Alert archive / Colorado / Tornado Warnings in 2004

Tornado Warning 33, NWS Denver/Boulder, CO

July 9, 2004Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jul 9, 2004, 10:07 PM MDT for Lincoln County, Colorado. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 9, 2004, 10:07 PM MDT (04:07 UTC)
Expired: Jul 9, 2004, 10:45 PM MDT
In force: 38 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), 99 km from the middle of the area, began a volume at 04:08 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

Time	Report	Where	Remark
Jul 9, 10:39 PM MDT	HAIL 1	16 Se Hugo, 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 00:00Z, 4.1 hours before the alert went out and 98 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: 7 J/kg
Mixed-layer CIN: -305 J/kg
Mixed-layer LCL: 3138 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 154 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 100407
TORBOU
COC073-100445-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1007 PM MDT FRI JUL 9 2004

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

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

* UNTIL 1045 PM MDT

* AT 1007 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH A POSSIBLE TORNADO 7 MILES NORTHEAST OF BOYERO...
  OR ABOUT 31 MILES SOUTHEAST OF LIMON.  THE STORM WAS NEARLY
  STATIONARY.

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.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN DENVER.

LAT...LON 3891 10333 3890 10317 3911 10317 3912 10334

$$
RTG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 6:53 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	52 min
Jul 9, 7:12 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	63 min
Jul 9, 7:59 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	61 min
Jul 9, 9:04 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	56 min
Jul 9, 9:34 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	41 min
Jul 9, 10:22 PM MDT	Flash Flood Warning	BOU	Lincoln	3 hr
Jul 9, 10:48 PM MDT	Severe Thunderstorm Warning	BOU	Phillips, Sedgwick	57 min
Jul 9, 10:56 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	64 min
Jul 10, 5:39 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Phillips, Sedgwick	51 min

Nearby

Tornado Warnings in Colorado, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.