Alert archive / Colorado / Tornado Warnings in 2007

Tornado Warning 10, NWS Denver/Boulder, CO

April 24, 2007Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Apr 24, 2007, 12:19 PM MDT for Lincoln County, Colorado. It was in force for 41 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 24, 2007, 12:19 PM MDT (18:19 UTC)
Expired: Apr 24, 2007, 1:00 PM MDT
In force: 41 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), 79 km from the middle of the area, began a volume at 18:22 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 (KDNR), launched 12:00Z, 6.3 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 566 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 98 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.

000 
WFUS55 KBOU 241819
TORBOU
COC073-241900-
/O.NEW.KBOU.TO.W.0010.070424T1819Z-070424T1900Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1219 PM MDT TUE APR 24 2007

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

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

* UNTIL 100 PM MDT

* AT 1219 PM MDT...THE PUBLIC REPORTED A FUNNEL CLOUD 19 MILES EAST
  OF KARVAL...OR ABOUT 43 MILES SOUTHEAST OF LIMON. THIS STORM WAS
  MOVING SOUTHWEST AT 20 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILD HORSE
  POINT AND KARVAL.

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 3868 10316 3887 10316 3874 10365 3851 10352

$$

BARJENBRUCH

1 follow-up statement

000 
WWUS55 KBOU 241852
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1248 PM MDT TUE APR 24 2007

COC073-241900-
/O.CON.KBOU.TO.W.0010.000000T0000Z-070424T1900Z/
LINCOLN CO-
1248 PM MDT TUE APR 24 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 PM MDT FOR
SOUTHEASTERN LINCOLN COUNTY...

AT 1248 PM MDT...THE LINCOLN COUNTY SHERIFF REPORTED A LARGE TORNADO 
JUST SOUTH OF HIGHWAY 94 AND NEAR THE CHEYENNE AND LINCOLN COUNTY 
LINE.  THIS STORM WAS LOCATED 6 MILES SOUTH OF BOYERO...OR ABOUT 40 
MILES SOUTHEAST OF LIMON. THIS STORM WAS MOVING WEST AT 15 MPH.

LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
WILD HORSE POINT AND KARVAL.  IF YOU ARE IN THE PATH OF THIS STORM 
TAKE COVER IMMEDIATELY

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 3868 10316 3887 10316 3874 10365 3851 10352

$$
BARJENBRUCH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 6:04 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe	56 min
Apr 23, 6:18 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	57 min
Apr 23, 6:27 PM MDT	Tornado Warning	BOU	Logan	48 min
Apr 23, 6:59 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Morgan, Washington	61 min
Apr 23, 7:15 PM MDT	Tornado Warning	BOU	Logan	45 min
Apr 23, 7:43 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe	28 min
Apr 23, 7:51 PM MDT	Tornado Warning	BOU	Morgan, Washington	39 min
Apr 23, 8:02 PM MDT	Severe Thunderstorm Warning	BOU	Logan	58 min
Apr 23, 8:20 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	30 min
Apr 23, 8:38 PM MDT	Severe Thunderstorm Warning	BOU	Washington	67 min
Apr 23, 9:46 PM MDT	Severe Thunderstorm Warning	BOU	Washington	59 min
Apr 23, 10:41 PM MDT	Severe Thunderstorm Warning	BOU	Washington	43 min
Apr 23, 10:57 PM MDT	Tornado Warning	BOU	Phillips	33 min
Apr 24, 5:31 AM MDT	Snow Advisory	BOU	Park	10 hr
Apr 24, 12:58 PM MDT	Tornado Warning	BOU	Lincoln	47 min
Apr 24, 3:46 PM MDT	Snow and Blowing Snow Advisory	BOU	Adams, Arapahoe, Boulder, Elbert, Grand, Jackson and 2 more	12 hr

Nearby

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