Alert archive / Wyoming / Tornado Warnings in 2008

Tornado Warning 8, NWS Cheyenne, WY

May 22, 2008Albany County, Wyoming

NWS Cheyenne, WY issued this tornado warning at May 22, 2008, 2:07 PM MDT for Albany County, Wyoming. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 22, 2008, 2:07 PM MDT (20:07 UTC)
Expired: May 22, 2008, 2:30 PM MDT
In force: 23 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon

County Albany County, WY

The radar

The Cheyenne radar (KCYS), 59 km from the middle of the area, began a volume at 20:08 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

Denver, CO (KDNR), launched 12:00Z, 8.1 hours before the alert went out and 240 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: 392 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 1287 m above ground
0-6 km bulk shear: 73 kt
0-1 km storm-relative helicity: -103 m²/s²
0-3 km storm-relative helicity: 102 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -1.2

Open this sounding in Storm Lab

The text

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

000 
WFUS55 KCYS 222007
TORCYS
WYC001-222030-
/O.NEW.KCYS.TO.W.0008.080522T2007Z-080522T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
207 PM MDT THU MAY 22 2008

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ALBANY COUNTY IN SOUTHEAST WYOMING...
  THIS INCLUDES THE CITY OF LARAMIE...

* UNTIL 230 PM MDT

* AT 204 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PUMPKIN
  VINE...OR 23 MILES SOUTHEAST OF LARAMIE...MOVING NORTHWEST AT 40
  MPH.

* THE TORNADO WILL BE NEAR...
  TIE SIDING AND VEDAUWOO BY 215 PM...
  LARAMIE BY 230 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 4101 10557 4138 10582 4148 10555 4105 10527
      4100 10529
TIME...MOT...LOC 2007Z 151DEG 40KT 4104 10542

$$

KMD

2 follow-up statements

000 
WWUS55 KCYS 222019
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
219 PM MDT THU MAY 22 2008

WYC001-222030-
/O.CON.KCYS.TO.W.0008.000000T0000Z-080522T2030Z/
ALBANY WY-
219 PM MDT THU MAY 22 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM MDT FOR
SOUTHEASTERN ALBANY COUNTY...

AT 217 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS TORNADO WAS
LOCATED NEAR TIE SIDING...OR 13 MILES SOUTH OF LARAMIE...MOVING
NORTHWEST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  LARAMIE AND I-80 MM 316 BY 230 PM...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM THURSDAY EVENING FOR
CENTRAL NEBRASKA AND SOUTHEAST WYOMING.

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

LAT...LON 4101 10557 4138 10582 4148 10555 4105 10527
      4100 10529
TIME...MOT...LOC 2019Z 151DEG 40KT 4116 10551

$$
KMD

000 
WWUS55 KCYS 222032
SVSCYS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
231 PM MDT THU MAY 22 2008

WYC001-222041-
/O.EXP.KCYS.TO.W.0008.000000T0000Z-080522T2030Z/
ALBANY WY-
231 PM MDT THU MAY 22 2008

...THE TORNADO WARNING FOR SOUTHEASTERN ALBANY COUNTY HAS EXPIRED...

THE TORNADO WARNING THAT WAS IN EFFECT FOR SOUTHEAST LARAMIE COUNTY 
HAS EXPIRED.  HOWEVER...A NEW TORNADO WARNING HAS BEEN ISSUED FOR 
SOUTHEAST ALBANY COUNTY...INCLUDING THE CITY OF LARAMIE...WHICH 
REMAINS IN EFFECT UNTIL 300 PM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM THURSDAY EVENING FOR
CENTRAL NEBRASKA AND SOUTHEAST WYOMING.

A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM
THURSDAY EVENING FOR CENTRAL NEBRASKA AND SOUTHEAST WYOMING.

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

LAT...LON 4101 10557 4138 10582 4148 10555 4105 10527
      4100 10529
TIME...MOT...LOC 2019Z 151DEG 40KT 4116 10551

$$
KMD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 21, 6:10 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	50 min
May 21, 6:20 PM MDT	Areal Flood Advisory	CYS	Albany, Converse	96 min
May 21, 7:02 PM MDT	Severe Thunderstorm Warning	CYS	Platte	43 min
May 21, 8:28 PM MDT	Areal Flood Advisory	CYS	Platte	90 min
May 22, 7:58 AM MDT	Dense Fog Advisory	CYS		2 hr
May 22, 9:15 AM MDT	Areal Flood Advisory	CYS	Platte	4 hr
May 22, 10:18 AM MDT	Dense Fog Advisory	CYS		102 min
May 22, 12:31 PM MDT	Flash Flood Watch	CYS	Weston	11 hr
May 22, 12:58 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Laramie	47 min
May 22, 1:14 PM MDT	Tornado Warning	CYS	Albany	31 min
May 22, 1:44 PM MDT	Tornado Warning	CYS	Albany	31 min
May 22, 2:14 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	31 min
May 22, 2:15 PM MDT	Tornado Warning	CYS	Albany, Carbon	30 min
May 22, 2:26 PM MDT	Flash Flood Warning	CYS	Albany	4 hr
May 22, 2:29 PM MDT	Tornado Warning	CYS	Albany	31 min
May 22, 3:11 PM MDT	Tornado Warning	CYS	Albany, Laramie	34 min
May 22, 3:27 PM MDT	Tornado Warning	CYS	Laramie	33 min
May 22, 4:00 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	45 min
May 22, 5:00 PM MDT	Areal Flood Advisory	CYS	Laramie	2 hr
May 22, 5:15 PM MDT	Flash Flood Warning	CYS	Platte	6 hr
May 22, 5:16 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	44 min
May 22, 5:32 PM MDT	Flash Flood Warning	CYS	Platte	66 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.