Western Mineral Severe Watches & Warnings NOAA Weather Radio

Public Information Statement
Statement as of 6:04 PM EDT on October 20, 2014

...Tornado confirmed near Alexandria in eastern Fairfax County County Virginia...

Location...eastern Fairfax County and the city of Alexandria Virginia date...October 15 2014 estimated time...12:23 PM to 12:26 PM EDT maximum ef-scale rating...EF-0 estimated maximum wind speed...55-65 mph maximum path width...75 yards path length...1.5 miles beginning lat/Lon...38.780n/77.060w ending lat/Lon...38.801n/77.049w * fatalities...none * injuries...none

* the information in this statement is preliminary and subject to change pending final review of the event(s) and publication in NWS storm data.

...Summary... the National Weather Service in Baltimore MD/Washington DC has confirmed a tornado in eastern Fairfax County and the city of Alexandria Virginia on October 15 2014.

After a review of radar observations...public...and broadcast media reports...the National Weather Service in Baltimore MD/Washington DC has confirmed that on Wednesday afternoon October 15 2014...an EF-0 tornado touched down near Belle Haven in eastern Fairfax County Virginia and continued north on an approximate 1.5 mile intermittent damage path to the city of Alexandria before dissipating.

This review is based on corroborating evidence of observed damage locations and rotational velocity Couplets from the federal aviation administrations terminal Doppler weather radars at Washington Reagan National Airport and joint base Andrews...along with National Weather Service klwx WSR-88D radar in Sterling VA. The tornado is estimated to have touched down at 12:23 PM...where there was a tree down near the intersection of Hunt Road and Belle Haven Road. The tornado continued north across the Belle Haven Country Club where more large tree limbs were snapped. The tornado likely lifted across Interstate 495 where it crosses over the George Washington Parkway...where large tree branches were downed. Several more large tree branches were snapped in the adjacent neighborhood to the north before the radar couplet signature weakened after 12:26 PM.

These type of low-end EF-0 tornadoes are common to quasi-linear convective system environments...which was present on this day.

For reference...the Enhanced Fujita scale classifies tornadoes into the following categories:

EF0...wind speeds 65 to 85 mph. EF1...wind speeds 86 to 110 mph. EF2...wind speeds 111 to 135 mph. EF3...wind speeds 136 to 165 mph. EF4...wind speeds 166 to 200 mph. EF5...wind speeds greater than 200 mph.

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