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Cardinal SAT


Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).

Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.

Monday, November 29, 2021

SPC Nov 29, 2021 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1002 AM CST Mon Nov 29 2021 Valid 291630Z - 301200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected across the CONUS through early Tuesday. ...Synopsis... Northwesterly mid-level flow will prevail across much of the central and eastern US through the forecast period in the wake of a departing upper trough. Across the Southwest, mid-level ridging will shift westward as a weak upper low develops off the Baja coast. Several shortwave troughs embedded within the flow aloft will move across the northern Rockies and upper Midwest today, though scant boundary-layer moisture remains due to surface high pressure and several days offshore flow. As such, thunderstorms appear unlikely across the CONUS through early Tuesday. ..Lyons/Grams.. 11/29/2021 Read more LIVE: spc.noaa.gov