Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 67, NWS Denver/Boulder, CO

June 22, 1995Larimer County, Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 22, 1995, 7:52 PM MDT for Larimer County, Weld County, Colorado. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jun 22, 1995, 7:52 PM MDT (01:52 UTC)
Expired
Jun 22, 1995, 8:45 PM MDT
In force
53 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Larimer County, CO, Weld County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 1.9 hours before the alert went out and 166 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 00:00Z on 1995-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 734 joules per kilogram.LCLLFCEL10008507005003002001001 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, Denver, CO at 00:00Z on 1995-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 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
734 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
2151 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 230155 RRA
SVRDEN
COC069-123-230245-

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

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTH CENTRAL COLORADO
     EASTERN LARIMER

IN NORTHEASTERN COLORADO
     WESTERN WELD

INCLUDING THE FOLLOWING LOCATIONS
     AULT...CARR...EATON...NATURAL FORT REST AREA...NUNN...
     PIERCE...ROCKPORT AND WELLINGTON

AT 752 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 4 MILES EAST OF WELLINGTON ...OR ABOUT 11
MILES NORTHEAST OF FORT COLLINS.  A SECOND SEVERE THUNDERSTORM WAS 
LOCATED 20 MILES NORTH NORTHEAST OF FORT COLLINS.  THESE STORMS 
WERE LIFTING NORTHEAST AT 10 MPH.  

THIS WARNING REPLACES THE WARNING ISSUED EARLIER FOR WELD COUNTY. 

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 NORTH CENTRAL
AND EASTERN COLORADO UNTIL 1100PM MDT.


LAT...LON 4052 10459 4054 10501 4101 10515 4098 10473
RTG

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, 3:59 PM MDT, 3 hours 53 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, 3 hours 51 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, 7:30 PM MDT, 22 minutes before
COZ036-039>041-045>047-230215-

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

...STRONG THUNDERSTORMS CONTINUE TO MOVE OFF THE FRONT RANGE AND
MONUMENT RIDGE...

AT 730 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A WIDE
AREA OF MODERATE TO STRONG THUNDERSTORMS OVER DOUGLAS...DENVER...
ARAPAHOE AND ELBERT COUNTIES.  THE STRONGEST STORMS WERE LOCATED IN
NORTHWEST DOUGLAS COUNTY NEAR CHATFIELD RESERVOIR...5 MILES SOUTH OF
BENNETT IN CENTRAL ARAPAHOE COUNTY...NEAR KIOWA IN WESTERN ELBERT COUNTY
AND OVER KUTCH IN SOUTHERN ELBERT COUNTY.

EXCEPT FOR THE SOUTHERN ELBERT COUNTY STORM...THUNDERSTORMS WERE MOVING
NORTHEAST AT 15 TO 20 MPH.  THE KUTCH STORM WAS MOVING SOUTHEAST AT 10
MPH.

STORMS MAY PRODUCE 1/2 TO 3/4 INCH DIAMETER HAIL...FREQUENT LIGHTNING...
AND BRIEF HEAVY RAINFALL DURING THE NEXT 30 MINUTES.  STORMS IN THIS
AREA PRODUCED 3/4 TO 1 1/2 INCH DIAMETER HAIL AND FUNNEL CLOUDS EARLIER
THIS EVENING.

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

BAKER

LAT...LON 3989 10374 3887 10373 3887 10401 3916 10401
          3920 10539 3998 10509
Special weather statement, Jun 22, 7:34 PM MDT, 18 minutes before
COZ036-039>041-045>047-230215-

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

...STRONG THUNDERSTORMS CONTINUE TO MOVE OFF THE FRONT RANGE AND
MONUMENT RIDGE...

AT 730 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A WIDE
AREA OF MODERATE TO STRONG THUNDERSTORMS OVER DOUGLAS...DENVER...
ARAPAHOE AND ELBERT COUNTIES.  THE STRONGEST STORMS WERE LOCATED IN
NORTHWEST DOUGLAS COUNTY NEAR CHATFIELD RESERVOIR...5 MILES SOUTH OF
BENNETT IN CENTRAL ARAPAHOE COUNTY...NEAR KIOWA IN WESTERN ELBERT COUNTY
AND OVER KUTCH IN SOUTHERN ELBERT COUNTY.

EXCEPT FOR THE SOUTHERN ELBERT COUNTY STORM...THUNDERSTORMS WERE MOVING
NORTHEAST AT 15 TO 20 MPH.  THE KUTCH STORM WAS MOVING SOUTHEAST AT 10
MPH.

STORMS MAY PRODUCE 1/2 TO 3/4 INCH DIAMETER HAIL...FREQUENT LIGHTNING...
AND BRIEF HEAVY RAINFALL DURING THE NEXT 30 MINUTES.  STORMS IN THIS
AREA PRODUCED 3/4 TO 1 1/2 INCH DIAMETER HAIL AND FUNNEL CLOUDS EARLIER
THIS EVENING.

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

BAKER

LAT...LON 3989 10374 3887 10373 3887 10401 3916 10401
          3920 10539 3998 10509

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 6:27 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver33 min
Jun 22, 6:27 PM MDTSevere Thunderstorm WarningBOUWeld38 min
Jun 22, 6:35 PM MDTSevere Thunderstorm WarningBOUSedgwick40 min
Jun 22, 7:17 PM MDTSevere Thunderstorm WarningBOUWeld43 min
Jun 23, 2:56 PM MDTSevere Thunderstorm WarningBOULogan, Washington34 min
Jun 23, 3:26 PM MDTSevere Thunderstorm WarningBOUWashington24 min
Jun 23, 3:47 PM MDTSevere Thunderstorm WarningBOUWashington28 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.