Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 51, NWS Denver/Boulder, CO

June 17, 1995Larimer County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 17, 1995, 7:05 PM MDT for Larimer County, Colorado. It was in force for 25 min.

The area

The counties it named.

The facts

Issued: Jun 17, 1995, 7:05 PM MDT (01:05 UTC)
Expired: Jun 17, 1995, 7:30 PM MDT
In force: 25 min
Issued by: NWS Denver/Boulder, CO
Area: Whole counties

County Larimer County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.1 hours before the alert went out and 209 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 66 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 1760 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 281 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

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, Jun 17, 3:37 PM MDT, 3 hours 28 minutes before

COZ031-035>036-038>041-043-172230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
338 PM MDT SAT JUN 17 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE FRONT RANGE WEST OF
A FORT MORGAN TO LIMON LINE UNTIL 10 PM MDT.

AT 335 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
SCATTERED THUNDERSTORMS FROM WEST OF FORT COLLINS TO WEST OF COLORADO
SPRINGS MOVING NORTH AT 40 MPH.

THE STRONGEST STORMS WERE LOCATED 35 MILES NORTHWEST OF FORT COLLINS
NEAR VIRGINIA DALE AND 55 MILES SOUTHWEST OF DENVER NEAR LAKE GEORGE.
THESE STORMS WERE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...HAIL AND WIND
GUSTS TO 50 MPH.

IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER DUE TO
DANGEROUS LIGHTNING AND POSSIBLE HIGH WINDS.

KLEYLA

Special weather statement, Jun 17, 3:38 PM MDT, 3 hours 27 minutes before

COZ031-035>036-038>041-043-172230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
338 PM MDT SAT JUN 17 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR THE FRONT RANGE WEST OF
A FORT MORGAN TO LIMON LINE UNTIL 10 PM MDT.

AT 335 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
SCATTERED THUNDERSTORMS FROM WEST OF FORT COLLINS TO WEST OF COLORADO
SPRINGS MOVING NORTH AT 40 MPH.

THE STRONGEST STORMS WERE LOCATED 35 MILES NORTHWEST OF FORT COLLINS
NEAR VIRGINIA DALE AND 55 MILES SOUTHWEST OF DENVER NEAR LAKE GEORGE.
THESE STORMS WERE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...HAIL AND WIND
GUSTS TO 50 MPH.

IF THREATENING WEATHER APPROACHES YOUR AREA TAKE SHELTER DUE TO
DANGEROUS LIGHTNING AND POSSIBLE HIGH WINDS.

KLEYLA

Special weather statement, Jun 17, 4:59 PM MDT, 2 hours 6 minutes before

COZ035>036-039>040-172345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
500 PM MDT SAT JUN 17 1995

AT 454 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 3 MILES SOUTHWEST OF CHATFIELD RESERVOIR...OR
ABOUT 18 MILES SOUTHWEST OF DENVER.  THE STORM WAS MOVING TO THE
NORTH AT 30 TO 35 MPH.

ALL PEOPLE IN THE WESTERN METRO DENVER AREA INCLUDING THE FOOTHILLS
AND THE FOLLOWING LOCATIONS...
     ARVADA...ASPEN PARK...BERGEN PARK...BOULDER...BROOKVALE...
     BROOMFIELD...CHATFIELD RESERVOIR...CHERRY HILLS VILLAGE...
     CONIFER...DENVER...EDGEWATER...ELDORADO SPRINGS...ENGLEWOOD
     ...EVERGREEN...FLOYD HILL...GOLDEN...HIGHLANDS RANCH...
     IDLEDALE...INDIAN HILLS...KITTREDGE...LAFAYETTE...LAKEWOOD
     ...LEYDEN...LITTLETON...LOUISVILLE...LOUVIERS...MARSHALL...
     MORRISON...MOUNTAIN VIEW...NORTHGLENN...PINECLIFFE...
     PLEASANT VIEW...RED ROCKS PARK...ROCKY FLATS...ROXBOROUGH
     TINY TOWN...WAH KEENEY PARK...WESTMINSTER...WHEAT RIDGE AND
     WHITE RANCH OPEN SPACE
SHOULD BE ALERT FOR BRIEF HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING...
SMALL HAIL AND STRONG GUSTY WINDS UNTIL 545 PM MDT THIS AFTERNOON.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH
CENTRAL...SOUTH CENTRAL AND EASTERN COLORADO UNTIL 1000PM MDT THIS
EVENING.

GARD...WSFO DENVER
LAT...LON 3944 10497 3944 10544 4001 10546 4001 10500

Special weather statement, Jun 17, 5:00 PM MDT, 2 hours 5 minutes before

COZ035>036-039>040-172345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
500 PM MDT SAT JUN 17 1995

AT 454 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 3 MILES SOUTHWEST OF CHATFIELD RESERVOIR...OR
ABOUT 18 MILES SOUTHWEST OF DENVER.  THE STORM WAS MOVING TO THE
NORTH AT 30 TO 35 MPH.

