655
NWUS55 KTFX 142159
LSRTFX
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
359 PM MDT THU MAY 14 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0400 PM LANDSPOUT 10 WNW BIG SANDY 48.23N 110.32W
05/13/2026 CHOUTEAU MT PUBLIC
DELAYED REPORT. HIGH QUALITY VIDEO OF
DUST-WRAPPED CIRCULATION IN CONTACT WITH THE
GROUND AHEAD OF DESTRUCTIVE THUNDERSTORM
OUTFLOW CONTAINING SIGNIFICANT DUST. TIME
ESTIMATED FROM RADAR ROTATION SIGNATURE
ALONG LEADING EDGE OF STORM. EFU, NO DAMAGE
REPORTED.
MEC
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