Alert archive / Colorado / High Wind Watches in 2016

High Wind Watch 3, NWS Denver/Boulder, CO

February 17, 20168 counties in Colorado

NWS Denver/Boulder, CO issued this high wind watch at Feb 17, 2016, 8:38 PM MST for 8 counties in Colorado. It took effect at Feb 18, 2016, 6:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 17, 2016, 8:38 PM MST (03:38 UTC)
In effect from
Feb 18, 2016, 6:00 PM MST
Expired
Feb 18, 2016, 4:11 PM MST
In force
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Broomfield County, CO, Jefferson County, CO, Larimer County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 03:39 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 3.6 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2016-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2016-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 197 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3335 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
197 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

568 
WWUS75 KBOU 180338
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
838 PM MST WED FEB 17 2016

...VERY STRONG WINDS EXPECTED IN AND NEAR THE FRONT RANGE
MOUNTAINS AND FOOTHILLS THURSDAY THROUGH FRIDAY MORNING....

.POWERFUL SOUTHWESTERLY FLOW ALOFT IN ADVANCE OF AN UPPER LEVEL
DISTURBANCE WILL COMBINE WITH A LARGE PRESSURE DIFFERENCE ACROSS
COLORADO TO PRODUCE STRONG AND VERY GUSTY WINDS. THE HIGH WINDS
ARE FIRST EXPECTED TO DEVELOP OVER THE FRONT RANGE MOUNTAINS LATE
TONIGHT OR EARLY THURSDAY MORNING...AND THEN SPREAD DOWN THROUGH
MOST OF THE FOOTHILLS ON THURSDAY. THESE STRONG AND POTENTIALLY
DAMAGING WINDS ARE EXPECTED TO TRANSITION TO EVEN STRONGER AND
MORE WIDESPREAD WINDS THURSDAY EVENING WITH THE PASSAGE OF THE
DISTURBANCE. THE STRONG WINDS WILL ALSO SPREAD EAST ACROSS THE
PLAINS LATE THURSDAY AFTERNOON THROUGH THURSDAY NIGHT. POTENTIALLY
DAMAGING WINDS WILL BE POSSIBLE WEST OF I-25 AND UP ALONG THE
WYOMING BORDER THURSDAY EVENING.

WINDS ARE EXPECTED TO WEAKEN IN MOST AREAS FRIDAY AFTERNOON...ALTHOUGH
NORTHWEST WINDS ARE LIKELY TO REMAIN GUSTY IN THE FOOTHILLS AND ON
PORTIONS OF THE HIGH PLAINS UNTIL FRIDAY EVENING.

COZ033-034-181200-
/O.UPG.KBOU.HW.A.0002.160218T1200Z-160219T1900Z/
/O.NEW.KBOU.HW.W.0002.160218T1000Z-160219T1900Z/
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-
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
838 PM MST WED FEB 17 2016

...HIGH WIND WARNING IN EFFECT FROM 3 AM THURSDAY TO NOON MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 3 AM THURSDAY TO NOON MST
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...SOUTHWESTERLY WINDS WILL INCREASE IN THE FRONT RANGE
  MOUNTAINS TONIGHT AND BECOME STRONG BY LATE TONIGHT AND EARLY
  THURSDAY MORNING. THESE POTENTIALLY DAMAGING SOUTHWEST WINDS
  COULD BECOME STRONGER BY EARLY THURSDAY EVENING.

* WINDS...SOUTHWEST TO WEST WINDS INCREASING TO 30 TO 45 MPH
  ABOVE 10 THOUSAND FEET...WITH GUSTS OF 80 TO 90 MPH ABOVE
  TIMBERLINE. A COUPLE OF THE HIGHEST PEAKS COULD SEE GUSTS REACH
  100 MPH.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR VERY
  STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. THE
  STRONG WINDS AND FALLING SNOW THURSDAY AFTERNOON AND NIGHT WILL
  ALSO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW...CREATING
  NEAR WHITEOUT CONDITIONS ON THE HIGHER SLOPES AND PASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD DELAY TRAVEL UNTIL THE WINDS
SUBSIDE.

&&

$$

COZ035-036-181200-
/O.UPG.KBOU.HW.A.0002.160218T1200Z-160219T1900Z/
/O.NEW.KBOU.HW.W.0002.160218T1200Z-160219T1900Z/
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...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
838 PM MST WED FEB 17 2016

...HIGH WIND WARNING IN EFFECT FROM 5 AM THURSDAY TO NOON MST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 5 AM THURSDAY TO NOON MST
FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...SOUTHWESTERLY WINDS WILL INCREASE IN THE FRONT RANGE
  FOOTHILLS LATE TONIGHT AND BECOME QUITE STRONG AND GUSTY THROUGH
  THE DAY THURSDAY. THESE POTENTIALLY DAMAGING SOUTHWEST WINDS
  COULD BECOME STRONGER AND MORE WIDESPREAD BY EARLY THURSDAY
  EVENING.

