Alert archive / Colorado / Tornado Warnings in 1992

Tornado Warning 22, NWS Denver/Boulder, CO

August 17, 1992Douglas County, Jefferson County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Aug 17, 1992, 4:38 PM MDT for Douglas County, Jefferson County, Colorado. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Aug 17, 1992, 4:38 PM MDT (22:38 UTC)
Expired
Aug 17, 1992, 5:15 PM MDT
In force
37 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Douglas County, CO, Jefferson County, CO

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.6 hours before the alert went out and 166 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 1992-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1992-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDEN 172238
TORDEN
COC119-035-059-172315-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
438 PM MDT MON AUG 17 1992

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN CENTRAL COLORADO
     NORTHERN TELLER

IN NORTHEASTERN COLORADO
     EXTREME SOUTHWESTERN DOUGLAS AND EXTREME SOUTHWESTERN
     JEFFERSON

INCLUDING THE FOLLOWING LOCATIONS
     WESTCREEK

AT 438 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A POSSIBLE TORNADO 9 MILES WEST OF WESTCREEK ...OR ABOUT 37
MILES NORTHWEST OF COLORADO SPRINGS.

THE STORM WAS MOVING TO THE SOUTHEAST AT 20 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.

MCQUEEN
LAT...LON 3901 10510 3906 10531 3920 10535 3919 10520

What 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, Aug 17, 11:50 AM MDT, 4 hours 48 minutes before
COZ002-004-011-012-013-180000-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1150 AM MDT MON AUG 17 1992

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS          DENVER     JACKSON      LOGAN       SEDGWICK     YUMA
ARAPAHOE       DOUGLAS    JEFFERSON    MORGAN      SUMMIT
BOULDER        GILPIN     LARIMER      PARK        WASHINGTON
CLEAR CREEK    GRAND      LAKE         PHILLIPS    WELD

IT WILL BE SHOWERY ACROSS NORTHEAST COLORADO TODAY...WITH SOME THUNDER
BUT NOTHING TOO INTENSE.  MOISTURE HAS INCREASED ENOUGH BEHIND A COLD
FRONT SO THAT THERE WILL ALSO BE BRIEF HEAVY RAIN FROM SOME OF THE
SHOWERS.  STORM MOVEMENT TO THE ^SOUTHEAST AT 20 MPH SHOULD BE FAST
ENOUGH TO AVOID SERIOUS WATER PROBLEMS.

SPOTTER ACTIVATION IS NOT EXPECTED TODAY.

MCQUEEN

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; the sounding from the Mesonet's radiosonde archive.