Alert archive / Colorado / Tornado Warnings in 2008
Tornado Warning 49, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Aug 6, 2008, 6:39 PM MDT for 4 counties in 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
- Aug 6, 2008, 6:39 PM MDT (00:39 UTC)
- Expired
- Aug 6, 2008, 7:15 PM MDT
- In force
- 36 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
Counties Adams County, CO, Broomfield County, CO, Denver County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 37 km from the middle of the area, began a volume at 00:41 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
Grand Junction, CO (KGJT), launched 00:00Z, 0.7 hours before the alert went out and 329 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
- 68 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1760 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 83 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 070039
TORBOU
COC001-014-031-123-070115-
/O.NEW.KBOU.TO.W.0049.080807T0039Z-080807T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
639 PM MDT WED AUG 6 2008
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ADAMS COUNTY IN NORTHEAST COLORADO
CENTRAL DENVER COUNTY IN NORTHEAST COLORADO
SOUTHWESTERN WELD COUNTY IN NORTHEAST COLORADO
EASTERN BROOMFIELD COUNTY IN NORTHEAST COLORADO
* UNTIL 715 PM MDT
* AT 636 PM MDT...THE PUBLIC REPORTED SEVERAL FUNNEL CLOUDS AND
POSSIBLY A WEAK BRIEF TORNADO FROM THUNDERSTORMS ALONG A LINE
EXTENDING FROM PLATTEVILLE TO 3 MILES SOUTHEAST OF DACONO TO
SOUTH CENTRAL THORNTON NORTH OF DENVER. THESE STORMS WERE NEARLY
STATIONARY.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PLATTEVILLE...FREDERICK...FORT LUPTON...FIRESTONE...FEDERAL
HEIGHTS...ERIE...DACONO...BRIGHTON...EASTERN WESTMINSTER...
THORNTON...NORTHGLENN...NORTH CENTRAL DENVER...WESTERN COMMERCE
CITY AND EASTERN BROOMFIELD.
VERY HEAVY RAINFALL FROM THESE THUNDERSTORMS HAVE ALSO PRODUCED
MINOR FLOODING OF ROADWAYS AND LOW LYING AREAS.
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 SAFE SHELTER IS AVAILABLE...LIE FLAT IN
THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.
LAT...LON 4018 10462 3994 10481 3977 10486 3980 10504
4005 10505 4027 10492
TIME...MOT...LOC 0036Z 198DEG 1KT 4022 10482 4005 10491
3986 10494
$$
BAKER1 follow-up statement
000
WWUS55 KBOU 070118
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
718 PM MDT WED AUG 6 2008
COC001-014-031-123-070125-
/O.EXP.KBOU.TO.W.0049.000000T0000Z-080807T0115Z/
ADAMS CO-DENVER CO-WELD CO-BROOMFIELD CO-
715 PM MDT WED AUG 6 2008
...THE TORNADO WARNING FOR EASTERN BROOMFIELD...SOUTHWESTERN WELD...
CENTRAL DENVER AND NORTHWESTERN ADAMS COUNTIES HAS EXPIRED...
THE THUNDERSTORM OUTFLOW BOUNDARY THAT SPAWNED THE FUNNEL CLOUDS AND
BRIEF WEAK TORNADOES HAS MOVED OUT AND WAS NO LONGER EXPECTED TO
PRODUCE SEVERE WEATHER ACROSS NORTHERN PORTIONS OF THE DENVER METRO
AREA.
LAT...LON 4018 10462 3994 10481 3977 10486 3980 10504
4005 10505 4027 10492
TIME...MOT...LOC 0039Z 198DEG 1KT 4022 10482 4005 10491
3986 10494
$$
BAKERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 45 min |
| Aug 6, 6:18 PM MDT | Areal Flood Advisory | BOU | Weld | 87 min |
| Aug 6, 6:22 PM MDT | Areal Flood Advisory | BOU | Douglas, Elbert | 83 min |
| Aug 6, 6:26 PM MDT | Areal Flood Advisory | BOU | Arapahoe, Elbert | 94 min |
| Aug 6, 6:30 PM MDT | Tornado Warning | BOU | Douglas, Elbert | 30 min |
| Aug 6, 6:47 PM MDT | Areal Flood Advisory | BOU | Broomfield, Weld | 88 min |
| Aug 6, 6:59 PM MDT | Tornado Warning | BOU | Boulder, Larimer, Weld | 31 min |
| Aug 6, 7:20 PM MDT | Areal Flood Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Denver, Jefferson and 1 more | 85 min |
| Aug 6, 7:32 PM MDT | Flash Flood Warning | BOU | Weld | 3 hr |
| Aug 6, 7:36 PM MDT | Areal Flood Advisory | BOU | Adams, Arapahoe, Denver, Elbert, Lincoln, Morgan and 2 more | 3 hr |
| Aug 6, 8:56 PM MDT | Areal Flood Advisory | BOU | Morgan, Washington | 109 min |
| Aug 6, 9:50 PM MDT | Flash Flood Warning | BOU | Morgan, Washington | 85 min |
| Aug 6, 10:30 PM MDT | Areal Flood Advisory | BOU | Washington | 90 min |
| Aug 6, 10:48 PM MDT | Areal Flood Advisory | BOU | Weld | 87 min |
| Aug 7, 11:37 AM MDT | Flash Flood Watch | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 7 more | 8 hr |
Nearby
Tornado Warnings in Colorado, 2008Every tornado warning in 2008Tornadoes in 2008
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.