Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 73, NWS Denver/Boulder, CO

July 2, 1995Adams County, Morgan County, Washington County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 2, 1995, 5:20 PM MDT for Adams County, Morgan County, Washington County, Colorado. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1995, 5:20 PM MDT (23:20 UTC)
Expired
Jul 2, 1995, 6:00 PM MDT
In force
40 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Adams County, CO, Morgan County, CO, Washington County, CO

The radar

The Denver radar (KFTG), 71 km from the middle of the area, began a volume at 23:21 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

Denver, CO (KDNR), launched 12:00Z, 11.3 hours before the alert went out and 51 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 1995-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 joules per kilogram.LCLLFCEL10008507005003002001001 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 1995-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
20 J/kg
Mixed-layer CIN
-192 J/kg
Mixed-layer LCL
1402 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
10 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 022320 RRA
SVRDEN
COC001-087-121-030000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
520 PM MDT SUN JUL 02 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     NORTHEASTERN ADAMS...SOUTHERN MORGAN AND WEST CENTRAL
     WASHINGTON

INCLUDING THE FOLLOWING LOCATIONS
     ADENA...ADENA SCHOOL...GARY...TWELVE-MILE CORNER AND
     WOODROW

AT 519 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 2 MILES NORTHEAST OF ADENA...OR ABOUT 54
MILES NORTH OF LIMON.

THE STORM WAS MOVING TOWARD THE SOUTHEAST AT 25 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 TORNADO WATCH REMAINS IN EFFECT FOR EXTREME EASTERN COLORADO UNTIL
1000PM MDT.  SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING.  PREPARE TO MOVE TO A PLACE OF
SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM IF A TORNADO IS SPOTTED.

HOLZINGER

LAT...LON 3981 10329 3994 10391 4014 10399 4013 10326

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, Jul 2, 1:49 PM MDT, 3 hours 31 minutes before
COZ042-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
150 PM MDT SUN JUL 02 1995

...STRONG THUNDERSTORMS IN NORTHERN WELD COUNTY...

STRONG THUNDERSTORMS HAVE MOVED SOUTHEAST OUT OF WYOMING INTO NORTHERN
WELD COUNTY.  AT 145 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
THE STRONGEST STORM WAS 10 MILES WEST OF GROVER IN NORTHERN WELD COUNTY
MOVING SOUTHEAST AT ABOUT 15 MPH.  SMALL HAIL AND GUSTY WINDS ARE
POSSIBLE WITH THIS STORM.  AN EARLIER STORM DROPPED PEA TO MARBLE SIZE
HAIL NEAR PINE BLUFFS IN EXTREME SOUTHEAST WYOMING.

SZOKE
Special weather statement, Jul 2, 1:50 PM MDT, 3 hours 30 minutes before
COZ042-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
150 PM MDT SUN JUL 02 1995

...STRONG THUNDERSTORMS IN NORTHERN WELD COUNTY...

STRONG THUNDERSTORMS HAVE MOVED SOUTHEAST OUT OF WYOMING INTO NORTHERN
WELD COUNTY.  AT 145 PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
THE STRONGEST STORM WAS 10 MILES WEST OF GROVER IN NORTHERN WELD COUNTY
MOVING SOUTHEAST AT ABOUT 15 MPH.  SMALL HAIL AND GUSTY WINDS ARE
POSSIBLE WITH THIS STORM.  AN EARLIER STORM DROPPED PEA TO MARBLE SIZE
HAIL NEAR PINE BLUFFS IN EXTREME SOUTHEAST WYOMING.

SZOKE

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.