Alert archive / Colorado / High Wind Warnings in 2017

High Wind Warning 6, NWS Denver/Boulder, CO

March 5, 201716 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Mar 5, 2017, 2:28 PM MST for 16 counties in Colorado. It took effect at Mar 6, 2017, 6:00 AM MST. It was in force for 14 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 5, 2017, 2:28 PM MST (21:28 UTC)
In effect from
Mar 6, 2017, 6:00 AM MST
Expired
Mar 6, 2017, 7:49 PM MST
In force
14 hr
Issued by
NWS Denver/Boulder, CO

Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO

The radar

The Denver radar (KFTG), 42 km from the middle of the area, began a volume at 21:32 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.

What was reported inside it

TimeReportWhereRemark
Mar 6, 6:10 AM MSTNON-TSTM WND GST 511 Sse Eaton, COMESONET STATION 1 SSE EATON /UP306/.
Mar 6, 6:20 AM MSTNON-TSTM WND GST 542 Se Superior, COAWOS STATION JEFFCO AIRPORT /BJC/.
Mar 6, 6:37 AM MSTTSTM WND GST 733 Ene Nederland, CO
Mar 6, 6:37 AM MSTTSTM WND GST 734 Ene Nederland, CO
Mar 6, 6:37 AM MSTNON-TSTM WND GST 733 Ene Nederland, CO
Mar 6, 6:37 AM MSTNON-TSTM WND GST 734 Ene Nederland, CO
Mar 6, 6:45 AM MSTNON-TSTM WND GST 543 Ese Tiny Town, COMESONET STATION 2 ESE TINY TOWN /AP713/.
Mar 6, 7:08 AM MSTNON-TSTM WND GST 589 N Manila Village, COMESONET STATION 9 N MANILA VILLAGE /E6017/.
Mar 6, 7:10 AM MSTNON-TSTM WND GST 513 Nw Manila Village, COAWOS STATION FRONT RANGE AIRPORT /FTG/.
Mar 6, 7:32 AM MSTNON-TSTM WND GST 571 Nnw Briggsdale, COMESONET STATION BRIGGSDALE /CO043/.
Mar 6, 7:32 AM MSTNON-TSTM WND GST 571 Nw Briggsdale, COMESONET STATION BRIGGSDALE /CO043/.
Mar 6, 7:38 AM MSTNON-TSTM WND GST 612 Nw Rocky Flats, COMESONET STATION 2 WNW ROCKY FLATS /NWTC/.
Mar 6, 7:41 AM MSTNON-TSTM WND GST 531 E Smoky Hill, COMESONET STATION 1 E SMOKY HILL /E9391/.
Mar 6, 7:41 AM MSTNON-TSTM WND GST 603 Se Jamestown, COMESONET STATION 3 SE JAMESTOWN /C8656/.
Mar 6, 7:42 AM MSTNON-TSTM WND GST 501 Ssw Bennett, COMESONET STATION 1 SSW BENNETT /CO072/.
Mar 6, 7:44 AM MSTNON-TSTM WND GST 543 E Gold Hill, COMESONET STATION 3 E GOLD HILL /E4338/.
Mar 6, 7:44 AM MSTNON-TSTM WND GST 543 Ese Gold Hill, COMESONET STATION 3 E GOLD HILL /E4338/.
Mar 6, 7:56 AM MSTNON-TSTM WND GST 503 S Boulder, COMESONET STATION 2 SSW BOULDER /E9217/.
Mar 6, 7:58 AM MSTNON-TSTM WND GST 522 Ssw Crescent Village, COMESONET STATION 2 SSW CRESCENT VILLAGE /D9321/.
Mar 6, 8:00 AM MSTNON-TSTM WND GST 613 Nne White Ranch Open, COMESONET STATION 2 NE WHITE RANCH OPEN S /UP709/.
Mar 6, 8:03 AM MSTNON-TSTM WND GST 578 Ssw Grover, COMESONET STATION 8 SSW GROVER /C5040/.
Mar 6, 8:05 AM MSTNON-TSTM WND GST 553 Nne Boulder, CONCAR FOOTHILLS LAB
Mar 6, 8:05 AM MSTNON-TSTM WND GST 553 W Gunbarrel, CONCAR FOOTHILLS LAB.
Mar 6, 8:10 AM MSTNON-TSTM WND GST 583 Sw Rocky Flats, COMESONET STATION 2 SW ROCKY FLATS /CO109/.
Mar 6, 8:12 AM MSTNON-TSTM WND GST 602 Nne Natural Fort Rest, COMESONET STATION 2 NNE NATURAL FORT REST /CO041/.
Mar 6, 8:16 AM MSTNON-TSTM WND GST 531 E Boulder, COAWOS STATION 1 E BOULDER /BDU/.
Mar 6, 8:17 AM MSTNON-TSTM WND GST 51Superior, COMESONET STATION SUPERIOR /D7772/.
