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Mesoscale Discussion 1576 | |
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Mesoscale Discussion 1576 NWS Storm Prediction Center Norman OK 0617 PM CDT Wed Jul 10 2024 Areas affected...portions of southern NY...eastern PA...and northern NJ Concerning...Tornado Watch 517... Valid 102317Z - 110045Z The severe weather threat for Tornado Watch 517 continues. SUMMARY...Severe thunderstorms will continue to pose a risk for a couple of tornadoes and isolated damaging gusts the next couple of hours across Tornado Watch 517. DISCUSSION...A mix of discrete supercells and line segments are ongoing this evening across parts of southern/central NY into central/eastern PA. This activity should continue to track northeast at around 35 kt over the next few hours, with additional storm development possible a bit further west along the synoptic cold front. A moist and unstable airmass with favorable vertical shear is in place and will aid in continued severe potential in the short term across Tornado Watch 517. A gradual decrease in instability and more favorable vertical shear is noted with eastern extent into parts of southern NY, far eastern PA, NJ and southern New England. Storm intensity is expected to gradually wane with eastward extent through the evening as the boundary-layer nocturnally stabilizes. A downstream watch is not expected at this time. However, if needed, local watch extensions may be considered for parts of WFOs BGM and ALY as convection nears the watch boundary by 01z. ..Leitman.. 07/10/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...OKX...ALY...PHI...BGM...CTP... LAT...LON 42167655 42927543 43027540 43107433 42797367 42517340 41987357 41627384 41047445 40267592 40267690 40307738 40567774 41177735 42167655 |
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