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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.

ARLINGTON HEIGHTS WEATHER

Sunday, July 24, 2022

SPC Jul 24, 2022 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0234 AM CDT Sun Jul 24 2022 Valid 261200Z - 271200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM THE MID-ATLANTIC WEST INTO THE LOWER MISSOURI VALLEY... ...SUMMARY... Severe thunderstorms will be possible Tuesday from the mid-Atlantic region west to portions of the central Plains. Damaging gusts will be the primary severe hazard. ...Mid-Atlantic west to lower Missouri Valley... A front, reinforced by convective outflows, will extend from the mid-Atlantic coast west into the central Plains Tuesday afternoon. As an upper-level low over Ontario Province moves south, some increase in westerly mid-level flow will occur in the vicinity of the front resulting in effective shear of 30-35 kts. A very moist air mass will remain in place with surface dew points generally in the 70s, supporting moderate/pockets of strong buoyancy by afternoon. Thunderstorms developing in the vicinity of the front will pose a risk for damaging downburst winds, aided by steep low-level lapse rates in areas with more substantial heating. The severe threat should generally diminish during the late evening. ..Bunting.. 07/24/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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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)