Ex-typhoon to blast chilly weather nationwide

HOUSTON-SEATTLE-PORTLAND - Did you know that a typhoon in the South Pacific has so much energy, it can virtually change our seasons in the USA overnight? This setup is happening now and by this time next week you may be running for your sweater (like Ken Bone).

Sunbelt states like Texas will see the coolest weather so far this fall.

The system in question was equivalent to a category 4 hurricane just three days ago (Typhoon Songda). While it's officially a weaker, "non-tropical" storm system as it barrels into Washington and Oregon through tomorrow, the powerful gusts over 100 mph remain and it could knock out power for many while producing several inches of flooding rain in that area. Some speculate this could be the strongest storm on the books.

When you get truly massive northwest Pacific storm systems born from typhoons, they can literally sweep the entire nation into the fall season. The computer model forecasts of temperature impacts from the resulting strong cold front is raising eyebrows. While we're not anticipating anything as dramatic as frost in Florida, many all the way to the Gulf coast will see 40s and 50s at night, with 60s by day -- some 20° below normal. The wind will make it feel even colder.

The science of how this thing transitioned from a typhoon to a cold front is interesting, but for many who live in warmer parts of our country, simply knowing they'll finally have the chance to feel some real fall air is news as sweet as the long-anticipated prospect of eating a candy on Halloween.

If you liked what you read, be sure to like me on Facebook and Twitter so I can bring you science-related blogs each day. -Brooks


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