Alert archive / Colorado / Tornado Warnings in 2003
Tornado Warning 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Apr 29, 2003, 4:55 PM MDT for Lincoln County, Colorado. It was in force for 50 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
- Apr 29, 2003, 4:55 PM MDT (22:55 UTC)
- Expired
- Apr 29, 2003, 5:45 PM MDT
- In force
- 50 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Lincoln County, CO
The radar
The Denver radar (KFTG), 112 km from the middle of the area, began a volume at 22:55 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 29, 3:10 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.9 hours before the alert went out and 59 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
- 44 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1226 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
596 WFUS55 KBOU 292255 TORBOU COC073-292345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DENVER CO 454 PM MDT TUE APR 29 2003 THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN LINCOLN COUNTY IN EAST CENTRAL COLORADO * UNTIL 545 PM MDT * AT 454 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH A POSSIBLE TORNADO NEAR ARRIBA...OR ABOUT 21 MILES EAST OF LIMON...MOVING EAST AT 25 MPH. LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED TO...ARRIBA. THIS REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS ISSUED FOR THE SAME AREA AT 437 PM MDT. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. 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 3944 10349 3917 10350 3921 10319 3947 10317
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 6:09 PM MDT | Tornado Warning | BOU | Morgan | 31 min |
| Apr 28, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 60 min |
| Apr 28, 8:00 PM MDT | Tornado Warning | BOU | Adams, Morgan | 45 min |
| Apr 28, 8:18 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 57 min |
| Apr 28, 8:49 PM MDT | Tornado Warning | BOU | Adams | 41 min |
| Apr 28, 9:28 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 57 min |
| Apr 28, 10:11 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 19 min |
| Apr 28, 10:29 PM MDT | Severe Thunderstorm Warning | BOU | Morgan, Washington | 56 min |
| Apr 29, 3:48 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 42 min |
| Apr 29, 4:15 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 45 min |
| Apr 29, 4:28 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 32 min |
| Apr 29, 4:39 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 66 min |
| Apr 29, 4:48 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 57 min |
| Apr 29, 4:58 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 62 min |
| Apr 29, 5:04 PM MDT | Severe Thunderstorm Warning | BOU | Adams | 56 min |
| Apr 29, 5:11 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 64 min |
| Apr 29, 5:18 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 57 min |
| Apr 29, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson | 37 min |
| Apr 29, 5:58 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Denver, Douglas | 47 min |
| Apr 29, 5:59 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 61 min |
Nearby
Tornado Warnings in Colorado, 2003Every tornado warning in 2003Tornadoes in 2003
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.