Mar 6, 8:17 AM MSTNON-TSTM WND GST 532 Ne Morrison, COMESONET STATION 2 ENE MORRISON /C8926/.
Mar 6, 8:18 AM MSTNON-TSTM WND GST 703 Nne Pleasant View, COMESONET STATION APPLEWOOD /E7094/.
Mar 6, 8:18 AM MSTNON-TSTM WND GST 703 N Pleasant View, COMESONET STATION APPLEWOOD /E7094/.
Mar 6, 8:25 AM MSTTSTM WND GST 653 S Masonville, CO
Mar 6, 8:25 AM MSTNON-TSTM WND GST 653 S Masonville, CO
Mar 6, 8:47 AM MSTNON-TSTM WND GST 542 Se Superior, COAWOS STATION JEFFCO AIRPORT /BJC/.
Mar 6, 9:09 AM MSTNON-TSTM WND GST 521 Ene Limon, COASOS STATION LIMON MUNICIPAL AIRPORT /LIC/.
Mar 6, 9:12 AM MSTNON-TSTM WND GST 642 Nne Natural Fort Rest, COMESONET STATION 2 NNE NATURAL FORT REST /CO041/.
Mar 6, 9:30 AM MSTNON-TSTM WND GST 636 Sw Carr, CO
Mar 6, 9:30 AM MSTNON-TSTM WND GST 637 Sw Carr, CO
Mar 6, 9:55 AM MSTNON-TSTM WND GST 544 Sw Sterling, COAWOS STATION STERLING /STK/.
Mar 6, 9:55 AM MSTNON-TSTM WND GST 544 Wsw Sterling, COAWOS STATION STERLING /STK/.
Mar 6, 10:10 AM MSTNON-TSTM WND GST 551 Sse Eaton, COMESONET STATION 1 SSE EATON /UP306/.
Mar 6, 10:12 AM MSTNON-TSTM WND GST 512 W Keenesburg, COMESONET STATION 2 W KEENESBURG /CO038/.
Mar 6, 10:12 AM MSTNON-TSTM WND GST 513 W Keenesburg, COMESONET STATION 2 W KEENESBURG /CO038/.
Mar 6, 10:12 AM MSTNON-TSTM WND GST 543 Se Sterling, COMESONET STATION 2 SE STERLING /CO035/.
Mar 6, 10:12 AM MSTNON-TSTM WND GST 56Virginia Dale, COMESONET STATION VIRGINIA DALE /CO036/.
Mar 6, 10:27 AM MSTNON-TSTM WND GST 543 Nnw Glendale, COMESONET STATION 3 NNW GLENDALE /DMNC2/.
Mar 6, 10:31 AM MSTNON-TSTM WND GST 685 Sw Berthoud, COMESONET STATION 4 SW BERTHOUD /E2088/.
Mar 6, 10:31 AM MSTNON-TSTM WND GST 685 Sw Berthoud, CO
Mar 6, 10:32 AM MSTNON-TSTM WND GST 601 Ssw Bennett, COMESONET STATION 1 SSW BENNETT /CO072/.
Mar 6, 10:33 AM MSTNON-TSTM WND GST 511 N Buckley Angb, COAWOS STATION 1 N BUCKLEY ANGB /BKF/.
Mar 6, 10:34 AM MSTNON-TSTM WND GST 552 Sse Denver Internatio, COASOS STATION DENVER INTERNATIONAL AIRPORT /DEN/.
Mar 6, 10:34 AM MSTNON-TSTM WND GST 553 Sse Denver Internatio, COASOS STATION DENVER INTERNATIONAL AIRPORT /DEN/.
Mar 6, 10:38 AM MSTNON-TSTM WND GST 618 Ssw Grover, COMESONET STATION 8 SSW GROVER /C5040/.
Mar 6, 10:42 AM MSTNON-TSTM WND GST 601 Nnw Briggsdale, COMESONET STATION BRIGGSDALE /CO043/.
Mar 6, 10:53 AM MSTNON-TSTM WND GST 551 N Akron, COASOS STATION AKRON-WASHINGTON COUNTY AIRPORT /AKO/.
Mar 6, 10:55 AM MSTNON-TSTM WND GST 551 Wsw Fort Morgan Airpo, CO
Mar 6, 10:55 AM MSTNON-TSTM WND GST 555 N Fort Morgan, CO
Mar 6, 10:55 AM MSTNON-TSTM WND GST 591 Nnw Briggsdale, CO
Mar 6, 10:55 AM MSTNON-TSTM WND GST 591 Nw Briggsdale, CO
Mar 6, 10:57 AM MSTNON-TSTM WND GST 611 N Akron, COASOS STATION AKRON-WASHINGTON COUNTY AIRPORT /AKO/.
Mar 6, 11:00 AM MSTNON-TSTM WND GST 541 E Red Feather Lakes, COMESONET STATION RED FEATHER LAKES /E0957/.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.5 hours before the alert went out and 80 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 12:00Z on 2017-03-05Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2017-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 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
3681 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

954 
WWUS75 KBOU 052128
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
228 PM MST Sun Mar 5 2017

...High winds will develop across the Front Range Foothills 
and plains of northeast Colorado Monday...

.A strong upper level disturbance will move over Colorado early
Monday morning. Strong winds behind this system will lead to high
fire danger, areas of blowing dust with reduced visibility, and
hazardous travel conditions. Scattered power outages are also
possible.

COZ038>051-060700-
/O.UPG.KBOU.HW.A.0004.170306T1300Z-170307T0300Z/
/O.NEW.KBOU.HW.W.0006.170306T1300Z-170307T0300Z/
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-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
228 PM MST Sun Mar 5 2017

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 8 PM MST MONDAY...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 6 AM to 8 PM MST Monday. The
High Wind Watch is no longer in effect. 

* TIMING...Winds will become strong and gusty Monday morning.
  Strong winds will continue through the afternoon before
  gradually decreasing Monday evening.

* WINDS...Sustained winds of 30 to 45 mph with gusts around 60
  mph.  

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities near open fields. Travelers should be 
  alert for rapidly changing visibility. Drivers of lightweight 
  and high profile vehicles should also consider delaying travel 
  until winds gradually subside Tuesday or Tuesday night. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more on the plains can lead to property damage.

&&

$$

COZ035-060700-
/O.NEW.KBOU.HW.W.0006.170306T1300Z-170307T0300Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Estes Park, Glendevey, Nederland, 
and Red Feather Lakes
228 PM MST Sun Mar 5 2017

...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 8 PM MST MONDAY...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 6 AM to 8 PM MST Monday. 

* TIMING...Winds will become strong and gusty Monday morning.
  Strong winds will continue through the afternoon before
  gradually decreasing Monday evening.

* WINDS...Sustained winds of 30 to 45 mph with gusts around 75
  mph.

* IMPACTS...Very strong and gusty winds may cause damage to trees
  and power lines and disrupt power. Drivers of lightweight and
  high profile vehicles should consider delaying travel until 
  winds gradually subside Tuesday or Tuesday night. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 50 mph or gusts 
of 75 mph or more in the foothills can lead to property damage.

