Subj : MESO: Mesoscale Discussion 1529 To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Tue Jul 01 2025 15:49:17 ACUS11 KWNS 011549 SWOMCD SPC MCD 011548=20 NJZ000-PAZ000-DEZ000-MDZ000-VAZ000-DCZ000-WVZ000-011745- Mesoscale Discussion 1529 NWS Storm Prediction Center Norman OK 1048 AM CDT Tue Jul 01 2025 Areas affected...the Mid-Atlantic States Concerning...Severe potential...Severe Thunderstorm Watch likely=20 Valid 011548Z - 011745Z Probability of Watch Issuance...95 percent SUMMARY...An increasing damaging wind threat and Severe Thunderstorm Watch issuance are expected this afternoon DISCUSSION...Convection has been slowly building across the central Appalachians, ahead of a low-amplitude shortwave trough that is progressing east across the Upper OH Valley. While there is some near-term uncertainty of how quickly this initial activity will strengthen amid weak DCAPE, the downstream airmass east of the Blue Ridge is destabilizing well as surface temperatures have already warmed into the upper 80s to low 90s. This will yield an uptick in convective intensity as clusters impinge on the Piedmont to Coastal Plain where mid 70s surface dew points are pervasive. Although lower-level winds will remain weak and predominately veered, moderate mid to upper-level westerlies will support organized multicells capable of producing multiple strong to isolated severe gust swaths. Scattered damaging winds appear likely towards mid to late afternoon. ...Grams/Mosier.. 07/01/2025 ....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5o6tCwZiu33rjuJv2fKi3QZP51xRopNWyQd4O7Pya7lC2GExhodCcw3P64TWEauLPfcu-GljF= V02a4BjXiRqMPZzZgc$ for graphic product... ATTN...WFO...PHI...AKQ...CTP...LWX... LAT...LON 40117372 39117452 37967617 37757901 38627929 40127907 40667848 40497568 40117372=20 MOST PROBABLE PEAK WIND GUST...55-70 MPH =3D =3D =3D To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM. --- SBBSecho 3.20-Linux * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (1:2320/105) .