Another hot day, cooler on coast, thunderstorms east


Tuesday saw record-breaking temps across Oregon, and Wednesday will be another hot day in the Willamette Valley

PORTLAND, Ore. (KOIN) – Tuesday was hot. So hot, that we had multiple record-breaking temperatures from the Oregon coast to the Willamette Valley and points in between.

Two things will happen for our Wednesday: one will be a cooler coast, and the other will be the focus of some moisture moving in allowing for some thunderstorms for central Oregon. Meanwhile, the valley will have to battle another hot day before we see some reasonable temperatures return.

However, check out this temperature difference out on the Oregon Coast on Wednesday: Newport is 27 degrees cooler than Tuesday late morning because of the shift of the wind and some cooler air moving in.

If you’re looking for nature’s air conditioning, you will be able to find it Wednesday along the central Oregon coast.

Alright, so we also have some thunderstorm potential that we need to discuss. This could mean some lightning, heavy rain and windy conditions Wednesday afternoon for locations such as Crater Lake and streaming north to Bend and Madras.

You can see this map above called “potential energy,” this is a variable that we look at called CAPE or convective available potential energy. This to some extent is energy that is released when water condenses. It is depicting the potential for an unstable environment and the possibility for some t-storms. The locations where the numbers are higher in value the greater the odds the air parcel will rise and potentially help develop a thunderstorm. Of course, the afternoon is usually the time for this after a day full of sun and heat.

Now if you’re hoping for some cooler weather in the valley too, it’s going to take this system Thursday morning that may bring a few showers into the forecast for that to occur.

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