Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 57, NWS Denver/Boulder, CO

June 22, 1995Douglas County, Elbert County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 22, 1995, 4:40 PM MDT for Douglas County, Elbert County, Colorado. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 4:40 PM MDT (22:40 UTC)
Expired
Jun 22, 1995, 5:15 PM MDT
In force
35 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Douglas County, CO, Elbert County, CO

The radar

The Denver radar (KFTG), 53 km from the middle of the area, began a volume at 22:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Fort Carson/Butt, CO (KFCS), launched 12:00Z, 10.7 hours before the alert went out and 71 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, Fort Carson/Butt, CO at 12:00Z on 1995-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Carson/Butt, CO at 12:00Z on 1995-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 square meters per square second.1939Sfc1 km3 km6 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
2407 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
133 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 222239 RRA
SVRDEN
COC039-035-222315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
440 PM MDT THU JUN 22 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 520 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN EAST CENTRAL COLORADO
     WESTERN ELBERT

IN NORTHEASTERN COLORADO
     DOUGLAS

INCLUDING THE FOLLOWING LOCATIONS
     BEVERLY HILLS...CASTLE ROCK...ELBERT...ELIZABETH...
     FRANKTOWN...GREENLAND...KIOWA...LARKSPUR...PARKER...
     PONDEROSA PARK...SEDALIA...SILVER HEIGHTS...SURREY RIDGE
     AND THE PINERY

AT 435 PM MDT THE PUBLIC REPORTED HAIL ONE AND THREE-QUARTER INCH IN
DIAMETER FOUR MILES EAST OF CASTLE ROCK OR 28 MILES SOUTH OF DENVER. 
MARBLE SIZE HAIL WAS ALSO REPORTED FROM THIS THUNDERSTORM ONE MILE SOUTH
OF PARKER.  

THE STORM WAS MOVING MOVING SLOWLY TO THE EAST AT 5 TO 10 MILES AN
HOUR.  

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL...DAMAGING WINDS OVER 60 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.

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

BAKER

LAT...LON 3916 10445 3914 10498 3951 10497 3955 10438

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 22, 11:00 AM MDT, 5 hours 40 minutes before
COZ015-030>050-230600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1100 AM MDT THU JUN 22 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:  WINDS WILL BE CIRCULATING COUNTER-CLOCKWISE AROUND A LOW
PRESSURE CENTER IN SOUTHEASTERN COLORADO.  THIS PUTS EASTERLY TO
NORTHEASTERLY WINDS OVER NORTHEASTERN COLORADO.  MOISTURE WILL BE AMPLE
FOR AT LEAST SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING.

SOME THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE LARGE HAIL AND STRONG
DAMAGING WINDS.  MOST LIKELY THESE STORMS WILL OCCUR EAST OF THE FRONT
RANGE URBAN CORRIDOR.

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

HOLZINGER
Special weather statement, Jun 22, 11:02 AM MDT, 5 hours 38 minutes before
COZ015-030>050-230600-

SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER CO
1100 AM MDT THU JUN 22 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:  WINDS WILL BE CIRCULATING COUNTER-CLOCKWISE AROUND A LOW
PRESSURE CENTER IN SOUTHEASTERN COLORADO.  THIS PUTS EASTERLY TO
NORTHEASTERLY WINDS OVER NORTHEASTERN COLORADO.  MOISTURE WILL BE AMPLE
FOR AT LEAST SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING.

SOME THUNDERSTORMS COULD BECOME SEVERE AND PRODUCE LARGE HAIL AND STRONG
DAMAGING WINDS.  MOST LIKELY THESE STORMS WILL OCCUR EAST OF THE FRONT
RANGE URBAN CORRIDOR.

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

HOLZINGER
Special weather statement, Jun 22, 3:59 PM MDT, 41 minutes before
COZ034>035-038>039-042>043-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
359 PM MDT THU JUN 22 1995

AT 355 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM ON THE WYOMING/COLORADO STATE LINE 7 MILES NORTH
OF ROCKPORT...OR ABOUT 32 MILES NORTHEAST OF FORT COLLINS.  OTHER
THUNDERSTORMS WERE DEVELOPING IN NORTHWEST WELD COUNTY...AND
EASTERN LARIMER COUNTY.  ALL THE STORMS HAVE BEEN MOVING TO THE
EAST NORTHEAST AT 10 MPH.

THESE STORMS ARE ASSOCIATED WITH A WEAK WEATHER DISTURBANCE IN
THE UPPER ATMOSPHERE.  EXPECT STORMS TO CONTINUE DEVELOPING OVER
THE NORTHERN FRONT RANGE AND MOVING NORTHEAST INTO WELD AND ADAMS
COUNTIES THROUGH 530PM...AND EASTWARD AFTER 530PM.  SOME STORMS THIS
EVENING WILL BECOME SEVERE.

RTG
LAT...LON 3994 10512 3998 10567 4099 10495 4101 10461
Special weather statement, Jun 22, 4:01 PM MDT, 39 minutes before
COZ034>035-038>039-042>043-222300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
359 PM MDT THU JUN 22 1995

AT 355 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A STRONG THUNDERSTORM ON THE WYOMING/COLORADO STATE LINE 7 MILES NORTH
OF ROCKPORT...OR ABOUT 32 MILES NORTHEAST OF FORT COLLINS.  OTHER
THUNDERSTORMS WERE DEVELOPING IN NORTHWEST WELD COUNTY...AND
EASTERN LARIMER COUNTY.  ALL THE STORMS HAVE BEEN MOVING TO THE
EAST NORTHEAST AT 10 MPH.

THESE STORMS ARE ASSOCIATED WITH A WEAK WEATHER DISTURBANCE IN
THE UPPER ATMOSPHERE.  EXPECT STORMS TO CONTINUE DEVELOPING OVER
THE NORTHERN FRONT RANGE AND MOVING NORTHEAST INTO WELD AND ADAMS
COUNTIES THROUGH 530PM...AND EASTWARD AFTER 530PM.  SOME STORMS THIS
EVENING WILL BECOME SEVERE.

RTG
LAT...LON 3994 10512 3998 10567 4099 10495 4101 10461

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 6:12 PM MDTSevere Thunderstorm WarningBOUWashington33 min
Jun 21, 7:04 PM MDTSevere Thunderstorm WarningBOUWashington26 min
Jun 22, 4:50 PM MDTTornado WarningBOUDouglas, Elbert25 min
Jun 22, 4:55 PM MDTSevere Thunderstorm WarningBOUWeld50 min
Jun 22, 5:37 PM MDTSevere Thunderstorm WarningBOUWeld53 min
Jun 22, 5:44 PM MDTSevere Thunderstorm WarningBOUArapahoe, Douglas36 min
Jun 22, 5:44 PM MDTSevere Thunderstorm WarningBOUDenver36 min
Jun 22, 5:54 PM MDTSevere Thunderstorm WarningBOUSedgwick36 min

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; radar from the NEXRAD Level II archive.