Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000 CXUS51 KBUF 041359 CLMBUF CLIMATE REPORT NATIONAL WEATHER SERVICE BUFFALO NY 935 AM EST SUN MAR 1 2015 ................................... ...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1871 TO 2015 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 71 02/26/2000 LOW -21 02/09/1934 HIGHEST 32 02/07 49 02/21 02/04 LOWEST -10 02/16 -3 02/28 02/15 02/12 AVG. MAXIMUM 18.5 33.3 -14.8 26.5 AVG. MINIMUM 3.3 19.2 -15.9 13.2 MEAN 10.9 26.3 -15.4 19.8 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 28 13.6 14.4 21 DAYS MIN <= 32 28 25.3 2.7 26 DAYS MIN <= 0 12 0.6 11.4 3 PRECIPITATION (INCHES) RECORD MAXIMUM 5.90 1990 MINIMUM 0.46 1877 TOTALS 2.40 2.49 -0.09 3.62 DAYS >= .01 20 16 DAYS >= .10 7 8 DAYS >= .50 0 3 DAYS >= 1.00 0 1 GREATEST 24 HR. TOTAL 0.48 02/01 TO 02/02 02/20 TO 02/21 02/21 TO 02/21 02/21 TO 02/21 SNOWFALL (INCHES) RECORDS TOTAL 54.2 1958 TOTALS 46.2 17.3 28.9 23.3 SINCE 7/1 103.0 78.8 24.2 SNOWDEPTH AVG. 21 4 17 5 DAYS >= 1.0 14 5.3 8.7 6 GREATEST SNOW DEPTH 26 02/15 9 02/12 02/11 02/10 24 HR TOTAL 8.2 MM DEGREE_DAYS HEATING TOTAL 1509 1085 424 1259 SINCE 7/1 5148 4744 404 5106 COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 0 .................................................. WIND (MPH) AVERAGE WIND SPEED 11.2 HIGHEST WIND SPEED/DIRECTION 31/230 HIGHEST GUST SPEED/DIRECTION 41/240 DATE 02/24 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM NUMBER OF DAYS FAIR 1 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 18 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 1 HEAVY RAIN 0 RAIN 0 LIGHT RAIN 0 FREEZING RAIN 0 LT FREEZING RAIN 3 HAIL 0 HEAVY SNOW 7 SNOW 10 LIGHT SNOW 26 SLEET 2 FOG 18 FOG W/VIS <= 1/4 MILE 2 HAZE 15 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && ...COLDEST MONTH ON RECORD... THE COLDEST CALENDAR MONTH ON RECORD WAS ESTABLISHED THIS FEBRUARY 2015 AS A CONSTANT SIEGE OF VERY COLD AIRMASSES BROUGHT DAY AFTER DAY OF WELL BELOW NORMAL TEMPERATURES. ALL BUT TWO DAYS THIS MONTH FINISHED BELOW NORMAL...AND TEN OF THESE DAYS FINISHED 20F OR MORE DEGREES BELOW NORMAL. THIS FEBRUARY ALSO WAS THE THIRD SNOWIEST FEBRUARY ON RECORD. THE MONTH BEGAN WITH A SIGNIFICANT SNOWSTORM THAT DROPPED A FOOT TO A FOOT AND A HALF OF SNOW ACROSS WESTERN NEW YORK. THROUGH THE FIRST WEEK TEMPERATURES DID MANAGE TO REACH THE FREEZING MARK TWICE...ON BOTH THE 4TH AND THE 7TH. THEREAFTER A STRONG RIDGE OF HIGH PRESSURE WAS ANCHORED OVER THE WESTERN THIRD OF NORTH AMERICAN...WHILE A DEEP TROUGH OF LOW PRESSURE WAS