Issued by NWS Bismarck, ND
000 FXUS63 KBIS 062040 AFDBIS AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 240 PM CST THU NOV 6 2008 .SHORT TERM...TONIGHT THROUGH SUNDAY NIGHT UPPER LEVEL LOW ENTERING WESTERN IOWA CONTINUES TO MOVE SLOWLY EASTWARD. WRAP AROUND PRECIPITATION IS OCCURRING OVER MOST OF THE FA EXCEPT FOR OUR EXTREME WESTERN COUNTIES. THE RAIN HAS CHANGED OVER TO ALL SNOW IN THE EASTERN ZONES AND ADDITIONAL SNOW ACCUMULATIONS OF SIX TO TEN INCHES ARE POSSIBLE THROUGH CENTRAL NORTH DAKOTA INTO FRIDAY MORNING. TIGHT PRESSURE GRADIENT WILL KEEP SURFACE WINDS STRONG OUT OF THE NORTH AT 30 MPH WITH GUSTS NEARING 50 MPH AT TIMES OVER THIS SAME AREA WILL PRODUCE BLIZZARD CONDITIONS INTO FRIDAY MORNING. AS THE VERTICALLY STACKED LOW CONTINUES TO MOVE TO THE EAST...WINDS WILL RELAX SOME ALONG WITH PARTIAL CLEARING FOR AREAS WEST OF BIS. AREAS FROM BIS TO JMS WILL CONTINUE TO SEE PERIODS OF SNOW AND STRONG WINDS DIMINISHING FROM WEST TO EAST DURING THE DAY ON FRIDAY. LARGE TROUGH EAST OF THE MISSISSIPPI RIVER AND A SHORTWAVE ENTERING THE PACIFIC NORTHWEST WILL GIVE US A RESPITE FROM THE SNOW AND WIND FOR SATURDAY AND SUNDAY AS CLEAR TO PARTLY CLOUDY SKIES AND COLDER THAN NORMAL TEMPERATURES PREVAIL FOR THE UPCOMING WEEKEND. .LONG TERM...MONDAY THROUGH THURSDAY THE UPPER LEVEL JET REMAINS WELL SOUTH OF THE FORECAST AREA THROUGH THE EARLY PART OF THE EXTENDED FORECAST KEEPING THE FLOW ALOFT WEEK. A STRONGER SHORT WAVE WILL MOVE INTO THE AREA BEGINNING WEDNESDAY AND SHOULD BE ENOUGH DYNAMICS TO BRING A SLIGHT CHANCE OF PRECIP TO THE AREA WEDNESDAY AND THURSDAY. TEMPERATURES WILL TREND AT OR A LITTLE BELOW NORMAL THROUGH THE PERIOD. && .AVIATION...IFR DUE TO SNOW...WIND...AND LOW CEILINGS CAN BE EXPECTED ACROSS THE STATE THROUGH THE NIGHT. && .BIS WATCHES/WARNINGS/ADVISORIES... BLIZZARD WARNING UNTIL 6 AM CST /5 AM MST/ FRIDAY FOR NDZ019>022- 034-035-042-045-046. WINTER STORM WARNING UNTIL 6 AM CST FRIDAY FOR NDZ003>005- 011>013. WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR NDZ002- 010-023-025-036-037-047-048-050-051. BLIZZARD WARNING FROM 6 PM THIS EVENING TO 6 AM CST FRIDAY FOR NDZ023-025-036-037-047-048-050-051. BLIZZARD WARNING UNTIL 11 PM MST THIS EVENING FOR NDZ033-041-044. BLIZZARD WARNING UNTIL 6 PM CST /5 PM MST/ THIS AFTERNOON FOR NDZ018-040-043. && $$ TSW/RL
