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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, August 2, 2021

SPC Aug 2, 2021 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1137 PM CDT Sun Aug 01 2021 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few strong storms may affect parts of the Southeast including the coastal Carolinas on Tuesday, but severe potential appears limited. Isolated storms are also expected over Oregon during the afternoon. ...Synopsis and Discussion... Primarily weak cyclonic flow aloft will persist over the eastern CONUS on Tuesday, with a surface ridge from the MO Valley into the Northeast. Meanwhile, a front will linger across the northern Gulf of Mexico, extending northeastward across the coastal Carolinas. While a moist air mass will exist near this boundary, several rounds of rain and thunderstorms will mitigate daytime destabilization. Low-level winds may be relatively stronger over the coastal Carolinas, but any isolated severe threat over land will depend on frontal position. To the west, a surface trough is forecast to develop over central WA and OR during the day, where strong heating will occur. Lapse rates aloft will also remain steep with around -10 C at 500 mb. Isolated afternoon storms are expected as capping is removed over central and eastern OR. Forecast soundings depict deep mixing layers which may aid wind gusts. At this time, it appears coverage of storms will be low due to limited moisture and little large-scale support for ascent. ..Jewell.. 08/02/2021 Read more LIVE: spc.noaa.gov
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