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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Sunday, October 17, 2021

SPC Oct 17, 2021 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1253 AM CDT Sun Oct 17 2021 Valid 181200Z - 191200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe weather is not expected across the U.S. on Monday. ...Synopsis... An upper trough/low is progged to linger over the Northeast Monday, making only gradual eastward progress. Meanwhile, a second/more mobile low is forecast to advance across the Great Basin and into Wyoming through the end of the period. At the surface, high pressure is forecast to prevail over most of the eastern half of the country. In the West, a cold front will advance across the Intermountain region, in tandem with the progression of the upper low. By late in the period/early Tuesday morning, this front should stretch from the northern Plains to the southern Rockies. Potential for thunderstorms will remain muted across a majority of the country Monday. The primary exception will be over the interior West, as cold air/steep lapse rates aloft spread across the region. Elsewhere, thunderstorms are not expected. ..Goss.. 10/17/2021 Read more LIVE: spc.noaa.gov
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