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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.

Monday, April 18, 2022

SPC Apr 18, 2022 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0746 PM CDT Sun Apr 17 2022 Valid 180100Z - 181200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM PORTIONS OF CENTRAL AND SOUTHERN LOUISIANA EASTWARD TO SOUTHWESTERN ALABAMA AND WESTERN PARTS OF THE FLORIDA PANHANDLE... ...SUMMARY... Risk for hail and locally damaging winds will continue into the overnight hours across the lower Mississippi Valley and central Gulf Coast region. ...Central Louisiana/southern Mississippi into the Southeast... While a gradual decrease in convective coverage/intensity has begun in general across the southeastern quarter of the country, vigorous/locally severe storms continue -- primarily within a complex band of convection moving east-southeastward across the southern Mississippi Vicinity. Ahead of this convection, a moderately unstable airmass remains in place, per RAP-based objective analysis and the evening LIX RAOB. As such, with the mid-level trough moving across Missouri/Arkansas at this time supporting a favorable large-scale dynamic/kinematic environment, expect well-organized/locally severe storms to continue over the next few hours. With time, some decrease in intensity will begin, but local severe risk may linger well into the overnight hours until the bulk of the convection shifts into the northern Gulf. ..Goss.. 04/18/2022 Read more CHECK UPDATE ZOOM GRAPHIC
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