NWUS51 KLWX 201634 LSRLWX Preliminary Local Storm Report National Weather Service Baltimore MD/Washington DC 1234 PM EDT Mon Apr 20 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1154 AM Marine Tstm Wind 3 NE Berthaville 38.37N 77.09W 04/20/2026 E39 mph ANZ536 VA Mesonet A squall produced estimated wind gusts to 34 knots (39 MPH) near a personal weather station (KVAKINGG134) adjacent to the tidal Potomac River between 11:54 and 11:59 AM. && Event Number LWX2606306 $$ DH