Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 86, NWS Denver/Boulder, CO

August 3, 1995Logan County, Morgan County, Weld County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Aug 3, 1995, 5:39 PM MDT for Logan County, Morgan County, Weld County, Colorado. It was in force for 36 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1995, 5:39 PM MDT (23:39 UTC)
Expired
Aug 3, 1995, 6:15 PM MDT
In force
36 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Logan County, CO, Morgan County, CO, Weld County, CO

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 85 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 1995-08-03Temperature 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 km15 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 1995-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.19395878Sfc1 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
3685 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
38 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 032339 RRA
SVRDEN
COC075-087-123-040015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
539 PM MDT THU AUG 03 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     SOUTHWESTERN LOGAN...NORTHERN MORGAN AND NORTHEASTERN WELD

INCLUDING THE FOLLOWING LOCATIONS
     ATWOOD...LOGAN CORNERS...MERINO...NEW RAYMER...PAWNEE PASS
     ...STERLING...STONEHAM AND WILLARD

AT 536 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 5 MILES NORTH OF MERINO ...OR ABOUT 10
MILES SOUTHWEST OF STERLING.

OTHER SEVERE THUNDERSTORMS HAD FORMED ALONG A LINE FROM NEAR NEW RAYMER
IN NORTHEASTERN WELD COUNTY...TO AROUND 10 MILES SOUTH OF STERLING IN
SOUTHWESTERN LOGAN COUNTY.

THE STORMS WERE MOVING VERY SLOWLY TOWARD THE NORTHEAST AT ABOUT 10 MPH.

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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHEASTERN
COLORADO UNTIL 900PM MDT.

HOLZINGER

LAT...LON 4050 10301 4043 10403 4068 10385 4067 10299

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, Aug 3, 1:52 PM MDT, 3 hours 47 minutes before
COZ036-040>041-045>046-049-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
152 PM MDT THU AUG 03 1995

...STRONG WIND-PRODUCING THUNDERSTORMS DEVELOPING IN NORTHEAST
COLORADO...

AT 150 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS DEVELOPING OVER JEFFERSON...DENVER...ARAPAHOE...NORTHERN
DOUGLAS...NORTHERN ELBERT...AND NORTHERN LINCOLN COUNTIES.  THE
STRONGEST OF THESE WAS LOCATED 8 MILES NORTH OF AGATE...OR ABOUT 24
MILES NORTHWEST OF LIMON.  THE THUNDERSTORMS WERE MOVING
EAST-NORTHEASTWARD AT 10 TO 15 MPH.

THE MAIN THREAT WITH THE STORMS THIS AFTERNOON WILL BE STRONG GUSTY
OUTFLOW WINDS.  LITTLE RAIN IS EXPECTED BUT WIND SPEEDS AS HIGH AS 50
MPH ARE POSSIBLE IN THE VICINITY OF THE THUNDERSTORMS.

RJK

LAT...LON 3940 10317 3942 10384 3936 10532 3969 10538
          3975 10512 3969 10377 3971 10333
Special weather statement, Aug 3, 2:41 PM MDT, 2 hours 58 minutes before
COZ046-049-032115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
242 PM MDT THU AUG 03 1995

...STRONG THUNDERSTORMS IN THE SOUTHERN WASHINGTON AND NORTHERN LINCOLN
COUNTIES...

AT 240 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS DEVELOPING RAPIDLY IN SOUTHERN WASHINGTON AND NORTHERN
LINCOLN COUNTIES.  THE STRONGEST STORM WAS LOCATED 7 MILES NORTHWEST OF
ARICKAREE SCHOOL...ABOUT 57 MILES SOUTH OF STERLING.

PEOPLE IN ANTON...ARICKAREE SCHOOL...COPE...LAST CHANCE...LINDON...
THURMAN AND WOODLIN SCHOOL CAN EXPECT BRIEF HEAVY RAIN AND OUTFLOW WINDS
AS HIGH AS 40 MPH.  THE STORMS WERE MOVING EASTWARD AT 15 MPH.