&&

$$
5 follow-up statements
910 
WWUS75 KBOU 060540
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1040 PM MST Sun Mar 5 2017

...High winds will develop across the Front Range Foothills and
plains of northeast Colorado Monday...

.A strong cold front will move over Colorado early Monday 
morning. Strong winds behind this system will lead to high fire 
danger, areas of blowing dust with reduced visibility, and 
hazardous travel conditions. Minor property damage and scattered 
power outages are also possible. The strongest winds will likely
be near the northern Colorado border across Larimer, northern
Weld, Logan, Sedgwick and Phillips counties where gusts up to 70
mph are possible. In areas further south, gusts to 60 mph are
expected.

COZ035-038>051-061345-
/O.CON.KBOU.HW.W.0006.170306T1300Z-170307T0300Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
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-
Including the cities of Estes Park, Glendevey, Nederland, 
Red Feather Lakes, Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
1040 PM MST Sun Mar 5 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 8 PM MST
MONDAY...

* TIMING...Winds will become strong and gusty Monday morning. 
  Strong winds will continue through the afternoon before 
  gradually decreasing Monday evening. 

* WINDS...Sustained winds of 30 to 45 mph with gusts of 60-70 mph.
  The strongest winds will be near the northern Colorado border.

* IMPACTS...Very strong and gusty winds may cause damage to trees
  and power lines and disrupt power. Blowing dust will also reduce
  visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare 
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile 
vehicles should also consider delaying travel until winds are 
lighter on Monday night or Tuesday.

&&

Gimmestad


$$
268 
WWUS75 KBOU 061116
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
416 AM MST Mon Mar 6 2017

...High winds will develop across the Front Range Foothills and
plains of northeast Colorado this morning...

.A strong cold front will move over Colorado early this morning. 
Strong winds behind this system will lead to high fire danger, 
areas of blowing dust with reduced visibility, and hazardous 
travel conditions. Minor property damage and scattered power 
outages are also possible. The strongest winds will likely be near
the northern Colorado border across Larimer, northern Weld, 
Logan, Sedgwick and Phillips counties where gusts up to 70 mph are
possible. In areas further south, gusts to 60 mph are expected.

There is the potential for more high winds across the Front Range
Foothills during the day on Tuesday with gusts up around 75 mph. 

COZ035-061930-
/O.NEW.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
/O.CON.KBOU.HW.W.0006.170306T1300Z-170307T0300Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Estes Park, Glendevey, Nederland, 
and Red Feather Lakes
416 AM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH 
TUESDAY AFTERNOON...

The National Weather Service in Denver has issued a High Wind
Watch, which is in effect from Tuesday morning through Tuesday
afternoon. 

* TIMING...Winds will become strong and gusty this morning. Strong
  winds will continue through the afternoon before gradually
  decreasing Monday evening. Winds will increase again Tuesday
  morning. 

* WINDS...Sustained winds of 30 to 45 mph with gusts of 60 to 80
  mph. The strongest winds will be near the northern Colorado
  border. The winds will decrease this evening before increasing
  again to around 75 mph Tuesday morning. 

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds are
lighter on Monday night or Tuesday.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
58 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$

COZ038>051-061930-
/O.CON.KBOU.HW.W.0006.170306T1300Z-170307T0300Z/
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-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
416 AM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...Winds will become strong and gusty this morning. 
Strong winds will continue through the afternoon before 
gradually decreasing Monday evening. 

* WINDS...Sustained winds of 30 to 45 mph with gusts of 60 to 70 
mph. The strongest winds will be near the northern Colorado 
border. 

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds are
lighter on Monday night or Tuesday.

&&

$$

COZ036-061930-
/O.NEW.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Bailey, Central City, Evergreen, 
Georgetown, Idaho Springs, and Westcreek
416 AM MST Mon Mar 6 2017

...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH 
TUESDAY AFTERNOON...

The National Weather Service in Denver has issued a High Wind
Watch, which is in effect from Tuesday morning through Tuesday
afternoon. 

