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| Mesoscale Discussion 1562 | |
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Mesoscale Discussion 1562 NWS Storm Prediction Center Norman OK 1127 PM CDT Mon Jul 08 2024 Areas affected...Arkansas Concerning...Tornado Watch 515... Valid 090427Z - 090630Z The severe weather threat for Tornado Watch 515 continues. SUMMARY...Tornado threat continues across central and eastern Arkansas. DISCUSSION...TS Beryl circulation has progressed into northeast TX, just southwest of Texarkana, and is gradually weakening as it ejects northeast into the lower MS Valley. Strongest low-level shear is now focused across central AR where 0-3km SRH at LZK is on the order of 650 m2/s2. Even so, low-level shear has gradually decreased ahead of this feature, and nocturnal cooling is notably affecting buoyancy in the lower troposphere. As a result, supercell structures are considerably fewer than earlier this evening, though several embedded longer-lived circulations are noted within a larger cluster of convection currently lifting north across central AR. Tornado threat continues with this activity and a local extension to Tornado Watch 0515 may be needed by 05z. ..Darrow.. 07/09/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...MEG...LZK... LAT...LON 34569313 34979288 35349229 35629132 35579063 35169019 34539047 34039118 33949216 34109299 34569313 |
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