Jun 29, 2013 1300 UTC Day 1 Convective Outlook

DAY 1 CONVECTIVE OUTLOOK  

   NWS STORM PREDICTION CENTER NORMAN OK
   0742 AM CDT SAT JUN 29 2013

   VALID 291300Z - 301200Z

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF THE CNTRL HIGH
   PLNS...

   ...THERE IS A SLGT RISK OF SVR TSTMS OVER PARTS OF NEW ENGLAND...

   ...SYNOPSIS...
   AMPLIFIED WRN RIDGE/ERN TROUGH PATTERN WILL PERSIST THROUGH SUN.
   A SHORTWAVE TROUGH NOW NEARING THE WA/ORE CST WILL CONTINUE NE INTO
   BC LATER TODAY...WHILE A SERIES OF DISTURBANCES OVER THE UPR MS VLY
   ADVANCE SE INTO THE MID MS/LWR OH VLYS...FURTHER AMPLIFYING ERN
   TROUGH.

   AT LWR LVLS...A BROAD AREA OF CYCLONIC FLOW...WITH SEVERAL WEAK
   FRONTAL SURGES...WILL PREVAIL FROM NEW ENGLAND AND THE LWR GRT LKS
   REGION SW INTO THE LWR MS VLY. WEAK UPSLOPE FLOW ON THE WRN FRINGE
   OF THIS CIRCULATION WILL IMPACT THE CNTRL HIGH PLNS. STRONG TO
   LOCALLY SVR AFTN/EVE TSTMS COULD ACCOMPANY THE UPSLOPE FLOW IN THE
   HIGH PLNS...AND THE FRONTAL SURGES OVER PARTS OF THE EAST AND SOUTH.