Temperature Rollercoaster From West To East

Written by on July 10, 2016 in Summer 2016, United States of America with 0 Comments

Yesterday was cooler for the Northeast in the wake of the latest system while it was in the 100s as far north as South Dakota yesterday ahead of the next system.

Current GFS 500mb height anomaly chart.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Yesterday’s maximums.

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

A large thunderstorm complex (likely an MCS) as blew up overnight bringing damaging wind, lightning and flooding rains, perhaps a few tornadoes too. Further south, notice the thunderstorms firing along the frontal boundary from the previous system now departing New England.

rb-animated

FEATURE IMAGE CREDIT: tara ryan-gallagher @taroryga

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The next storm has now pushed through the Dakotas, dropping the heat and turning up the storminess this morning.

Thunderstorm complex pushing SE over the Upper Midwest at 8am CT this morning.

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

Credit: WeatherBug

As unusually cold air sweeps in on the system’s back side, expect heavy snowfall to break out in the N Rockies tonight.

GFS surface for 12z today.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

1-2ft of snow likely above 7-8,000ft over parts of Idaho, Montana, Wyoming tonight into tomorrow.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

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Yep, GFS has 30sF in Yellowstone Park at 18z Monday, JULY 11.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Some spots will be over 30 below normal.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Overnight lows into the low 20s?

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Later in the week and the heat returns to Southwest and Northeast.

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

No video tonight.

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