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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, May 10, 2021

SPC May 11, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Mon May 10 2021 Valid 110100Z - 111200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF TEXAS... ...SUMMARY... Severe thunderstorms with very large hail and severe gusts are possible across portions of southern Texas this evening and tonight. ...

TX into LA... An active corridor for showers and thunderstorms north of a stationary front near the TX Hill Country into southeast TX/southwest LA, will likely persist through the evening hours. The storm activity is being forced in part by low-level warm air advection and has led to the elevated thunderstorms, some of which are locally severe from the Concho Valley northeastward into northeast TX. A gradual diminishing of updraft strength is anticipated this evening with the remaining severe threat concentrated near the Rio Grande by mid-late evening. A renewed risk for severe may occur late tonight as low-level warm air advection strengthens over the Big Country into southern OK. Isolated large hail will be the primary risk with this overnight activity. For short-term details, please refer to MCD #586 regarding the severe risk near and southeast of Del Rio. ...

Central NC this evening... Thunderstorms are expected to continue to weaken early this evening near a stationary front draped across NC. Gradually cooling surface temperatures and stabilization of the boundary layer will favor lessening storm coverage. Despite adequate shear profiles for storm organization, the risk isolated damaging gust will likely diminish by late evening. Please refer to MCD #587 regarding the severe risk in the short term. ..Smith.. 05/11/2021 Read more LIVE:

NWS SPC Convective Outlook provided by

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