Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0329 AM CDT Fri Jul 02 2021 Valid 051200Z - 101200Z ...DISCUSSION... Medium-range guidance is fairly consistent in maintaining a generally low-amplitude, weak flow upper-level pattern for much of the Day 4-8 period. A weak shortwave trough will migrate across the Upper Midwest/Great Lakes vicinity on Day 5/Tue. An associated surface front will drop southward across parts of the Mid-MO/Upper MS Valley and become a focus for thunderstorm development. However, poor vertical shear and midlevel lapse rates will likely limit organized severe thunderstorm potential. A stronger upper shortwave trough is forecast to develop east/southeast across the northern Plains and Upper Midwest around Day 8/Fri. Stronger west/northwesterly deep-layer flow is expected with this system as a deepening surface low develops and sweeps a cold front across the region. Increasing severe potential could accompany this system and probabilities may be needed in subsequent outlooks if forecast trends are maintained. Read more LIVE: spc.noaa.gov
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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).
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.
CONVECTIVE | TORNADO | WIND | HAIL
Friday, July 2, 2021
SPC Jul 2, 2021 Day 4-8 Severe Weather Outlook
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)