Alert archive / Wyoming / Tornado Warnings in 1997

Tornado Warning 32, NWS Cheyenne, WY

August 10, 1997Carbon County, Wyoming

NWS Cheyenne, WY issued this tornado warning at Aug 10, 1997, 3:54 PM MDT for Carbon County, Wyoming. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 10, 1997, 3:54 PM MDT (21:54 UTC)
Expired
Aug 10, 1997, 4:25 PM MDT
In force
31 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Carbon County, WY

The radar

The Cheyenne radar (KCYS), 187 km from the middle of the area, began a volume at 21:57 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

Riverton, WY (KRIW), launched 12:00Z, 9.9 hours before the alert went out and 195 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 1997-08-10Temperature 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 1997-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
852 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
68 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 KCYS 102151 RRA
TORCYS
WYC007-102225-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
354 PM MDT SUN AUG 10 1997

* TORNADO WARNING FOR
  NORTHERN CARBON COUNTY IN SOUTH CENTRAL WYOMING

* UNTIL 425 PM MDT

* SOME AFFECTED LOCATIONS INCLUDE
  RURAL AREAS

* AT 346 PM...A SHERIFFS DEPUTY SPOTTED A TORNADO 6 MILES NORTHEAST OF
  RAWLINS.  MOVEMENT WAS NORTHEAST AT 15 MPH.  THIS STORM WILL CROSS
  SEMINOLE ROAD 351 AROUND 410 PM.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  AVOID
WINDOWS.

&
WCJIN-WYSE
DMM

Nearby

Tornado Warnings in Wyoming, 1997Every tornado warning in 1997Tornadoes in 1997

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.