Alert archive / Colorado / Tornado Warnings in 1987

Tornado Warning 5, NWS Goodland, KS

June 28, 1987Elbert County, Lincoln County, Colorado

NWS Goodland, KS issued this tornado warning at Jun 28, 1987, 4:47 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1987, 4:47 PM MDT (22:47 UTC)
Expired
Jun 28, 1987, 5:05 PM MDT
In force
18 min
Issued by
NWS Goodland, KS
Area
Whole counties

Counties Elbert County, CO, Lincoln County, CO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.8 hours before the alert went out and 96 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 1987-06-28Temperature 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 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 12:00Z on 1987-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.193958Sfc1 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
2946 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
48 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 282249
TORDEN
COC121-005-039-073-282305-
 
BULLETIN...EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
447 PM MDT SUN JUN 28 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 505 PM  MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF NORTHEAST COLORADO:
 
     SOUTHWESTERN WASHINGTON
     SOUTHEASTERN ARAPAHOE
     NORTHEASTERN ELBERT
     NORTHERN LINCOLN
 
INCLUDING THE FOLLOWING TOWNS/CITIES:
 
     AGATE
 
THE STORM IS LOCATED 24 MILES NORTH OF LIMON.
 
AT445PM A TORNADO WAS REPORTED BY PERSONS JUST NORTH OF LIMON
 
IN HOMES GO TO THE BASEMENT OR INTO A CLOSET OR BATHROOM.
IN SCHOOLS..HIGH RISES AND HOSPITALS GO TO AN INTERIOR
HALLWAY ON THE LOWEST FLOOR.  IF IN MOBILE HOMES OR VEHICLES..
EVACUATE THEM AND GO TO A SUBSTANTIAL SHELTER.  IF NO SHELTER
IS AVAILABLE..LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT.
IN ALL CASES..STAY AWAY FROM WINDOWS..DOORS AND OUTSIDE WALLS.
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR 
 
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE
IN DENVER..OR CALL YOUR REPORT TO THE NATIONAL WEATHER SERVICE
AT 361-0663.  DO NOT CALL THIS NUMBER FOR INFORMATION.
 
DUNN
 
LAT..LON  3965 10381 3967 10356 3950 10311 3930 10387

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 5:06 PM MDTSevere Thunderstorm WarningGLDElbert, Lincoln59 min
Jun 28, 5:06 PM MDTSevere Thunderstorm WarningGLDKit Carson59 min

Nearby

Tornado Warnings in Colorado, 1987Every tornado warning in 1987Tornadoes in 1987

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.