PORTLAND, Ore. (KOIN) — As much as a quarter of an inch of ice accumulation is possible in the Willamette Valley between Thursday night and Friday morning, when a mix of snow, freezing rain and sleet ...

To ensure accurate precipitation measurements, the NWS has established guidelines for measuring and reporting snow and sleet totals and converting them into liquid equivalents. Measuring precipitation ...

November in Northeast Ohio marks that time of year when measuring what falls from the sky starts to get a little tricky. Rain is easy — snow and ice, can come with a challenge. When it’s warm, ...

Freezing rain is arguably the most dreaded type of winter weather to experience, but storm reports during these events are invaluable. Ice forms from freezing rain, when raindrops fall through a layer ...