Tornado Warning 4, NWS Denver/Boulder, CO

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
520PM MDT THU JUL 13 1989

...ISOLATED THUNDERSTORMS OVER NORTHERN COLORADO...

A FEW SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER NORTHERN COLORADO
LATE THURSDAY AFTERNOON.  AS OF 520PM MDT RADAR INDICATED THE STRONGEST
THUNDERSTORMS WERE OVER NORTHEAST LARIMER COUNTY NORTH OF FORT COLLINS
AND EXTENDING INTO THE NORTHWEST CORNER OF WELD COUNTY.  ANOTHER
ISOLATED THUNDERSTORM WAS NEAR THE LARIMER-BOULDER COUNTY LINE JUST WEST
OF BERTHOUD.

THESE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 15 TO 20 MPH AND WILL
AFFECT MAINLY THE NORTH AND WEST PART OF WELD COUNTY UNTIL ABOUT 630PM
THIS EVENING.  THESE THUNDERSTORMS MAY BE ACCOMPANIED BY BRIEF HEAVY
RAIN SMALL HAIL AND DANGEROUS LIGHTNING.
JLW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
606PM MDT THU JUL 13 1989

...SHOWERS AND THUNDERSTORMS OVER THE SOUTHERN DENVER METRO AREA...

SHOWERS AND THUNDERSTORMS WERE MOVING INTO THE SOUTHERN DENVER METRO
AREA THURSDAY EVENING.  AS OF 605PM MDT DOPPLER RADAR SHOWED MOST OF THE
STORMS OVER CENTRAL AND SOUTHERN JEFFERSON COUNTY FROM ABOUT LAKEWOOD
SOUTHWARD.  THE STRONGEST STORMS WERE OVER SOUTHERN JEFFERSON COUNTY
FROM ABOUT BUFFALO CREEK SOUTHWARD AND EXTENDING INTO WESTERN DOUGLAS
COUNTY.

THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 15 TO 20 MPH AND WILL
AFFECT MAINLY CENTRAL AND SOUTHERN DENVER...CENTRAL AND SOUTHERN
JEFFERSON...WESTERN ARAPAHOE AND DOUGLAS COUNTIES UNTIL AROUND 730 PM
THIS EVENING.  THESE THUNDERSTORMS MAY BE ACCOMPANIED BY BRIEF HEAVY
RAIN SMALL HAIL AND DANGEROUS LIGHTNING.  DOUGLAS COUNTY IN PARTICULAR
MAY EXPERIENCE LOCALLY HEAVY RAINFALL WITH MINOR ROADWAY AND SMALL CREEK
FLOnODING.

PEOPLE SHOULD BE ALERT FOR RAPIDLY CHANGING CONDITIONS AND
SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.
JLW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
715PM MDT THU JUL 13 1989

...STRONG THUNDERSTORMS OVER DOUGLAS COUNTY...

AT 710PM MDT SHOWED A LINE OF THUNDERSTORMS ACROSS THE EASTERN HALF OF
DOUGLAS COUNTY...WESTERN ELBERT COUNTY...AND EXTENDING INTO ARAPAHOE
COUNTY 10 MILES EAST OF DENVER...AND CENTRAL ADAMS COUNTY.

MOVEMENT OF THE THUNDERSTORMS WAS TOWARD THE EAST AT ABOUT 20 MPH...
AND WILL AFFECT PORTIONS OF CENTRAL AND EASTERN ADAMS...CENTRAL AND
EASTERN ARAPAHOE...EASTERN DOUGLAS...AND WESTERN ELBERT COUNTIES UNTIL
AROUND 9PM THIS EVENING.

BRIEF VERY HEAVY RAIN...HAIL...AND STRONG GUSTY WINDS MAY ACCOMPANY THE
THUNDERSTORMS.  IN ADDITION MINOR FLOODING OF ROADWAYS...SMALL CREEKS
AND DRY WASHES IS POSSIBLE.

AT 637PM THE DOUGLAS COUNTY SHERIFF REPORTED THAT SOME TREES WERE
UPROOTED BY STRONG WINDS IN THE SURREY RIDGE AREA NORTH OF CASTLE
ROCK.   A BASKETBALL HOOP ON A METAL POLE WAS ALSO BENT OVER.  THE
OFFICERS INDICATED IT WAS ASSOCIATED WITH STRAIGHT-LINE WINDS AND NOT A
TORNADO.  IN ADDITION HALF-INCH DIAMETER HAIL WAS REPORTED AT BUCKLEY
AIR NATIONAL GUARD.  BRIEF VERY HEAVY RAINS WERE ALSO REPORTED IN THE
CASTLE ROCK AREA...BUT NO AMOUNTS WERE GIVEN NOR ANY REPORTS OF
SIGNIFICANT FLOODING.

PEOPLE SHOULD BE ALERT FOR RAPIDLY CHANGING CONDITIONS AND
SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.
JLW