Alert archive / Colorado / Tornado Warnings in 1996
Tornado Warning 71, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 30, 1996, 3:17 PM MDT for Washington County, Colorado. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 30, 1996, 3:17 PM MDT (21:17 UTC)
- Expired
- Jul 30, 1996, 4:00 PM MDT
- In force
- 43 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The radar
The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 21:16 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 |
|---|---|---|---|
| Jul 30, 4:00 PM MDT | Hail 1.5 | Anton, CO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.3 hours before the alert went out and 11 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
- 11 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 1187 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 66 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 302117
TORDEN
COC121-302200-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
317 PM MDT TUE JUL 30 1996
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES
IN NORTHEAST COLORADO
CENTRAL WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
ANTON...ARICKAREE SCHOOL AND LINDON
AT 311 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO 6 MILES NORTHWEST OF ANTON...OR
ABOUT 43 MILES NORTHEAST OF LIMON.
THE STORM WAS MOVING SOUTHWEST AT 20 MILES PER HOUR.
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 3971 10302 3969 10341 3987 10344 3993 10311The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:29 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 31 min |
| Jul 30, 2:59 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 41 min |
| Jul 30, 3:43 PM MDT | Tornado Warning | BOU | Lincoln, Washington | 32 min |
| Jul 30, 4:16 PM MDT | Tornado Warning | BOU | Lincoln | 29 min |
| Jul 30, 4:45 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 30 min |
| Jul 30, 5:12 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 38 min |
Nearby
Tornado Warnings in Colorado, 1996Every tornado warning in 1996Tornadoes in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.