Alert archive / Colorado / Tornado Warnings in 1992
Tornado Warning 17, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jul 1, 1992, 7:03 PM MDT for Washington County, Colorado. It was in force for 42 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 1, 1992, 7:03 PM MDT (01:03 UTC)
- Expired
- Jul 1, 1992, 7:45 PM MDT
- In force
- 42 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 7:41 PM MDT | Tornado F0 | Washington, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.1 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
- 620 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 411 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 020107
TORDEN
COC121-020145-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
703 PM MDT WED JUL 01 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN NORTHEASTERN COLORADO
SOUTHWESTERN WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
ANTON...LAST CHANCE AND LINDON
AT 703 PM MDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
TORNADO ABOUT 7 MILES SOUTH OF LINDON...35 MILES SOUTH SOUTHWEST OF
AKRON. ANOTHER POSSIBLE TORNADO WAS DETECTED ABOUT 5 MILES NORTHEAST
OF LINDON OR ABOUT 25 MILES SOUTH OF AKRON.
THE THUNDERSTORM PRODUCING THE POSSIBLE TORNADOES WERE MOVING TO THE
EAST ABOUT 20-25 MPH.
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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
LAT...LON 3959 10326 3959 10368 3975 10367 3984 10321What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 1, 5:06 PM MDT, 1 hour 57 minutes before
COZ011-012-020000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 510 PM MDT WED JUL 01 1992 ...STRONG THUNDERSTORM SOUTHEAST OF PLATTEVILLE... AT 5 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG AND RAPIDLY DEVELOPING THUNDERSTORM SOUTHEAST OF PLATTEVILLE OR ABOUT 30 MILES SOUTHEAST OF FORT COLLINS. THE STORM WAS MOVING TO THE EAST AT ABOUT 10 MPH. HAIL...STRONG WINDS AND VERY HEAVY RAIN WILL ACCOMPANY THIS STORM AS IT MOVES ACROSS SOUTH CENTRAL WELD COUNTY NORTH OF HUDSON OVER THE NEXT 30 MINUTES. MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. ET
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 6:04 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 36 min |
| Jul 1, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 20 min |
| Jul 1, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 40 min |
| Jul 1, 7:39 PM MDT | Tornado Warning | BOU | Washington | 51 min |
| Jul 1, 8:24 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 51 min |
| Jul 1, 9:13 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 47 min |
Nearby
Tornado Warnings in Colorado, 1992Every tornado warning in 1992Tornadoes in 1992
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.