Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 72, NWS Denver/Boulder, CO

June 28, 1995Douglas County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 28, 1995, 3:16 PM MDT for Douglas County, Colorado. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1995, 3:16 PM MDT (21:16 UTC)
Expired
Jun 28, 1995, 4:00 PM MDT
In force
44 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Douglas County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 9.3 hours before the alert went out and 158 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-pSkew-T log-p diagram, Denver, CO at 12:00Z on 1995-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1995-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDEN 282119 RRA
SVRDEN
COC035-282200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
316 PM MDT WED JUN 28 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     CENTRAL DOUGLAS

INCLUDING THE FOLLOWING LOCATIONS
     CASTLE ROCK...FRANKTOWN...GREENLAND...LARKSPUR...PERRY PARK
     ...SEDALIA AND SILVER HEIGHTS

AT 316 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF CASTLE ROCK ...OR
ABOUT 29 MILES SOUTH OF DENVER.

LARGE HAIL AND HEAVY RAIN WILL BE LIKELY WITH THIS STORM.
TAKE COVER IMMEDIATELY IF YOU ARE IN ITS VICINITY.

THE STORM WAS NEARLY STATIONARY.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR CENTRAL AND
EASTERN COLORADO UNTIL 900PM MDT...AND A FLASH FLOOD WATCH
IS IN EFFECT FOR DOUGLAS COUNTY UNTIL 900 PM MDT.

DULONG
LAT...LON 3929 10472 3915 10472 3914 10504 3937 10505
          3945 10497 3944 1047D3

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 28, 11:00 AM MDT, 4 hours 16 minutes before
COZ015-030>050-290600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1100 AM MDT WED JUN 28 1995

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS      ARAPAHOE    BOULDER       CLEAR CREEK    DENVER      DOUGLAS
ELBERT     GILPIN      GRAND         JACKSON        JEFFERSON   LAKE
LARIMER    LINCOLN     LOGAN         MORGAN         PARK        PHILLIPS
SEDGWICK   SUMMIT      WASHINGTON    WELD

SYNOPSIS: SEVERE WEATHER AND HEAVY RAIN WILL BOTH BE ITEMS OF CONCERN
THIS AFTERNOON AND EVENING.  A WEAK COLD FRONT MOVED THROUGH NORTHEAST
COLORADO EARLY THIS MORNING.  AS OF 1100 AM...IT WAS DRIFTING SLOWLY
BACK NORTHEASTWARD AND WAS LOCATED ALONG A BOULDER TO BRIGHTON TO
WATKINS LINE.  THIS FEATURE SHOULD BECOME A FOCUS FOR THUNDERSTORM
DEVELOPMENT THIS AFTERNOON.  THE AMOUNT OF MOISTURE IN THE ATMOSPHERE
IS WELL ABOVE NORMAL.

THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID-AFTERNOON ALONG THE
SOUTHERN FRONT RANGE AND PALMER DIVIDE EASTWARD TO THE LIMON AREA.
THIS ACTIVITY SHOULD BECOME WIDESPREAD AND DEVELOP TOWARDS THE
NORTHEAST BORDER BY EVENING.

THERE IS A GOOD CHANCE THAT SOME OF THE STORMS WILL PRODUCE LARGE HAIL
...HEAVY RAIN...AND INTENSE LIGHTNING.  SPOTTERS WILL LIKELY BE NEEDED.

DULONG
Special weather statement, Jun 28, 11:03 AM MDT, 4 hours 13 minutes before
COZ015-030>050-290600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1100 AM MDT WED JUN 28 1995

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS      ARAPAHOE    BOULDER       CLEAR CREEK    DENVER      DOUGLAS
ELBERT     GILPIN      GRAND         JACKSON        JEFFERSON   LAKE
LARIMER    LINCOLN     LOGAN         MORGAN         PARK        PHILLIPS
SEDGWICK   SUMMIT      WASHINGTON    WELD

SYNOPSIS: SEVERE WEATHER AND HEAVY RAIN WILL BOTH BE ITEMS OF CONCERN
THIS AFTERNOON AND EVENING.  A WEAK COLD FRONT MOVED THROUGH NORTHEAST
COLORADO EARLY THIS MORNING.  AS OF 1100 AM...IT WAS DRIFTING SLOWLY
BACK NORTHEASTWARD AND WAS LOCATED ALONG A BOULDER TO BRIGHTON TO
WATKINS LINE.  THIS FEATURE SHOULD BECOME A FOCUS FOR THUNDERSTORM
DEVELOPMENT THIS AFTERNOON.  THE AMOUNT OF MOISTURE IN THE ATMOSPHERE
IS WELL ABOVE NORMAL.

THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID-AFTERNOON ALONG THE
SOUTHERN FRONT RANGE AND PALMER DIVIDE EASTWARD TO THE LIMON AREA.
THIS ACTIVITY SHOULD BECOME WIDESPREAD AND DEVELOP TOWARDS THE
NORTHEAST BORDER BY EVENING.

THERE IS A GOOD CHANCE THAT SOME OF THE STORMS WILL PRODUCjE LARGE HAIL
...HEAVY RAIN...AND INTENSE LIGHTNING.  SPOTTERS WILL LIKELY BE NEEDED.

