The potential for high winds began along the Rocky Mountain Front and Eastern Glacier county before spreading east across the remainder of north-central Montana. These winds caused difficult driving conditions for high-profile vehicles.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TFX wrote it up.
The potential for high winds began along the Rocky Mountain Front and Eastern Glacier county before spreading east across the remainder of north-central Montana. These winds caused difficult driving conditions for high-profile vehicles.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before the first event at Oct 19, 4:25 AM MST, 55 minutes earlier.
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</html>1 high wind. Local standard time, as filed.
Two Medicine Bridge DOT measures 72 mph wind gust at 6:20am 10-19-2012.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2012Every state in 2012This day in weather historyWarnings in Montana, October 2012
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 416804.