Incredible Squall line cell across USA
A Beautiful trough is dangling across south central USA.
The squall line is right from texas to the lake area.
Instabilities in the upper atmosphere are less.
SUBSTANTIAL /40+ KT/ LOW LVL SPEED AND DIRECTIONAL SHEAR WILL EXISTNEAR TRACK OF OZARKS SFC LOW...ESPECIALLY FROM ERN OK ENE INTO NRNAR/SE MO THIS AFTN...AND ENE INTO SRN IL/IND A BIT LATER THIS EVE. ALONG THIS AXIS...TRAINING SUPERCELL STORMS MAY PERSIST FOR ACONSIDERABLE PERIOD OF TIME...POSING A RISK FOR TORNADOES AND/ORDMGG WINDS THIS AFTN INTO LATE TONIGHT AND POSSIBLY EARLY FRI.
AS later in day, The Upper level jet will show negligence to the southern proviences and will flow towards east. Features will be good but there will be be few low level jets and the instability with moisture will be less.
The above note for 48hrs+
People around eastern Oklahoma into northern Arkansas, southern Missouri, western Kentucky and southern Illinois should take note of the weather