June 23, 2016 Microburst in Springboro, OH

Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Public Information Statement National Weather Service Wilmington OH 931 PM EDT THU JUN 23 2016 ...Microburst with straight line wind damage has been confirmed near Springboro in Warren County Ohio... Location...Springboro in Warren County Ohio Date...06/23/2016 Estimated Time...2:55 AM EDT - 3:05 AM EDT Estimated Maximum Wind Speed...80 MPH * The information in this statement is preliminary and subject to change pending final review of the event(s) and publication in NWS Storm Data. A damage survey conducted by the National Weather Service in collaboration with Warren County Emergency Management determined that thunderstorm wind damage which occurred during the morning of Wednesday 23 June 2016 was caused by a microburst with straight line winds. A swath of damage was observed in the Settlers Walk neighborhood including Settlers Walk Blvd., Stolle Drive, and Remick Blvd. The damage also extended to the southeast toward Five Points and Lytle. Maximum winds associated with the microburst occurred within this area, and are estimated to be up to 80 mph. Multiple hardwood trees were knocked down and were pointing in the same direction. A few softwood trees were also uprooted. The National Weather Service extends thanks to Warren County Emergency Management for their assistance with this storm damage survey. For reference... A microburst is a convective downdraft with an affected outflow area of less than 2 1/2 miles wide and peak winds lasting less than 5 minutes. Microbursts may induce dangerous horizontal and vertical wind shears...which can adversely affect aircraft performance and cause property damage. Straight-line winds are generally any wind that is not associated with rotation...used mainly to differentiate them from tornadic winds. $$ Peloquin/Butner