Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
Public Information Statement National Weather Service Baltimore MD/Washington DC 1101 AM EDT Mon Aug 12 2024 ...NWS Damage Surveys for 8/8/24 Tornado Event Update 2... .Update 2... Additional information was received that extended the track of the Hedgesville WV tornado another two tenths of a mile to the northwest. .Overview...The remnants of Hurricane Debby passed over the Mid Atlantic, spawning tornadoes in northern and eastern Virginia as well as eastern West Virginia panhandle. .Glendie VA Tornado... Rating: EF-1 Estimated Peak Wind: 90 mph Path Length /statute/: 7.1 miles Path Width /maximum/:150 yards Fatalities:0 Injuries:0 Start Date: August 08 2024 Start Time: 7:49 PM EDT Start Location: 1 NW Glendie / Stafford County / VA Start Lat/Lon: 38.4097 / -77.5131 End Date: August 08 2024 End Time: 8:01 PM EDT End Location: 1 W Heflin / Stafford County / VA End Lat/Lon: 38.4883 / -77.5925 Survey Summary: National Weather Service Baltimore/Washington Weather Forecast Office staff conducted a ground survey of storm damage in western Stafford County that occurred on Thursday evening, August 8, 2024. NWS Doppler Radar in Sterling, Virginia showed a rotating severe thunderstorm that produced a tornado just before 8pm August 8, 2024. The tornado touched down one mile northwest of Glendie, Virginia in the vicinity of Kellogg Mill Road and Mt. Olive Road around 7:49 PM EDT. Multiple large trees were snapped at the trunk and uprooted, leading to the closure of Mt. Olive Road for a period of time Thursday evening. The tornado continued northwest toward the Saratoga Woods And Manor Woods Estates subdivision. Multiple medium to large trees were uprooted, branches sheared off, or otherwise damaged along Arden Lane and Mt. Olive Road. The tornado traveled toward the Poplar Manor subdivision along Stony Hill Road. One tree was snapped and uprooted along Stately Avenue with another smaller tree and branches sheared off toward the back end of Poplar Avenue. This damage coincides with tightening rotation that was indicated on the KLWX radar around 7:55 PM EDT. By 7:57 PM, radar picked up a tornado debris signature as the storm moved northwest along Potomac Run toward Hartwood Road. Several medium to large trees were uprooted, branches sheared off, or otherwise damaged between the 1600 block of Hartwood Road and Park Farm Lane. One tree fell onto a structure in this location, but no other structural damage nor casualties were reported. The tornado continued to strengthen as it continued north- northwest toward the Sullivan Estates subdivision a half mile west of Heflin, VA. This is where the most noteworthy damage as found which coincides with the strongest tornado debris signature on radar between 7:58 PM EDT and 8:00 PM EDT. Several medium to large trees were uprooted, branches sheared off, or otherwise damaged in this area. The worst damage was back along the 300 block of Kingdom Drive where multiple large trees were either snapped mid way or uprooted in a convergent pattern, including one tree that fell onto a residence and damaged both the roof and garage. Luckily no injuries were reported although damage was observed to both the roof and garage of the structure. Additional small to medium sized trees were uprooted or snapped along the 100 block of Castlebar and Ireland Drive. This is where the tornado debris signature weakened. The tornado lifted near the intersection of Castlebar Drive and Ireland Drive. The National Weather Service would like to thank the citizens of western Stafford County, VA for their help and support in conducting this survey, and providing storm damage reports to the National Weather Service. The National Weather Service would also like to thank the Stafford County Office of Emergency Management for their assistance in this survey. .Willisville VA Tornado... Rating: EF-1 Estimated Peak Wind: 100 mph Path Length /statute/: 4.7 miles Path Width /maximum/: 100 yards Fatalities: 0 Injuries: 0 Start Date: August 08 2024 Start Time: 9:19 PM EDT Start Location: 1 N Willisville / Loudoun County / VA Start Lat/Lon: 39.0202 / -77.8310 End Date: August 08 2024 End Time: 