* WINDS...WEST TO SOUTHWEST 30 TO 45 MPH WITH GUSTS TO 80 MPH 
  MAINLY ABOVE 7500 FEET ON THURSDAY. THEN WEST TO NORTHWEST 
  WINDS 35 TO 50 MPH WITH POSSIBLE GUSTS TO AROUND 90 MPH 
  THURSDAY NIGHT AND FRIDAY MORNING. 

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR VERY
  STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. HIKERS
  SHOULD REMAIN ALERT FOR FALLING TREES. POWER OUTAGES ARE ALSO
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$

COZ038-039-181200-
/O.NEW.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT
838 PM MST WED FEB 17 2016

...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE
THURSDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH LATE
THURSDAY NIGHT. 

* TIMING...WEST WINDS WILL STRENGTHEN CONSIDERABLY THURSDAY
  EVENING. THE STRONG WINDS WILL CONTINUE THROUGH MOST OF THURSDAY
  NIGHT BEFORE SUBSIDING BY FRIDAY MORNING.

* WINDS...WEST 25 TO 40 MPH WITH GUSTS AROUND 75 MPH POSSIBLE.

* IMPACTS...HIGH WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS.
  DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD AVOID
  TRAVEL THURSDAY NIGHT. HIGHWAYS PRONE TO THE HIGH WINDS INCLUDE
  HIGHWAY 93 BETWEEN BOULDER AND GOLDEN...U.S. 36...HIGHWAY
  287...AND I-25 WITH THE STRONGEST WINDS NEAR THE WYOMING BORDER.

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.

&&

$$
3 follow-up statements
100 
WWUS75 KBOU 181041
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
341 AM MST THU FEB 18 2016

...VERY STRONG WINDS WILL DEVELOP OVER THE FRONT RANGE MOUNTAINS
AND FOOTHILLS TODAY AND POSSIBLY SPREAD TO PORTIONS OF THE PLAINS
THIS EVENING...

.A STRONG AND QUICK MOVING WEATHER SYSTEM WILL BRING POWERFUL
WINDS INTO COLORADO TODAY. HIGH WINDS ARE EXPECTED TO DEVELOP
OVER THE FRONT RANGE MOUNTAINS THIS MORNING...INCREASINGLY
REACHING DOWN INTO THE FOOTHILLS DURING THE DAY. THE PEAK OF THE 
POTENTIALLY DAMAGING WINDS IS EXPECTED TO BE THURSDAY EVENING
WITH THE PASSAGE OF A COLD FRONT. IN THE MOUNTAINS AND FOOTHILLS
WIND GUSTS OF 50 TO 75 MPH WILL BE COMMON...WITH A FEW HIGHER WIND
PRONE AREAS RECEIVING GUSTS AS HIGH AS 100 MPH. 

A PERIOD OF STRONG WINDS WILL ALSO OCCUR ON THE PLAINS THIS
EVENING BEHIND THE FRONT. POTENTIALLY DAMAGING WINDS ARE POSSIBLE
WEST OF I-25 AND IN AREAS NEAR THE WYOMING BORDER. WIND GUSTS UP
TO AROUND 60 MPH ARE POSSIBLE ON THE NORTHERN PLAINS...WITH GUSTS
AS HIGH AS 80 MPH IN WIND PRONE AREAS NEAR THE FOOTHILLS.

THE WINDS ON THE PLAINS WILL WEAKEN BY FRIDAY MORNING...WITH
STRONG BUT DIMINISHING WINDS IN THE MOUNTAINS AND FOOTHILLS DURING
THE DAY FRIDAY.

COZ033-034-182000-
/O.CON.KBOU.HW.W.0002.000000T0000Z-160219T1900Z/
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-
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
341 AM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...STRONG SOUTHWESTERLY WINDS WILL BECOME MORE WIDESPREAD
  THIS MORNING...AND PEAK IN THE LATE AFTERNOON AND EVENING HOURS.

* WINDS...SOUTHWEST TO WEST WINDS OF 30 TO 50 MPH ABOVE 10
  THOUSAND FEET AND ON THE EAST SLOPES OF THE FRONT RANGE. PEAK
  GUSTS OF 75 TO 100 MPH IN WIND PRONE AREAS.

* IMPACTS...TRAVELERS IN THE HIGHER MOUNTAINS SHOULD BE PREPARED
  FOR VERY STRONG WINDS CAUSING HAZARDOUS DRIVING CONDITIONS
  INCLUDING LOW VISIBILITIES IN AREAS OF BLOWING SNOW. THE WORST
  CONDITIONS WILL LIKELY BE IN THE LATE AFTERNOON AND EVENING WHEN
  SEVERAL INCHES OF SNOW WILL FALL IN ADDITION TO THE WIND. ROAD
  CLOSURES ARE POSSIBLE DUE TO POOR VISIBILITIES AND THE THREAT OF
  AVALANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD DELAY TRAVEL UNTIL THE WINDS
SUBSIDE.

