At 723 PM CDT, Doppler radar was tracking a strong thunderstorm near Martindale, or near San Marcos, moving northeast at 35 mph. HAZARD...Winds in excess of 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Austin, San Marcos, Kyle, Buda, Lockhart, Wimberley, Tanglewood Forest, Austin Bergstrom Int Airport, Martindale, Uhland, Must