Administrators NorthGeorgiaWX Posted January 3 Administrators Share Posted January 3 SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1024 AM CST Wed Jan 03 2024 Valid 031630Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today or tonight. ...FL Gulf coast tonight... A southern-stream shortwave trough will continue eastward over the Gulf coast today and off the southeast Atlantic coast tonight, with only a weak surface reflection of the midlevel wave. The majority of the surface warm sector with the Gulf coast trough will remain offshore, with only a small part of the unstable warm sector expected to reach the west central FL coast tonight. Still, marginal midlevel lapse rates and low-level moistening will tend to limit buoyancy over land, which will be greatest after low-level shear and forcing for ascent begin to weaken. A strong storm might approach the Tampa area tonight, but the severe threat appears too limited to justify adding an outlook area. ...Southern CA/NV into AZ through tonight... Low-topped convection with isolated lightning flashes will be possible today along the central/southern CA coasts in association with relatively steep low-midlevel lapse rates beneath the midlevel thermal trough, as the midlevel trough moves from central/southern CA toward southern NV. Isolated lightning flashes will also be possible with pockets of weak destabilization as the midlevel vorticity center moves over southern NV this afternoon/evening. Midlevel cooling/moistening could also support isolated lightning flashes with weak convection overnight in the zone of ascent preceding the midlevel trough over southeast AZ. ..Thompson/Squitieri.. 01/03/2024 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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