751 FLUS45 KFGZ 231434 HWOFGZ HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 730 AM MST SUN NOV 23 2008 AZZ004>018-037>040-241400- WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS- YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS- MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU- NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD- NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264- CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY- 730 AM MST SUN NOV 23 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY NO WEATHER HAZARDS ARE EXPECTED TODAY. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A SIGNIFICANT CHANGE IN THE WEATHER CAN BE EXPECTED BY THE MIDDLE OF THE WEEK. AFTER AN EXTENDED PERIOD OF WARM AND DRY WEATHER ACROSS NORTHERN ARIZONA...THIS CHANGE WILL BRING MUCH COOLER TEMPERATURES ALONG WITH VALLEY RAIN AND MOUNTAIN SNOW. THIS STORM SYSTEM WILL HAVE SIGNIFICANT IMPACTS ON THE THANKSGIVING HOLIDAY TRAVEL PERIOD BEGINNING LATE TUESDAY AND CONTINUING THROUGH EARLY THURSDAY WHEN THE FIRST OF TWO STORM SYSTEMS MOVES ACROSS NORTHERN ARIZONA. A SECOND SYSTEM WILL APPROACH THE REGION BY THE WEEKEND BRINGING ANOTHER PERIOD OF UNSETTLED WEATHER. SOME UNCERTAINTY REMAINS IN THE TIMING AND AMOUNT OF PRECIPITATION EXPECTED WITH THIS EXTENDED PERIOD OF STORMY WEATHER. FOR THE LATEST UPDATES ON THIS DEVELOPING WEATHER SYSTEM SEE WEATHER.GOV/FLAGSTAFF. $$