ALL PEOPLE IN THE WESTERN METRO DENVER AREA INCLUDING THE FOOTHILLS
AND THE FOLLOWING LOCATIONS...
     ARVADA...ASPEN PARK...BERGEN PARK...BOULDER...BROOKVALE...
     BROOMFIELD...CHATFIELD RESERVOIR...CHERRY HILLS VILLAGE...
     CONIFER...DENVER...EDGEWATER...ELDORADO SPRINGS...ENGLEWOOD
     ...EVERGREEN...FLOYD HILL...GOLDEN...HIGHLANDS RANCH...
     IDLEDALE...INDIAN HILLS...KITTREDGE...LAFAYETTE...LAKEWOOD
     ...LEYDEN...LITTLETON...LOUISVILLE...LOUVIERS...MARSHALL...
     MORRISON...MOUNTAIN VIEW...NORTHGLENN...PINECLIFFE...
     PLEASANT VIEW...RED ROCKS PARK...ROCKY FLATS...ROXBOROUGH
     TINY TOWN...WAH KEENEY PARK...WESTMINSTER...WHEAT RIDGE AND
     WHITE RANCH OPEN SPACE
SHOULD BE ALERT FOR BRIEF HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING...
SMALL HAIL AND STRONG GUSTY WINDS UNTIL 545 PM MDT THIS AFTERNOON.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH
CENTRAL...SOUTH CENTRAL AND EASTERN COLORADO UNTIL 1000PM MDT THIS
EVENING.

GARD...WSFO DENVER
LAT...LON 3944 10497 3944 10544 4001 10546 4001 10500

Special weather statement, Jun 17, 6:43 PM MDT, 22 minutes before

COZ033-035-038>039-180115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
645 PM MDT SAT JUN 17 1995

AT 640 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 4 MILES SOUTHWEST OF BOULDER ...OR ABOUT 24
MILES NORTHWEST OF DENVER.  THE STORM WAS MOVING TO THE NORTH
AT 35 MPH.

ALL PEOPLE IN THE FOLLOWING LOCATIONS...
     ALLENSPARK...BERTHOUD...BOULDER...DRAKE...ERIE...ESTES PARK
     ...GLEN HAVEN...GOLD HILL...JAMESTOWN...LAFAYETTE...
     LONGMONT...LOUISVILLE...LOVELAND...LYONS...MARSHALL...
     MASONVILLE...MEEKER PARK...NEDERLAND...NIWOT...PEACEFUL
     VALLEY...RAYMOND...SUPERIOR AND WARD
SHOULD BE ALERT FOR SMALL HAIL...STRONG AND GUSTY WINDS...BRIEF
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING UNTIL 715 PM MDT THIS
EVENING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH
CENTRAL...SOUTH CENTRAL AND EASTERN COLORADO UNTIL 1000PM MDT.

GARD...WSFO DENVER
LAT...LON 39~95 10507 3992 10551 4053 10564 4055 10506

Special weather statement, Jun 17, 6:45 PM MDT, 20 minutes before

COZ033-035-038>039-180115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
645 PM MDT SAT JUN 17 1995

AT 640 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM 4 MILES SOUTHWEST OF BOULDER ...OR ABOUT 24
MILES NORTHWEST OF DENVER.  THE STORM WAS MOVING TO THE NORTH
AT 35 MPH.

ALL PEOPLE IN THE FOLLOWING LOCATIONS...
     ALLENSPARK...BERTHOUD...BOULDER...DRAKE...ERIE...ESTES PARK
     ...GLEN HAVEN...GOLD HILL...JAMESTOWN...LAFAYETTE...
     LONGMONT...LOUISVILLE...LOVELAND...LYONS...MARSHALL...
     MASONVILLE...MEEKER PARK...NEDERLAND...NIWOT...PEACEFUL
     VALLEY...RAYMOND...SUPERIOR AND WARD
SHOULD BE ALERT FOR SMALL HAIL...STRONG AND GUSTY WINDS...BRIEF
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING UNTIL 715 PM MDT THIS
EVENING.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTH
CENTRAL...SOUTH CENTRAL AND EASTERN COLORADO UNTIL 1000PM MDT.

GARD...WSFO DENVER
LAT...LON 3995 10507 3992 10551 4053 10564 4055 10506

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 7:29 PM MDT	Severe Thunderstorm Warning	BOU	Larimer, Weld	31 min

Nearby

Severe Thunderstorm Warnings in Colorado, 1995 Every severe thunderstorm warning in 1995

Sources

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.