Alert archive / Colorado / Tornado Warnings in 2005
Tornado Warning 31, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 15, 2005, 4:10 PM MDT for Douglas County, Colorado. It was in force for 36 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
- Jul 15, 2005, 4:10 PM MDT (22:10 UTC)
- Expired
- Jul 15, 2005, 4:46 PM MDT
- In force
- 36 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), 42 km from the middle of the area, began a volume at 22:13 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, 10.2 hours before the alert went out and 147 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
- 196 J/kg
- Mixed-layer CIN
- -456 J/kg
- Mixed-layer LCL
- 1830 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 20 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 152210 TORBOU COC035-152245- /O.NEW.KBOU.TO.W.0031.050715T2210Z-050715T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DENVER CO 410 PM MDT FRI JUL 15 2005 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * TORNADO WARNING FOR... NORTH CENTRAL DOUGLAS COUNTY IN NORTHEAST COLORADO * UNTIL 445 PM MDT * AT 403 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES WEST OF SURREY RIDGE...OR ABOUT 17 MILES SOUTH OF DENVER. THIS STORM WAS MOVING SOUTH AT 10 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SURREY RIDGE...HIGHLANDS RANCH...BEVERLY HILLS AND SOUTHWESTERN CENTENNIAL. 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 3956 10481 3956 10499 3943 10500 3943 10481 $$ RPK
3 follow-up statements
000 WWUS55 KBOU 152218 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 418 PM MDT FRI JUL 15 2005 COC035-152245- /O.CON.KBOU.TO.W.0031.000000T0000Z-050715T2245Z/ DOUGLAS CO- 418 PM MDT FRI JUL 15 2005 ...A TORNADO WARNING CONTINUES UNTIL 445 PM MDT FOR NORTH CENTRAL DOUGLAS COUNTY... AT 415 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 3 MILES WEST OF BEVERLY HILLS...OR ABOUT 17 MILES SOUTH OF DENVER. THIS STORM WAS MOVING SOUTH AT 10 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SURREY RIDGE...HIGHLANDS RANCH...BEVERLY HILLS...SOUTHEASTERN LITTLETON AND SOUTHWESTERN CENTENNIAL. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. LAT...LON 3956 10481 3956 10499 3943 10500 3943 10481 $$ RPK
000 WWUS55 KBOU 152232 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 431 PM MDT FRI JUL 15 2005 COC035-152245- /O.CON.KBOU.TO.W.0031.000000T0000Z-050715T2245Z/ DOUGLAS CO- 431 PM MDT FRI JUL 15 2005 ...A TORNADO WARNING CONTINUES UNTIL 445 PM MDT FOR NORTH CENTRAL DOUGLAS COUNTY... AT 428 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 3 MILES SOUTHWEST OF BEVERLY HILLS...OR ABOUT 19 MILES SOUTH OF DENVER. THIS STORM WAS MOVING SOUTH AT 10 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SURREY RIDGE...HIGHLANDS RANCH AND BEVERLY HILLS. 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. LAT...LON 3956 10481 3956 10499 3943 10500 3943 10481 $$ RPK
000 WWUS55 KBOU 152246 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 446 PM MDT FRI JUL 15 2005 COC035-152256- /O.EXP.KBOU.TO.W.0031.000000T0000Z-050715T2245Z/ DOUGLAS CO- 446 PM MDT FRI JUL 15 2005 ...THE TORNADO WARNING FOR NORTH CENTRAL DOUGLAS COUNTY EXPIRED AT 445 PM MDT... THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS NO LONGER EXPECTED TO PRODUCE SEVERE WEATHER. LAT...LON 3956 10481 3956 10499 3943 10500 3943 10481 $$ RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 2:02 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 43 min |
| Jul 15, 2:29 PM MDT | Severe Thunderstorm Warning | BOU | Boulder, Gilpin | 35 min |
| Jul 15, 3:09 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 51 min |
| Jul 15, 3:12 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 48 min |
| Jul 15, 3:49 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver | 26 min |
| Jul 15, 3:55 PM MDT | Tornado Warning | BOU | Arapahoe, Denver | 35 min |
| Jul 15, 4:21 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 39 min |
| Jul 15, 5:02 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 43 min |
| Jul 15, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 55 min |
| Jul 15, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Washington | 45 min |
| Jul 15, 5:48 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 61 min |
Nearby
Tornado Warnings in Colorado, 2005Every tornado warning in 2005Tornadoes in 2005
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.