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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.


Sunday, October 30, 2022

SPC Oct 30, 2022 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1217 AM CDT Sun Oct 30 2022 Valid 301200Z - 311200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential is expected to be low today. ...Synopsis... A midlevel cyclone is forecast to weaken today as it moves from northern AR toward the Great Lakes region. An upstream midlevel shortwave trough will move across the southern Plains through the day, and may develop into midlevel cyclone tonight near the Ozark Plateau. A weak surface low is forecast to move from AR toward the lower OH Valley, as a cold front moves through portions of the Southeast. A surface ridge will persist along the eastern seaboard, which will generally inhibit the northward progression of richer low-level moisture in advance of the surface low and cold front. ...FL Panhandle and vicinity... A narrow zone of upper 60s to near 70 F dewpoints may spread inland across coastal regions of the FL Peninsula through the day. However, weak midlevel lapse rates will limit buoyancy, and large-scale ascent is expected to diminish with time as the primary midlevel cyclone weakens and moves away from the region. As a result, convection is generally expected to remain weak along/ahead of the front, despite modestly favorable wind profiles across the warm sector. While a strong storm cannot be ruled out near the coast, severe potential still appears too limited to introduce probabilities. ..Dean.. 10/30/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)