Alert archive / Colorado / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 31, NWS Denver/Boulder, CO

July 31, 1986El Paso County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 31, 1986, 4:15 PM MDT for El Paso 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
Jul 31, 1986, 4:15 PM MDT (22:15 UTC)
Expired
Jul 31, 1986, 5:15 PM MDT
In force
60 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County El Paso 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

TimeReportWhereRemark
Jul 31, 4:20 PM MDTHail 0.75El Paso, 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 text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jul 31, 2:43 PM MDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
240PM MDT THUR JUL 31 1986

...STRONG THUNDERSTORMS DEVELOPING OVER NORTHEASTERN COLORADO....

AT 230PM MDT THIS AFTERNOON RADAR INDICATED A CLUSTER OF STRONG
THUNDERSTORMS 30 MILES SOUTH SOUTHEAST OF STERLING COLORADO OR ABOUT
12 MILES EAST OF ARKON COLORADO. THESE STORMS WERE MOVING TO THE EAST
AT 5 MILES PER HOUR AND COULD PRODUCE LOCALLY HEAVY RAINFALL...STRONG
LIGHTNING AND SURBFACE WINDS. AT THE CURRENT SPEED...THE TOWNS OF YUMA
AND CLARKVILLE IN EASTERN WASHINGTON COUNTY COLORADO WILL BE AFFECTED IN
THE NEXT HOUR.

HECKMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 3:09 PM MDTSevere Thunderstorm WarningBOUYuma66 min
Jul 31, 4:14 PM MDTSevere Thunderstorm WarningBOUDouglas, Elbert61 min
Jul 31, 4:32 PM MDTSevere Thunderstorm WarningBOUYuma58 min

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; verification from NCEI's Storm Data.