* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 110 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES POSSIBLE NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 4 INCHES IN DIAMETER POSSIBLE NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY DISCUSSION...RAPID INTENSE STORM DEVELOPMENT IS EXPECTED DURING THE NEXT FEW HOURS...BOTH NEAR A STALLED SURFACE FRONT ROUGHLY WEST OF THE I-35 CORRIDOR...AND NEAR THE PRE-FRONTAL DRYLINE NOSING NORTHEASTWARD INTO SOUTH CENTRAL OKLAHOMA BY LATE AFTERNOON. ISOLATED SUPERCELLS ARE LIKELY ALONG THE DRYLINE...WITH THE MOST PROMINENT TORNADO THREAT...WHICH PROBABLY WILL INCREASE BY EARLY EVENING AS THE SOUTHERLY LOW-LEVEL JET STRENGTHENS AND ENLARGES LOW-LEVEL HODOGRAPHS. ONE OR TWO STRONG TORNADOES MAY NOT BE OUT OF THE QUESTION. OTHERWISE...LARGE HAIL IS LIKELY...SOME VERY LARGE... WITH INCREASING DAMAGING WIND POTENTIAL ACROSS EASTERN OKLAHOMA AS CONVECTION CONSOLIDATES AND EVOLVES INTO AN ORGANIZED CLUSTER. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 25035. ...KERR