Alert archive / Colorado / Tornado Warnings in 2007
Tornado Warning 36, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 14, 2007, 7:46 PM MDT for Adams County, Morgan County, Colorado. It was in force for 29 min. 1 report 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
- May 14, 2007, 7:46 PM MDT (01:46 UTC)
- Expired
- May 14, 2007, 8:15 PM MDT
- In force
- 29 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Adams County, CO, Morgan County, CO
The radar
The Denver radar (KFTG), 55 km from the middle of the area, began a volume at 01:48 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 |
|---|---|---|---|
| May 14, 7:57 PM MDT | HAIL 0.75 | 2 N Leader, 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 |
|---|---|---|---|
| May 14, 2:57 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 1.8 hours before the alert went out and 65 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
- 774 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1671 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS55 KBOU 150147 TORBOU COC001-087-150215- /O.NEW.KBOU.TO.W.0036.070515T0146Z-070515T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DENVER CO 746 PM MDT MON MAY 14 2007 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN MORGAN COUNTY IN NORTHEAST COLORADO EASTERN ADAMS COUNTY IN NORTHEAST COLORADO * UNTIL 815 PM MDT * AT 746 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES SOUTHWEST OF ADENA...OR ABOUT 23 MILES SOUTHWEST OF FORT MORGAN. THIS STORM WAS MOVING EAST AT 35 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TWELVE-MILE CORNER...SHAMROCK...LEADER...HOYT...ADENA SCHOOL AND ADENA. THIS TORNADO WARNING REPLACES THE EARLIER SEVERE THUNDERSTORM WARNING FOR THIS 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 SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4018 10414 3974 10415 3975 10373 4022 10369 $$ ENTREKIN
1 follow-up statement
000 WWUS55 KBOU 150204 SVSBOU SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 802 PM MDT MON MAY 14 2007 COC001-087-150215- /O.CON.KBOU.TO.W.0036.000000T0000Z-070515T0215Z/ MORGAN CO-ADAMS CO- 802 PM MDT MON MAY 14 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR EASTERN ADAMS AND SOUTHWESTERN MORGAN COUNTIES... AT 802 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS LOCATED 3 MILES NORTHWEST OF SHAMROCK...OR ABOUT 24 MILES SOUTH OF FORT MORGAN. THIS STORM WAS MOVING EAST AT 25 MPH. LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TWELVE-MILE CORNER...SHAMROCK...LEADER...HOYT...ADENA SCHOOL AND ADENA. GOLF BALL SIZED HAIL AND VERY HEAVY RAIN CAN ALSO BE EXPECTED WITH THIS STORM. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4018 10414 3974 10415 3975 10373 4022 10369 $$ ENTREKIN
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 6:11 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 64 min |
| May 14, 6:23 PM MDT | Tornado Warning | BOU | Weld | 52 min |
| May 14, 6:57 PM MDT | Tornado Warning | BOU | Adams, Weld | 48 min |
| May 14, 7:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver, Jefferson | 60 min |
| May 14, 7:27 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan | 33 min |
| May 14, 7:55 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 47 min |
| May 14, 8:19 PM MDT | Tornado Warning | BOU | Adams, Washington | 41 min |
| May 14, 8:25 PM MDT | Tornado Warning | BOU | Arapahoe, Elbert | 33 min |
| May 14, 8:52 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 53 min |
Nearby
Tornado Warnings in Colorado, 2007Every tornado warning in 2007Tornadoes in 2007
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.