here are the current watches (hot zones) with radar maps and info
http://www.spc.noaa.gov/products/watch/
Noticed this at the other link you gave:
HANGER AT MEMPHIS INTERNATIONAL AIRPORT. PLANES WERE MOVED. AIRSTAIRS MOVED 100 YARDS. MOVED A 737 AIRPLANE A FOOT.
ROOF DAMAGE AT FEDEX FIRE STATION AT MEMPHIS INTERNATIONAL AIRPORT. 73 KT GUST REPORTED BY WIND SENSOR.