36 tornadoes touched down during Tropical Storm Isaias

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DODGE CITY, KS – MAY 24: A tornado is seen South of Dodge City, Kansas moving North on May 24, 2016 in Dodge City, Kansas. About 30 tornadoes were reported on Tuesday in five different states from Michigan to Texas. Damage to homes and property was also reported in Ford County, Kansas. (Photo by Brian Davidson/Getty Images)

National Weather Service meteorologists were deployed along the east coast following the destruction of Tropical Storm Isaias.

A survey team’s mission is to gather data in order to reconstruct a tornado’s life cycle, including where it occurred, when and where it initially touched down and lifted (path length), its width, and its magnitude. Survey reports have flooded in following the storm with numbers racking up to three dozen confirmed tornadoes!

Plot of tornado warnings issued Tuesday, August 4, 2020 from Tropical Storm Isaias

Below is the breakdown of how many tornadoes were confirmed in each state and what they were rated on The Enhanced Fujita Scale.

Connecticut1
Pennsylvania2
New Jersey2
Delaware2
Maryland9
Virginia7
North Carolina12
South Carolina1
Number of tornadoes that occurred in each state due to Tropical Storm Isaias
National Weather Service
EF-011
EF-118
EF-26
EF-31
Number of tornadoes that occurred on August 4, 2020 at various magnitudes on The Enhanced Fujita Scale

Another EF-1 tornado from Piney Point to Callaway in St. Marys, County MD (5.3 mile track) was added to the list.

The 29.2 mile tornado path across Kent and New Castle counties is the longest tornado track ever recorded in Delaware. It blasts away Delaware’s previous record tornado length of 13 miles that occurred in 1988!

It certainly has been an active tornado year across the region compared to average (see figure).

So far, the tornado count by state for 2020 includes 5 in Pennsylvania, 3 in New Jersey, 14 in Maryland and 3 in Delaware.

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