ZCZC SPCSWOMCD ALL ACUS11 KWNS 300321 SPC MCD 300321 NEZ000-KSZ000-300415- MESOSCALE DISCUSSION 0336 NWS STORM PREDICTION CENTER NORMAN OK 1021 PM CDT FRI MAR 29 2013 AREAS AFFECTED...S-CNTRL NEB / NW AND N-CNTRL KS CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY VALID 300321Z - 300415Z PROBABILITY OF WATCH ISSUANCE...5 PERCENT SUMMARY...ISOLATED OCCURRENCES OF MARGINALLY SEVERE HAIL REMAIN POSSIBLE THROUGH 0400-0430Z BEFORE ONGOING STORMS DECREASE IN INTENSITY. DISCUSSION...AS OF 03Z...REGIONAL RADAR IMAGERY SHOWED A BAND OF STRONG TO SEVERE TSTMS FROM BUFFALO...KEARNEY...AND PHELPS COUNTIES IN NEB TO SHERIDAN COUNTY IN NWRN KS WITH A GENERAL STORM MOTION OF 285/25-30 KT. HAIL UP TO 1.0-1.5 INCHES IN DIAMETER HAS BEEN REPORTED WITH THE STRONGEST STORMS OVER THE PAST HOUR AND A SIMILAR THREAT SHOULD CONTINUE THROUGH ABOUT 0400-0430Z. DOWNSTREAM SURFACE OBSERVATIONS INDICATE THAT TEMPERATURES HAVE NOW COOLED INTO THE UPPER 50S WITH DEWPOINTS IN THE MID TO UPPER 40S. EXPECT THE CONTINUED COOLING OF THE BOUNDARY LAYER TO RESULT IN A STEADY ACCUMULATION OF CONVECTIVE INHIBITION AND A DECREASE IN PARCEL BUOYANCY. AS SUCH...EXPECT THE ONGOING SEVERE WEATHER THREAT TO DIMINISH WITHIN THE NEXT 1-2 HOURS. ..MEAD.. 03/30/2013 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...ICT...GID...DDC...GLD... LAT...LON 39200043 39759974 40209943 40589912 40769825 40309798 39879805 39469822 39139868 38889912 38829962 38990023 39200043 NNNN