High winds and heavy snow combined resulting in numerous warning level wind and snow reports.
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.
High winds and heavy snow combined resulting in numerous warning level wind and snow reports.
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 Mar 11, 4:45 AM MST, 1 hour 15 minutes earlier.
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</html>6 heavy snow, 1 high wind. Local standard time, as filed.
Heavy snow measuring 6 inches in 12 hours was reported 15 miles SW of Dupuyer at the Dupuyer Creek SNOTEL (Elevation 5750ft).
Heavy snow measuring 12 inches in 12 hours was reported at the Pike Creek SNOTEL (Elevation 5928ft).
Heavy snow measuring 6 inches in 24 hours was reported 16 miles WSW of Babb, MT.
Heavy snow measuring 12 inches in 12 hours was reported at the Many Glacier SNOTEL (Elevation 4900ft).
Heavy snow measuring 6 inches in 12 hours was reported 23 miles W of Bynum at the Waldron SNOTEL (Elevation 5600ft).
Heavy snow measuring 6 inches in 12 hours was reported near Gleason.
High winds of 60KT (69MPH) were measured 8 miles SE of East Glacier Park at the Deep Creek RAWS site.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2013Every state in 2013This day in weather historyWarnings in Montana, March 2013
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 2026-10-01. Each event’s entry at NCEI: 441009, 441013, 441015, 441018, 441012, 441019, 441021.