NWS Missoula Blog
This blog is updated by NWS employees when time permits. It may contain references to current and past weather events, but its primary focus will be for community events that the NWS Missoula participates in. For the latest discussion on the current weather please see the Forecast Discussion and for the latest advisories and warnings see http://www.weather.gov/missoula.
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Wednesday, August 19, 2009
Severe Weather Event August 6, 2009
On August 6, 2009 severe thunderstorms impacted North Central Idaho and Western Montana. The storms tracked from southwest to northeast across the area...producing large hail, flash flooding and damaging winds. Hail of 2 to 2.5 inches in diameter was observed in the Butte area. Debris flowed over the roadway near 4th of July creek north of Salmon, ID 8-12 feet deep and 50-75 yards wide. Severe Weather Reports
Debris over roadway near 4th of July creek 18 miles north of Salmon, ID. Photo by Jay Davis.
Silver dollar size hail near Salmon, ID. Photo by Jay Davis.
Damage to a home near Butte, MT.
Radar imagry from the National Weather Service of the storms passing over Idaho and Montana.
A microburst can be seen at the base of this storm as it passed near Butte, MT. Photo by Seth Slatter.
Tennis ball sized hail fell near Butte, MT. Photo by Roger Ebner.
Another picture of large hail that fell near Butte, MT. Photo by Roger Ebner.
Friday, August 14, 2009
July Report
July saw convective activity increase with most storms producing heavy rain and hail. One inch diameter hail reports were received on July 6, 24 and 28. The largest hail report came from a weather spotter near Conner, MT on July 6, where golf ball size hail covered the ground. During the evening of July 28, heavy rain produced flood and debris flows near the Black Cat severely burned area northeast of Frenchtown, where flood waters 2 inches deep entered a basement of a home. Another residence had water and debris flow into their back yard and driveway, briefly cutting off access to the home.
Friday, August 07, 2009
Philipsburg Hail
On July 26th a low pressure system moved into the region creating an unstable environment that led to thunderstorms. In Philipsburg, MT hail one half to one inch in diameter fell to a depth of two inches covering the ground creating a scene that resembled winter.
Pea sized hail covering the ground near Philipsburg, MT. Photo by Anne Luthje
Pea sized hail covering the ground near Philipsburg, MT. Photo by Anne Luthje