Alert archive / Colorado / Tornado Warnings in 2010

Tornado Warning 2, NWS Denver/Boulder, CO

April 22, 2010Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Apr 22, 2010, 1:29 PM MDT for Lincoln County, Colorado. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 22, 2010, 1:29 PM MDT (19:29 UTC)
Expired
Apr 22, 2010, 2:15 PM MDT
In force
46 min
Issued by
NWS Denver/Boulder, CO
Area
Storm-based polygon

County Lincoln County, CO

The radar

The Denver radar (KFTG), 99 km from the middle of the area, began a volume at 19:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 22, 12:30 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 7.5 hours before the alert went out and 71 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 2010-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2010-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
24 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
531 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
151 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.

362 
WFUS55 KBOU 221929
TORBOU
COC073-222015-
/O.NEW.KBOU.TO.W.0002.100422T1929Z-100422T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
129 PM MDT THU APR 22 2010

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO

* UNTIL 215 PM MDT

* AT 129 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES   
  SOUTHWEST OF HUGO...OR 9 MILES SOUTHEAST OF LIMON. THIS STORM WAS   
  MOVING NORTH AT 25 MPH.  THE PUBLIC ALSO REPORTED A FUNNEL CLOUD 
  IN THIS AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LIMON...
  HUGO AND GENOA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3912 10371 3956 10371 3957 10339 3910 10340
TIME...MOT...LOC 1929Z 189DEG 21KT 3920 10357

$$
BARJENBRUCH
2 follow-up statements
587 
WWUS55 KBOU 221954
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
154 PM MDT THU APR 22 2010

COC073-222015-
/O.CON.KBOU.TO.W.0002.000000T0000Z-100422T2015Z/
LINCOLN CO-
154 PM MDT THU APR 22 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM MDT FOR NORTH
CENTRAL LINCOLN COUNTY...

AT 153 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS STORM WAS
LOCATED 6 MILES NORTHWEST OF GENOA...OR 7 MILES NORTHEAST OF LIMON.
THIS STORM WAS MOVING NORTH AT 25 MPH.  ANOTHER STORM WAS LOCATED
1 MILE EAST OF GENOA...MOVING NORTH AT 25 MPH.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GENOA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

&&

LAT...LON 3928 10370 3956 10371 3957 10343 3957 10339
      3956 10339 3926 10348
TIME...MOT...LOC 1953Z 178DEG 20KT 3935 10359

$$
BARJENBRUCH
217 
WWUS55 KBOU 222011
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
211 PM MDT THU APR 22 2010

COC073-222021-
/O.EXP.KBOU.TO.W.0002.000000T0000Z-100422T2015Z/
LINCOLN CO-
211 PM MDT THU APR 22 2010

...THE TORNADO WARNING FOR NORTH CENTRAL LINCOLN COUNTY WILL EXPIRE
AT 215 PM MDT...

THIS THUNDERSTORM HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT THURSDAY EVENING
FOR NORTHEASTERN COLORADO.

LAT...LON 3928 10370 3956 10371 3957 10343 3957 10339
      3956 10339 3926 10348
TIME...MOT...LOC 2011Z 178DEG 20KT 3945 10359

$$
BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 8:05 PM MDTSpecial Weather StatementBOUPark25 min
Apr 22, 8:06 AM MDTSpecial Weather StatementBOUElbert, Washington54 min
Apr 22, 11:19 AM MDTWinter Storm WatchBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 3 more18 hr
Apr 22, 11:19 AM MDTWinter Storm WarningBOUArapahoe, Boulder, Clear Creek, Douglas, Elbert, Gilpin and 6 more46 hr
Apr 22, 11:19 AM MDTWinter Weather AdvisoryBOUArapahoe, Douglas, Elbert, Grand, Jackson, Park and 1 more41 hr
Apr 22, 1:34 PM MDTTornado WarningBOUArapahoe, Denver, Douglas41 min
Apr 22, 2:10 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver52 min
Apr 22, 2:30 PM MDTSevere Thunderstorm WarningBOUAdams60 min
Apr 22, 2:33 PM MDTSevere Thunderstorm WarningBOULincoln42 min
Apr 22, 2:35 PM MDTSevere Thunderstorm WarningBOUMorgan55 min
Apr 22, 2:43 PM MDTTornado WarningBOUAdams, Arapahoe10 min
Apr 22, 2:57 PM MDTTornado WarningBOUAdams, Arapahoe48 min
Apr 22, 3:20 PM MDTSpecial Weather StatementBOULincoln25 min
Apr 22, 3:29 PM MDTTornado WarningBOUArapahoe, Elbert16 min
Apr 22, 3:34 PM MDTTornado WarningBOUAdams, Morgan41 min
Apr 22, 3:36 PM MDTTornado WarningBOUArapahoe, Elbert28 min
Apr 22, 4:11 PM MDTTornado WarningBOUMorgan49 min
Apr 22, 4:17 PM MDTAreal Flood AdvisoryBOUAdams, Morgan, Weld3 hr
Apr 22, 5:51 PM MDTSpecial Weather StatementBOULogan54 min
Apr 22, 5:54 PM MDTSpecial Weather StatementBOULincoln66 min

Nearby

Tornado Warnings in Colorado, 2010Every tornado warning in 2010Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.