Alert archive / Colorado / Tornado Warnings in 1987

Tornado Warning 1, NWS Pueblo, CO

June 24, 1987Crowley County, Colorado

NWS Pueblo, CO issued this tornado warning at Jun 24, 1987, 6:15 PM MDT for Crowley County, Colorado. It was in force for 60 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: Jun 24, 1987, 6:15 PM MDT (00:15 UTC)
Expired: Jun 24, 1987, 7:15 PM MDT
In force: 60 min
Issued by: NWS Pueblo, CO
Area: Whole counties

County Crowley County, CO

The radar

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

What was reported inside it

Time	Report	Where	Remark
Jun 24, 7:23 PM MDT	Tornado F1	Crowley, 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, 0.3 hours before the alert went out and 178 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 132 J/kg
Mixed-layer CIN: -180 J/kg
Mixed-layer LCL: 2483 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 153 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 KPUB 250015
TORPUB
COC025-061-011-250110-

BULLETIN...EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
615 PM MDT WED JUN 24 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 715 PM  MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES OF NORTHEAST COLORADO:

     EASTERN CROWLEY

INCLUDING THE FOLLOWING TOWNS/CITIES:

     SUGAR CITY

THE STORM IS LOCATED NORTH OF SUGAR CITY.

AT 612 PM MDT THE POLICE REPORTED FUNNEL CLOUDS NORTHEAST OF
SUGAR CITY.

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 TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN COLORADO
TIL 8PM MDT.

CASEY

Nearby

Tornado Warnings in Colorado, 1987 Every tornado warning in 1987 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.