Early August Severe Weather Outbreak

Early August Severe Weather Outbreak

A severe weather outbreak in early August, 2023 saw storms stretched from the Midwest to the Deep South to the Northeast US.

Severe thunderstorms brought widespread power outages and extensive damage to the East Coast on August 7. Widespread power outages affected 150,000 people across the region. The storms left two people dead and stalled traffic for hours due to downed power lines.

In Virginia, grapefruit-sized hail measuring 4.75 inches was reported. Six tornadoes damaged numerous structures across southern Indiana. One of which tracked over 25 miles through multiple counties.

Over the five day stretch from August 4 to August 8, 2023, 54  tornadoes were reported. In total, the storms did an estimated $1.7 billion in damage.

The full storm report summary can be found via the Storm Prediction Center.

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Contributions by: Josh Reiter, Allie Seibel and Dakota Smith

Satellite imagery of this event:

Hover over the boxes to play. Click the images to view enlarged

Outflow Boundaries Produced From Collapsing Storms

Description:

The remnant storms of the severe outbreak fell apart during the night, producing outflows beyond the coast.


Satellite: GOES-16

Product: GeoProxy

Storms Bring Severe Winds from Alabama to New York

Description:

Multiple squall lines brought severe winds from the Deep South to the Northeast United States.


Satellite: GOES-16

Product: GeoColor GLM Group Energy Density

Severe Squall Line Slams Mid-Atlantic US

Description:

A line of storms packed with severe wind, marching across the Mid-Atlantic United States.


Satellite: GOES-16

Product: GLM Group Energy Density Visible (band 2)

Severe Warned Storms Trek Across the Mid-Atlantic

Description:

Severe thunderstorms traverse the Mid-Atlantic states, with many producing damaging wind gusts.


Satellite: GOES-16

Product: Visible (band 2)

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