NOAK49 PAFG 011807 PNSAFG AKZ222-020445- PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE FAIRBANKS AK 727 AM AKST SAT DEC 1 2012 ...MONTHLY WEATHER SUMMARY FOR FAIRBANKS ALASKA... NOVEMBER 2012 IN FAIRBANKS WAS EXCEPTIONALLY COLD WITH UNUSUALLY LOW SNOWFALL. COLD WEATHER WAS PERSISTENT BUT NOT EXTREME IN NOVEMBER 2012. IN NOVEMBER 2012 THERE WERE NO RECORD TEMPERATURES ESTABLISHED...AND ONLY THREE DAYS ALL MONTH HAD AN AVERAGE DAILY TEMPERATURE ABOVE NORMAL. THIS DIFFERS FROM NOVEMBER 2011 WHEN SIX DAILY RECORD LOWS WERE TIED OR SET. FIVE DAYS THIS NOVEMBER WERE 20 DEGREES OR MORE BELOW NORMAL...AND 17 DAYS HAD A LOW TEMPERATURE OF 20 BELOW OR COLDER WITH ONLY NOVEMBER 1975 HAVING MORE SUCH DAYS. OVERALL...AT THE FAIRBANKS INTERNATIONAL AIRPORT THE AVERAGE HIGH TEMPERATURE IN NOVEMBER WAS 0.4 DEGREES ABOVE ZERO AND THE AVERAGE LOW WAS 17.9 DEGREES BELOW ZERO. THE AVERAGE FOR THE MONTH OF 8.7 DEGREES BELOW ZERO WAS 11.3 DEGREES COLDER THAN NORMAL AND MADE THIS THE 6TH COLDEST NOVEMBER IN MORE THAN A CENTURY OF WEATHER OBSERVATIONS. THE HIGHEST TEMPERATURE FOR THE MONTH AT THE AIRPORT WAS 22 DEGREES ON THE 10TH...WHILE THE LOWEST WAS 31 BELOW ZERO ON THE 30TH. THE TEMPERATURE DIPPED INTO 40S BELOW IN A FEW OF THE NORMALLY COLDER LOW LYING AREAS DURING THE LAST TWO DAYS OF THE MONTH. IN CONTRAST...TEMPERATURES AT SOME HIGHER ELEVATIONS DID NOT DROP COLDER THAN 10 BELOW ANYTIME DURING NOVEMBER. SNOWFALL WAS QUITE LIGHT IN NOVEMBER...AND ALL THE ACCUMULATING SNOW FELL DURING THE FIRST TEN DAYS OF THE MONTH. THE MOST SNOW IN ONE DAY AT THE AIRPORT WAS JUST 2.6 INCHES ON THE 10TH...AND THE MONTHLY TOTAL WAS A MERE 4.2 INCHES. THIS IS ABOUT A THIRD OF NORMAL. HOWEVER...THREE NOVEMBERS IN THE PAST 12 YEARS HAVE HAD LOWER SNOWFALL. THUS FAR THIS WINTER ONLY 11.3 INCHES OF SNOW HAS FALLEN...WHICH IS LESS THAN HALF OF NORMAL. SNOW DEPTH HAS BEEN STEADY AT SIX INCHES SINCE MID-MONTH. THE LONG TERM AVERAGE SNOW DEPTH AT THE END OF NOVEMBER IS ABOUT 11 INCHES. SKIES WERE FREQUENTLY CLEAR AND WIND SPEEDS MUCH OF THE MONTH WERE CHARACTERISTICALLY LOW...RESULTING IN EXTENDED PERIODS WITH VERY STRONG INVERSIONS AND LOCALLY POOR AIR QUALITY IN THE FAIRBANKS AND NORTH POLE AREAS. HOWEVER...WINDS GUSTED TO 20 MPH OR MORE FROM THE 17TH THROUGH THE 19TH...WHICH HELPED CLEAR THE AIR AT THAT TIME. THE FREQUENT CLEAR SKIES AT NIGHT ALLOWED FOR VIEWING OF SEVERAL NICE AURORA DISPLAYS. LOOKING AHEAD TO DECEMBER...AVERAGE TEMPERATURES SLOWLY FALL DURING THIS DARKEST MONTH OF THE YEAR. THE NORMAL HIGH TEMPERATURE FALLS FROM 7 ABOVE ON THE FIRST TO 2 ABOVE ON NEW YEARS EVE. THE AVERAGE LOW FALLS FROM 11 BELOW ON THE FIRST TO 16 BELOW ON THE 31ST. IN THE PAST 107 YEARS...DECEMBER TEMPERATURES HAVE VARIED BY 120 DEGREES IN FAIRBANKS...FROM A HIGH OF 58 ABOVE IN 1934 TO A LOW OF 62 BELOW IN 1961. AVERAGE SNOWFALL IS 12 INCHES...BUT HAS BEEN AS MUCH AS 50.7 INCHES IN 1984 TO AS LITTLE AS A TRACE IN 1969. POSSIBLE DAILY SUNSHINE FALLS TO THE ANNUAL MINIMUM OF 3 HOURS AND 42 MINUTES ON THE SOLSTICE BEFORE STARTING THE LONG CLIMB BACK TOWARD THE MIDNIGHT SUN OF JUNE.
Objective Comments and Analysis - All Science, No Politics
Primary Author Richard James
2010-2013 Author Rick Thoman
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