9:30 PM EDT End Location: 5 SW Bluemont / Clarke County / VA End Lat/Lon: 39.0662 / -77.8970 Survey Summary: National Weather Service Baltimore/Washington Weather Forecast Office staff conducted a ground survey of storm damage in western Loudoun County, VA, into far eastern Clarke County, VA, that occurred on Thursday evening, August 8, 2024. NWS Doppler Radar in Sterling, Virginia showed a rotating severe thunderstorm that developed a tornado. The tornado touched down north of Willisville where scattered tree damage in the form of downed and sheared off branches were observed. The tornado traveled west-northwest through the fields of horse farms along Foxlease Lane before producing additional tree damage along Newstead Lane. Several dozen trees were uprooted, branches sheared off, or otherwise damaged in this area. No damage to buildings or barns was noted. The tornado then continued moving west-northwest into rural farmland with sporadic tree damage. By the time the tornado approached Trappe Road, the damage became more concentrated. Considerable tree damage was observed to the farmsteads east and west Trappe Road. Multiple tree lines had trees sheared off at the top. The most widespread damage was to wooded areas along the eastern facing slopes of the Blue Ridge. The hillside had approximately a hundred yard wide stretch of damage moving the entire way up the ridge. In this area, several hundreds of trees were visibly sheared at the top, uprooted, or otherwise damaged. The resulting downed trees were laying in every direction. As the tornado continued further west towards the top of the Blue Ridge, additional tree damage was observed in the vicinity of Blue Ridge Mountain Road and Morgans Mill Road where approximately two dozen trees were uprooted and others sustained branch damage. The tornado then dissipated as it moved westward into Clarke County, VA. The National Weather Service would like to thank the citizens of western Loudoun County, VA and eastern Clarke County, VA for their help and support in conducting this survey, and providing storm damage reports to the National Weather Service. The National Weather Service would also like to thank the Loudoun County Office of Emergency Management and Clarke County Fire, EMS, and Emergency Management Department. .Hedgesville WV Tornado... Rating: EF-0 Estimated Peak Wind: 80 mph Path Length /statute/: 0.5 miles Path Width /maximum/: 150 yards Fatalities: 0 Injuries: 0 Start Date: August 8 2024 Start Time: 11:50 PM EDT Start Location: Hedgesville / Berkeley County / WV Start Lat/Lon: 39.551 / -78.111 End Date: August 8 2024 End Time: 11:52 PM EDT End Location: Hedgesville / Berkeley County / WV End Lat/Lon: 39.557 / -78.116 Survey Summary: Berkeley County WV Emergency Management and the National Weather Service Baltimore/Washington Forecast Office conducted a survey of storm damage that occurred near Hedgesville in Berkeley County West Virginia on Thursday night, August 08, 2024. NWS Doppler Weather Radar in Sterling, Virginia showed a rotating thunderstorm that developed a tornado based on this survey. The damage was first noticed at 11:50 PM EDT around at the intersection of Wampum Lane and Lodge Road where a large tree was uprooted and branches were snapped. The tornado continued on a path to the northeast where most of the damage was concentrated on Brumbaugh Lane at 11:51 PM EDT. Several trees were uprooted and a few trees were snapped about midway up. Numerous large branches were down across the area as well. The direction of the damage appeared to be chaotic. The last noted damage was along the 200 block of Mound Builder Loop where several trees were uprooted and one snapped. The National Weather Service Baltimore/Washington Forecast Office would like to thank the Berkeley County Office of Emergency Management for providing helpful information and assisting in the survey today.
&& EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.........65 to 85 mph EF1.........86 to 110 mph EF2.........111 to 135 mph EF3.........136 to 165 mph EF4.........166 to 200 mph EF5.........>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the event and publication in NWS Storm Data.