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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.

Friday, December 3, 2021

SPC Dec 3, 2021 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1155 PM CST Thu Dec 02 2021 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may develop late this afternoon and evening across parts of the southern Plains and Arklatex, but no severe weather is expected. ...DISCUSSION... West-northwest mid-level flow will remain over much of the northern and eastern United States today as a shortwave trough moves eastward across the southern Plains. At the surface, weak low-level moisture return will take place from eastern parts of the southern Plains into the lower to mid Mississippi Valley. In spite of this, instability will remain relatively weak this afternoon across the moist sector. Isolated thunderstorm development will be possible along and near the northwestern edge of the moist airmass from central Texas northeastward into the Arklatex. No severe threat is expected due to the weak instability. Elsewhere across the continental United States, thunderstorm development is not forecast today or tonight. ..Broyles/Wendt.. 12/03/2021 Read more LIVE: spc.noaa.gov