RJK

LAT...LON 3961 10284 3960 10318 3936 10323 3939 10369
          3978 10369 4001 10285
Special weather statement, Aug 3, 2:42 PM MDT, 2 hours 57 minutes before
COZ046-049-032115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
242 PM MDT THU AUG 03 1995

...STRONG THUNDERSTORMS IN THE SOUTHERN WASHINGTON AND NORTHERN LINCOLN
COUNTIES...

AT 240 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG
THUNDERSTORMS DEVELOPING RAPIDLY IN SOUTHERN WASHINGTON AND NORTHERN
LINCOLN COUNTIES.  THE STRONGEST STORM WAS LOCATED 7 MILES NORTHWEST OF
ARICKAREE SCHOOL...ABOUT 57 MILES SOUTH OF STERLING.

PEOPLE IN ANTON...ARICKAREE SCHOOL...COPE...LAST CHANCE...LINDON...
THURMAN AND WOODLIN SCHOOL CAN EXPECT BRIEF HEAVY RAIN AND OUTFLOW WINDS
AS HIGH AS 40 MPH.  THE STORMS WERE MOVING EASTWARD AT 15 MPH.

RJK

LAT...LON 3961 10284 3960 10318 3936 10323 3939 10369
          3978 10369 4001 10285
Special weather statement, Aug 3, 5:14 PM MDT, 25 minutes before
COZ042>044-040000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
515 PM MDT THU AUG 03 1995

...THUNDERSTORMS IN WELD AND MORGAN COUNTIES...

AT 505 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDED ACROSS EAST CENTRAL AND NORTHEASTERN WELD
COUNTY...AND ACROSS NORTHWESTERN MORGAN COUNTY.

LOCATIONS IN THIS AREA INCLUDE...BRIGGSDALE...GOODRICH...JACKSON
RESERVOIR...KEOTA...NEW RAYMER...ORCHARD...RIVERSIDE RESERVOIR...
STONEHAM AND WELDONA.

THESE THUNDERSTORMS ARE LIKELY TO PRODUCE HAIL...STRONG WINDS...HEAVY
RAIN...AND FREQUENT LIGHTNING.  THE STORMS WILL BE WATCHED CLOSELY AS
THERE IS THE POTENTIAL FOR SOME OF THEM TO REACH SEVERE LEVELS AND
PRODUCE LARGE HAIL AND DAMAGING WINDS.

IF YOU ARE IN NORTHWESTERN MORGAN...EAST CENTRAL OR NORTHEASTERN WELD
COUNTY...BE ON THE ALERT AND STAY INDOORS IF THUNDERSTORMS ARE IN YOUR
AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR HNORTHEASTERN
COLORADO UNTIL 900PM MDT.

HOLZINGER

LAT...LON 4051 10362 4016 10427 4063 10442 4082 10357
Special weather statement, Aug 3, 5:15 PM MDT, 24 minutes before
COZ042>044-040000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
515 PM MDT THU AUG 03 1995

...THUNDERSTORMS IN WELD AND MORGAN COUNTIES...

AT 505 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDED ACROSS EAST CENTRAL AND NORTHEASTERN WELD
COUNTY...AND ACROSS NORTHWESTERN MORGAN COUNTY.

LOCATIONS IN THIS AREA INCLUDE...BRIGGSDALE...GOODRICH...JACKSON
RESERVOIR...KEOTA...NEW RAYMER...ORCHARD...RIVERSIDE RESERVOIR...
STONEHAM AND WELDONA.

THESE THUNDERSTORMS ARE LIKELY TO PRODUCE HAIL...STRONG WINDS...HEAVY
RAIN...AND FREQUENT LIGHTNING.  THE STORMS WILL BE WATCHED CLOSELY AS
THERE IS THE POTENTIAL FOR SOME OF THEM TO REACH SEVERE LEVELS AND
PRODUCE LARGE HAIL AND DAMAGING WINDS.

IF YOU ARE IN NORTHWESTERN MORGAN...EAST CENTRAL OR NORTHEASTERN WELD
COUNTY...BE ON THE ALERT AND STAY INDOORS IF THUNDERSTORMS ARE IN YOUR
AREA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHEASTERN
COLORADO UNTIL 900PM MDT.

HOLZINGER

LAT...LON 4051 10362 4016 10427 4063 10442 4082 10357

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.