&&

$$

COZ035-036-182000-
/O.CON.KBOU.HW.W.0002.160218T1200Z-160219T1900Z/
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...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
341 AM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...SOUTHWESTERLY WINDS WILL INCREASE IN THE FRONT RANGE
  FOOTHILLS THIS MORNING...PEAKING IN THE LATE AFTERNOON AND
  EVENING HOURS.

* WINDS...WEST TO SOUTHWEST 30 TO 45 MPH WITH GUSTS TO 80 MPH 
  MAINLY ABOVE 7500 FEET ON THURSDAY. THEN WEST TO NORTHWEST 
  WINDS 35 TO 50 MPH WITH POSSIBLE GUSTS TO AROUND 90 MPH 
  THURSDAY NIGHT AND FRIDAY MORNING. 

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR VERY 
  STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. 
  HIKERS SHOULD REMAIN ALERT FOR FALLING TREES. POWER OUTAGES 
  ARE ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$

COZ042-048-050-051-182000-
/O.EXA.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
341 AM MST THU FEB 18 2016

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT. 

* TIMING...STRONG WEST WINDS ARE LIKELY BEHIND A COLD FRONT
  THURSDAY EVENING. THE STRONG WINDS WILL SUBSIDE BY FRIDAY
  MORNING.

* WINDS...WEST 25 TO 40 MPH WITH GUSTS AROUND 60 MPH POSSIBLE.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING HAZARDOUS. DAMAGE TO
  TREES AND BUILDINGS AND POWER OUTAGES ARE POSSIBLE. 

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.

&&

$$

COZ038-039-182000-
/O.CON.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT
341 AM MST THU FEB 18 2016

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
LATE TONIGHT...

* TIMING...WEST WINDS WILL STRENGTHEN CONSIDERABLY THURSDAY 
  EVENING. THE STRONG WINDS WILL CONTINUE THROUGH MOST OF 
  THURSDAY NIGHT BEFORE SUBSIDING BY FRIDAY MORNING. 

* WINDS...WEST 25 TO 40 MPH WITH GUSTS AROUND 80 MPH POSSIBLE.

* IMPACTS...HIGH WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS.
  DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD AVOID
  TRAVEL THURSDAY NIGHT. HIGHWAYS PRONE TO THE HIGH WINDS INCLUDE
  HIGHWAY 93 BETWEEN BOULDER AND GOLDEN...U.S. 36... HIGHWAY
  287... AND I-25 WITH THE STRONGEST WINDS NEAR THE WYOMING
  BORDER. DAMAGE TO TREES AND BUILDINGS AND POWER OUTAGES ARE
  POSSIBLE.

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.

&&

$$

GIMMESTAD
898 
WWUS75 KBOU 181839
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1139 AM MST THU FEB 18 2016

...VERY STRONG WINDS DEVELOPING OVER THE FRONT RANGE MOUNTAINS
AND FOOTHILLS TODAY AND POSSIBLY SPREAD TO PORTIONS OF THE PLAINS
THIS EVENING...

.A STRONG AND FAST MOVING WEATHER SYSTEM WILL BRING POWERFUL
WINDS INTO THE COLORADO HIGH COUNTRY TODAY AND TONIGHT. WINDS ARE
EXPECTED TO INCREASE OVER THE FRONT RANGE MOUNTAINS THROUGH THE
AFTERNOON...INCREASINGLY REACHING DOWN THE FOOTHILLS BY LATE IN
THE DAY. THE PEAK OF THE POTENTIALLY DAMAGING WINDS IS EXPECTED
TO BE THIS EVENING WITH THE PASSAGE OF A PACIFIC COLD FRONT. IN
THE MOUNTAINS AND FOOTHILLS...WIND GUSTS OF 50 TO 75 MPH WILL BE
COMMON...WITH A FEW HIGHER WIND PRONE AREAS RECEIVING GUSTS AS
HIGH AS 100 MPH.

A PERIOD OF STRONG WINDS WILL ALSO OCCUR ON THE PLAINS THIS
EVENING BEHIND THE COLD FRONT. POTENTIALLY DAMAGING WINDS ARE
POSSIBLE WEST OF I-25 AND IN AREAS NEAR THE WYOMING BORDER. WIND
GUSTS UP TO 60 MPH ARE POSSIBLE ON THE NORTHERN PLAINS...WITH
GUSTS AS HIGH AS 80 MPH IN WIND PRONE AREAS NEAR THE FOOTHILLS.

THE WINDS ON THE PLAINS WILL WEAKEN BY FRIDAY MORNING. WINDS IN
THE MOUNTAINS AND FOOTHILLS WILL NOT WEAKEN UNTIL LATER IN THE DAY
FRIDAY.

