Alert archive / Colorado / Tornado Warnings in 1997
Tornado Warning 38, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 31, 1997, 3:28 PM MDT for Elbert County, Colorado. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1997, 3:28 PM MDT (21:28 UTC)
- Expired
- Jul 31, 1997, 4:00 PM MDT
- In force
- 32 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Elbert County, CO
The radar
The Denver radar (KFTG), 66 km from the middle of the area, began a volume at 21:30 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 nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 101 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
- 64 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 1163 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 312131 RRA
TORDEN
COC039-312200-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
328 PM MDT THU JUL 31 1997
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES
IN EAST CENTRAL COLORADO
EAST CENTRAL ELBERT
AT 328 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO OVER CENTRAL ELBERT COUNTY...OR
ABOUT 15 MILES WEST OF LIMON.
THE STORM WAS MOVING EAST AT 10 MILES PER HOUR.
VERY HEAVY RAIN IS OCCURRING 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.
THIS TORNADO WARNING REPLACES THE TORNADO WARNING ISSUED FOR CENTRAL
ELBERT COUNTY AT 2657 PM MDT.
LESZCYNSKI
LAT...LON 3944 10383 3925 10383 3926 10400 3945 10400The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 6:35 PM MDT | Flash Flood Warning | BOU | Logan, Weld | 3 hr |
| Jul 30, 8:05 PM MDT | Flash Flood Warning | BOU | Arapahoe, Denver | 115 min |
| Jul 31, 2:25 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 35 min |
| Jul 31, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln, Washington | 60 min |
| Jul 31, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 60 min |
| Jul 31, 5:27 PM MDT | Flash Flood Warning | BOU | Morgan | 2 hr |
| Jul 31, 5:30 PM MDT | Flash Flood Warning | BOU | Logan, Washington | 3 hr |
| Jul 31, 5:30 PM MDT | Flash Flood Warning | BOU | Douglas | 2 hr |
Nearby
Tornado Warnings in Colorado, 1997Every tornado warning in 1997Tornadoes in 1997
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.