Alert archive / Colorado / Tornado Warnings in 1996
Tornado Warning 101, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Aug 29, 1996, 6:25 PM MDT for Weld County, Colorado. It was in force for 50 min. 5 reports 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
- Aug 29, 1996, 6:25 PM MDT (00:25 UTC)
- Expired
- Aug 29, 1996, 7:15 PM MDT
- In force
- 50 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Weld County, CO
The radar
The Cheyenne radar (KCYS), 75 km from the middle of the area, began a volume at 00:27 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 |
|---|---|---|---|
| Aug 29, 6:27 PM MDT | Hail 0.75 | Windsor, CO | |
| Aug 29, 6:37 PM MDT | Hail 1 | Greeley, CO | |
| Aug 29, 6:43 PM MDT | Hail 0.75 | Greeley, CO | |
| Aug 29, 6:48 PM MDT | Hail 1.75 | Milliken, CO | |
| Aug 29, 6:48 PM MDT | Hail 0.75 | Evans, 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 00:00Z, 0.4 hours before the alert went out and 125 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
- 702 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 2013 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 300029
TORDEN
COC123-300115-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
625 PM MDT THU AUG 29 1996
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 715 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES
IN NORTHEAST COLORADO
WESTERN AND CENTRAL WELD COUNTY
INCLUDING THE FOLLOWING LOCATIONS
GREELEY...AULT...BARNESVILLE...BRIGGSDALE...EATON...EVANS...
GALETON...GARDEN CITY...GILCREST...GILL...GROVER...MILLIKEN...
JOHNSTOWN...KERSEY...LA SALLE...LUCERNE...MILTON RESERVOIR...
PECKHAM...PIERCE...PLATTEVILLE...PURCELL...RIVERSIDE
RESERVOIR...SEVERANCE AND WINDSOR
AT 622 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THREE
POSSIBLE TORNADOES IN WELD COUNTY. ONE WAS LOCATED 2 MILES WEST OF
GREELEY...A SECOND WAS LOCATED JUST WEST OF GALETON...AND A THIRD
WAS LOCATED JUST WEST OF GROVER.
THESE TORNADOES WERE MOVING EAST SOUTHEAST AT 10 MPH AND PERSONS IN
THE PATH OF THESE STORMS 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. IFj NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4031 10425 4018 10491 4056 10488 4092 10440
4098 10416
KLEYLAThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 6:05 PM MDT | Tornado Warning | BOU | Weld | 25 min |
| Aug 29, 7:12 PM MDT | Tornado Warning | BOU | Weld | 48 min |
| Aug 29, 7:39 PM MDT | Tornado Warning | BOU | Adams | 36 min |
| Aug 29, 7:40 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 50 min |
| Aug 29, 8:00 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Denver | 30 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.