Alert archive / Colorado / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 41, NWS Denver/Boulder, CO

June 6, 1995Logan County, Phillips County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 6, 1995, 5:27 PM MDT for Logan County, Phillips County, Colorado. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 6, 1995, 5:27 PM MDT (23:27 UTC)
Expired
Jun 6, 1995, 6:30 PM MDT
In force
63 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

Counties Logan County, CO, Phillips County, CO

The radar

The Goodland radar (KGLD), 169 km from the middle of the area, began a volume at 23:27 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.

What was reported inside it

TimeReportWhereRemark
Jun 6, 6:12 PM MDTTornado F0Haxtun, COA brief tornado touched down on open land.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.5 hours before the alert went out and 97 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 1995-06-06Temperature 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 1995-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
2474 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
4 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 062329 RRA
SVRDEN
COC075-095-070030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
527 PM MDT TUE JUN 06 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES

IN NORTHEASTERN COLORADO
     SOUTHEASTERN LOGAN AND PHILLIPS

INCLUDING THE FOLLOWING LOCATIONS
     HAXTUN...HIGHLAND CENTER...HOLYOKE...PAOLI AND WAGES

AT 527 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 13 MILES SOUTH OF HIGHLAND CENTER ...OR
ABOUT 39 MILES SOUTHEAST OF STERLING.

THE STORM WAS MOVING NORTH NORTHEAST 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 6WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.

KLEYLA

LAT...LON 4046 10223 4046 10274 4069 10276 4071 10220

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 6, 4:45 PM MDT, 42 minutes before
COZ033>036-038>046-048>050-090>091-062345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
445 PM MDT TUE JUN 06 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF
NORTHEAST COLORADO...

AT 435 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SCATTERED THUNDERSTORMS ALONG THE FRONT RANGE FROM WEST OF DENVER TO
WEST OF GREELEY.  THE STRONGEST THUNDERSTORMS CAPABLE OF PRODUCING VERY
HEAVY RAIN...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING WERE LOCATED
NEAR LOVELAND AND JUST SOUTHWEST OF FORT COLLINS AND NEAR GREELEY.  THE
THUNDERSTORMS WERE MOVING NORTH TO NORTHEAST AT 30 MPH.

CONDITIONS ACROSS NORTHEAST COLORADO ARE FAVORABLE FOR THE DEVELOPMENT
OF THUNDERSTORMS THIS EVENING WITH SOME STORMS POSSIBLY BECOMING SEVERE.
PEOPLE ACROSS NORTHEAST COLORADO SHOULD BE AWARE OF RAPIDLY CHANGING
WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

KLEYLA
Special weather statement, Jun 6, 4:46 PM MDT, 41 minutes before
COZ033>036-038>046-048>050-090>091-062345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
445 PM MDT TUE JUN 06 1995

...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 10 PM FOR PORTIONS OF
NORTHEAST COLORADO...

AT 435 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SCATTERED THUNDERSTORMS ALONG THE FRONT RANGE FROM WEST OF DENVER TO
WEST OF GREELEY.  THE STRONGEST THUNDERSTORMS CAPABLE OF PRODUCING VERY
HEAVY RAIN...HAIL...STRONG WINDS AND DANGEROUS LIGHTNING WERE LOCATED
NEAR LOVELAND AND JUST SOUTHWEST OF FORT COLLINS AND NEAR GREELEY.  THE
THUNDERSTORMS WERE MOVING NORTH TO NORTHEAST AT 30 MPH.

CONDITIONS ACROSS NORTHEAST COLORADO ARE FAVORABLE FOR THE DEVELOPMENT
OF THUNDERSTORMS THIS EVENING WITH SOME STORMS POSSIBLY BECOMING SEVERE.
PEOPLE ACROSS NORTHEAST COLORADO SHOULD BE AWARE OF RAPIDLY CHANGING
WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF THREATENING
WEATHER APPROACHES.

KLEYLA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 4:53 PM MDTSevere Thunderstorm WarningBOULarimer, Weld52 min
Jun 6, 5:20 PM MDTTornado WarningBOUWeld40 min
Jun 6, 5:37 PM MDTTornado WarningBOUAdams, Jefferson, Weld53 min
Jun 6, 5:37 PM MDTTornado WarningBOUBoulder, Larimer53 min
Jun 6, 5:56 PM MDTTornado WarningBOUMorgan, Weld49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.