ACUS11 KWNS 091805 SWOMCD SPC MCD 091805 NJZ000-MDZ000-DEZ000-VAZ000-DCZ000-092000- Mesoscale Discussion 1555 NWS Storm Prediction Center Norman OK 0105 PM CDT Thu Jul 09 2026 Areas affected...Parts of central central/northern Virginia into southern Maryland Concerning...Severe potential...Watch likely Valid 091805Z - 092000Z Probability of Watch Issuance...80 percent SUMMARY...Damaging wind gusts are possible as convection continues to intensify and move eastward this afternoon. A watch is likely. DISCUSSION...Convection along a stationary boundary has shown modest intensification over the last hour near the MD/PA border. Additional convection is developing along the Blue Ridge. Sufficiently strong westerly winds across the Ridge will eventually move convection to the east. Furthermore, around 30 kt of effective shear will be present allowing for stronger storm cells and linear structures. Low-level lapse rates will continue to steepen this afternoon, though cloud cover has been greater in the vicinity of the Chesapeake Bay. Given the potential for one or more clusters to evolve this afternoon, a watch is likely to address the threat for damaging wind gusts. ..Wendt/Hart.. 07/09/2026 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PHI...AKQ...LWX...RNK... LAT...LON 37517807 37697831 38537820 39337755 39597685 39657547 39157505 38637508 37837554 37697569 37457634 37537764 37517807 MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH