4 September Tornado strong EF1 in Montgomery County

(click on images to enlarge)

 

Sunday afternoon a tornado touched down near the town of Florida in Montgomery County. It moved northeast to the western end of Glenville in Schenectady County. The damage path was approximately half a mile wide and about 7 miles long. Damage was extensive along the entire path length, with the worst damage in the town of Cranesville. Damage included numerous trees snapped off and uprooted, broken windows to homes, shingles stripped off roof tops and some houses had parts of their roofs torn off. Numerous sheds and out buildings were destroyed.

 

 

Above: Soundings at 12Z 4 September from Albany, NY (left), Buffalo, NY (left center), Upton, NY (right center), and Pittsburg, PA (right). There was considerable instability at all sites except Buffalo, although vertical wind shear was not very impressive.

 

 

Above: Soundings at 00Z 5 September from Albany, NY (left), Upton, NY (center), and Pittsburg, PA (right). There was considerable instability at Albany and Upton and vertical wind shear was still not very impressive.

 

 

Above: Upper air observations from 00Z 5 September at 250 hPa, 500 hPa and 850 hPa. Note the northeastern U.S. in the right entrance region of the upper jet at 250 hPa, and a relatively strong, amplified upper system at 500 hPa and 850 hPa.

 

 

Above: Radar reflectivity (left) and storm relative velocity (right) from KENX at 2123Z 4 September showing the rotating thunderstorm producing the tornado.

 

 

Above: Loops of radar reflectivity and storm relative velocity on 4 September.

 

 

 

 

 

Above: Pictures of damage.