Issued by NWS Grand Junction, CO
000 FNUS75 KGJT 211900 SMFGJT SMOKE MANAGEMENT FORECAST NATIONAL WEATHER SERVICE GRAND JUNCTION CO 100 PM MDT TUE OCT 21 2008 .DISCUSSION...A STRONG COLD FRONT WILL SWEEP SOUTHEAST ACROSS WESTERN COLORADO THIS AFTERNOON AND EARLY EVENING. GUSTY WINDS WILL ACCOMPANY THE FRONT. GRADIENT NORTH WINDS BEHIND THE FRONT WILL KEEP THE ATMOSPHERE MIXED IN MOST AREAS UNTIL AFTER MIDNIGHT. COLDER AIR AND CLEARING SKIES WILL THEN LET MODERATE BY FAIRLY SHALLOW VALLEY INVERSIONS DEVELOP ACROSS ZONES 203...205...207 BY SUNRISE. NORTHERLY FLOW WILL PREVAIL WEDNESDAY AS THE STORM SYSTEM MOVES EAST. ...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL... COZ201-221900- ZONE 201...CRAIG FORECAST AREA- INCLUDING LOWER/CENTRAL/UPPER YAMPA RIVER BASIN- NORTHERN ROAN AND EASTERN TAVAPUTS PLATEAUS- WESTERN SLOPES PARK AND NORTHERN GORE RANGES-NORTHERN FLAT TOPS- 100 PM MDT TUE OCT 21 2008 .TONIGHT... SMOKE DISPERSAL.....EXCELLENT UNTIL 2100...THEN BECOMING POOR BY 2400. MIXING HEIGHT.......7000 FT AGL UNTIL 2100...THEN LOWERING TO 3500 FT AGL. TRANSPORT WINDS.....NORTHWEST 32 MPH UNTIL 2100...THEN NORTH 20 MPH UNTIL 2400...THEN NORTH 10 MPH. .WEDNESDAY... SMOKE DISPERSAL.....POOR UNTIL 1100...THEN BECOMING GOOD. MIXING HEIGHT.......3000 FT AGL UNTIL 1200...THEN RISING TO 6500 FT AGL. TRANSPORT WINDS.....NORTH 13 MPH. $$ COZ203-221900- ZONE 203...GRAND JUNCTION FORECAST AREA- INCLUDING SOUTHERN ROAN AND TAVAPUTS PLATEAUS-GRAND VALLEY-DEBEQUE- RIFLE-GLENWOOD SPRINGS-CENTRAL COLORADO RIVER BASIN-BATTLEMENT MESA- NORTHERN GRAND MESA-NORTHERN ELK MOUNTAINS- WEST SLOPES SOUTHERN GORE RANGE-SOUTHERN FLAT TOPS- WHITE RIVER PLATEAU-NORTHERN UNCOMPAHGRE PLATEAU- 100 PM MDT TUE OCT 21 2008 .TONIGHT... SMOKE DISPERSAL.....EXCELLENT UNTIL 2100...THEN BECOMING POOR BY 2400. MIXING HEIGHT.......8500 FT AGL UNTIL 2100...THEN LOWERING TO 3000 FT AGL. TRANSPORT WINDS.....NORTHWEST 31 MPH UNTIL 2100...THEN NORTH 20 MPH UNTIL MIDNIGHT...THEN NORTH 10 MPH. .WEDNESDAY... SMOKE DISPERSAL.....POOR UNTIL 1100...THEN BECOMING VERY GOOD. MIXING HEIGHT.......3500 FT AGL UNTIL 1200...THEN RISING TO 8500 FT AGL. TRANSPORT WINDS.....NORTH 16 MPH. $$ COZ205-221900- ZONE 205...MONTROSE FORECAST AREA-INCLUDING SOUTHERN GRAND MESA- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASINS- WEST SLOPES SAWATCH RANGE-SOUTHERN ELK AND WEST ELK MOUNTAINS- UPPER GUNNISON RIVER VALLEY-SOUTHERN UNCOMPAHGRE PLATEAU- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY- 100 PM MDT TUE OCT 21 2008 .TONIGHT... SMOKE DISPERSAL.....EXCELLENT UNTIL 2200...THEN BECOMING POOR BY 0100. MIXING HEIGHT.......9500 FT AGL UNTIL 2100...THEN LOWERING TO 2500 FT AGL BY 0100. TRANSPORT WINDS.....NORTHWEST 30 MPH UNTIL 2100...THEN NORTH 15 MPH. .WEDNESDAY... SMOKE DISPERSAL.....POOR UNTIL 1200...THEN BECOMING GOOD. MIXING HEIGHT.......1500 FT AGL UNTIL 1200...THEN RISING TO 8000 FT AGL. TRANSPORT WINDS.....NORTH 13 MPH. $$ COZ207-221900- ZONE 207...DURANGO FORECAST AREA- INCLUDING SOUTHWESTERN SAN JUAN MOUNTAINS-FOUR CORNERS- ANIMAS RIVER BASIN-SAN JUAN RIVER BASIN- 100 PM MDT TUE OCT 21 2008 .TONIGHT... SMOKE DISPERSAL.....VERY GOOD UNTIL 2200...THEN BECOMING POOR BY 2400. MIXING HEIGHT.......9000 FT AGL UNTIL 2100...THEN LOWERING TO 2000 FT AGL BY 2400. TRANSPORT WINDS.....NORTH 23 MPH UNTIL 2400...THEN NORTH 11 MPH. .WEDNESDAY... SMOKE DISPERSAL.....POOR UNTIL 1200...THEN BECOMING VERY GOOD. MIXING HEIGHT.......1000 FT AGL UNTIL 1200...THEN RISING TO 7000 FT AGL. TRANSPORT WINDS.....NORTH 18 MPH. $$