Heavy Rain in Pondera County, Montana
Heavy Rain April 10, 2019 · Pondera County, Montana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
A trained spotter reported a heavy rainfall of 1.86 inches at 6 W Brady.
The wider storm
On April 9th and 10th, a passing low pressure system moving southeast of the Pacific Northwest provided enough lift within an already moisture rich environment to produce widespread precipitation. Additionally, easterly upslope flow enhanced precipitation amounts, especially along the Rocky Mountain Front and Central Montana mountain areas. Snow levels were highly variable with this system, rising and falling with the diurnal cycle, but generally starting out above 7000 ft before eventually falling to around 3000 ft. Areas near the Rocky Mountain Front including Marias Pass, Browning, and Rogers Pass observed much of the winter weather impact, while eastern Pondera and Teton Counties received the heaviest rainfall.
Began near Brady (48.0410, -111.9598).
Source: NOAA Storm Events Database, event 812558. Narratives are written by the National Weather Service forecast office that issued the report.
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