COZ033-034-190245-
/O.CON.KBOU.HW.W.0002.000000T0000Z-160219T1900Z/
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-
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
1139 AM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...STRONG SOUTHWEST WINDS WILL BECOME MORE WIDESPREAD
  THROUGH THE AFTERNOON...AND PEAK IN THE LATE AFTERNOON AND
  EVENING HOURS.

* WINDS...SOUTHWEST TO WEST WINDS OF 30 TO 50 MPH ABOVE 10 
  THOUSAND FEET AND ON THE EAST SLOPES OF THE FRONT RANGE. PEAK 
  GUSTS OF 75 TO 100 MPH IN WIND PRONE AREAS. 

* IMPACTS...TRAVELERS IN THE HIGHER MOUNTAINS SHOULD BE PREPARED
  FOR VERY STRONG WINDS CAUSING HAZARDOUS DRIVING CONDITIONS
  INCLUDING LOW VISIBILITIES IN AREAS OF BLOWING SNOW. THE WORST
  CONDITIONS WILL BE IN THE LATE AFTERNOON AND EVENING WHEN
  SEVERAL INCHES OF SNOW WILL FALL ALONG WITH THE WIND. ROAD
  CLOSURES ARE POSSIBLE DUE TO POOR VISIBILITIES AND THE THREAT OF
  AVALANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD DELAY TRAVEL UNTIL THE WINDS
SUBSIDE.

&&

$$

COZ035-036-190245-
/O.CON.KBOU.HW.W.0002.000000T0000Z-160219T1900Z/
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...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
1139 AM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...SOUTHWEST WINDS WILL INCREASE IN THE FRONT RANGE
  FOOTHILLS THROUGH THE AFTERNOON...PEAKING IN THE LATE AFTERNOON
  AND EVENING HOURS.

* WINDS...WEST TO SOUTHWEST 30 TO 45 MPH WITH GUSTS TO 80 MPH
  MAINLY ABOVE 7500 FEET. WEST TO NORTHWEST WINDS 35 TO 50 MPH
  WITH POSSIBLE GUSTS TO AROUND 90 MPH TONIGHT AND FRIDAY
  MORNING.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR VERY
  STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. HIKERS
  SHOULD BE ALERT FOR FALLING TREES. POWER OUTAGES WILL ALSO BE
  POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$

COZ038-039-190245-
/O.CON.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT
1139 AM MST THU FEB 18 2016

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MST THIS EVENING
THROUGH LATE TONIGHT...

* TIMING...WEST WINDS WILL STRENGTHEN CONSIDERABLY THIS EVENING.
  THE STRONG WINDS WILL CONTINUE THROUGH MOST OF THE NIGHT BEFORE
  SUBSIDING BY FRIDAY MORNING.

* WINDS...WEST 25 TO 40 MPH WITH GUSTS UP TO 80 MPH POSSIBLE.

* IMPACTS...HIGH WINDS WILL CREATE DIFFICULT DRIVING CONDITIONS.
  DRIVERS OF LIGHTWEIGHT OR HIGH PROFILE VEHICLES SHOULD AVOID
  TRAVEL TONIGHT. HIGHWAYS PRONE TO THE HIGH WINDS INCLUDE HIGHWAY
  93 BETWEEN BOULDER AND GOLDEN...U.S. 36...HIGHWAY 287...AND
  I-25...WITH THE STRONGEST WINDS NEAR THE WYOMING BORDER. DAMAGE
  TO TREES AND BUILDINGS AND POWER OUTAGES ARE POSSIBLE.

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.

&&

$$

COZ042-048-050-051-190245-
/O.CON.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ...
JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE
1139 AM MST THU FEB 18 2016

...HIGH WIND WATCH REMAINS IN EFFECT FROM 6 PM MST THIS EVENING
THROUGH LATE TONIGHT...

* TIMING...STRONG WEST WINDS ARE LIKELY BEHIND A COLD FRONT
  ARRIVING THIS EVENING. THE STRONG WINDS WILL SUBSIDE BY FRIDAY
  MORNING.

* WINDS...WEST 25 TO 40 MPH WITH GUSTS UP TO 60 MPH POSSIBLE.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING HAZARDOUS. DAMAGE TO 
  TREES AND BUILDINGS AND POWER OUTAGES ARE POSSIBLE. 

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.

&&

$$
384 
WWUS75 KBOU 182311
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
411 PM MST THU FEB 18 2016

...VERY STRONG WINDS OVER THE FRONT RANGE MOUNTAINS AND FOOTHILLS
THIS AFTERNOON WILL SPREAD ON TO PORTIONS OF THE PLAINS TONIGHT...

