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Displaying AFOS PIL: SFDBIS Product Timestamp: 1996-05-17 15:09 UTC
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000 TTAA00 KBIS 171509 NORTH DAKOTA STATE FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 1010 AM CDT THU MAY 16 1996 H500 SOUTHWEST FLOW OVER STA TODAY WITH A FEW SHORT WAVES IN THE FLOW. VORT MAX NE OF PEMBINA TO MOVE WELL OFF TO THE NORTHEAST. VORT IN EXT WRN NE/NERN CO TO MOVE TO ERN SD BY 00Z SPREADING PVA ACROSS SERN ND TODAY. ANOTHER VORT IN EXT SWRN SASK TO MOVE TOWARDS NWRN CORNER OF ND SPREADING PVA TO THE NWRN PORTION OF THE STA. LIS ARE POSITIVE AT GGW AND UNR. CONVECTIVE TEMP AT UNR IS 86 WITH POSITIVE ENERGY...BUT SOUNDING SUGGESTS VERY HIGH-BASED ACTIVITY. NEGATIVE LIS AT BIS...-3 AND -5 AT ABR. MAIN SFC LOW IN ERN SD WITH AN INVERTED TROF EXTENDING NWD...AND IS WEST OF RED RIVER VALLEY. ANOTHER LOW EAST OF BIS WITH A TROF EXTENDING W-NW TO ISN AND SRN SASK. SFC DWPTS IN THE 60S OVER SERN ND ATTM. ALL IN ALL...LIKE PCNT CHCS TSTMS IN PREV FCST. WL ADD SVR WORDING FOR JMS AS IS ALREADY IN FOR DVL...FAR...AND GFK. TEMPS WILL BE LAST MI(NUTE CHANGES. .BIS...NONE VINING