966
NWUS55 KRIW 080254
LSRRIW
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
854 PM MDT MON SEP 7 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0715 PM TSTM WND DMG 1 N SMOOT 42.63N 110.92W
08/28/2026 LINCOLN WY EMERGENCY MANAGER
DELAYED REPORT: SEVERAL ADDITIONAL PICTURES
AND VIDEOS SENT SHOWING DAMAGE TO TREES,
SIDING, AND SMALL OUTBUILDINGS AND TRAILERS
CONSISTENT WITH 60 TO 70 MPH SEVERE
THUNDERSTORM OUTFLOW WINDS (MICROBURST AND
OR STORM-GENERATED STRAIGHT-LINE WINDS).
WIND-DRIVEN HAIL UP TO QUARTER-SIZED WAS
REPORTED, AND CONTRIBUTED TO DEFOLIATION OF
SOME TREES AND SIDING DAMAGE ON SEVERAL
STRUCTURES. DAMAGE OCCURRED PRIMARILY IN THE
OSMOND, WY TO SMOOT, WY AREA, CONSISTENT
WITH TYPICAL SEVERE STORM OUTFLOW. NO
EVIDENCE OF TORNADIC WINDS SEEN FROM DAMAGE
SURVEY DOCUMENTATION, DESPITE BROAD (NOT
GATE-TO-GATE) MESOCYCLONE-SCALE ROTATION
SEEN IN RADAR IMAGERY WELL ABOVE THE
SURFACE, AT ROUGHLY 8000 TO 9000 FT AGL.
LV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page