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North Canadian fires have burned for a month; smoke to produce brilliant Midwest sunsets

Today at 1AM by Tom Skilling
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Atmosphere primed for afternoon/evening t-storms driven by daytime heating/cool air aloft

Yesterday at 11PM by Tom Skilling
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North Canadian heat a factor in abnormal jet stream helping drive Chicago’s unusual summer weather

Yesterday at 10PM by Tom Skilling
This wind streamline and velocity analysis is a product of the WeatherBell database is based on data from the National Weather Service's 4km WRF model. Arrows here depict surface winds. The colors denote sustained wind speeds in kts. The shaded green area is the region of 22 kt (25 mph) and greater wind speeds.

Full fetch N winds boost Monday lake levels here 1.3 ft.; Lake’s overall water levels is 2.9 ft above record low

07|28|14 by Tom Skilling
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Temps/humidities crash in latest July ’14 full-fetch north wind regime; near record July wave heights

07|28|14 by Tom Skilling
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What is the Milankovitch theory?

Yesterday at 10PM by Tom Skilling
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Storm approaching Lake County (IL) has a history of wind damage

Yesterday at 9PM by Mike Hamernik

Clouds and showers expected in the coming days

Yesterday at 6PM by Tom Skilling

1-minute forecast: Chance for storms tonight

Yesterday at 1PM by Tom Skilling

Scattered showers throughout week as air slowly heats up

Yesterday at 1PM by Tom Skilling

Forecast: Warm temps, chance of showers this afternoon

Yesterday at 6AM by Paul Konrad
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What was Chicago area’s atmospheric conditions on June 12, 2013?

Yesterday at 1AM by Tom Skilling
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Monday’s winds/sharp cooling churn Lake Michigan but ease Tuesday; daytime heating threatens scattered showers/isolated t-storms in warmer hours coming 4 days

Yesterday at 1AM by Tom Skilling
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Daytime heating/unstable atmosphere to ignite scat PM showers

07|28|14 by Tom Skilling

Warmup builds through the week

07|28|14 by Tom Skilling
It's been Summer 2014 default upper air pattern; an abnormally "wavy" jet stream driven by anomalous warmth north and west (in areas shaded red) and cool here

It’s warmer in northern Canada than in Chicago; set-up contributes to cool summer pattern here

07|28|14 by Tom Skilling

Cooler temps, mild weather stick around

07|28|14 by Tom Skilling
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