Severe Thunderstorm Warning 29, NWS Denver/Boulder, CO

Issued

Jul 9, 1990, 2:05 PM MDT (20:05 UTC)

Expired

Jul 9, 1990, 2:50 PM MDT

In force

45 min

Issued by

NWS Denver/Boulder, CO

Area

Whole counties

County Douglas County, CO

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

000 
TTAA00 KDEN 092007
SVRDEN
COC035-092050-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
205 PM MDT MON JUL 09 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 250 PM  MDT FOR PEOPLE IN THE
FOLLOWING COUNTIES OF EAST CENTRAL COLORADO:

     CENTRAL AND EASTERN DOUGLAS

INCLUDING THE FOLLOWING TOWNS/CITIES:

     CASTLE ROCK...FRANKTOWN..AND LARKSPUR

THE STORM WAS LOCATED 10 MILES WEST OF CASTLE ROCK WHICH IS
ABOUT 30 MILES SOUTH OF DENVER.  THE STORM WAS MOVING EAST 
AT 20 MPH.  STRONG WINDS...LARGE HAIL...LOCALLY HEAVY RAIN...
AND FREQUENT LIGHTNING ARE LIKELY WITH THIS STORM.

AT THE CURRENT RATE OF MOVEMENT...THE STORM WILL MOVE ACROSS 
CASTLE ROCK BEFORE 230 PM MDT TODAY.  

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.

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

RTG
LAT..LON  3920 10472 3919 10509 3939 10514 3943 10474

In the hours before

COZ011-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
115 PM MDT MON JUL 9 1990

...THUNDERSTORMS OVER FOOTHILLS WEST OF DENVER...

THUNDERSTORMS HAVE DEVELOPED OVER THE FOOTHILLS WEST OF DENVER
IN JEFFERSON COUNTY.  THESE STORMS ARE MOVING TO THE EAST AT
10 TO 15 MPH AND WILL BE MOVING OVER MOST OF THE WESTERN SUBURBS
OF THE DENVER METRO AREA BEFORE 300 PM MDT THIS AFTERNOON.

ALL PERSONS IN ARVADA...LAKEWOOD...GOLDEN...LITTLETON...ENGLEWOOD...
WESTMINSTER AND WEST DENVER SHOULD BE ALERT FOR DANGEROUS
LIGHTNING...SMALL HAIL AND STRONG GUSTY WINDS FROM THESE STORMS UNTIL
300 PM MDT.

HEAVY RAIN...UP TO 11/2 INCHES AN HOUR...MAY CAUSE SOME FLOODING OF
STREETS...HIGHWAYS...UNDERPASSES...SMALL STREAMS AND LOW LYING OR FLOOD
PRONE AREAS.  THIS INCLUDES LENA GULCH JUST EAST OF GOLDEN.   SHOULD
FLOODING OCCUR IN YOUR AREA MOVE TO HIGH GROUND.

GARD...WSFO DENVER

COZ011-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
145 PM MDT MON JUL 9 1990

...STRONG THUNDERSTORM MOVING TO THE SOUTH OF THE METRO AREA...

AT 135PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG
THUNDERSTORM JUST SOUTH OF THE TOWN OF SOUTH PLATTE...OR 30
MILES SOUTH SOUTHWEST OF DENVER.  THIS STORM WAS MOVING TO THE EAST
AT 15 MPH.  IT WILL LIKELY CONTAIN VERY HEAVY RAIN...SOME HAIL...
AND FREQUENT LIGHTNING.

AT THE CURRENT RATE AND SPEED OF MOVEMENT...THE STORM WILL LIKELY
CROSS INTERSTATE 25 SOMEWHERE NEAR CASTLE ROCK AROUND 230 THIS
AFTERNOON.  RESIDENTS OF DOUGLAS COUNTY SHOULD BE MONITOR THIS
STORM CLOSELY...HEAD FOR COVER IF THREATENED BY" SEVERE WEATHER...
AND REPORT ANY SEVERE WEATHER TO YOUR COUNTY SHERRIFF.
RTG

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.