Fall Has Arrived!

After hitting a high temperature of 85 degrees on Saturday, we took a nose dive to just 67 on Sunday.  The cold front that moved on-shore brought not only the chilly air, but rainfall as well.  The 0.08″ that we picked up in Eugene was the most we had seen in nine weeks!

Today, just the fourth day of fall, we’re looking at very fall-like conditions continuing with two more storms impacting the region.

Visible Satellite: Monday 11:15 a.m. showing warm and cold fronts with parent low over the Pacific NW.

Early this morning a warm front brushed the northwest corner of the state.  This brought rain to Corvallis, Portland, Newport and Astoria.  Behind the front we’re looking a chance for scattered showers, mostly cloudy skies, highs in the low to mid 70s and windy conditions.

Here’s a breakdown of the winds:

  • N. Ore. Coast: High Wind Warning until 1 p.m.  South 30-40 mph gusts 65
  • S. Ore. Coast: South winds 20 – 25 mph with gusts to 35 mph.
  • Willamette Valley: South winds 10 – 20 mph
  • Umpqua Basin: South winds 10 – 15 mph

Late tonight, the cold front connected to this storm will bring in another round of rain and even cooler air.  Around 10 p.m. the front will arrive along the coast, spreading to the south east from there.  The valley should start to see rain by 2 a.m.  The rain will be heaviest overnight, with showers continuing through the afternoon.   Highs will only make it to the low 70s, despite sun breaks in the afternoon.

Once we get through these two fronts, we’ll be in the clear for several days.  A ridge of high pressure is set to build in Wednesday, staying through Saturday.  This will bring in mostly sunny skies and highs peaking in the low 80s by Thursday.

This is the WRF-GFS 36 km Domain 500 mb map for Thursday morning, showing a ridge of high pressure building over the Pacifc NW.

Have a great Monday!

Meteorologist Melissa Frey

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