DarkSky Temps | Gusts | WU KORD Data

CLICK for this month's BIG night sky ...




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.

Sunday, November 28, 2021

SPC Nov 28, 2021 Day 4-8 Severe Weather Outlook

Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Sun Nov 28 2021 Valid 011200Z - 061200Z ...DISCUSSION... Latest medium-range guidance suggests that the predictability of short wave developments within the large-scale pattern may be fairly low through this period. However, in the mean, ensemble output generally indicates that deep-layer troughing will probably remain focused east of the middle/upper Mississippi Valley, while low-level ridging remains prominent across much of the Gulf of Mexico and Gulf coast vicinity. It appears that there may be at least one substantive mid-level perturbation accompanied by reinforcement of potentially cool/dry, if not particularly cold, air across the central and eastern U.S. during the middle to latter portion of the coming week, and another to the east of the Rockies sometime next weekend or thereafter. For any appreciable risk of severe thunderstorms to develop, a substantive/deep moisture return off the Gulf of Mexico likely will be needed, and this remains questionable through late next weekend. Read more LIVE: spc.noaa.gov