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Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).

Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.

Saturday, January 22, 2022

SPC Jan 22, 2022 0830 UTC Day 3 Severe Thunderstorm Outlook

SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0209 AM CST Sat Jan 22 2022 Valid 241200Z - 251200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible along the Texas Coast Monday, but severe thunderstorms are not expected. ...Synopsis and Discussion... A southern-stream shortwave trough is forecast to begin the period centered over Far West TX before then progressing eastward across the TX Hill Country and middle/upper TX Coast throughout the day. Surface cyclogenesis is anticipated ahead of this shortwave over the lower/middle TX coast Monday morning, with the resulting surface low tracking northeastward just off the TX coast during the day. This low is then expected to track more easterly Monday night into Tuesday morning, staying just off the LA Coast over the north-central Gulf of Mexico. This trajectory is expected to keep the warm and moist air offshore, minimizing the buoyancy inland. Consequently, despite strong forcing for ascent attendant to the shortwave trough, thunderstorm coverage will be limited, with only isolated thunderstorms are expected over the TX Coast. The greater thunderstorm coverage and potential for a few stronger storms is currently expected to stay well offshore. Elsewhere, northern-stream upper troughing will remain in place from the northern High Plains into much of eastern CONUS, reinforced by a series of embedded shortwave troughs. The progression of these shortwaves will also help reinforce the dry and stable conditions in place across the majority of the central and eastern CONUS. ..Mosier.. 01/22/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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