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MOBILE DEVICE? Turn sideways. Weather conditions directly above are near Lakefront. Top tabs refer to O'Hare (official).

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.


Sunday, February 12, 2023

SPC Feb 12, 2023 0600 UTC Day 1 Convective Outlook

LIVE MAP (ABOVE) ... SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1113 PM CST Sat Feb 11 2023 Valid 121200Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE NC OUTER BANKS... ...SUMMARY... Strong thunderstorms may affect the North Carolina Outer Banks this morning, with a risk of a brief tornado. ...NC Outer Banks... A few strong thunderstorms may approach the NC Outer Banks this morning, as a mid/upper-level cyclone approaches the region and a surface low moves northeastward near the NC coast. Weak buoyancy and favorable low-level and deep-layer shear will support the potential for organized convection through mid/late morning, before a cold front moves through the Outer Banks. With cold antecedent conditions and widespread precipitation preceding the potential arrival of the warm front near the coast, it remains uncertain whether the boundary layer can warm sufficiently to support surface-based convection. However, with 0-1 km SRH forecast to range between 200-400 m2/s2 near the warm front and surface low track, a brief waterspout or tornado affecting the Outer Banks vicinity cannot be ruled out through around 15-16Z. ..Dean/Thornton.. 02/12/2023 Read more CHECK UPDATE ZOOM GRAPHIC
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