* TIMING...Strong winds will increase early Tuesday morning and
  continue through the day. Winds will decrease Tuesday evening. 

* WINDS...Westerly winds of 30 to 40 mph and gusts up to around 
75 mph will increase Tuesday morning. 

* IMPACTS...Very strong and gusty winds may cause damage to trees
  and power lines and disrupt power. Blowing dust will also reduce
  visibilities, especially near open fields.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
75 mph or stronger may occur. Continue to monitor the latest 
forecasts.

&&

$$
239 
WWUS75 KBOU 061855
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1155 AM MST Mon Mar 6 2017

...High Winds Across the Plains of Northeast Colorado Today...

.Strong northwest flow aloft across Colorado today is producing
strong winds from the mountains out across the plains. Wind gusts
have reached 50 to 60 mph at several locations this morning. The
strong winds are expected to continue through late this afternoon.
Winds should begin diminishing after sunset. 

There is the potential for more high winds across the Front Range
Foothills during the day on Tuesday with gusts up around 75 mph.

COZ035-070300-
/O.CON.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
/O.CON.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Estes Park, Glendevey, Nederland, 
and Red Feather Lakes
1155 AM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

* TIMING...Strong winds will continue through the afternoon before
  gradually decreasing this evening. Winds will increase again 
Tuesday morning. 

* WINDS...Sustained winds of 35 to 45 mph with gusts of 60 to 80 
mph. The strongest winds will be near the northern Colorado 
border. The winds will decrease this evening before increasing 
again to around 75 mph Tuesday morning. 

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds have
decreased.

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
58 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$

COZ038>051-070300-
/O.CON.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
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-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
1155 AM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...Strong winds will continue through the afternoon and
  then decrease this evening.

* WINDS...Sustained winds of 30 to 45 mph with gusts of 60 to 70 
  mph. The strongest winds will be near the northern Colorado 
  border.

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds have
decreased.

&&

$$

COZ036-070300-
/O.CON.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Bailey, Central City, Evergreen, 
Georgetown, Idaho Springs, and Westcreek
1155 AM MST Mon Mar 6 2017

...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

* TIMING...Strong winds will increase early Tuesday morning and 
  continue through the day. Winds will decrease Tuesday evening. 

* WINDS...Westerly winds of 30 to 40 mph and gusts up to around 75
  mph will be possible Tuesday morning.

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph...or gusts of
75 mph or stronger may occur. Continue to monitor the latest
forecasts.

&&

$$
868 
WWUS75 KBOU 062233
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
333 PM MST Mon Mar 6 2017

...High Winds Across the Plains of Northeast Colorado Diminishing
This Evening...

.Strong westerly flow aloft across Colorado today has been 
producing strong winds from the mountains out across the plains 
this afternoon. Wind gusts have reached 55 to 70 mph at several 
locations this afternoon. The strong winds have caused rapid 
growth of fires on the plains, most notably a 10,000 acre fire in 
Logan and Phillips Counties. The strong winds are expected to 
continue through late this afternoon and then diminish after 
sunset.

Gusty winds are expected to develop again on Tuesday, especially 
over Weld, Morgan, Logan, Sedgwick and Phillips Counties. Damaging
winds will be possible in the Front Range foothills of Larimer
County. 

COZ036-062345-
/O.CAN.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including the cities of Bailey, Central City, Evergreen, 
Georgetown, Idaho Springs, and Westcreek
333 PM MST Mon Mar 6 2017

...HIGH WIND WATCH IS CANCELLED...

The National Weather Service in Denver has cancelled the High
Wind Watch. 

The threat of damaging wind in the foothills of Jefferson and
Boulder Counties is reduced. Stronger flow aloft over Wyoming and
northern Colorado will still produce strong winds over western and
central Larimer County. 

$$

COZ035-070645-
/O.UPG.KBOU.HW.A.0005.170307T1300Z-170308T0000Z/
/O.NEW.KBOU.HW.W.0007.170307T1300Z-170308T0000Z/
/O.CON.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Estes Park, Glendevey, Nederland, 
and Red Feather Lakes
333 PM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...
...HIGH WIND WARNING IN EFFECT FROM 6 AM TO 5 PM MST TUESDAY...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 6 AM to 5 PM MST Tuesday. The
High Wind Watch is no longer in effect. 

