Alert archive / Colorado / Tornado Warnings in 2008
Tornado Warning 37, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 20, 2008, 7:03 PM MDT for Elbert County, Lincoln County, Washington County, Colorado. It was in force for 42 min. 2 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 20, 2008, 7:03 PM MDT (01:03 UTC)
- Expired
- Jun 20, 2008, 7:45 PM MDT
- In force
- 42 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
Counties Elbert County, CO, Lincoln County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 80 km from the middle of the area, began a volume at 01:03 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 20, 7:38 PM MDT | TORNADO | 2 Nw Genoa, CO | BRIEF TOUCHDOWN. |
| Jun 20, 7:43 PM MDT | HAIL 1.75 | 2 Nw Genoa, CO |
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 19, 6:22 PM MDT | Severe Thunderstorm Watch | SPC | 27 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 1.1 hours before the alert went out and 57 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
- 515 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 2747 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS55 KBOU 210103
TORBOU
COC039-073-121-210145-
/O.NEW.KBOU.TO.W.0037.080621T0103Z-080621T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
703 PM MDT FRI JUN 20 2008
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
EXTREME SOUTHWESTERN WASHINGTON COUNTY IN NORTHEAST COLORADO
NORTH CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO
NORTHEASTERN ELBERT COUNTY IN EAST CENTRAL COLORADO
* UNTIL 745 PM MDT
* AT 702 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 24 MILES
NORTH OF LIMON. THIS STORM WAS MOVING SOUTH SOUTHEAST AT 30 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LIMON AND
GENOA.
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.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLFBALL SIZE AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.
LAT...LON 3963 10356 3925 10348 3925 10392 3956 10392
3956 10370 3964 10370
TIME...MOT...LOC 0102Z 308DEG 18KT 3960 10377
$$
RPK2 follow-up statements
000
WWUS55 KBOU 210123
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
723 PM MDT FRI JUN 20 2008
COC121-210132-
/O.CAN.KBOU.TO.W.0037.000000T0000Z-080621T0145Z/
WASHINGTON CO-
722 PM MDT FRI JUN 20 2008
...THE TORNADO WARNING FOR EXTREME SOUTHWESTERN WASHINGTON COUNTY IS
CANCELLED...
LAT...LON 3956 10355 3925 10348 3925 10392 3956 10392
3956 10370
TIME...MOT...LOC 0122Z 308DEG 18KT 3947 10367
$$
COC039-073-210145-
/O.CON.KBOU.TO.W.0037.000000T0000Z-080621T0145Z/
LINCOLN CO-ELBERT CO-
722 PM MDT FRI JUN 20 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR
NORTHEASTERN ELBERT AND NORTH CENTRAL LINCOLN COUNTIES...
AT 722 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 11 MILES NORTHEAST OF CEDAR POINT...OR 15 MILES
NORTH OF LIMON. THIS STORM WAS MOVING SOUTH SOUTHEAST AT 30 MPH.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LIMON AND GENOA.
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.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLFBALL SIZE AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.
LAT...LON 3956 10355 3925 10348 3925 10392 3956 10392
3956 10370
TIME...MOT...LOC 0122Z 308DEG 18KT 3947 10367
$$
RPK000
WWUS55 KBOU 210133
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
733 PM MDT FRI JUN 20 2008
COC039-073-210145-
/O.CON.KBOU.TO.W.0037.000000T0000Z-080621T0145Z/
LINCOLN CO-ELBERT CO-
730 PM MDT FRI JUN 20 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR EAST
CENTRAL ELBERT AND NORTH CENTRAL LINCOLN COUNTIES...
AT 730 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 6 MILES NORTH OF LIMON. THIS STORM WAS MOVING
SOUTH SOUTHEAST AT 30 MPH.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LIMON AND GENOA. PERSONS LIVING IN AND NEAR LIMON AND GENOA SHOULD
TAKE COVER IMMEDIATELY
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLFBALL SIZE AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.
LAT...LON 3925 10348 3925 10383 3951 10383 3951 10354
3938 10351 3938 10350 3934 10350 3934 10349
3931 10350
TIME...MOT...LOC 0130Z 298DEG 19KT 3934 10363
$$
RPKThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 6:03 PM MDT | Tornado Warning | BOU | Adams | 42 min |
| Jun 20, 6:43 PM MDT | Tornado Warning | BOU | Adams, Arapahoe | 38 min |
| Jun 20, 7:37 PM MDT | Tornado Warning | BOU | Lincoln | 38 min |
| Jun 20, 7:43 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 37 min |
| Jun 20, 8:16 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 44 min |
| Jun 20, 8:26 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 49 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.