Severe Thunderstorm Warning 7, NWS Denver/Boulder, CO

Issued

May 28, 1990, 5:50 PM MDT (23:50 UTC)

Expired

May 28, 1990, 6:20 PM MDT

In force

30 min

Issued by

NWS Denver/Boulder, CO

Area

Whole counties

County Boulder County, CO

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

000 
TTAA00 KDEN 282351
SVRDEN
COC013-290020-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
550 PM MDT MON MAY 28 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 620 PM  MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES OF NORTHEAST COLORADO:

     NORTH CENTRAL BOULDER

INCLUDING THE FOLLOWING TOWNS/CITIES:

     LYONS...MEEKER PARK...RAYMOND...PEACEFUL VALLEY

AT 545 PM MDT RADAR INDICATED A SEVERE THUNDERSTORM LOCATED 7 MILES
SOUTHWEST OF LYONS..OR 32 MILES SOUTHWEST OF FT COLLINS.  THE STORM
WAS MOVING TO THE NORTHEAST AT ABOUT 20 MPH.

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

THESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE
WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE
OF SAFETY IF ONE IS SPOTTED.

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

THALER

LAT..LON  4014 10526 4013 10546 4026 10546 4026 10526

In the hours before

COZ011-282340-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
445 PM MDT MON MAY 28 1990

...THUNDERSTORM OVER BOULDER COUNTY...

AT 440 PM MDT MONDAY AFTERNOON DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM OVER THE TOWN OF WARD IN SOUTHWEST BOULDER COUNTY.
THE STORM WAS ABOUT 12 MILES TO THE WEST OF THE CITY OF BOULDER
AND WAS MOVING TO THE NORTH NORTHEAST AT AROUND 30 MPH.

HEAVY RAIN...HAIL AND STRONG GUSTY WINDS ARE LIKELY WITH THIS STORM AS
IT MOVES THROUGH THE VICINITY OF THE TOWNS OF RAYMOND...PEACEFUL VALLEY
...MEEKER PARK AND PINEWOOD SPRINGS BY 530 PM.

PERSONS IN THESE AREAS SHOULD KEEP AN EYE ON THE SKY AND MOVE TO A PLACE
OF SAFETY IF THREATENING WEATHER APPROACHES.

THALER

COZ011-282350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
522 PM MDT MON MAY 28 1990

...THUNDERSTORM OVER BOULDER COUNTY...

AT 515 PM MDT DOPPLER RADAR INDICATED A STRONG THUNDERSTORM CONTINUED
OVER BOULDER COUNTY BETWEEN THE TOWNS OF PEACEFUL VALLEY AND WARD.
THE STORM HAS SLOWED DOWN SOMEWHAT AND WAS MOVING TO THE NORTHEAST.

HAIL UP TO 1/2 INCH IN DIAMETER FELL SOUTH OF PEACEFUL VALLEY AND
WAS COVERING THE ROADS IN THAT AREA.  ABOUT A THIRD OF AN INCH OF RAIN
ALSO FELL.

THIS STORM IS ALSO ROTATING.  ROTATION OF THUNDERSTORMS IS MANY TIMES
A PRECURSOR TO THE DEVELOPMENT OF FUNNEL CLOUDS AND TORNADOES.

PERSONS IN THE TOWNS OF PEACEFUL VALLEY...RAYMOND...MEEKER PARK AND
PINEWOOD SPRINGS SHOULD BE ON THE LOOKOUT FOR SEVERE WEATHER FOR THE
NEXT HOUR OR SO AND SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES.
HEAVY RAIN...HAIL...STRONG GUSTY WINDS AND DEADLY LIGHTNING ARE A GOOD
BET WITH THIS STORM.

/ANOTHER STRONG THUNDERSTORM WAS MOVING INTO EXTREME SOUTHWEST BOULDER
COUNTY AND MAY AFFECT THE AFOREMENTIONED AREAS WITHIN THE NEXT HOUR.

THALER

Severe Thunderstorm Warnings in Colorado, 1990Every severe thunderstorm warning in 1990

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.