Alert archive / Colorado / Tornado Warnings in 1995

Tornado Warning 1, NWS Denver/Boulder, CO

May 7, 1995Weld County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at May 7, 1995, 3:39 PM MDT for Weld County, Colorado. It was in force for 19 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
May 7, 1995, 3:39 PM MDT (21:39 UTC)
Expired
May 7, 1995, 3:58 PM MDT
In force
19 min
Issued by
NWS Denver/Boulder, CO
Area
Whole counties

County Weld County, CO

What was reported inside it

TimeReportWhereRemark
May 7, 3:39 PM MDTTornado F0Prospect, COTornado was on the ground for three to four minutes in open country.

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, 9.7 hours before the alert went out and 125 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 1995-05-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1995-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.1939587897117136Sfc1 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
1780 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDEN 072141
TORDEN
COC123-072200-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
339 PM MDT SUN MAY 07 1995

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A TORNADO
WARNING EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHEASTERN COLORADO
     SOUTH CENTRAL WELD

INCLUDING THE FOLLOWING LOCATIONS
     PROSPECT VALLEY...BARNESVILLE...KERSEY...RIVERSIDE RESERVOIR AND
     ROGGEN

AT 339 PM MDT WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH A POSSIBLE TORNADO 5 MILES SOUTHWEST OF
RIVERSIDE RESERVOIR ...OR ABOUT 25 MILES SOUTHEAST OF GREELEY.

AMATEUR RADIO WEATHER SPOTTERS REPORTED A TORNADO 2 MILES NORTHEAST OF 
PROSPECT VALLEY.  THIS TORNADO WAS MOVING NORTH AT 20 MILES AN HOUR
TOWARD ROGGEN.  

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT.  GET
UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE.  IF NO
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET.  USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY
FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER.  IF NO SHELTER IS AVAILABLE...LIE FLAT IN
THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH
YOUR HANDS.

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


LAT...LON 4020 10416 4003 10420 4023 10453 4054 10449
          4054 10418

BARJENBRUCH

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 1:16 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe29 min
May 7, 1:16 PM MDTSevere Thunderstorm WarningBOUWeld29 min
May 7, 2:17 PM MDTSevere Thunderstorm WarningBOUMorgan, Weld43 min
May 7, 2:55 PM MDTSevere Thunderstorm WarningBOUAdams, Arapahoe, Denver50 min
May 7, 4:03 PM MDTSevere Thunderstorm WarningBOUAdams, Morgan42 min

Nearby

Tornado Warnings in Colorado, 1995Every tornado warning in 1995Tornadoes 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.