.A STRONG AND FAST MOVING WEATHER SYSTEM HAS BROUGHT POWERFUL
WINDS INTO THE COLORADO HIGH COUNTRY TODAY WHICH WILL CONTINUE
THROUGH TONIGHT. WINDS HAVE BEEN INCREASING OVER THE COLORADO MOUNTAINS
TODAY WITH GUSTS OVER 60 MPH AT TIMES. GUSTY WINDS ARE EXPECTED TO
EXTEND INTO THE FOOTHILLS THIS EVENING AND THEN OUT ONTO THE NORTHERN
PLAINS OVERNIGHT. THE PEAK OF THE POTENTIALLY DAMAGING WINDS IS
EXPECTED TO BE THIS EVENING WITH THE PASSAGE OF A PACIFIC COLD
FRONT. IN THE MOUNTAINS AND FOOTHILLS...WIND GUSTS OF 50 TO 75 MPH
WILL BE COMMON...WITH A FEW HIGHER WIND PRONE AREAS RECEIVING
GUSTS AS HIGH AS 100 MPH.

THE STRONG WINDS ON THE PLAINS WILL DEVELOP THIS EVENING BEHIND
THE PASSING COLD FRONT. POTENTIALLY DAMAGING WINDS ARE POSSIBLE
WEST OF I-25 AND ACROSS THE NORTHERN PLAINS NORTH OF A LINE FROM LOVELAND
TO AKRON. WIND GUSTS UP TO 60 MPH ARE POSSIBLE ON THE NORTHERN
PLAINS...WITH GUSTS AS HIGH AS 80 MPH IN WIND PRONE AREAS NEAR THE
FOOTHILLS.

THE WINDS ON THE PLAINS WILL WEAKEN BY FRIDAY MORNING. WINDS IN
THE MOUNTAINS AND FOOTHILLS WILL NOT WEAKEN UNTIL LATER IN THE
DAY FRIDAY.

COZ038-039-042-048-050-051-190715-
/O.UPG.KBOU.HW.A.0003.160219T0100Z-160219T1200Z/
/O.EXB.KBOU.HW.W.0002.160219T0100Z-160219T1200Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY-
PHILLIPS COUNTY-
INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND...
NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...
BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM...CROOK...
MERINO...STERLING...PEETZ...JULESBURG...OVID...SEDGWICK...
AMHERST...HAXTUN...HOLYOKE
411 PM MST THU FEB 18 2016

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST FRIDAY. THE HIGH WIND
WATCH IS NO LONGER IN EFFECT. 

* TIMING...STRONG WEST WINDS ARE LIKELY BEHIND A COLD FRONT 
  ARRIVING THIS EVENING. THE STRONG WINDS WILL SUBSIDE BY FRIDAY 
  MORNING. 

* WINDS...WEST 30 TO 45 MPH WITH GUSTS UP TO 65 MPH POSSIBLE.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING HAZARDOUS. DAMAGE TO 
  TREES AND BUILDINGS AND POWER OUTAGES ARE POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$

COZ044-049-190715-
/O.EXB.KBOU.HW.W.0002.160219T0100Z-160219T1200Z/
MORGAN COUNTY-WASHINGTON COUNTY-
INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH...
WIGGINS...AKRON...COPE...LAST CHANCE...OTIS
411 PM MST THU FEB 18 2016

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST FRIDAY. 

* TIMING...GUSTY SOUTHWEST WINDS WILL CONTINUE INTO THIS EVENING
  AND THEN SHIFT TO WESTERLY AND STRENGTHEN BETWEEN 9 PM AND
  MIDNIGHT.

* WINDS...SOUTHWEST TO WEST WINDS OF 30 TO 40 MPH THIS EVENING
  WILL BECOME WEST TO NORTHWEST AT 35 TO 50 MPH WITH SOME GUSTS TO
  65 MPH.

* IMPACTS...GUSTY WINDS WILL MAKE DRIVING HAZARDOUS. DAMAGE TO 
  TREES AND BUILDINGS AND POWER OUTAGES ARE POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD DELAY TRAVEL UNTIL THE WINDS
SUBSIDE.

&&

$$

COZ033-034-190715-
/O.CON.KBOU.HW.W.0002.000000T0000Z-160219T1900Z/
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-
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
411 PM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...STRONG SOUTHWEST WINDS WILL BECOME MORE WIDESPREAD THIS
  EVENING...AND PEAK BEFORE MIDNIGHT. WEST TO NORTHWEST WINDS WILL
  CONTINUE THROUGH FRIDAY MORNING.

* WINDS...SOUTHWEST TO WEST WINDS OF 30 TO 50 MPH ABOVE 10 
  THOUSAND FEET AND ON THE EAST SLOPES OF THE FRONT RANGE. PEAK 
  GUSTS OF 75 TO 100 MPH IN WIND PRONE AREAS. 

