04/13/2012 05:39 pm ET Updated May 20, 2013

Norman, Oklahoma Tornado 2012: Strong Storm Hits Central Oklahoma (LIVE UPDATES)

At least one tornado was on the ground in Norman, Oklahoma on Friday evening, part of a severe storm system passing through the Oklahoma City metropolitan area, The Weather Channel reports.

The city of Norman, Oklahoma (population 110,000), just outside of Oklahoma City, was in the tornado's path.

The Associated Press reported on the Norman, Oklahoma tornado: "Forecaster Daryl Williams says the twister touched down shortly after 4 p.m. Friday near State Highway 9 and near the University of Oklahoma campus. He says there were no immediate reports of injuries or damage. The tornado was part of powerful storm system that is expected to rumble through the nation's midsection over the weekend."

The Weather Channel tweeted that the tornado was moving through Norman at 4:13 p.m. local time. It added that the twister was headed toward the local National Weather Center:

Among the places under threat from the tornado: Oklahoma University's Norman campus. The school's Facebook page posted this update: "Severe weather moving through Norman and Metro area. Follow @OUweather or check NewsOK.com."

According to @OUWeather, "Confirmed tornado heading towards te southern end of campus. Take cover now."

Check out the live updates below:

04/13/2012 10:06 PM EDT

Minor Injuries Reported In Norman

@ AntDeRosa :

RT @stormchaser4850: Update: Norman, OK Regional Hospital is reporting 11 people with minor injuries due to the earlier tornado via @OKCFOX

04/13/2012 10:05 PM EDT

Thousands Without Power

@ BreakingNews :

Update: Thousands of customers without power in Oklahoma; tornado causes damage in Norman - @NewsOK http://t.co/wTSTESLY

04/13/2012 7:18 PM EDT

Likely Tornado Near Blair

@ wunderground :

A tornado is likely on the ground near Blair in Jackson County, OK. Take cover now!

04/13/2012 6:15 PM EDT

Oklahoma City Area Clearing Up

@ USWeatherExpert :

Storm over. OKC metro. We are headed to NW OK for evening development http://t.co/zPiDUO0N

04/13/2012 6:12 PM EDT

Report On The Ground

Per HuffPost commenter PurpleTomato:

“I've lived in Oklahoma most of my 58 years and this is the first time i've been in a tornado.I watched as electric poles broke in half next to my vehicle and dropped hot lines at eye level right in my path at the intersection of Lindsay and 24th in Norman just north of Highway 9.It was quite an interesting drive home.I saw a lot of damage."

04/13/2012 6:07 PM EDT

New Warning Issued

@ Ala_StormChaser :

New Warning OUN issues Tornado Warning for Pottawatomie [OK] till 5:30 PM CDT #okwx

04/13/2012 6:03 PM EDT

Latest Warnings

The National Weather Service has issued warnings for parts of Oklahoma. At 4:46 p.m. Central Time, meteorologists detected "a severe thunderstorm capable of producing half dollar size hail and damaging winds in excess of 60MPH." They advise people in the area to move inside a sturdy building until the storm has passed.

04/13/2012 5:57 PM EDT

Storm Damage From Helicopter

KFOR chopper shows tornado damage in Norman, OK (via @weatherchannel)

From KFOR chopper: some tornado damage in Norman, Okla. on Twitpic

04/13/2012 5:56 PM EDT

'Just Survived A Tornado'

Twitter user @OhJenTucker of Norman, Oklahoma posted this tweet with a photo from her iPhone following the storm.

@ OhJenTucker :

Just survived a tornado hitting our house http://t.co/8cXrVNGs

Just survived a tornado hitting our house  on Twitpic

04/13/2012 5:53 PM EDT

Severe Weather Warning Issued

@ altusem :

OUN issues Severe Thunderstorm Warning for Greer, Harmon, Jackson [OK] till 5:45 PM CDT #AltusOK #okwx