ZCZC SPCSWOMCD ALL ACUS11 KWNS 090048 SPC MCD 090048 WIZ000-MNZ000-090215- MESOSCALE DISCUSSION 0530 NWS STORM PREDICTION CENTER NORMAN OK 0748 PM CDT THU MAY 08 2014 AREAS AFFECTED...CENTRAL MN/NWRN AND WEST CENTRAL WI CONCERNING...SEVERE THUNDERSTORM WATCH 131... VALID 090048Z - 090215Z THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 131 CONTINUES. SUMMARY...THE STRONGEST STORMS WITH A POTENTIAL TO BECOME SEVERE ARE EXPECTED TO REMAIN LOCATED IN VICINITY...AND JUST NORTH...OF THE SLOW POLEWARD MOVING WARM FRONT ACROSS SRN INTO S-CENTRAL MN AND WEST CENTRAL-NWRN WI. WEAKER INSTABILITY WELL NORTH OF THE WARM FRONT INTO W-CENTRAL TO CENTRAL MN FROM STEVENS COUNTY TO NRN CASS COUNTY SHOULD CONTINUE TO LIMIT A SEVERE WEATHER THREAT ACROSS WRN PORTIONS OF WW 131. EVENTUAL DECREASE IN AVAILABLE INSTABILITY AFTER SUNSET SUGGESTS A NEW WW MAY NOT BE WARRANTED...BUT CONVECTIVE TRENDS WILL BE MONITORED. DISCUSSION...HEIGHT FALLS ARE EXPECTED THROUGH THE EVENING ACROSS THE UPPER MS VALLEY AS A SHORTWAVE TROUGH LIFTS NNEWD THROUGH ERN SD/WRN MN. THIS COMBINED WITH LOW-LEVEL WAA INVOF THE POLEWARD-MOVING WARM FRONT TOWARD THE TWIN CITIES METRO AND WEST CENTRAL WI SHOULD AID IN FURTHER TSTM DEVELOPMENT THIS EVENING NEAR AND JUST NORTH OF THE WARM FRONT. THE ENVIRONMENT NEAR THE WARM FRONT REMAINS MODERATELY UNSTABLE AND SUFFICIENTLY SHEARED FOR SUSTAINED STRONGER STORMS...BUT ACTIVITY WILL CONTINUE TO DECREASE WELL NORTH OF THE FRONT WHERE INSTABILITY IS MORE MARGINAL. GIVEN THE NEWD TRACK OF THE SURFACE LOW...AND THE AFOREMENTIONED HEIGHT FALLS...THE MIDDLE AND ERN PORTIONS OF THIS WATCH WILL CONTINUE TO HAVE A SEVERE WEATHER THREAT ESPECIALLY WITH ANY STORMS FORMING NEAR THE WARM FRONT AND PRIOR TO THEIR WEAKENING WELL NORTH OF THIS BOUNDARY. ..PETERS.. 05/09/2014 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...DLH...ARX...MPX...FGF... LAT...LON 45769501 45919496 46229482 46879465 46979401 46819322 46769283 46689242 46599211 46729177 46999068 46159078 44629038 44419049 43979074 43839171 43969224 44149256 44419237 44799279 45339281 45249448 45479489 45769501 NNNN