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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.

Friday, June 4, 2021

SPC Jun 5, 2021 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0729 PM CDT Fri Jun 04 2021 Valid 050100Z - 051200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF CENTRAL AND EASTERN MONTANA... ...SUMMARY... Severe thunderstorms are possible across parts of central and eastern Montana through the remainder of the evening. Damaging wind gusts are expected to be the primary risk. ...Mid-Atlantic Vicinity... The overall severe threat has waned across much of the Mid-Atlantic as storms have largely moved offshore. A couple of strong storms capable of gusty winds may still be possible the next couple hours across parts of northeast NC and extreme southeast VA where a Marginal risk will be maintained. Aside from this small area, severe probabilities have been removed from southern New England southward along the Atlantic coast. ...Montana to northern MN... The Slight risk has been removed from far northeast MT, northern ND and extreme northwest MN. Thunderstorms in the vicinity of a weak surface trough across ND have generally been weak and disorganized early this evening. As inhibition continues to increase with loss of daytime heating, severe potential will further diminish, though some gusty winds are possible with stronger cells the next couple of hours and a Marginal risk will be maintained. Further west, thunderstorms continue to develop over higher terrain of central MT amid steep midlevel lapse rates and adequate shear. A few organized cells/clusters could produce strong gusts and hail for a few more hours this evening. ..Leitman.. 06/05/2021 Read more LIVE: