Alert archive / Colorado / Tornado Warnings in 2008
Tornado Warning 29, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 4, 2008, 5:46 PM MDT for Washington County, Colorado. It was in force for 29 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
- Jun 4, 2008, 5:46 PM MDT (23:46 UTC)
- Expired
- Jun 4, 2008, 6:15 PM MDT
- In force
- 29 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
County Washington County, CO
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 4, 12:42 PM MDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.8 hours before the alert went out and 40 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
- 266 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 675 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS55 KBOU 042346
TORBOU
COC121-050015-
/O.NEW.KBOU.TO.W.0029.080604T2346Z-080605T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
546 PM MDT WED JUN 4 2008
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL WASHINGTON COUNTY IN NORTHEAST COLORADO
* UNTIL 615 PM MDT
* AT 545 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
SOUTHEAST OF OTIS...OR 16 MILES EAST OF AKRON. THIS STORM WAS
MOVING EAST AT 24 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OTIS.
IN ADDITION TO THE TORNADO THREAT...THIS STORM WILL PRODUCE LARGE
HAIL UP TO GOLF BALL SIZE IN THE OTIS AREA.
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.
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 4004 10289 4013 10301 4020 10297 4025 10279
4004 10279
TIME...MOT...LOC 2345Z 262DEG 21KT 4010 10290
$$
GIMMESTAD2 follow-up statements
000
WWUS55 KBOU 042357
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
557 PM MDT WED JUN 4 2008
COC121-050015-
/O.CON.KBOU.TO.W.0029.000000T0000Z-080605T0015Z/
WASHINGTON CO-
557 PM MDT WED JUN 4 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM MDT FOR EAST
CENTRAL WASHINGTON COUNTY...
AT 557 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR HYDE...OR 21 MILES EAST OF AKRON. THIS STORM
WAS MOVING EAST AT 32 MPH.
THE SEVERE THUNDERSTORM WILL REMAIN OVER AREAS BETWEEN OTIS AND THE
YUMA COUNTY LINE.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN DENVER.
LAT...LON 4007 10285 4015 10293 4021 10293 4025 10279
4008 10279
TIME...MOT...LOC 2357Z 249DEG 28KT 4015 10277
$$
GIMMESTAD000
WWUS55 KBOU 050009
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
609 PM MDT WED JUN 4 2008
COC121-050019-
/O.EXP.KBOU.TO.W.0029.000000T0000Z-080605T0015Z/
WASHINGTON CO-
609 PM MDT WED JUN 4 2008
...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY WILL EXPIRE
AT 615 PM MDT...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED INTO YUMA
COUNTY.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT WEDNESDAY EVENING
FOR NORTHEASTERN COLORADO.
LAT...LON 4007 10285 4015 10293 4021 10293 4025 10279
4008 10279
TIME...MOT...LOC 0009Z 249DEG 28KT 4018 10265
$$
GIMMESTADThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 2:11 PM MDT | Tornado Warning | BOU | Washington | 35 min |
| Jun 4, 2:38 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Weld | 37 min |
| Jun 4, 2:48 PM MDT | Tornado Warning | BOU | Adams, Morgan, Weld | 42 min |
| Jun 4, 2:58 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Boulder, Broomfield, Jefferson, Weld | 47 min |
| Jun 4, 3:26 PM MDT | Tornado Warning | BOU | Adams, Morgan, Washington | 35 min |
| Jun 4, 3:59 PM MDT | Tornado Warning | BOU | Morgan, Washington | 46 min |
| Jun 4, 4:36 PM MDT | Tornado Warning | BOU | Washington | 39 min |
| Jun 4, 5:11 PM MDT | Tornado Warning | BOU | Washington | 34 min |
| Jun 4, 5:17 PM MDT | Flash Flood Warning | BOU | Morgan, Washington | 2 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.