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Bulletin 2-23-16 10:00 AM

posted Feb 23, 2016, 7:06 AM by Jay Campbell   [ updated Jan 8, 2017, 1:13 PM by Jason Arnold ]

From Mark Maslick, SC State Climate Office

A strong cold front thundering in from the west will trigger strong thunderstorms for South Carolina beginning over the Upstate (as in not far from Marion!) before daybreak tomorrow (Wednesday) morning. A broad swath of strong storms track west to east during the day Wednesday, clearing the coast after 6 PM. This frontal passage will be supported by the left exit region of a 150 knot upper level jet streak aloft as well as a 70 knot low level jet. The National Weather Service referred to this set-up as having “off the charts shear”. Charming.


With abundant warm sector moisture in place ahead of the front, storms will produce heavy rain particularly for the Upstate (Asheville, etc.) Rain amount of a fast 1-2 inches is in the mix. As thunderstorms develop and strengthen  mid-morning the threat includes the heavy rain, and the added wonderfulness of lightning and strong 60-70 mph winds mixing down to the surface from strong and severe cells. With all that shear aloft,  tornadoes are in the threat mix.

Please check that your tie-downs are secure.  Today.