* IMPACTS...TRAVELERS IN THE HIGHER MOUNTAINS SHOULD BE PREPARED
  FOR VERY STRONG WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. SNOW
  IS EXPECTED TO DEVELOP THIS EVENING WHICH WILL COMBINE WITH THE
  WIND TO PRODUCE POOR VISIBILITIES IN AREAS OF BLOWING SNOW. THE
  WORST CONDITIONS WILL BE BETWEEN 8 PM AND MIDNIGHT WHEN SEVERAL
  INCHES OF SNOW ARE EXPECTED. ROAD CLOSURES ARE POSSIBLE DUE TO
  POOR VISIBILITIES AND THE THREAT OF AVALANCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD DELAY TRAVEL UNTIL THE WINDS
SUBSIDE.

&&

$$

COZ035-036-190715-
/O.CON.KBOU.HW.W.0002.000000T0000Z-160219T1900Z/
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...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK
411 PM MST THU FEB 18 2016

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...SOUTHWEST WINDS WILL INCREASE IN THE FRONT RANGE
  FOOTHILLS THROUGH THE EVENING HOURS. GUSTY WEST WINDS WILL
  CONTINUE AFTER MIDNIGHT.

* WINDS...WEST TO SOUTHWEST 30 TO 45 MPH WITH GUSTS TO 80 MPH
  MAINLY ABOVE 7500 FEET THIS EVENING. WEST TO NORTHWEST WINDS 35
  TO 50 MPH WITH POSSIBLE GUSTS TO AROUND 90 MPH OVERNIGHT AND
  FRIDAY MORNING.

* IMPACTS...PEOPLE PLANNING TRAVEL SHOULD BE PREPARED FOR VERY
  STRONG CROSS WINDS CAUSING HAZARDOUS DRIVING CONDITIONS. POWER
  OUTAGES WILL ALSO BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS
SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS
EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE.

&&

$$

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this high wind watch went out at Feb 17, 2:50 PM MST, 5 hours 48 minutes earlier.

Area forecast discussion, Feb 17, 2:50 PM MST, 5 hours 48 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
250 PM MST WED FEB 17 2016

.SHORT TERM...(THIS EVENING THROUGH THURSDAY)
ISSUED AT 245 PM MST WED FEB 17 2016

BY EARLY THIS EVENING...MODELS SHOW THE UPPER LEVEL RIDGE AXIS
OVER THE FRONT RANGE...RELATIVELY LIGHT ZONAL FLOW ALOFT AND A
STRONG MID-LEVEL SUBSIDENCE INVERSION OVER THE AREA. OVERNIGHT
RIDGE MIGRATES EAST POSITIONING A STRONGER DEEP LAYER SOUTHWEST
FLOW OVER THE STATE. STRONGER S-SWLY SFC WINDS ALSO EXPECTED TO
DEVELOP ON THE PLAINS LATE TONIGHT...ESPLY ACRS SERN SECTIONS OF
THE CWA WITH A TIGHTENING SFC PRES GRADIENT. ENHANCED DOWNSLOPE
FLOW ALONG AND NORTH OF THE PALMER DIVIDE WILL KEEP THE BNDRY
LAYER WELL MIXED AND TEMPERATURES QUITE MILD OVERNIGHT. IN THE
HIGH COUNTRY...SFC WINDS SHOULD STEADILY INCREASE OVERNIGHT ESPLY
ON THE HIGHER PASSES AND ABOVE TIMBERLINE SOUTH OF THE INTERSTATE
70 CORRIDOR. AIRMASS STILL TOO DRY FOR ANY PRECIP TO DEVELOP IN
THE HIGH COUNTRY.

ON THURSDAY...SWLY FLOW ALOFT STRENGTHENS FURTHER WITH A +160 KT
JET ROUNDING THE BOTTOM OF THE APPROACHING UPPER TROUGH. MODELS
INDICATE 60-80KT 700-500 MB SWLY FLOW OVER THE FRONT RANGE BY
THU EARLY AFTERNOON AND A LARGE WEST-EAST CROSS STATE PRESSURE
GRADIENT. MTN TOP SWLY FLOW APPEARS TO MAX OUT IN SPEED WITH
PASSAGE OF THE TROUGH AXIS BY AROUND 00Z/FRI. W-SWLY SFC WINDS ON
AND NEAR THE FRONT RANGE AND IN THE PALMER DIVIDE AREA SHOULD ALSO
PEAK OUT AT THIS TIME. THEN A SHIFT TO PERHAPS AN EVEN STRONGER
NWLY FLOW ALOFT BEHIND THE TROUGH AXIS DURING THE EVENING. SEE
DETAILS BELOW. AS FOR TEMPS ON THURSDAY...RECORD WARMTH A GOOD
BET...ESPLY IN THE VERY WINDY AREAS ALONG THE FOOTHILLS AND OVER
THE PALMER DIVIDE. RECORD HIGH AT DENVER IS 71 SET BACK IN 1930.
MOS GUIDANCE IS GIVING A HIGH FOR DENVER ANYWHERE FROM 70 TO 75
DEGS. GOING WITH A MAX TEMP A DEG ABOVE THE RECORD. RHS ALSO
BECOME QUITE LOW...IN THE 5-15 PCT RANGE EAST OF THE MTNS BY EARLY
AFTERNOON WITH HOWLING DOWNSLOPE FLOW.

