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Archives for Chicago's hourly weather data updated 24-48 hours after end of each day. MOBILE CHGOWX.COM ...
Weather conditions on bar directly above are near Lakefront. Weather conditions with Moon are O'Hare (official).

Monday, October 25, 2021

SPC Oct 26, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0735 PM CDT Mon Oct 25 2021 Valid 260100Z - 261200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTH CENTRAL NORTH CAROLINA INTO CENTRAL AND EASTERN VIRGINIA... ...SUMMARY... Threat for mainly a few strong to damaging wind gusts and possibly a tornado or two exists this afternoon and evening from central North Carolina into Virginia. ...01Z Update... ...Mid-Atlantic... A line of thunderstorms continues to push eastward across the region, with the strongest storms currently concentrated from central VA into central NC. Modest thermodynamics will persist but strong forcing for ascent and vertical shear are still expected to support bowing line segments capable of damaging wind gusts and/or a brief tornado or two for the next few hours. ..Long Island/Coastal Southern New England... Ongoing line of showers and thunderstorms extending from southeast PA eastward through central NJ is evidence of the strong moisture convergence occurring northeast of the surface low. Low-level southerly flow is expected to persist and strengthen throughout the warm sector over the next few hours, leading to increased low-level moisture convergence and isentropic ascent from northern NJ eastward across Long Island and immediate coastal portions of southern CT, southern RI, and Cape Cod. Thunderstorm coverage is expected to increase as a result, and a few storms may be organized enough to produce isolated convectively augmented wind gusts. ..Mosier.. 10/26/2021 Read more LIVE: spc.noaa.gov
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