Here’s the latest from NWS Norman on the Newcastle/Moore tornado event…
Overview: The National Weather Service dispatched four damage survey teams to the path of the Newcastle/Moore OK tornado. New statements will be
issued throughout the day as these teams report findings. This information remains preliminary and the information here could change.
Estimated peak wind: 210 mph
Path length: 17 miles
Path width-maximum: 1.3 miles (will change with further surveys)
Fatalities: N/A (still being finalized)
Injuries: N/A (still being finalized)
Start date: May 20 2013
Start time: 2:45 PM CDT
Start location: 4.4 W Newcastle, OK (Grady County, OK)
Start lat/lon: 35.2580 / -97.6775
End date: May 20 2013
End time: 3:35 PM CDT
End location: 4.8 E of Moore, OK (Cleveland County, OK)
End lat/lon: 35.3409 / -97.4007
Survey summary: four survey teams continue to survey this long track tornado. Initial damage was found around 4.4 miles west of Newcastle, South of Tecumseh Road also known as NW 16th street and East Lake
Road. The tornado tracked NE to the Interstate 44 bridge over the Canadian river and then took a more eastward track through Moore. Tornado damage abruptly ends 0.3 miles East of Air Depot Road and N of SE 134th St.
Initially producing EF0 and EF1 damage the storm intensified very rapidly in 4 miles producing EF4 damage before reaching Interstate 44. Mostly EF4 damage but pockets of EF5 has been found in Moore.
First pocket of EF5 was confirmed to be near and at Briarwood Elementary School near SW 149th St between Western Ave and Santa Fe.
Additional information such as maximum path width will be updated
as the teams complete their surveys.
Updates will be added as needed to this post.
(3 PM CDT 5/21/2013): Updated to include EF5 upgrade.
(7 PM CDT 5/21/2013): Updated to include track photo.