Alert archive / Wyoming / Tornado Warnings in 2008

Tornado Warning 23, NWS Cheyenne, WY

May 23, 2008Goshen County, Wyoming

NWS Cheyenne, WY issued this tornado warning at May 23, 2008, 6:07 PM MDT for Goshen County, Wyoming. It was in force for 26 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 23, 2008, 6:07 PM MDT (00:07 UTC)
Expired: May 23, 2008, 6:33 PM MDT
In force: 26 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon

County Goshen County, WY

The radar

The Cheyenne radar (KCYS), 103 km from the middle of the area, began a volume at 00:09 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

Time	Report	Where	Remark
May 23, 6:15 PM MDT	FUNNEL CLOUD	1 W Yoder, WY
May 23, 6:15 PM MDT	TORNADO	5 W Yoder, WY	MOBILE HOME HAD ITS ROOF REMOVED BY A TORNADO EARLIER THIS EVENING. TIME WAS ESTIMATED.
May 23, 6:16 PM MDT	TORNADO	5 W Yoder, WY	MOBILE HOME HAD ITS ROOF REMOVED BY A TORNADO EARLIER THIS EVENING. TIME WAS ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 7, 12:52 PM MST	Tornado Watch	SPC	146 days
May 23, 12:41 PM MDT	Tornado Watch	SPC	6 hr
May 23, 6:07 PM MDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.1 hours before the alert went out and 259 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 590 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 209 m²/s²
0-3 km storm-relative helicity: 169 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 
WFUS55 KCYS 240007
TORCYS
WYC015-240045-
/O.NEW.KCYS.TO.W.0023.080524T0007Z-080524T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
607 PM MDT FRI MAY 23 2008

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL GOSHEN COUNTY IN SOUTHEAST WYOMING...

* UNTIL 645 PM MDT

* AT 600 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO 6 MILES
  SOUTHWEST OF YODER...OR 18 MILES SOUTHWEST OF TORRINGTON...MOVING
  NORTH AT 36 MPH.

* THE TORNADO WILL BE NEAR...
  LINGLE BY 630 PM...

MOVE INTO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. ABANDON MOBILE HOMES AND VEHICLES.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
CHEYENNE AT 1-800-269-6220.

LAT...LON 4216 10462 4219 10425 4185 10427 4184 10449
TIME...MOT...LOC 0007Z 171DEG 31KT 4192 10440

$$

SOWKO

2 follow-up statements

000 
WWUS55 KCYS 240014
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
614 PM MDT FRI MAY 23 2008

WYC015-240045-
/O.CON.KCYS.TO.W.0023.000000T0000Z-080524T0045Z/
GOSHEN WY-
614 PM MDT FRI MAY 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MDT FOR CENTRAL
GOSHEN COUNTY...

AT 609 PM MDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO.  THIS
TORNADO WAS LOCATED NEAR VETERAN...OR 15 MILES SOUTHWEST OF
TORRINGTON...MOVING NORTH AT 36 MPH.

THE TORNADO WILL BE NEAR...
  LINGLE BY 630 PM...

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT SATURDAY MORNING FOR
CENTRAL NEBRASKA AND SOUTHEASTERN WYOMING.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
CHEYENNE AT 1-800-269-6220.

LAT...LON 4216 10462 4217 10432 4190 10435 4190 10448
TIME...MOT...LOC 0014Z 171DEG 31KT 4198 10441

$$

SOWKO

000 
WWUS55 KCYS 240033
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
633 PM MDT FRI MAY 23 2008

WYC015-240043-
/O.CAN.KCYS.TO.W.0023.000000T0000Z-080524T0045Z/
GOSHEN WY-
633 PM MDT FRI MAY 23 2008

...THE TORNADO WARNING FOR CENTRAL GOSHEN COUNTY IS CANCELLED...

THE STORM HAS DECREASED IN INTENSITY AND IS NO LONGER SEVERE.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT SATURDAY MORNING FOR
WESTERN NEBRASKA AND SOUTHEASTERN WYOMING.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
CHEYENNE AT 1-800-269-6220.

LAT...LON 4216 10462 4217 10432 4190 10435 4190 10448
TIME...MOT...LOC 0033Z 171DEG 31KT 4214 10444

$$

RUBIN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 6:02 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	58 min
May 23, 7:08 PM MDT	Areal Flood Warning	CYS	Albany, Converse, Goshen, Niobrara, Platte	23 hr
May 24, 10:57 AM MDT	River Flood Warning	CYS	Converse	19 hr

Nearby

Tornado Warnings in Wyoming, 2008 Every tornado warning in 2008 Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.