Denver (AP) - The National Weather Service issued a tornado warning for parts of three counties Thursday after radar indicated a severe thunderstorm capable of producing a funnel cloud.

It was the fifth day in a row for severe weather along Colorado's Front Range.

The weather service advised residents to take cover in areas including south-central Aurora, Castle Rock, Elizabeth, Franktown and Parker. The warning covers western Arapahoe County, eastern Douglas County and northwestern Elbert County.

There were no immediate reports of confirmed tornadoes or damage.

The National Weather Service also said one-inch diameter hail could be expected.
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