RSS FeedsIssued by NWS Pocatello, ID
000 FXUS65 KPIH 251027 AFDPIH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE POCATELLO ID 327 AM MST WED NOV 25 2009 .SHORT TERM...TODAY THROUGH FRIDAY NIGHT. THE UPPER RIDGE WILL CONTINUE TO DOMINATE THE WEATHER PATTERN THROUGH THURSDAY NIGHT AHEAD OF THE NEXT BUILDING SYSTEM IN THE PACIFIC. WHILE CONDITIONS ARE EXPECTED TO REMAIN DRY UNDER CLEAR SKIES...VALLEY TEMPERATURES WILL REMAIN CAPPED BELOW NORMALS WITH AN INVERSION IN PLACE TODAY AND THURSDAY. IN ADDITION...PATCHY FOG AND LOW STRATUS IN THE UPPER SNAKE VALLEY WILL STICK AROUND THIS MORNING AND TONIGHT. THE NEXT SYSTEM ARRIVES AT OUR EASTERN BORDER EARLY FRIDAY AND SPREADS ACROSS THE FORECAST AREA BY FRIDAY AFTERNOON. MODELS ARE STILL A BIT INCONSISTENT ON THE STRENGTH OF THIS SYSTEM...HOWEVER THE TREND IS TOWARDS A SPLITTING SYSTEM WITH MINOR PRECIPITATION EXPECTED. BEST POTENTIAL FOR SNOW SHOWERS WILL BE IN THE CENTRAL MOUNTAINS AND HIGHLANDS FRIDAY AND FRIDAY NIGHT BEFORE THE STORM FALLS APART AND EXITS TO THE EAST. WINDS PICK UP ON FRIDAY AND FRIDAY NIGHT...ESPECIALLY IN THE SNAKE PLAIN HOWEVER DO NOT EXPECT ADVISORY LEVEL WINDS AT THIS TIME. HANKO .LONG TERM...SATURDAY THROUGH WEDNESDAY. GFS AND EUROPEAN BOTH SHOW A SECONDARY SYSTEM COMING THROUGH THE REGION ON SATURDAY. THE GFS CARRIES QUITE A BIT MORE MOISTURE WITH IT THAN THE EUROPEAN. KEPT THE ONGOING FORECAST THE SAME WHICH IS MORE OR LESS A COMPROMISE OF THE TWO MODELS. THIS KEEPS A CHANCE OF SNOW IN THE VALLEYS AND SNOW LIKELY IN THE MOUNTAINS. HIGH PRESSURE THEN BUILDS ACROSS THE AREA THROUGH TUESDAY WHEN A SHORTWAVE TROUGH IS EXPECTED TO PASS THROUGH. THE EUROPEAN IS A LITTLE DEEPER WITH THE SYSTEM THAN THE GFS AND HAS A LITTLE MORE PRECIPITATION THAN THE GFS. AT THIS POINT...AM CONTINUING TO CONFINE SNOW CHANCES FOR THE MOUNTAINS. LOOKS LIKE HIGH PRESSURE BUILDS BACK IN FOR WEDNESDAY. TEMPS LOOK TO BE BELOW NORMAL DURING THIS TIME. && .AVIATION...SOME LIFR FOG REMAINS POSSIBLE AT KIDA BRIEFLY THIS MORNING DUE TO THE RECENT SNOWFALL. OTHERWISE...EXPECT LIGHT WINDS UNDER HIGH PRESSURE AND VFR CONDITIONS. && .PIH WATCHES/WARNINGS/ADVISORIES... NONE. && $$