AS HIGHLIGHTS...A FIRE WEATHER WATCH WAS ISSUED EARLIER TODAY FOR
THE SRN FRONT RANGE FOOTHILLS AND PALMER DIVIDE AREA. WATCH BEGINS
AT 11 AM MST THURSDAY. FOR DETAILS...REFER TO THE FIRE WEATHER
WATCH STATEMENT ISSUED AT 924 AM MST THIS MORNING.

NEXT...A HIGH WIND WATCH WAS ISSUED FOR THE FRONT RANGE MTNS AND
FOOTHILLS. THIS WATCH BEGINS AT 5 AM MST THURSDAY AND RUNS UNTIL
12 NOON MST FRIDAY. FOR DETAILS...REFER TO THE HIGH WIND WATCH
STATEMENT ISSUED AT 1020 AM MST THIS MORNING.

STATEMENTS WILL LIKELY BE UPDATED WITHIN THE NEXT FEW HOURS.

.LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY)
ISSUED AT 245 PM MST WED FEB 17 2016

MAIN CONCERN IS THE POTENTIAL FOR A HIGH WIND EVENT THURSDAY NIGHT
AND FRIDAY MORNING OVER THE HIGH MOUNTAINS AND FRONT RANGE
FOOTHILLS. AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS COLORADO
THURSDAY NIGHT WITH STRONG SUBSIDENCE AND QG DESCENT (+30-50MB/HR)
WORKING IN ITS WAKE. APPEARS THE FRONT RANGE FOOTHILLS WILL SEE
THE BRUNT OF THE WINDS AS CROSS SECTIONS SHOW 50-60KT CROSS
BARRIER FLOW DEVELOPING AFTER 06Z FRIDAY. THE AIRMASS WILL
TRANSITION FROM A STRONG BORA COLD ADVECTION THU EVENING TO A
CHINOOK EVENT LATER THU NIGHT WITH WARM ADVECTION AT MOUNTAIN TOP.
THERE WILL ALSO BE SOME GUSTY WINDS ON THE NORTHEAST PLAINS WITH
THE TROF THURSDAY NIGHT BUT NOT ENOUGH FOR HIGH WINDS.

THERE WILL ALSO BE A QUICK BATCH OF SNOW OVER THE MOUNTAINS
THURSDAY EVENING WITH MODEST INSTABILITY AND OROGRAPHICS. TROF IS
MOVING RATHER FAST SO DON'T EXPECT THE SNOW TO LAST MORE THAN 6
HOURS WITH ACCUMULATION OF 2-5 INCHES. WINDS WILL DECREASE FRIDAY
AFTERNOON AS STRONGEST SUBSIDENCE MOVES INTO THE CENTRAL PLAINS.
TEMPERATURES WILL ALSO BE COOLER ON FRIDAY BEHIND THE TROF.

COLORADO WILL REMAIN UNDER A MODERATE WEST TO NORTHWEST FLOW ALOFT
THROUGH EARLY NEXT WEEK. THERE IS A STRONGER WAVE IN THE FLOW THAT
MOVES ACROSS COLORADO ON MONDAY WITH THE NEXT CHANCE OF SNOW IN
THE MOUNTAINS AND COOLER TEMPERATURES. THIS COULD ALSO LEAD TO A
SLIGHT CHANCE OF SNOW ON THE PLAINS AS WELL.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z THURSDAY AFTERNOON)
ISSUED AT 245 PM MST WED FEB 17 2016

VFR CONDITIONS ARE LIKELY DURING THE NEXT 24 HOURS. SELY SFC
WINDS AT 7-14 KTS UNTIL EARLY EVENING...THEN S-SWLY 7-16KTS
OVERNIGHT...WITH THE STRONGER WIND SPEEDS ACROSS SERN SECTIONS OF
THE DENVER METRO AREA. THIS INCLUDES KAPA LATE TONIGHT. ON
THURSDAY...A STRONG PRESSURE GRADIENT AND INCREASING SOUTHWEST
FLOW ALOFT WILL GENERATE STG AND GUSTY SWLY SFC WINDS BY LATE
MORNING...SPECIFICALLY ACROSS SOUTHERN AND EASTERN PORTIONS OF
THE DENVER METRO AREA. COULD SEE GUSTS AROUND 30 KTS BY AFTERNOON
AT KAPA AND KDEN. ACROSS THE NWRN QUADRANT OF THE DENVER METRO
AREA WINDS NOT EXPECTED TO BE AS STRONG...AND THERE'S EVEN A
CHANCE THAT WINDS COULD BECOME N-NELY BY THE AFTERNOON SHOULD A
WEAK CYCLONE FORM OVER DENVER.

