National Weather Service United States Department of Commerce

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

A Few Funnel Clouds Across the Western Chicago Metro Tuesday Evening, June 24, 2014

 

Glen Ellyn

Oak Brook

Glen Ellyn around 6 pm. Photo courtesy of Norm Ramil.

Oak Brook around 6:15.  Photo courtesy of Annie Marie.

 

 

 

ORD Terminal Doppler Weather Radar 1.8° Loop from ~5:30 pm - 6:45 pm

Radar Loop

Note multiple elongated boundaries that intersect and storms that develop on these.  The updrafts of these developing storms stretched pre-existing low-level "spin" and helped produce the funnel clouds.

 

 

ORD Terminal Doppler Weather Radar 1.8° Storm-Relative Motion indicating rotation near the cloud base level

Radar

Note multiple elongated boundaries that intersect and storms that develop on these.  The updrafts of these developing storms stretched pre-existing low-level "spin" and helped produce the funnel clouds.

 

 

Setup