DALLAS (May 25, 2011)--Storms that blew through North Texas and generated funnel clouds left thousands of people without electricity and a police officer who was struck by lightning hurt.

Oncor early Wednesday reported more than 39,000 customers without power in the Dallas-Fort Worth area.

Utility spokeswoman Ashley Burton says crews made significant progress overnight, after nearly 70,000 customers lost electricity in Tuesday night's storms, accompanied by tornado warnings and hail the size of tennis balls.

Irving police say an officer was hospitalized in good condition Wednesday after he was struck by lightning while placing flares in a
road.

The name of the officer was not immediately released.

Hail and wind damage in Watauga, Argyle, Azle and Denton included windows broken out of vehicles and some lost roofs.

About 10,000 passengers were stranded at Dallas-Fort Worth International Airport after strong storms packing hail grounded some flights.

Airport spokesman David Magana says flight operations were
returning to normal Wednesday.

Carriers examined aircraft for possible damage from golf ball-size hail.

Magana says about 90 flights were canceled Wednesday morning, after about 200 departures were canceled Tuesday night.

He says cots were made available to passengers who flights were canceled or diverted.

Concession areas also stayed open throughout the night.

Jose Torres, a spokesman for Dallas Love Field, told The
Associated Press that flight operations were suspended for about
two hours Tuesday night. Operations were returning to normal
Wednesday.

Southwest Airlines spokesman Brad Hawkins says eight planes in
Dallas suffered hail damage, which could lead to flight delays or
cancellations.