Alert archive / Wyoming / Tornado Warnings in 2016
Tornado Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this tornado warning at Aug 26, 2016, 3:03 PM MDT for Hot Springs County, Wyoming. It was in force for 17 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
- Aug 26, 2016, 3:03 PM MDT (21:03 UTC)
- Expired
- Aug 26, 2016, 3:20 PM MDT
- In force
- 17 min
- Issued by
- NWS Riverton, WY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
County Hot Springs County, WY
The radar
The Riverton/Lander radar (KRIW), 64 km from the middle of the area, began a volume at 21:04 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, 9.1 hours before the alert went out and 62 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
- 28 J/kg
- Mixed-layer CIN
- -158 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
820
WFUS55 KRIW 262103
TORRIW
WYC017-262145-
/O.NEW.KRIW.TO.W.0003.160826T2103Z-160826T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RIVERTON WY
303 PM MDT FRI AUG 26 2016
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A
* TORNADO WARNING FOR...
SOUTH CENTRAL HOT SPRINGS COUNTY IN CENTRAL WYOMING...
* UNTIL 345 PM MDT
* AT 302 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER THERMOPOLIS...MOVING EAST AT 25 MPH.
HAZARD...TORNADO...PING PONG BALL SIZE HAIL...AND 60 MPH WIND
GUSTS.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS DANGEROUS STORM WILL BE NEAR...
EAST THERMOPOLIS AND HOT SPRINGS STATE PARK AROUND 305 PM MDT.
OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE HOT
SPRGS COUNTY THERMOPOLIS AIRPORT...THERMOPOLIS HIGH
SCHOOL...HOTSPRINGS MIDDLE SCHOOL...LEGION TOWN AND COUNTRY GOLF
COURSE...RALPH WITTERS ELEMENTARY SCHOOL...THERMOPOLIS MIDDLE
SCHOOL...HOT SPRINGS COUNTY FAIRGROUNDS...HOT SPRINGS COUNTY
LIBRARY...THERMOPOLIS HOT SPRINGS COUNTY MEMORIAL HOSPITAL AND
CENTRAL WYOMING COLLEGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
&&
LAT...LON 4359 10839 4371 10835 4370 10815 4352 10810
TIME...MOT...LOC 2102Z 267DEG 23KT 4363 10824
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
LIPSON1 follow-up statement
099
WWUS55 KRIW 262120
SVSRIW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
320 PM MDT FRI AUG 26 2016
WYC017-262129-
/O.CAN.KRIW.TO.W.0003.000000T0000Z-160826T2145Z/
HOT SPRINGS-
320 PM MDT FRI AUG 26 2016
...THE TORNADO WARNING FOR SOUTH CENTRAL HOT SPRINGS COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS
WEAKENED. THEREFORE...THE WARNING HAS BEEN CANCELLED.
LAT...LON 4359 10839 4371 10835 4370 10815 4352 10810
TIME...MOT...LOC 2117Z 267DEG 23KT 4364 10809
$$
21The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:06 PM MDT | Special Weather Statement | RIW | Fremont | 24 min |
| Aug 25, 6:15 PM MDT | Special Weather Statement | RIW | 30 min | |
| Aug 25, 7:00 PM MDT | Special Weather Statement | RIW | 45 min | |
| Aug 25, 7:36 PM MDT | Special Weather Statement | RIW | 39 min | |
| Aug 25, 8:15 PM MDT | Special Weather Statement | RIW | 30 min | |
| Aug 25, 8:36 PM MDT | Special Weather Statement | RIW | Natrona | 24 min |
| Aug 25, 9:00 PM MDT | Special Weather Statement | RIW | Natrona | 45 min |
| Aug 26, 1:29 PM MDT | Fire Weather Watch | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 5 more | 12 hr |
| Aug 26, 1:48 PM MDT | Special Weather Statement | RIW | Hot Springs | 27 min |
| Aug 26, 2:23 PM MDT | Special Weather Statement | RIW | Hot Springs | 22 min |
| Aug 26, 2:44 PM MDT | Severe Thunderstorm Warning | RIW | Hot Springs | 46 min |
| Aug 26, 3:05 PM MDT | Tornado Warning | RIW | Hot Springs | 12 min |
| Aug 26, 3:28 PM MDT | Special Weather Statement | RIW | Washakie | 32 min |
| Aug 26, 3:51 PM MDT | Special Weather Statement | RIW | Washakie | 24 min |
| Aug 26, 4:13 PM MDT | Special Weather Statement | RIW | 32 min | |
| Aug 26, 4:39 PM MDT | Special Weather Statement | RIW | Sweetwater | 36 min |
| Aug 26, 4:46 PM MDT | Special Weather Statement | RIW | Natrona | 29 min |
| Aug 26, 4:51 PM MDT | Special Weather Statement | RIW | Johnson | 39 min |
| Aug 26, 5:07 PM MDT | Special Weather Statement | RIW | Natrona | 23 min |
| Aug 26, 5:13 PM MDT | Special Weather Statement | RIW | Natrona | 32 min |
| Aug 26, 5:16 PM MDT | Special Weather Statement | RIW | 29 min | |
| Aug 26, 5:30 PM MDT | Special Weather Statement | RIW | Natrona | 60 min |
| Aug 26, 5:46 PM MDT | Special Weather Statement | RIW | Natrona | 14 min |
Nearby
Tornado Warnings in Wyoming, 2016Every tornado warning in 2016Tornadoes 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.