DULONG
Special weather statement, Jun 28, 1:50 PM MDT, 1 hour 26 minutes before
COZ036-041-282015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
150 PM MDT WED JUN 28 1995

AT 150 PM MDT...A STRONG THUNDERSTORMS HAD DEVELOPED RAPIDLY NEAR
THE TOWN OF WESTCREEK IN THE FOOTHILLS OF DOUGLAS COUNTY.  THIS STORM
MAY PRODUCE SMALL HAIL AND LOCALLY HEAVY RAIN AS IT MOVES EASTWARD
ABOUT 10 MPH.

THIS STORM SHOULD MOVE EASTWARD ACROSS THE RAMPART RANGE AND HELP TO
TRIGGER OTHER STRONG STORMS IN THE AREA BY 230 PM.

DULONG
Special weather statement, Jun 28, 1:51 PM MDT, 1 hour 25 minutes before
COZ036-041-282015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
150 PM MDT WED JUN 28 1995

AT 150 PM MDT...A STRONG THUNDERSTORMS HAD DEVELOPED RAPIDLY NEAR
THE TOWN OF WESTCREEK IN THE FOOTHILLS OF DOUGLAS COUNTY.  THIS STORM
MAY PRODUCE SMALL HAIL AND LOCALLY HEAVY RAIN AS IT MOVES EASTWARD
ABOUT 10 MPH.

THIS STORM SHOULD MOVE EASTWARD ACROSS THE RAMPART RANGE AND HELP TO
TRIGGER OTHER STRONG STORMS IN THE AREA BY 230 PM.
(
DULONG
Special weather statement, Jun 28, 2:00 PM MDT, 1 hour 16 minutes before
COZ015-030>050-290600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
200 PM MDT WED JUN 28 1995

...UPDATED OUTLOOK...

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS      ARAPAHOE    BOULDER       CLEAR CREEK    DENVER      DOUGLAS
ELBERT     GILPIN      GRAND         JACKSON        JEFFERSON   LAKE
LARIMER    LINCOLN     LOGAN         MORGAN         PARK        PHILLIPS
SEDGWICK   SUMMIT      WASHINGTON    WELD

SYNOPSIS: HEAVY RAIN AND SEVERE WEATHER WILL REMAIN A THREAT FOR THIS
AFTERNOON AND EVENING.  A WEAK COLD FRONT HAS BECOME NEARLY STATIONARY
ALONG THE NORTHEAST FOOTHILLS AND EASTWARD ACROSS DOUGLAS AND ELBERT
COUNTIES.

AS OF 200 PM...STRONG THUNDERSTORMS HAD DEVELOPED OVER PORTIONS OF
DOUGLAS COUNTY.  THIS ACTIVITY SHOULD SPREAD EASTWARD ALONG THE FRONT
AND DEVELOP SLOWLY NORTHEASTWARD INTO PORTIONS OF CENTRAL AND WESTERN
ADAMS COUNTY BY LATE AFTERNOON.

FOR THE REMAINDER OF THE AREA...STORMS SHOULD GRADUALLY MAKE THEIR WAY
OFF THE FOOTHILLS ONTO THE URBAN CORRIDOR BY 600 PM.  THE LOWER
NORTHEAST PLAINS WILL LIKELY NOT SEE ANY SIGNIFICANT THUNDERSTORM
DEVELOPMENT UNTIL AROUND SUNSET.

THE SPOTTER NETWORK HAS BEEN ACTIVATED.  FLASH FLOODING WILL BE POSSIBLE
FROM HEAVY RAIN.  HAIL AN INCH OR MORE IN DIAMETER MAY OCCUR.

DULONG
Special weather statement, Jun 28, 2:07 PM MDT, 1 hour 9 minutes before
COZ015-030>050-290600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
200 PM MDT WED JUN 28 1995

...UPDATED OUTLOOK...

THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES

ADAMS      ARAPAHOE    BOULDER       CLEAR CREEK    DENVER      DOUGLAS
ELBERT     GILPIN      GRAND         JACKSON        JEFFERSON   LAKE
LARIMER    LINCOLN     LOGAN         MORGAN         PARK        PHILLIPS
SEDGWICK   SUMMIT      WASHINGTON    WELD

SYNOPSIS: HEAVY RAIN AND SEVERE WEATHER WILL REMAIN A THREAT FOR THIS
AFTERNOON AND EVENING.  A WEAK COLD FRONT HAS BECOME NEARLY STATIONARY
ALONG THE NORTHEAST FOOTHILLS AND EASTWARD ACROSS DOUGLAS AND ELBERT
COUNTIES.

AS OF 200 PM...STRONG THUNDERSTORMS HAD DEVELOPED OVER PORTIONS OF
DOUGLAS COUNTY.  THIS ACTIVITY SHOULD SPREAD EASTWARD ALONG THE FRONT
AND DEVELOP SLOWLY NORTHEASTWARD INTO PORTIONS OF CENTRAL AND WESTERN
ADAMS COUNTY BY LATE AFTERNOON.

FOR THE REMAINDER OF THE AREA...STORMS SHOULD GRADUALLY MAKE THEIR WAY
OFF THE FOOTHILLS ONTO THE URBAN CORRIDOR BY 600 PM.  THE LOWER
NORTHEAST PLAINS WILL LIKELY NOT SEE ANY SIGNIFICANT THUNDERSTORM
DEVELOPMENT UNTIL AROUND SUNSET.
N
THE SPOTTER NETWORK HAS BEEN ACTIVATED.  FLASH FLOODING WILL BE POSSIBLE
FROM HEAVY RAIN.  HAIL AN INCH OR MORE IN DIAMETER MAY OCCUR.

DULONG

Nearby

Severe Thunderstorm Warnings in Colorado, 1995Every 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.