* TIMING...Strong winds will continue through the afternoon 
  before gradually decreasing this evening. Winds will increase 
  again Tuesday morning. 

* WINDS...Sustained winds of 35 to 45 mph with gusts of 60 to 80 
  mph. The strongest winds will be near the northern Colorado 
  border. The winds will decrease this evening before increasing 
  again to around 75 mph Tuesday morning.

* IMPACTS...Very strong and gusty winds may cause damage to trees
  and power lines and disrupt power.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds have
decreased.

&&

$$

COZ038>051-070300-
/O.CON.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
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-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
333 PM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

* TIMING...Strong winds will continue through the late afternoon 
and then decrease this evening. 

* WINDS...Sustained winds of 35 to 50 mph with gusts of 60 to 70 
mph. The strongest winds will be near the northern Colorado 
border. 

* IMPACTS...Very strong and gusty winds may cause damage to 
  trees and power lines and disrupt power. Blowing dust will 
  also reduce visibilities, especially near open fields. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds have
decreased.

&&

$$
909 
WWUS75 KBOU 070249
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
749 PM MST Mon Mar 6 2017

...High Winds Across the Plains of Northeast Colorado Diminishing
This Evening...

.Gusty winds are expected to develop again on Tuesday, especially
over Weld, Morgan, Logan, Sedgwick and Phillips Counties. 
Damaging winds will be possible in the Front Range foothills of 
Larimer County.

COZ035-071100-
/O.CAN.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
/O.CON.KBOU.HW.W.0007.170307T1300Z-170308T0000Z/
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Estes Park, Glendevey, Nederland, 
and Red Feather Lakes
749 PM MST Mon Mar 6 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM TO 5 PM MST
TUESDAY...
...HIGH WIND WARNING IS CANCELLED ...

The National Weather Service in Denver has cancelled the High
Wind Warning through early this evening. 

* TIMING...Winds will increase again Tuesday morning.

* WINDS...The stronger wind gusts will decrease this evening then
  redevelop with gusts to around 75 mph Tuesday morning.

* IMPACTS...Strong and gusty winds may cause damage to trees and 
  power lines and disrupt power. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Residents should secure loose objects and prepare
for possible power outages. Travelers should be alert for rapidly
changing visibility. Drivers of lightweight and high profile
vehicles should also consider delaying travel until winds have
decreased.

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 75 mph or more can lead to property damage.

&&

$$

COZ038>051-070400-
/O.CAN.KBOU.HW.W.0006.000000T0000Z-170307T0300Z/
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-
Including the cities of Fort Collins, Hereford, Loveland, Nunn, 
Arvada, Boulder, Golden, Lakewood, Longmont, Aurora, Brighton, 
City of Denver, Denver International Airport, Highlands Ranch, 
Littleton, Parker, Castle Rock, Elbert, Fondis, Kiowa, Larkspur, 
Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, 
Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, 
Wiggins, Bennett, Byers, Deer Trail, Leader, Agate, Hugo, Limon, 
Matheson, Forder, Karval, Kutch, Punkin Center, Crook, Merino, 
Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid,
Sedgwick, Amherst, Haxtun, and Holyoke
749 PM MST Mon Mar 6 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Denver has cancelled the High
Wind Warning. 

Northwest winds 20 to 30 mph will continue early this evening 
with a few gusts to 40 mph possible mainly north and east of 
Akron, then gradually decrease late this evening and overnight.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 4:02 AM MSTRed Flag WarningBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more38 hr
Mar 5, 4:02 AM MSTHigh Wind WatchBOUAdams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 10 more10 hr
Mar 5, 9:47 AM MSTWinter Weather AdvisoryBOUBoulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more32 hr

Nearby

High Wind Warnings in Colorado, 2017Every high wind warning in 2017

Sources

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