DAY 1 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0748 PM CDT SAT AUG 06 2016 VALID 070100Z - 071200Z ...THERE IS A MRGL RISK OF SVR TSTMS OVER PORTIONS OF THE NRN HIGH PLAINS... ...THERE IS A MRGL RISK OF SVR TSTMS OVER PORTIONS OF THE SNR/CNTRL HIGH PLAINS... ...THERE IS A MRGL RISK OF SVR TSTMS OVER S-CNTRL VA AND N-CNTRL NC... ...SUMMARY... MARGINALLY SEVERE THUNDERSTORMS ARE POSSIBLE TONIGHT ACROSS PORTIONS OF THE CENTRAL HIGH PLAINS...MID-ATLANTIC...AND NORTHERN HIGH PLAINS. ...01Z UPDATE... ONGOING TSTMS ACROSS THE NRN HIGH PLAINS WILL LIKELY PERSIST FOR ANOTHER FEW HOURS AND...WHILE SOME POTENTIAL FOR MARGINAL HAIL AND GUSTY WINDS EXISTS...THE LACK OF LOW-LEVEL MOISTURE AND RESULTING LOW INSTABILITY SHOULD KEEP ANY SVR POTENTIAL LOW. TSTM CLUSTER ACROSS ERN CO APPEARS TO HAVE BECOME A BIT MORE ORGANIZED WITH MORE FORWARD-PROPAGATION NOTED IN RECENT RADAR IMAGERY. RECENT SURFACE ANALYSIS PLACED A LOW OVER SE CO WITH A DIFFUSE SURFACE TROUGH EXTENDING SEWD INTO CNTRL OK. THE PRESENCE OF THIS BOUNDARY AS WELL AS THE SELY SURFACE WINDS AND SLY LLJ SUGGESTS PERSISTENCE OF THIS LINEAR CONVECTIVE SYSTEM IS PROBABLE...WITH A TREND TOWARDS A MORE SEWD STORM MOTION LIKELY. THE DOWNSTREAM SVR POTENTIAL WILL BE LIMITED BY INCREASING CONVECTIVE INHIBITION BUT A FEW ISOLATED STRONG GUSTS ARE STILL POSSIBLE. A FEW STRONG WIND GUSTS ARE POSSIBLE ACROSS NRN PORTIONS OF THE SRN HIGH PLAINS WHERE TSTMS ARE ONGOING IN A DEEPLY MIXED ENVIRONMENT. FARTHER E ACROSS S-CNTRL VA AND N-CNTRL NC...OUTFLOW-DOMINANT TSTM CLUSTER MOVING ACROSS S-CNTRL VA WILL LIKELY CONTINUE SWD ACROSS THE REGION. MOIST LOW-LEVELS AND MODERATE INSTABILITY WILL CONTINUE TO SUPPORT OCCASIONAL STRONG UPDRAFTS AND WATER-LOADING...RESULTING IN A FEW DAMAGING DOWNBURSTS. ..MOSIER.. 08/07/2016Read more
from SPC Forecast Products http://ift.tt/rxAC6Z
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