Alert archive / Colorado / High Wind Warnings in 2018

High Wind Warning 9, NWS Denver/Boulder, CO

December 12, 2018Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this high wind warning at Dec 12, 2018, 11:03 AM MST for Elbert County, Lincoln County, Colorado. It took effect at Dec 12, 2018, 10:00 PM MST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 12, 2018, 11:03 AM MST (18:03 UTC)
In effect from
Dec 12, 2018, 10:00 PM MST
Expired
Dec 13, 2018, 2:08 AM MST
In force
4 hr
Issued by
NWS Denver/Boulder, CO

Counties Elbert County, CO, Lincoln County, CO

The radar

The Pueblo radar (KPUX), 81 km from the middle of the area, began a volume at 18:04 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 12:00Z, 6.1 hours before the alert went out and 96 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 2018-12-12Temperature 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 2018-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.193958Sfc1 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
4228 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

240 
WWUS75 KBOU 121803
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
1103 AM MST Wed Dec 12 2018

COZ046-047-130215-
/O.NEW.KBOU.HW.W.0009.181213T0500Z-181213T1200Z/
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including the cities of Agate, Hugo, Limon, Matheson, Forder, 
Karval, Kutch, and Punkin Center
1103 AM MST Wed Dec 12 2018

...HIGH WIND WARNING IN EFFECT FROM 10 PM THIS EVENING TO 5 AM
MST THURSDAY...

The National Weather Service in Denver has issued a High Wind
Warning, which is in effect from 10 PM this evening to 5 AM MST
Thursday. 

* TIMING...10 PM Wednesday through 5 AM Thursday morning.

* WINDS...Sustained 30 mph, Gusts 60 mph

* IMPACTS...High profile vehicles will be susceptible to dangerous
  cross winds, especially along Interstate 70. Areas of blowing
  dust can also be expected. Visibilities may be reduced to one
  mile or less.

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
069 
WWUS75 KBOU 130301
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
801 PM MST Wed Dec 12 2018

...INCREASING WINDS ACROSS NORTHEAST COLORADO...

.A cold front moving over northeast Colorado with strong high
pressure building down from Wyoming is producing gusty winds over
the Colorado plains tonight. Winds are expected to continue
increasing through midnight. The winds are expected to be
strongest over the Palmer Divide where they will be accelerated as
they move over the slightly higher terrain. Pressure gradients
are expected to maximize across eastern Colorado around sunrise
Thursday morning. Winds will begin decreasing after that.

COZ046-047-131200-
/O.CON.KBOU.HW.W.0009.181213T0500Z-181213T1200Z/
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including the cities of Agate, Hugo, Limon, Matheson, Forder, 
Karval, Kutch, and Punkin Center
801 PM MST Wed Dec 12 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...

* TIMING...10 PM Wednesday through 5 AM Thursday morning.

* WINDS...Sustained 30 to 45 mph. Gusts up to 65 mph.

* IMPACTS...High profile vehicles will be susceptible to 
  dangerous cross winds, especially along Interstate 70. Areas 
  of blowing dust can also be expected. Visibilities may be 
  reduced to one mile or less. 

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.

&&

$$
965 
WWUS75 KBOU 130908
NPWBOU

URGENT - WEATHER MESSAGE
National Weather Service Denver/Boulder CO
208 AM MST Thu Dec 13 2018


COZ046-047-131015-
/O.CAN.KBOU.HW.W.0009.000000T0000Z-181213T1200Z/
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including the cities of Agate, Hugo, Limon, Matheson, Forder, 
Karval, Kutch, and Punkin Center
208 AM MST Thu Dec 13 2018

...HIGH WIND WARNING IS CANCELLED...

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

Gusty north winds will continue this morning but will remain below
warning criteria. Consequently, the high wind warning has been
cancelled.


$$

Nearby

High Wind Warnings in Colorado, 2018Every high wind warning in 2018

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.