Alert archive / Colorado / Tornado Warnings in 1996

Tornado Warning 92, NWS Denver/Boulder, CO

August 6, 1996Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Aug 6, 1996, 10:45 PM MDT for Lincoln County, Colorado. It was in force for 30 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
Aug 6, 1996, 10:45 PM MDT (04:45 UTC)
Expired
Aug 6, 1996, 11:15 PM MDT
In force
30 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Lincoln County, CO

The radar

The Pueblo radar (KPUX), 82 km from the middle of the area, began a volume at 04:46 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 00:00Z, 4.8 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 1996-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 508 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1996-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
508 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
3514 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 070446
TORDEN
COC073-070515-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1045 PM MDT TUE AUG 6 1996

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 1115 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES

IN EAST CENTRAL COLORADO
     NORTHWESTERN LINCOLN

INCLUDING THE FOLLOWING LOCATIONS
     LIMON

AT 1041 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO 8 MILES NORTHEAST OF LIMON.
THIS TORNADO WARNING REPLACES THE PREVIOUS SEVERE THUNDERSTORM 
WARNING. 

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 3939 10336 3917 10365 3937 10376 3954 10368

ENTREKIN

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 6, 7:12 PM MDT, 3 hours 33 minutes before
COZ035-038>-070500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
710 PM MDT TUE AUG 6 1996

...THUNDERSTORMS CONTINUE TO REDEVELOP OVER LARIMER COUNTY...

LATEST DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUE TO REDEVELOP
OVER LARIMER COUNTY...THEN HAVE PUSHED OUT INTO NORTHWEST WELD
COUNTY. THIS PATTERN HAS BEEN PRESENT DURING THE PAST HOUR AND WILL
CONTINUE DURING THE NEXT SEVERAL HOURS.

RADAR PRECIPATION ESTIMATES BETWEErN .50 AND .75 INCHES OF RAIN HAVE
ALREADY FALLEN OVER EXTREME NORTHEASTERN LARIMER COUNTY. ADDITIONAL
RAINFALL WILL CAUSE SOME LOCALIZED SMALL STREAM FLOODING OVER THIS
AREA.

THESE STORMS SHOULD DIMINISH LATER THIS EVENING.

ENTREKIN
Special weather statement, Aug 6, 7:44 PM MDT, 3 hours 1 minute before
COZ035-038-043-070500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
740 PM MDT TUE AUG 6 1996

...THUNDERSTORM OVER EXTREME WEST CENTRAL WELD COUNTY...

LATEST DOPPLER RADAR INDICATED A HEFTY THUNDERSTORM OVER WEST
CENTRAL WELD COUNTY IN THE VICINITY OF WINDSOR. BRIEF HEAVY RAIN AND
HAIL ARE POSSIBLE WITH THIS STORM.

A SPOTTER REPORTED 1/2 INCH HAIL WITH SOME ACCUMULATION ON THE
ROADWAY JUST WEST OF WINDSOR AT 735 PM. THIS STORM IS MOVING RAPIDLY
TO THE NORTHEAST AT ABOUT 30 MPH.

ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP OVER EASTERN LARIMER
COUNTY AND WILL PUSH INTO WELD COUNTY THROUGH THE REMAINDER OF THE
EVENING. THESE STORMS WILL DIMINISH TOWARDS MIDNIGHTb.

ENTREKIN
Special weather statement, Aug 6, 9:57 PM MDT, 48 minutes before
COZ036-070430-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
955 PM MDT TUE AUG 6 1996

...THUNDERSTORM IN EXTREME WEST CENTRAL JEFFERSON COUNTY...

AT 948 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM 3 MILES SOUTHWEST OF EVERGREEN...OR ABOUT 23 MILES WEST
OF DENVER.

THE STORM WAS MOVING NORTHEAST AT 30 MILES PER HOUR.

PERSONS IN OR NEAR BERGEN PARK...BROOKVALE...EVERGREEN...KITTREDGE
SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND MOVE TO A PLACE
OF SAFETY IF BAD WEATHER APPROACHES.

DANGEROUS LIGHTNING...SMALL HAIL...BRIEF HEAVY RAIN...AND GUSTY WINDS
WILL OCCUR WITH THIS STORM.

ENTREKIN
Local storm report, Aug 6, 10:15 PM MDT, 30 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DENVER CO
1015 PM MDT TUE AUG 6 1996

...PRELIMINARY STORM REPORT FOR AUGUST 4 1996...

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

740  PM    WINDSOR                    CO   1/2 INCH HAIL
           WELD
840  PM    11 S BENNETT               CO   11/2 INCH HAIL
            WASHINGTON

9029 PM    10 S BENNETT               CO   .75 INCH HAIL 08/04/96
            ARAPAHOE

0920 PM    COPE                      CO   60 MPH WINDS
08/04/96   WASHINGTON

0920 PM    2 S COPE                  CO   60 MPH WINDS
08t/04/96   WASHINGTON

KLEYLA
Local storm report, Aug 6, 10:25 PM MDT, 20 minutes before
LOCAL STORM REPORT....CORR PREV MSG SENT IN ERROR
NATIONAL WEATHER SERVICE DENVER CO
1024  PM MDT TUE AUG 6 1996

...PRELIMINARY STORM REPORT FOR AUGUST 6 1996...

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

740  PM    WINDSOR                    CO   1/2 INCH HAIL
           WELD
840  PM    11 S BENNETT               CO   11/2 INCH HAIL
            WASHINGTON

859  PM     10 S BENNETT              CO   1 INCH HAIL
            ARAPAHOE

929  PM     STRASBURG                 CO   1/4 INCH HAIL
            ADAMS

935  PM     1 WEST BYERS              CO   13/4 INCH HAIL
             ARAPAHOE

RAY

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 8:20 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert30 min
Aug 6, 8:50 PM MDTSevere Thunderstorm WarningBOUArapahoe, Elbert30 min
Aug 6, 9:17 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe28 min
Aug 6, 10:13 PM MDTSevere Thunderstorm WarningBOUElbert32 min
Aug 6, 10:35 PM MDTSevere Thunderstorm WarningBOUElbert, Lincoln30 min
Aug 7, 2:40 PM MDTFlash Flood WarningBOUJefferson116 min
Aug 7, 3:29 PM MDTSevere Thunderstorm WarningBOUDouglas31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.