Alert archive / Colorado / High Wind Warnings in 2010

High Wind Warning 2, NWS Denver/Boulder, CO

April 1, 2010Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this high wind warning at Apr 1, 2010, 2:34 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 4 hr. 2 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
Apr 1, 2010, 2:34 PM MDT (20:34 UTC)
Expired
Apr 1, 2010, 6:12 PM MDT
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 20:35 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
Apr 1, 2:48 PM MDTNON-TSTM WND GST 64Limon, CO
Apr 1, 3:15 PM MDTNON-TSTM WND GST 588 S Matheson, CO

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

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 8.6 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 2010-04-01Temperature 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 2010-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 square meters per square second.1939587897117136Sfc1 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
2420 m above ground
0-6 km bulk shear
97 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

779 
WWUS75 KBOU 012034
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
234 PM MDT THU APR 1 2010

COZ046-047-020200-
/O.NEW.KBOU.HW.W.0002.100401T2034Z-100402T0200Z/
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...PUNKIN CENTER
234 PM MDT THU APR 1 2010

...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 PM MDT THIS EVENING. 

* TIMING...STRONG SOUTHWEST WINDS WILL CONTINUE THROUGH THE LATE
  AFTERNOON HOURS. THE WINDS WILL SHIFT TO THE NORTHWEST BETWEEN 5
  AND 6 PM...AND THEN GRADUALLY DIMINISH BY 8 PM.

* WINDS...SOUTHWEST WINDS SUSTAINED AT 30 TO 35 MPH WILL GUST AS
  HIGH AS 60 MPH THROUGH LATE AFTERNOON.  

* IMPACTS...STRONG WINDS WILL PRODUCE HAZARDOUS DRIVING
  CONDITIONS...ESPECIALLY FOR HIGH PROFILE VEHICLES AND SEMI-
  TRUCKS. THIS INCLUDES I-70 FROM DEER TRAIL THROUGH LIMON AND
  ARRIBA. SOME BLOWING DUST CAN ALSO BE ANTICIPATED WITH LOCALLY
  REDUCED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. DRIVERS OF
HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE
WINDS SUBSIDE LATER THIS EVENING.

&&

$$
1 follow-up statement
605 
WWUS75 KBOU 020012
NPWBOU

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
612 PM MDT THU APR 1 2010

COZ046-047-020115-
/O.CAN.KBOU.HW.W.0002.000000T0000Z-100402T0200Z/
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...PUNKIN CENTER
612 PM MDT THU APR 1 2010

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH
WIND WARNING. 

HIGH WINDS HAVE DECREASED EARLY THIS EVENING. THERE WILL STILL BE
GUSTS UP TO 40 MPH THROUGH 8 PM...BUT THE THREAT OF HIGH WINDS HAS
ENDED.

$$

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 3:48 AM MDTWinter Weather AdvisoryBOUGrand, Jackson18 hr
Apr 1, 4:06 AM MDTRed Flag WarningBOUElbert, Lincoln, Washington16 hr

Nearby

High Wind Warnings in Colorado, 2010Every high wind warning in 2010

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.