Alert archive / Wyoming / Tornado Warnings in 1995

Tornado Warning 2, NWS Cheyenne, WY

May 11, 1995Sheridan County, Wyoming

NWS Cheyenne, WY issued this tornado warning at May 11, 1995, 12:32 PM MDT for Sheridan County, Wyoming. It was in force for 58 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 11, 1995, 12:32 PM MDT (18:32 UTC)
Expired
May 11, 1995, 1:30 PM MDT
In force
58 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sheridan County, WY

What was reported inside it

TimeReportWhereRemark
May 11, 1:30 PM MDTTornado F0Sheridan, WYA short lived tornado touched down four miles east of Parkman, Wyoming. Parkman is 22 miles northwest of Sheridan. No damage was reported. The path length and width of the tornado were estimated.

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

Riverton, WY (KRIW), launched 12:00Z, 6.5 hours before the alert went out and 227 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, Riverton, WY at 12:00Z on 1995-05-11Temperature 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, Riverton, WY at 12:00Z on 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.193958Sfc1 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
1462 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
29 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 KSHR 111832 RRA
TORSHR
WYC033-111930-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHERIDAN WY
1232 PM MDT THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE IN SHERIDAN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  130 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL WYOMING
 
   ...NORTHERN SHERIDAN COUNTY
 
THIS INCLUDES THE CITY OF SHERIDAN AND THE TOWNS OF
DAYTON...RANCHESTER...AND THE SURROUNDING COMMUNITIES.
 
AT 130 PM...THE PUBLIC AND SHERIFFS DEPARTMENT REPORTED
A TONADO 3 TO 4 MILES EAST OF PARKMAN MOVING SE TOWARDS
ACME.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
xIF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
 
WCJIN-WYNE
LOCKHART
&

Nearby

Tornado Warnings in Wyoming, 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.