999 FXUS65 KTFX 100927 AFDTFX SOUTHWEST AND NORTH CENTRAL MONTANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 300 AM MDT SAT APR 10 1999 WX ACROSS CWA CALMING DOWN. UPR LOW SPINNING OFF INTO UPR MIDWEST CONTG TO FEED MSTR INTO ERN MT. MDLS INDICATE MOST OF THE ACTION TDA WL TAKE PLACE E OF CWA. WL ALLOW SN ADVSRY TO EXPIRE ACROSS ZNS 11 AND 13 AS CLD TOPS WRM AND A CHECK ARND THE AREA INDICATES NO SGFNT SN FALLING AT THE MOMENT. BOTH ETA AND AVN BRING A WEAK S/WV ACROSS MT E CONTDVD THIS AFTN AND EVE. LI VALUES DROP A BIT THIS TIME FRAME AND WL MENTION LOW POPS MOST AREAS THIS AFTN AS FEATURE COULD DVLP SOME SHWRS. NXT IN SERIES OF UPR LOWS MOVG ONSHR CA LTR TDA AND THIS KICKS UP WEAK H5 RDG OVER WRN MT LTR TDA. AVN MOVS THIS LOW TO SRN NV BY 72 HRS WITH NW-W FLOW RMNG OVER STATE. SFC PRES GRADS RMN TIGHT TDA AS HI PRES BLDS IN FM W SO WL MENTION WINDS IN ZNS. EMANUEL GTF 201 HLN 211 HVR 211