Alert archive / Colorado / Tornado Warnings in 2004
Tornado Warning 19, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 15, 2004, 2:31 PM MDT for Douglas County, Colorado. It was in force for 44 min. 15 reports 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
- Jun 15, 2004, 2:31 PM MDT (20:31 UTC)
- Expired
- Jun 15, 2004, 3:15 PM MDT
- In force
- 44 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Douglas County, CO
The radar
The Denver radar (KFTG), 60 km from the middle of the area, began a volume at 20:33 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 |
|---|---|---|---|
| Jun 15, 2:39 PM MDT | TORNADO | 2 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:39 PM MDT | TORNADO | 4 S Castle Rock, CO | ROOF BLOWN OFF MACHINE SHOP. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
| Jun 15, 2:40 PM MDT | TORNADO | 1 W Castle Rock, CO | NO DAMAGE REPORTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 15, 1:20 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 160 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2740 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KBOU 152031 TORBOU COC035-152115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DENVER CO 231 PM MDT TUE JUN 15 2004 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * TORNADO WARNING FOR... CENTRAL DOUGLAS COUNTY IN NORTHEAST COLORADO * UNTIL 315 PM MDT * AT 231 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH A POSSIBLE TORNADO 3 MILES EAST OF SPRUCEWOOD... OR ABOUT 27 MILES SOUTH OF DENVER...MOVING NORTHEAST AT 20 MPH. A FUNNEL CLOUD HAS BEEN REPORTED NEAR SEDALIA AT 2:40 PM. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...BEVERLY HILLS...CASTLE PINES...CASTLE ROCK...DEVILS HEAD...FRANKTOWN... LOUVIERS...PARKER...PERRY PARK...ROXBOROUGH PARK...SEDALIA... SPRUCEWOOD...SURREY RIDGE AND THE PINERY. 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 3925 10520 3922 10473 3953 10470 3953 10504 $$ RJK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 2:23 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 52 min |
| Jun 15, 2:32 PM MDT | Tornado Warning | BOU | Douglas | 43 min |
| Jun 15, 2:54 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert | 36 min |
| Jun 15, 3:29 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert | 46 min |
| Jun 15, 3:33 PM MDT | Tornado Warning | BOU | Adams | 42 min |
| Jun 15, 4:59 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 46 min |
| Jun 15, 5:42 PM MDT | Tornado Warning | BOU | Lincoln | 48 min |
Nearby
Tornado Warnings in Colorado, 2004Every tornado warning in 2004Tornadoes 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.