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| Mesoscale Discussion 1861 | |
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Mesoscale Discussion 1861 NWS Storm Prediction Center Norman OK 0656 PM CDT Wed Aug 07 2024 Areas affected...coastal Carolinas Concerning...Tornado Watch 610... Valid 072356Z - 080200Z The severe weather threat for Tornado Watch 610 continues. SUMMARY...Tornado threat will continue within WW610. DISCUSSION...Recent radar across the coastal Carolinas has shown weak circulations off shore and within a band extending inland across southern North Carolina from Wilmington to the South Carolina border. Overall, the inland environment is characterized by weak thermodynamic profiles, given MLCAPE around 500-1000 J/kg and poor lapse rates (around 5 C/km). The most favorable low-level shear remains further inland, where around 150 m2/s2 0-1 km SRH is observed in objective analysis. Given the poor overlap of low-level shear with instability and generally weak lapse rates, a continuation of occasional weak circulations and potential for a tornado could not be ruled out in the short term. Further north across the northern portion of WW610 near the Outer Banks, warming has occurred with temperatures in the low to mid 80s yielding MLCAPE around 1500-2000 J/kg. RAP forecast indicate that shear may increase across this region over the next several hours. Should a band of cells move into this region, there may be a more favorable corridor for tornadoes later in the watch period. ..Thornton.. 08/07/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...MHX...RAH...ILM... LAT...LON 34257932 34537893 34727831 34827771 34757728 34517690 34287696 33807745 33557776 33447838 33407881 33467916 33617979 33797979 34257932 |
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