Alert archive / Colorado / Tornado Warnings in 2007

Tornado Warning 45, NWS Denver/Boulder, CO

May 29, 2007Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 29, 2007, 5:36 PM MDT for Lincoln County, Colorado. It was in force for 18 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
May 29, 2007, 5:36 PM MDT (23:36 UTC)
Expired
May 29, 2007, 5:54 PM MDT
In force
18 min
Issued by
NWS Denver/Boulder, CO
Area
Counties, with a storm outline in the text

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 87 km from the middle of the area, began a volume at 23:39 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
May 29, 12:29 PM MDTTornado WatchSPC8 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.6 hours before the alert went out and 105 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 2007-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2007-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 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
18 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
1497 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
-23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WFUS55 KBOU 292336
TORBOU
COC073-300015-
/O.NEW.KBOU.TO.W.0045.070529T2336Z-070530T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
536 PM MDT TUE MAY 29 2007

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

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

* UNTIL 615 PM MDT

* AT 536 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES WEST OF
  BOYERO...OR ABOUT 28 MILES SOUTHEAST OF LIMON. THIS STORM WAS      
  MOVING EAST NORTHEAST AT 15 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOYERO.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3900 10349 3875 10354 3876 10317 3913 10317

$$
1 follow-up statement
000 
WWUS55 KBOU 292354
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
554 PM MDT TUE MAY 29 2007

COC073-300004-
/O.CAN.KBOU.TO.W.0045.000000T0000Z-070530T0015Z/
LINCOLN CO-
554 PM MDT TUE MAY 29 2007

...THE TORNADO WARNING FOR EAST CENTRAL LINCOLN COUNTY IS
CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS 
EXITING THE AREA.

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

LAT...LON 3900 10349 3875 10354 3876 10317 3913 10317

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 12:13 PM MDTSevere Thunderstorm WarningBOUJefferson21 min
May 29, 12:32 PM MDTSevere Thunderstorm WarningBOUAdams, Denver, Jefferson43 min
May 29, 12:46 PM MDTSevere Thunderstorm WarningBOUBoulder, Weld30 min
May 29, 1:05 PM MDTSevere Thunderstorm WarningBOUAdams, Denver, Jefferson55 min
May 29, 1:54 PM MDTSevere Thunderstorm WarningBOUAdams, Denver29 min
May 29, 1:58 PM MDTSevere Thunderstorm WarningBOUDouglas, Elbert22 min
May 29, 2:16 PM MDTTornado WarningBOUDouglas, Elbert44 min
May 29, 2:44 PM MDTSevere Thunderstorm WarningBOUMorgan50 min
May 29, 2:59 PM MDTSevere Thunderstorm WarningBOUElbert32 min
May 29, 3:27 PM MDTTornado WarningBOUElbert48 min
May 29, 4:11 PM MDTTornado WarningBOUElbert, Lincoln49 min
May 29, 4:16 PM MDTSevere Thunderstorm WarningBOUWashington26 min
May 29, 4:49 PM MDTTornado WarningBOUElbert, Lincoln41 min
May 29, 4:56 PM MDTTornado WarningBOULincoln49 min
May 29, 4:58 PM MDTSevere Thunderstorm WarningBOUPhillips34 min

Nearby

Tornado Warnings in Colorado, 2007Every tornado warning in 2007Tornadoes in 2007

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.