MD 0998 CONCERNING SEVERE POTENTIAL…WATCH POSSIBLE FOR N-CNTRL AND NERN KS / SERN NEB
MESOSCALE DISCUSSION 0998 NWS STORM PREDICTION CENTER NORMAN OK 0316 PM CDT SAT JUN 08 2013 AREAS AFFECTED...N-CNTRL AND NERN KS / SERN NEB CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE VALID 082016Z - 082145Z PROBABILITY OF WATCH ISSUANCE...60 PERCENT SUMMARY...STORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON/EVENING. AN ISOLD LARGE HAIL/SEVERE WIND GUST THREAT MAY ACCOMPANY THE STRONGEST STORMS. DISCUSSION...VISIBLE SATELLITE IMAGERY SHOWS EXTENSIVE MID LEVEL CLOUD COVER OVER A LARGE PART OF N-CNTRL KS NEWD INTO THE MID MO RIVER VALLEY. UPDRAFTS HAVE RECENTLY DEVELOPED INTO A FEW STORMS OVER ROOKS/TREGO COUNTIES KS...EMANATING FROM A FIELD OF ACCAS OVER NWRN KS THAT HAS OVERSPREAD THE WRN EDGE OF SLIGHTLY HIGHER PW E OF A COLD FRONT EXTENDING FROM CNTRL NEB SSWWD INTO W-CNTRL KS. ZONE OF FAVORABLE UPPER FORCING FOR ASCENT IN ASSOCIATION WITH THE LEFT EXIT REGION OF A SPEED MAX MOVING SSEWD INTO THE CNTRL PLAINS WILL GRADUALLY PROVE MORE FAVORABLE FOR ADDITIONAL STORM DEVELOPMENT THIS AFTERNOON AND THIS EVENING. DESPITE DELAYED BOUNDARY LAYER HEATING BECAUSE OF CLOUD COVER...TEMPS HAVE WARMED INTO THE LOWER 80S OVER N-CNTRL KS BUT HAVE REMAINED RELATIVELY COOL FARTHER NE NEAR THE GREATER OMAHA AREA. ISOLD LARGE HAIL/SEVERE WIND GUST THREAT WILL LIKELY BE THE PREDOMINATE THREAT...ALTHOUGH A TORNADO CANNOT BE RULED OUT IF A STORM CAN DEVELOP/MATURE INVOF BACKED LOW LEVEL FLOW NEAR THE NEB/IA BORDER WHERE HODOGRAPHS ARE MORE FAVORABLE. ..SMITH/CORFIDI.. 06/08/2013 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...EAX...OAX...TOP...ICT...GID...DDC... LAT...LON 38599915 40959707 41299573 39919544 38449660 38599915
via SPC Forecast Products http://www.spc.noaa.gov/products/md/md0998.html
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