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Mesoscale Discussion 717 | |
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Mesoscale Discussion 0717 NWS Storm Prediction Center Norman OK 0742 PM CDT Wed May 08 2024 Areas affected...northern Alabama...southern Middle and into eastern Tennessee...northwestern Georgia...and far western North Carolina Concerning...Tornado Watch 211... Valid 090042Z - 090245Z The severe weather threat for Tornado Watch 211 continues. SUMMARY...Severe/tornado threat is increasing across Tornado Watch 211 -- from the Tennessee Valley into the southern Appalachians. DISCUSSION...Latest radar loop across the region shows storms increasing rapidly in coverage and intensity from northern Alabama and southern Middle Tennessee, eastward to southeastern Tennessee and northwestern Georgia. This appears to be occurring in response to an increase in low-level warm advection, associated with a gradually veering low-level jet. Meanwhile, strong storms -- including a long-lived supercell now moving into the Warren County Tennessee vicinity -- are expected to continue moving eastward out of WW 206 into Tornado Watch 211 in the next hour or so. With this area on the eastern edge of a very moist/unstable airmass across the lower Mississippi and Tennessee Valleys, and shear favoring organized/rotating storms, severe/isolated tornado risk should continue to increase in the short term, across this area. ..Goss.. 05/09/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...GSP...MRX...JKL...FFC...OHX...BMX...HUN...MEG... LAT...LON 34508813 35318797 35508669 35478597 35878515 36598472 36598392 35138364 34308380 34058676 34508813 |
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