Special Weather Statement 12-05-2007

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBUQUERQUE NM
318 PM MST WED DEC 5 2007

NMZ001>021-026-060500-
CAPITAN/NORTHERN SACRAMENTO MOUNTAINS-
CENTRAL HIGH PLAINS/ESTANCIA VALLEY-CHAVES COUNTY PLAINS-
CONCHAS LAKE/GUADALUPE COUNTY-CURRY COUNTY-DE BACA COUNTY-
FAR NORTHEAST PLAINS-GUADALUPE MOUNTAINS OF CHAVES COUNTY-
HARDING COUNTY-LINCOLN COUNTY HIGH PLAINS/HONDO VALLEY-
LOWER RIO GRANDE VALLEY-
MIDDLE RIO GRANDE VALLEY/ALBUQUERQUE METRO AREA-NORTHEAST HIGHLANDS-
NORTHWEST MOUNTAINS INCLUDING JEMEZ-NORTHWEST PLATEAU-QUAY COUNTY-
ROOSEVELT COUNTY-SANDIA/MANZANO MOUNTAINS-SANGRE DE CRISTO MOUNTAINS-
SOUTHWEST MOUNTAINS/UPPER GILA REGION-UPPER RIO GRANDE VALLEY-
WEST CENTRAL MOUNTAINS-
318 PM MST WED DEC 5 2007
RAIN AND SNOW ARRIVING AHEAD OF THE WEEKEND AND REMAINING OVERHEAD INTO EARLY NEXT WEEK…

CLOUDS PUSHING INTO NEW MEXICO FROM WEST TO EAST WILL BE THE FIRST SIGN OF THE FIRST OF TWO STORM SYSTEM EXPECTED LATE THIS WEEK. EACH WILL BRING WIDESPREAD AND SUBSTANTIAL PRECIPITATION…BOTH RAIN AND SNOW…FROM LATE THIS WEEK…THROUGH THE WEEKEND…AND INTO EARLY NEXT WEEK. COOLER AIR ARRIVING WITH THIS STORM SYSTEM WILL DROP SNOW LEVELS BELOW THOSE EXPERIENCED LAST WEEKEND FOR GREATER SNOW COVERAGE AND ELEVATED SNOW AMOUNTS.

THE FIRST STORM SYSTEM WILL REACH NORTHERN CALIFORNIA TOMORROW…DIVE INTO NORTHWEST ARIZONA FRIDAY AFTERNOON OR NIGHT…THEN TURN NORTHEAST FRIDAY NIGHT AND SATURDAY. MOISTURE IS EXPECTED TO GET DRAWN NORTH INTO NEW MEXICO AHEAD OF THIS SYSTEM.

SIGNIFICANT SNOW AND LOW ELEVATION RAIN SHOULD BEGIN LATE TOMORROW NIGHT OVER THE FAR NORTHWEST AND NORTH CENTRAL PORTIONS OF THE STATE…THEN IT SHOULD SPREAD INTO A GOOD PORTION OF THE NORTHWEST HALF OR TWO THIRDS OF THE STATE LATE FRIDAY AND EARLY SATURDAY.
WHILE THE BEST CHANCE FOR MORE WIDESPREAD SIGNIFICANT PRECIPITATION…MOSTLY SNOW…WITH THIS INITIAL SYSTEM WILL BE OVER THE WESTERN AND NORTHERN MOUNTAINS OF THE STATE…THE EASTERN PLAINS AND CENTRAL VALLEYS WILL RECEIVE ONLY ISOLATED TO PERHAPS SCATTERED SHOWERS. THAT MAY TURN OVER TO SCATTERED SNOW OR MIXED PRECIPITATION SATURDAY NIGHT AND SUNDAY MORNING ACROSS THE EASTERN PLAINS AS A BACK DOOR COLD FRONT SURGES SOUTH AND WEST ACROSS THAT AREA. AS THE COLDER AIR BEHIND THAT FRONT OVERSPREADS A GOOD PORTION OF THE REST OF THE STATE SUNDAY AND SUNDAY NIGHT THERE MAY BE ANOTHER UPSWING IN PRECIPITATION…MOSTLY SNOW OR SOME PRECIPITATION MIX. A SECOND STORM IS FORECAST TO TAKE SHAPE OVER SOUTHERN CALIFORNIA SUNDAY AND REACH NEW MEXICO LATER MONDAY OR TUESDAY. ANOTHER SURGE OF MOISTURE IS LIKELY WITH THIS SYSTEM. SNOW LEVELS MAY BE EVEN LOWER WITH THIS SECOND STORM. THUS THE BULK OF PRECIPITATION MAY BE IN THE FORM OF SNOW…ESPECIALLY MONDAY NIGHT. THE PATH OF THIS SECOND STORM AND ITS ATTENDANT PRECIPITATION IS MORE IN QUESTION THOUGH THAN THAT OF THE FIRST SYSTEM…SO WHETHER THE SECOND STORM SPREADS MORE PRECIPITATION ACROSS THE SOUTHEAST HALF OR THE NORTHWEST HALF OF THE STATE IS STILL DEBATABLE.

WITH THE EXACT DETAILS OF THE APPROACHING ADVERSE WEATHER NOT YET EXACTLY PRECISE…THOSE PLANNING TRAVEL OR OTHER OUTDOOR ACTIVITIES ACROSS NORTHERN AND CENTRAL NEW MEXICO SHOULD REMAIN IN CLOSE TOUCH WITH THEIR PREFERRED WEATHER INFORMATION SOURCE TO BE SURE YOU HAVE THE LATEST FORECASTS AND STATEMENTS. ALLOW FOR SOME DELAYS IN TRAVEL LATE THIS WEEK THROUGH EARLY NEXT WEEK AND PREPARE YOUR VEHICLE FOR WINTER DRIVING CONDITIONS.

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