Alert archive / Wyoming / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Apr 25, 2016, 5:24 PM MDT for Goshen County, Platte 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 outline as issued.
The facts
- Issued
- Apr 25, 2016, 5:24 PM MDT (23:24 UTC)
- Expired
- Apr 25, 2016, 5:55 PM MDT
- In force
- 31 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Goshen County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 110 km from the middle of the area, began a volume at 23:24 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
Rapid City, SD (KRAP), launched 12:00Z, 11.4 hours before the alert went out and 257 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1074 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
333 WUUS55 KCYS 252324 SVRCYS WYC015-031-260015- /O.NEW.KCYS.SV.W.0002.160425T2324Z-160426T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 524 PM MDT MON APR 25 2016 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL GOSHEN COUNTY IN SOUTHEASTERN WYOMING... EAST CENTRAL PLATTE COUNTY IN SOUTHEASTERN WYOMING... * UNTIL 615 PM MDT * AT 524 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GRAYROCKS RESERVOIR...OR 17 MILES EAST OF WHEATLAND...MOVING NORTHEAST AT 15 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...RADAR INDICATED. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. * LOCATIONS IMPACTED INCLUDE... FORT LARAMIE...GRAYROCKS RESERVOIR AND FORT LARAMIE NATIONAL HISTORIC SITE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM WINDOWS. && LAT...LON 4204 10472 4217 10479 4231 10443 4209 10433 TIME...MOT...LOC 2324Z 245DEG 14KT 4214 10463 HAIL...1.00IN WIND...<50MPH $$ MAZUR
2 follow-up statements
309
WWUS55 KCYS 252341
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
541 PM MDT MON APR 25 2016
WYC031-252351-
/O.CAN.KCYS.SV.W.0002.000000T0000Z-160426T0015Z/
PLATTE WY-
541 PM MDT MON APR 25 2016
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL PLATTE COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4206 10458 4222 10464 4231 10443 4209 10433
TIME...MOT...LOC 2341Z 245DEG 14KT 4217 10455
$$
WYC015-260015-
/O.CON.KCYS.SV.W.0002.000000T0000Z-160426T0015Z/
GOSHEN WY-
541 PM MDT MON APR 25 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR WEST CENTRAL GOSHEN COUNTY...
AT 541 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED OVER FORT LARAMIE
NATIONAL HISTORIC SITE...OR 20 MILES WEST OF TORRINGTON...MOVING
NORTHEAST AT 15 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
LOCATIONS IMPACTED INCLUDE...
FORT LARAMIE AND FORT LARAMIE NATIONAL HISTORIC SITE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4206 10458 4222 10464 4231 10443 4209 10433
TIME...MOT...LOC 2341Z 245DEG 14KT 4217 10455
HAIL...1.00IN
WIND...<50MPH
$$
MAZUR657
WWUS55 KCYS 252355
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
555 PM MDT MON APR 25 2016
WYC015-260005-
/O.CAN.KCYS.SV.W.0002.000000T0000Z-160426T0015Z/
GOSHEN WY-
555 PM MDT MON APR 25 2016
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL GOSHEN COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4206 10458 4222 10464 4231 10443 4209 10433
TIME...MOT...LOC 2352Z 245DEG 14KT 4219 10448
$$
MAZURThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:24 PM MDT | Winter Storm Watch | CYS | Albany, Carbon, Converse, Laramie, Platte | 19 hr |
| Apr 25, 3:30 PM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Laramie, Platte | 29 hr |
| Apr 25, 4:49 PM MDT | Special Weather Statement | CYS | Albany | 26 min |
| Apr 25, 4:58 PM MDT | Special Weather Statement | CYS | Laramie | 32 min |
| Apr 25, 5:14 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 28 min |
| Apr 25, 5:30 PM MDT | Special Weather Statement | CYS | Platte | 30 min |
| Apr 25, 5:34 PM MDT | Special Weather Statement | CYS | Laramie | 26 min |
| Apr 25, 5:52 PM MDT | Special Weather Statement | CYS | Laramie | 23 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 2016Every severe thunderstorm warning in 2016
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.