
http://www.wrh.noaa.gov/fgz
AREA FORECAST DISCUSSION
FXUS65 KFGZ 151038 AFDFGZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 330 AM MST TUE JAN 15 2008 .
SYNOPSIS...EXPECT WARMER WEATHER ACROSS THE NORTHLAND TODAY...BEFORE A COLD FRONT APPROACHES FROM THE NORTH LATER TONIGHT AND WEDNESDAY. THIS WILL BRING MUCH COLDER TEMPERATURES AND ANOTHER ROUND OF GUSTY NORTHEAST WINDS. A SLIGHT CHANCE OF SHOWERS WILL ALSO BE POSSIBLE WEDNESDAY...MAINLY OVER EASTERN ARIZONA. && .DISCUSSION...A WEAK SHORTWAVE RIDGE WILL REMAIN ACROSS NORTHERN ARIZONA TODAY...WITH AFTERNOON TEMPERATURES EXPECTED TO CLIMB A FEW DEGREES WARMER THAN YESTERDAY FOR MOST LOCATIONS. SKIES...
MEANWHILE...WILL TURN PARTLY CLOUDY AT TIMES AS A BAND OF MID-TO-UPPER LEVEL MOISTURE WORKS INTO THE REGION. BY TONIGHT...A STRONG COLD FRONT WILL APPROACH ARIZONA FROM THE NORTH. THIS SYSTEM WILL GRADUALLY SHIFT SOUTHWARD DURING THE FOLLOWING 24 HOURS...MOVING SOUTHEAST OF THE FORECAST AREA BY WEDNESDAY NIGHT. MAIN EFFECTS FROM THIS FEATURE WILL BE A RETURN OF COLDER THAN NORMAL TEMPERATURES AND LOCALLY GUSTY NORTHEAST WINDS...THOUGH THERE WILL BE A SLIGHT CHANCE OF SHOWERS MAINLY NEAR THE NEW MEXICO BORDER AS WELL.
DRY NORTHWEST FLOW ALOFT IS THEN ANTICIPATED TO RETURN FOR THE LATTER PORTION OF THE WEEK...ALLOWING A RETURN OF FAIR WEATHER AND GRADUALLY WARMING DAYTIME HIGH TEMPERATURES. LATEST EXTENDED RANGE FORECAST MODELS BRING ANOTHER POTENTIALLY STRONG AND COLD STORM SYSTEM FOR EARLY NEXT WEEK. WE WILL KEEP WITH A FORECAST INDICATING CHANCES FOR PRECIPITATION AND COLDER TEMPERATURES DURING THAT TIME FRAME AS THIS POSSIBLE SCENARIO CONTINUES TO EVOLVE.