Alert archive / Wyoming / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 13, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Apr 19, 2005, 9:54 PM MDT for Albany County, Laramie County, Wyoming. It was in force for 51 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
- Apr 19, 2005, 9:54 PM MDT (03:54 UTC)
- Expired
- Apr 19, 2005, 10:45 PM MDT
- In force
- 51 min
- Issued by
- NWS Cheyenne, WY
- Area
- Counties, with a storm outline in the text
Counties Albany County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 41 km from the middle of the area, began a volume at 03:56 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 00:00Z, 3.9 hours before the alert went out and 226 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.
- Mixed-layer CAPE
- 1105 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1405 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 281 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KCYS 200354 SVRCYS WYC001-021-200445- /O.NEW.KCYS.SV.W.0013.050420T0354Z-050420T0445Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 954 PM MDT TUE APR 19 2005 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN ALBANY COUNTY IN SOUTHEAST WYOMING SOUTHWESTERN LARAMIE COUNTY IN SOUTHEAST WYOMING * UNTIL 1045 PM MDT * AT 951 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR BUFORD...OR ABOUT 21 MILES SOUTHEAST OF LARAMIE...AND MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CRYSTAL LAKE RESERVOIR BY 1005 PM MDT GRANITE SPRINGS RESERVOIR BY 1010 PM MDT FEDERAL BY 1025 PM MDT LAT...LON 4105 10548 4097 10527 4130 10500 4140 10527 $$
2 follow-up statements
000 WWUS55 KCYS 200415 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1013 PM MDT TUE APR 19 2005 WYC001-021-200445- /O.CON.KCYS.SV.W.0013.000000T0000Z-050420T0445Z/ ALBANY WY-LARAMIE WY- 1013 PM MDT TUE APR 19 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1045 PM MDT FOR SOUTHWESTERN LARAMIE AND SOUTHEASTERN ALBANY COUNTIES... AT 1010 PM MDT...A SEVERE THUNDERSTOM WAS 5 MILES NORTH OF BUFORD...MOVING NORTH AT 30 MILES AN HOUR. A TRAINED SPOTTER NEAR BUFORD REPORTED NICKEL SIZED HAIL WITH THIS STORM AT 1002 PM. THE SEVERE THUNDERSTORM WILL BE NEAR... HORSE CREEK BY 1040 PM MDT LAT...LON 4105 10548 4097 10527 4130 10500 4140 10527 $$
000 WWUS55 KCYS 200443 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1042 PM MDT TUE APR 19 2005 WYC001-021-200452- /O.EXP.KCYS.SV.W.0013.000000T0000Z-050420T0445Z/ ALBANY WY-LARAMIE WY- 1042 PM MDT TUE APR 19 2005 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LARAMIE AND SOUTHEASTERN ALBANY COUNTIES EXPIRES AT 1045 PM MDT... THE STORM THAT PROMPTED THE WARNING HAS WEAKENED AND NO FURTHER SEVERE WEATHER IS EXPECTED FROM THIS STORM. THEREFOR THE WARNING HAS BEEN ALLOWED TO EXPIRE. LAT...LON 4105 10548 4097 10527 4130 10500 4140 10527 $$
Nearby
Severe Thunderstorm Warnings in Wyoming, 2005Every severe thunderstorm warning in 2005
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.