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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).

Friday, November 5, 2021

SPC Nov 5, 2021 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0337 AM CDT Fri Nov 05 2021 Valid 081200Z - 131200Z ...DISCUSSION... A progressive mid/upper level pattern is forecast during the Day 4-8 period. An upper shortwave trough will migrate across the Rockies to the Great Lakes and Northeast through Day 6/Wed. Meanwhile, a larger-scale upper trough will develop over the Plains on Day 6-7/Wed-Thu and spread across the central U.S. through the end of the period. Some thunderstorm potential could develop across parts of the central/southern Plains ahead of a cold front on Wed/Thu, but severe potential appears low given limited moisture/instability. Widespread precipitation will likely shift eastward across parts of the central/eastern U.S. through Days 7-8/Thu-Fri as the upper trough and a surface cold front progress eastward. However, severe thunderstorms are not expected given poor boundary-layer moisture and limited instability. Read more LIVE: spc.noaa.gov