Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0757 PM CDT Tue Jun 06 2017 Valid 070100Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF THE SOUTHERN HIGH PLAINS... ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR SOUTH FLORIDA... ...SUMMARY... Isolated severe thunderstorms will remain possible this evening into tonight across portions of the southern High Plains as well as South Florida. ...Southern High Plains... Weak upslope flow beneath moderate northwesterlies in the mid- to high-levels amidst a well-mixed/steep lapse rate environment this evening will contribute to an isolated severe thunderstorms across the southern High Plains. As the boundary layer cools this evening, a gradual diminishing in storm intensity and severe risk is anticipated. ...South Florida... A mid-level vorticity maximum over the mouth of the MS River this evening will gradually move east into the FL Panhandle. Water-vapor imagery Tuesday evening shows a dry intrusion across the eastern Gulf to the north of an effective frontal zone over the southeastern Gulf through South FL. A moisture rich/maritime airmass may yield a couple of stronger storms and a low risk for a damaging gust or perhaps weak/brief tornado as the convective line over South FL gradually pushes into the FL Straits. To the north of the boundary, the 00Z raobs sampled weak lapse rates and weak buoyancy owing in part to the shallow depth of rich moisture---likely precluding strong/severe storm development later tonight. ..Smith.. 06/07/2017Read more
from SPC Forecast Products http://ift.tt/rxAC6Z
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