Alert archive / Colorado / Tornado Warnings in 2009
Tornado Warning 40, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 15, 2009, 1:23 PM MDT for Douglas County, Elbert County, Colorado. It was in force for 31 min. 3 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, 2009, 1:23 PM MDT (19:23 UTC)
- Expired
- Jun 15, 2009, 1:54 PM MDT
- In force
- 31 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
Counties Douglas County, CO, Elbert County, CO
The radar
The Denver radar (KFTG), 49 km from the middle of the area, began a volume at 19:24 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, 1:52 PM MDT | TORNADO | 12 Se Castle Rock, CO | |
| Jun 15, 1:53 PM MDT | TORNADO | 4 W Elbert, CO | DAMAGE TO BARN. |
| Jun 15, 1:56 PM MDT | HAIL 1.5 | 4 W Elbert, 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 12:00Z, 7.4 hours before the alert went out and 130 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
- 396 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KBOU 151923 TORBOU COC035-039-152015- /O.NEW.KBOU.TO.W.0040.090615T1923Z-090615T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DENVER CO 123 PM MDT MON JUN 15 2009 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL ELBERT COUNTY IN EAST CENTRAL COLORADO EAST CENTRAL DOUGLAS COUNTY IN NORTHEAST COLORADO * UNTIL 215 PM MDT * AT 123 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTHWEST OF ELIZABETH...OR 30 MILES NORTH OF COLORADO SPRINGS. THIS STORM WAS MOVING NORTHEAST AT 10 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PONDEROSA PARK...ELIZABETH AND ELBERT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3946 10448 3920 10450 3920 10473 3941 10474 TIME...MOT...LOC 1923Z 246DEG 14KT 3928 10464 $$
3 follow-up statements
000 WWUS55 KBOU 151933 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 133 PM MDT MON JUN 15 2009 COC035-039-152015- /O.CON.KBOU.TO.W.0040.000000T0000Z-090615T2015Z/ ELBERT CO-DOUGLAS CO- 133 PM MDT MON JUN 15 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM MDT FOR EAST CENTRAL DOUGLAS AND WEST CENTRAL ELBERT COUNTIES... AT 133 PM MDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF ELBERT...OR 29 MILES NORTH OF COLORADO SPRINGS. THIS STORM WAS MOVING EAST AT 15 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PONDEROSA PARK...ELIZABETH AND ELBERT. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3946 10448 3920 10450 3920 10473 3941 10474 TIME...MOT...LOC 1933Z 252DEG 12KT 3927 10461 $$
000 WWUS55 KBOU 151943 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 143 PM MDT MON JUN 15 2009 COC035-039-152015- /O.CON.KBOU.TO.W.0040.000000T0000Z-090615T2015Z/ ELBERT CO-DOUGLAS CO- 143 PM MDT MON JUN 15 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM MDT FOR EAST CENTRAL DOUGLAS AND WEST CENTRAL ELBERT COUNTIES... AT 138 PM MDT...NUMEROUS TRAINED WEATHER SPOTTERS REPORTED A TORNADO. THIS STORM WAS LOCATED 4 MILES NORTHWEST OF ELBERT... OR 30 MILES NORTH OF COLORADO SPRINGS. THIS STORM WAS MOVING EAST SOUTHEAST AT 15 MPH. THE TOWN OF ELBERT IS IN THE TRACK OF THIS TORNADO. SEEK SHELTER IMMEDIATELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 3946 10448 3920 10450 3920 10473 3941 10474 TIME...MOT...LOC 1938Z 252DEG 12KT 3927 10459 $$
000 WWUS55 KBOU 151954 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 154 PM MDT MON JUN 15 2009 COC035-039-152002- /O.CAN.KBOU.TO.W.0040.000000T0000Z-090615T2015Z/ ELBERT CO-DOUGLAS CO- 154 PM MDT MON JUN 15 2009 ...THE TORNADO WARNING FOR EAST CENTRAL DOUGLAS COUNTY IS CANCELLED... A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL ELBERT COUNTY UNTIL 230 PM MDT. RESIDENTS IN AND NEAR THE TOWN OF ELBERT NEED TO SEEK SHELTER IMMEDIATELY LAT...LON 3946 10448 3920 10450 3920 10473 3941 10474 TIME...MOT...LOC 1952Z 252DEG 12KT 3928 10453 $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:00 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 20 min |
| Jun 14, 6:09 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 10 min |
| Jun 15, 12:46 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 30 min |
| Jun 15, 1:51 PM MDT | Tornado Warning | BOU | Elbert | 39 min |
| Jun 15, 1:56 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 49 min |
| Jun 15, 2:00 PM MDT | Tornado Warning | BOU | Arapahoe | 30 min |
| Jun 15, 2:04 PM MDT | Tornado Warning | BOU | Larimer | 26 min |
| Jun 15, 2:23 PM MDT | Tornado Warning | BOU | Elbert | 52 min |
| Jun 15, 2:38 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 25 min |
| Jun 15, 2:40 PM MDT | Areal Flood Advisory | BOU | Larimer | 95 min |
| Jun 15, 3:12 PM MDT | Tornado Warning | BOU | Elbert | 48 min |
| Jun 15, 3:44 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 46 min |
| Jun 15, 3:55 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Weld | 50 min |
| Jun 15, 4:03 PM MDT | Areal Flood Advisory | BOU | Sedgwick | 87 min |
| Jun 15, 4:24 PM MDT | Flash Flood Warning | BOU | Sedgwick | 3 hr |
| Jun 15, 4:54 PM MDT | Severe Thunderstorm Warning | BOU | Sedgwick | 20 min |
Nearby
Tornado Warnings in Colorado, 2009Every tornado warning in 2009Tornadoes in 2009
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.