Thunderstorms formed off the higher terrain of southwestern Montana, then moved into the more favorable atmosphere over eastern Montana to strengthen to severe levels through the early evening hours.
Every event with a place to put it. Tap one for its entry below.
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 GGW wrote it up.
Thunderstorms formed off the higher terrain of southwestern Montana, then moved into the more favorable atmosphere over eastern Montana to strengthen to severe levels through the early evening hours.
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 Glasgow, MT wrote its last area forecast discussion before the first event at Jul 14, 8:28 PM MST, 1 hour 40 minutes earlier.
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</html>The Glasgow radar (KGGW), 217 km away, was scanning. The volume nearest the first event began at 05:09 UTC.
4 thunderstorm wind, 1 hail. Local standard time, as filed.
A 75 mph wind gust was recorded at the Beaver Hill I-94 DOT site (MTBVR).
Public reported damage to a grain bin.
Trained spotter reported quarter size hail.
Trained spotter reported 60 mph wind gusts.
Trained spotter reported 60 mph wind gusts.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2019Every state in 2019This day in weather historyWarnings in Montana, July 2019
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: 841816, 841812, 841813, 841814, 841815.