBREAK THURSDAY.
* WINDS... PEAK GUSTS WILL BE BETWEEN 80 AND 100 MPH. THE STRONGEST WINDS WILL BE CONFINED TO THE EASTERN SLOPES OF THE FRONT RANGE MOUNTAINS AND FOOTHILLS WITH LIGHTER WINDS WEST OF THE CONTINENTAL DIVIDE.
* IMPACTS... STRONG WINDS WILL CAUSE AREAS OF BLOWING AND DRIFTING SNOW ALONG AND EAST OF THE CONTINENTAL DIVIDE AND OVER THE HIGHER FOOTHILLS... REDUCING VISIBILITIES AND CREATING HAZARDOUS DRIVING CONDITIONS.
* OTHER IMPACTS... STRONG WINDS MAY ALSO DOWN SOME TREES AND PRODUCE SCATTERED POWER OUTAGES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER... A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY.
IN ADDITION TO POWERFUL CROSSWINDS... DRIVERS SHOULD ALSO ANTICIPATE AREAS OF BLOWING SNOW THAT WILL REDUCE VISIBILITY TO NEAR ZERO AND CAUSE BRIEF WHITEOUT CONDITIONS.
More Information
... HIGH WINDS WILL CONTINUE EAST OF THE CONTINENTAL DIVIDE AND OVER THE FOOTHILLS AND ADJACENT PLAINS THIS EVENING...
.THE STRONG UPPER LEVEL JET STREAM OVER COLORADO WILL CONTINUE PRODUCING INTENSE SURFACE PRESSURE GRADIENTS WHICH WILL KEEP STRONG WINDS BLOWING ACROSS THE FRONT RANGE INTO TONIGHT. GUSTS OF 70 TO 90 MPH OCCURRED DURING THE AFTERNOON. TREES HAVE BEEN BLOWN DOWN IN THE BOULDER AREA AND TRUCKS HAVE BEEN BLOWN OVER ON SOME FRONT RANGE ROADWAYS. THE STRONG WINDS WILL CONTINUE AFFECTING BOULDER... THE WESTERN SECTIONS OF FORT COLLINS... LOVELAND... AND THE WESTERN SUBURBS OF DENVER. WIND GUSTS TO 80 MPH ARE EXPECTED... ALTHOUGH A FEW WIND PRONE AREAS COULD SEE GUSTS NEAR 100 MPH.