Alert archive / Colorado / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 113, NWS Goodland, KS

August 31, 1986Lincoln County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 31, 1986, 6:44 PM MDT for Lincoln County, Colorado. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Aug 31, 1986, 6:44 PM MDT (00:44 UTC)
Expired
Aug 31, 1986, 7:45 PM MDT
In force
61 min
Issued by
NWS Goodland, KS
Area
Whole counties

County 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 00:00Z, 0.7 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 1986-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 1986-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
24 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
2358 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
30 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 KCOS 010042
SVRCOS
COC063-073-010145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLORADO SPRINGS CO
644 PM MDT SUN AUG 31 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

EAST CENTRAL COLORADO...LINCOLN  INCLUDING THE TOWNS OF HUGO..BOYERO..
PUMKIN CENTER AND KARVAL.   BRIEF HEAVY RAIN..SMALL HAIL AND STRONG
GUSTY WINDS ALONG WITH STRONG LIGHTNING HAVE BEEN REPORTED IN THIS
AREA. SOME FLOODING IS POSSIBLE ALONG HIGHWAY 71 BETWEEN PUMKIN CENTER
AND ORDWAY DUE TO HEAVY RAIN IN THIS AREA.

IF SEVERE WEATHER APPROACHES YOUR AREA..GO TO A STURDY SHELTER AWAY
FROM CREEK BEDS AND OTHER LOW AREAS PRONE TO FLOODING.  REMEMBER...
A SEVERE THUNDERSTORM CAN PRODUCE LARGE HAIL...DAMAGING WINDS OF OVER
60 MPH...DEADLY LIGHTNING...AND HEAVY RAINS THAT CAN QUICKLY FLOOD
LOW LYING AREAS.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.

THIS SLOW MOVING STORM MAY CAUSE FLOODING OF SMALL STREAMS..UNDER-
PASSES AND OTHER LOW LYING AREAS.
STAY TUNED TO LOCAL RADIO OR TV STATIONS FOR AD`DITIONAL WARNINGS
OR STATEMENTS THAT MAY BE REQUIRED

HAVILL

Nearby

Severe Thunderstorm Warnings in Colorado, 1986Every severe thunderstorm warning in 1986

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.