Alert archive / Colorado / High Wind Warnings in 2019

High Wind Warning 2, NWS Denver/Boulder, CO

January 27, 201910 counties in Colorado

NWS Denver/Boulder, CO issued this high wind warning at Jan 27, 2019, 8:09 AM MST for 10 counties in Colorado. It took effect at Jan 27, 2019, 12:00 PM MST. It was in force for 10 hr. 8 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
Jan 27, 2019, 8:09 AM MST (15:09 UTC)
In effect from
Jan 27, 2019, 12:00 PM MST
Expired
Jan 27, 2019, 10:00 PM MST
In force
10 hr
Issued by
NWS Denver/Boulder, CO

Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO

The radar

The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 15:11 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
Jan 27, 12:30 PM MSTNON-TSTM WND GST 643 Nne White Ranch Open, CO
Jan 27, 12:40 PM MSTNON-TSTM WND GST 623 Sw Rocky Flats, CO
Jan 27, 4:06 PM MSTHIGH SUST WINDS 671 Ese Berthoud Pass, COAWOS STATION 0CO, BERTHOUD PASS.
Jan 27, 5:29 PM MSTNON-TSTM WND GST 791 Ese Downieville, COMESONET STATION DMTC2, DOWNIEVILLE.
Jan 27, 6:00 PM MSTNON-TSTM WND GST 813 Nne Nederland, CO
Jan 27, 6:00 PM MSTNON-TSTM WND GST 831 Ne Aspen Springs, COMESONET STATION F0549, ASPEN SPRINGS.
Jan 27, 7:35 PM MSTNON-TSTM WND GST 763 Nw Marshall, CONCAR MESA LAB.
Jan 27, 9:30 PM MSTNON-TSTM WND GST 843 Sw Rocky Flats, COMESONET STATION CO109, 2 SW ROCKY FLATS.

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, 3.2 hours before the alert went out and 206 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 2019-01-27Temperature 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 2019-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897Sfc1 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
2133 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

450 
WWUS75 KBOU 271509
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
809 AM MST Sun Jan 27 2019

COZ033>036-272315-
/O.NEW.KBOU.HW.W.0002.190127T1900Z-190128T0500Z/
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, 
and Westcreek
809 AM MST Sun Jan 27 2019

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 10 PM MST THIS
EVENING...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from noon today to 10 PM MST this
evening.

* WINDS...West 30 to 40 mph with gusts up to 75 mph.

* TIMING...The strongest winds are expected between 2 pm this
  afternoon through 8 pm this evening. Winds will be especially
  strong along the Peak to Peak Highway.
 
* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and
high profile vehicles. Loose outdoor items should be brought
inside or secured properly. 

&&

$$
2 follow-up statements
284 
WWUS75 KBOU 272207
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
307 PM MST Sun Jan 27 2019

COZ033>036-280500-
/O.CON.KBOU.HW.W.0002.000000T0000Z-190128T0500Z/
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, 
and Westcreek
307 PM MST Sun Jan 27 2019

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MST THIS
EVENING...

* WINDS...West 30 to 40 mph with gusts up to 75 mph.

* TIMING...The strongest winds are expected between 5 pm this
  afternoon through 9 pm this evening. Winds will be especially 
  strong along the Peak to Peak Highway.

* IMPACTS...Strong winds may blow down limbs, trees, and power 
  lines. Scattered power outages are possible. Travel will be 
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Strong winds may lead to property damage. Hazardous
driving conditions due to powerful cross winds will pose a
serious risk for drivers, especially for light weight and high
profile vehicles. Loose outdoor items should be brought inside or
secured properly.

&&

$$
269 
WWUS75 KBOU 280455
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
955 PM MST Sun Jan 27 2019


COZ033>036-280600-
/O.EXP.KBOU.HW.W.0002.000000T0000Z-190128T0500Z/
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, 
and Westcreek
955 PM MST Sun Jan 27 2019

...HIGH WIND WARNING WILL EXPIRE AT 10 PM MST THIS EVENING...

The strong west to northwest winds will begin diminishing as a
cold front and weather system pushes south across the area.
However, gust speeds will still be in the 60 to 70 mph through 11
pm then decrease to 35 to 50 mph by midnight. 

$$

Nearby

High Wind Warnings in Colorado, 2019Every high wind warning in 2019

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.