Severe Thunderstorm Warning 40, NWS Denver/Boulder, CO

Issued

Aug 2, 1986, 3:18 PM MDT (21:18 UTC)

Expired

Aug 2, 1986, 4:15 PM MDT

In force

57 min

Issued by

NWS Denver/Boulder, CO

Area

Whole counties

Counties Arapahoe County, CO, Elbert County, CO

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

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.

000 
TTAA00 KDEN 022118
SVRDEN
COC005-039-022215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
318 PM MDT SAT AUG 2 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTHEAST COLORADO...EASTERN ARAPAHOE AND NORTHERN ELBERT

THIS WARNING INCLUDES THE FOLLOWING TOWNS AND CITIES... BYERS..
DEER TRAIL AND AGATE..AND INTERSTATE 70 THROUGH THESE TOWNS.

AT 305PM MDT RADAR SHOWED A SEVERE THUNDERSTORM IN EASTERN ARAPAHOE
COUNTY ABOUT 40 MILES EAST OF DENVER OR OVER THE TOWN OF BYERS.
LARGE HAIL AND STRONG GUSTY WINDS ARE LIKELY WITH THIS STORM.

MOVEMENT WAS TO THE SOUTHEAST AT 30 MILES AN HOUR.

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 A
LOW LYING AREA.

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR HAS BEEN
REPORTED.  TAKE NECESSARY PRECAUTIONS IMMEDIATELY.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORTS TO THE NATIONAL WEATHER SERVICE IN DENVER...OR
CALL YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN DENVER AT
361-0663.  DO NOT CALL THIS NUMBER FOR INFORMATION.

A SEVERE THUNDERSTORM WATCH REMAINS IN AFFECT FOR EASTERN COLORADO
UNTIL 900PM MDT THIS EVENING.

DULONG

In the hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  DENVER CO
1040AM MDT SAT AUG 2 1986

  ...HIGH POTENTIAL FOR HEAVY THUNDERSTORMS IN EASTERN COLORADO...

THERE IS AGAIN A GOOD POSSIBILITY OF STRONG THUNDERSTORMS DEVELOPING
IN EASTERN COLORADO TODAY.  SOME OF THESE STORMS MAY CONTAIN LARGE
HAIL AND HEAVY RAIN BY THIS AFTERNOON.  LOCAL FLOODING OF SMALL
STREAMS STREETS AND OTHER LOW LYING AREAS IS A POSSIBILITY.  SINCE
THE STORMS ARE EXPECTED TO MOVE FAIRLY RAPIDLY HOWEVER...SERIOUS FLASH
FLOODING OVER LARGE AREAS IS NOT A GREAT THREAT.

A VERY MOIST AND UNSTABLE AIR MASS REMAINS IN PLACE OVER THE EASTERN
PLAINS OF COLORADO THIS MORNING.  THIS IN COMBINATION WITH UPSLOPE
FLOW HAS MADE THE POTENTIAL FOR INTENSE STORM DEVELOPMENT RATHER HIGH.
SCATTERED THUNDERSTORMS WILL DEVELOP IN SOME AREAS BY EARLY AFTERNOON
AND THEN MOVE ONTO THE PLAINS WHILE INTENSIFYING.  ALMOST ANY LOCATION
IN EASTERN COLORADO MAY BE THREATENED THIS AFTERNOON.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TV FOR LATER
STATEMENTS OR WARNINGS CONCERNING STORM DEVELOPMENT.
WIESMUELLER

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

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.