&&

.FIRE WEATHER...
ISSUED AT 245 PM MST WED FEB 17 2016

A FIRE WEATHER WATCH HAS BEEN ISSUED FOR THE SRN FRONT RANGE
FOOTHILLS ZONE 216 AND THE PALMER DIVIDE ZONES 241..245...246 AND
247. THIS WATCH WILL START AT 1100 MST ON THURSDAY AND RUN UNTIL
1800 PM MST ON THURSDAY. FOR DETAILS...REFER TO THE FIRE WEATHER
WATCH STATEMENT ISSUED AT 924 AM MST THIS MORNING. THE POTENTIAL
FOR VERY STRONG WEST-SOUTHWEST WINDS...VERY LOW RELATIVE
HUMIDITY AND NEAR RECORD HIGH TEMPERATURES REASONS FOR THE WATCH.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FROM THURSDAY MORNING THROUGH THURSDAY
AFTERNOON FOR COZ216-241-245>247.

HIGH WIND WATCH FROM LATE TONIGHT THROUGH FRIDAY MORNING FOR
COZ033>036.

&&

SHORT TERM...BAKER
LONG TERM...ENTREKIN
AVIATION...BAKER
FIRE WEATHER...BAKER
Hazardous weather outlook, Feb 17, 11:23 AM MST, 9 hours 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
1123 AM MST WED FEB 17 2016

COZ030>051-181830-
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-
1123 AM MST WED FEB 17 2016

...HIGH WIND WATCH OUT FOR THE FRONT RANGE TOMORROW THROUGH
FRIDAY MORNING...
...FIRE WEATHER WATCH HAS BEEN ISSUED FOR THE SOUTHERN FRONT RANGE
FOOTHILLS AND PALMER DIVIDE AREA FOR THURSDAY AFTERNOON...

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

.DAY ONE...TODAY AND TONIGHT

A HIGH PRESSURE RIDGE WILL MOVE OVER COLORADO TODAY...AND BECAUSE
OF THAT...WINDS WILL BE LIGHTER TODAY. THERE WILL STILL BE SOME
GUSTY WINDS IN THE MOUNTAINS...ALONG WITH WARM SOUTHERLY BREEZES
DEVELOPING ON THE PLAINS THIS AFTERNOON. TONIGHT...SOUTH TO
SOUTHWEST WINDS WILL INCREASE...WITH GUSTS TO 25 MPH ON THE
PLAINS AND IN THE 40 TO 60 MPH RANGE ABOVE TIMBERLINE AND ON THE
EAST SLOPES OF THE FRONT RANGE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

STRONG WINDS WILL BE POSSIBLE ACROSS PORTIONS OF THE MOUNTAINS AND
FOOTHILLS THROUGH FRIDAY MORNING. WEST TO SOUTHWEST WINDS OF 25
TO 40 MPH WITH GUSTS TO 75 MPH WILL BE POSSIBLE IN SOME AREAS. AT
LOWER ELEVATIONS WIND GUSTS TO 40 MPH WILL BE POSSIBLE ACROSS THE
PLAINS WITH UP TO 50 MPH OVER THE PALMER DIVIDE ON THURSDAY. THE
STRONG WINDS WILL LEAD TO ELEVATED FIRE WEATHER CONCERNS AS
HUMIDITY LEVELS WILL BE QUITE LOW.

MEANWHILE SNOW WILL INCREASE IN THE MOUNTAINS LATE THURSDAY AFTERNOON
THROUGH THURSDAY EVENING AS A WEATHER DISTURBANCE MOVES ACROSS
NORTHERN COLORADO. ACCUMULATIONS WILL RANGE FROM 2 TO 6 INCHES
WITH CONSIDERABLE BLOWING SNOW OVER THE HIGHER PASSES.

FOR FRIDAY WINDS WILL GRADUALLY DECREASE BY AFTERNOON. IT WILL BE
DRY WITH SLIGHTLY COOLER TEMPERATURES HOWEVER READINGS WILL STILL
BE SEVERAL DEGREES ABOVE NORMAL ACROSS NORTHEAST COLORADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

BAKER/ENTREKIN

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 17, 8:38 PM MSTHigh Wind WarningBOUBoulder, Broomfield, Clear Creek, Douglas, Gilpin, Grand and 11 more32 hr
Feb 18, 5:24 AM MSTRed Flag WarningBOUAdams, Arapahoe, Clear Creek, Douglas, Elbert, Gilpin and 3 more13 hr

Nearby

High Wind Watches in Colorado, 2016Every high wind watch in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.