Administrators NorthGeorgiaWX Posted December 10, 2023 Administrators Share Posted December 10, 2023 SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1241 AM CST Sun Dec 10 2023 Valid 111200Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm probabilities are less than 10 percent on Monday. ...Discussion... Substantial cyclogenesis tonight will persist into Monday with the surface low tracking across southern and eastern New England to the Canadian Maritimes. An extremely strong low-level jet ahead of the cyclone, increasing to around 100 kts at 850 mb, should advect adequate western Atlantic moisture to yield minimal elevated buoyancy towards coastal New England. The bulk of guidance outside of the 00Z NAM indicates this may be inadequate for charge separation amid weak lapse rates above 500 mb. But given the very strong forcing for ascent, there may be a short-duration period from 12-15Z across southeast MA to coastal ME where heavier convective elements within the broader warm conveyor rain band could produce a few lightning flashes. Elsewhere across the CONUS, with the surface cold front expected to clear the rest of the Atlantic Seaboard prior to 12Z Monday, thunderstorm potential will be negligible. ..Grams.. 12/10/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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