CARVED OVER THE EASTERN TWO THIRDS OF NORTH AMERICA. THIS PERSISTENT FLOW IN THE JET STREAM ALLOWED FOR ARCTIC AIR TO FLOW SOUTHWARD ACROSS CANADA AND TOWARDS THE GREAT LAKES REGION. THIS COLD AIRMASS WOULD THEN LINGER THROUGH THE END OF THE MONTH OVER EASTERN CANADA AND THE EASTERN UNITED STATES. THE EXTREMELY COLD AIR SET SEVERAL DAILY LOW TEMPERATURE RECORDS THROUGH THE LAST THREE WEEKS OF THE MONTH. THE FINAL TWO AND A HALF WEEKS OF THE MONTH AVERAGED 20F DEGREES BELOW NORMAL. THE COLDEST TEMPERATURE SET THIS MONTH WAS -10F DEGREES WHICH OCCURRED UNDER CLEARING SKIES AND COLD NORTHWEST FLOW. THIS READING HAPPENED BOTH JUST BEFORE AND AFTER MIDNIGHT OF THE 15TH-16TH. WITHIN THE NORTHWEST FLOW THIS MONTH SEVERAL CLIPPER SYSTEMS PASSED THROUGH...WITH AIR TEMPERATURES MODERATING SLIGHTLY FROM THEIR FRIGID VALUES AND LIGHT SNOWS FALLING. BEHIND EACH CLIPPER LOW A FRESH ARCTIC AIRMASS REPLENISHED THE COLD AIR ACROSS THE GREAT LAKES REGION SENDING AIR TEMPERATURES AGAIN TO WELL BELOW NORMAL VALUES. THE AVERAGE TEMPERATURE THIS FEBRUARY WAS 10.9F DEGREES. THIS SET FEBRUARY AS NOT ONLY THE COLDEST OF ANY FEBRUARY MONTHS...BUT ALSO THE COLDEST OF ANY MONTH IN BUFFALO`S HISTORY. THE PREVIOUS COLDEST MONTH WAS FEBRUARY 1934 WHICH WAS 11.6F DEGREES. THE MONTH FINISHED MORE THAN 15 DEGREES BELOW NORMAL WHILE BREAKING SEVERAL RECORD LOW TEMPERATURES THAT HAD STOOD FOR MORE THAN A CENTURY. THERE WERE THREE RECORD LOWS SET THIS MONTH...ON THE 16TH (-10F), 19TH (-6F)AND 23RD (-7F). THERE WERE ALSO TWO RECORD LOW MAXIMUMS SET THIS MONTH...ON THE 15TH (2F) AND 20TH (1F). FOR JUST THE SECOND TIME IN FEBRUARY THE ENTIRE MONTH FAILED TO REGISTER AN ABOVE FREEZING TEMPERATURE...COMPARING WITH FEBRUARY 1978 THAT ALSO SET THIS MARK. THERE WERE 10 DAYS THIS MONTH THAT FELL BELOW ZERO WHICH IS THE GREATEST NUMBER OF DAYS IN FEBRUARY SINCE 1934 WHICH FEATURED 11 DAYS THAT FELL BELOW ZERO. SNOWFALL THIS MONTH FINISHED AT 46.2 INCHES...WHICH IS OVER TWO FEET ABOVE NORMAL. THIS SNOW AMOUNT RANKS THIS FEBRUARY AS THE 3RD SNOWIEST ON RECORD. THE 21 DAYS OF MEASURABLE SNOWFALL FELL JUST SHORT OF THE RECORD OF 23 DAYS WHICH WAS SET IN YEARS 1901, 1962 AND 1967. THE GREATEST SNOWFALL OCCURRED ON THE 1ST AND 2ND OF THE MONTH TOTALING JUST OVER A FOOT OF SNOW FOR THE TWO DAYS. THIS SYSTEM ALSO ESTABLISHED A DAILY RECORD SNOWFALL ON THE 2ND WITH 8.2 INCHES OF SNOW FALLING. TWO OTHER DAYS HAD SNOWSTORMS OF NOTE...THE 4TH-5TH WITH 7.7 INCHES OF SNOW AND THE 14TH WITH NEARLY 7 INCHES OF SNOW. BOTH SYSTEMS FEATURED STRONG ARCTIC FRONTS THAT PRODUCED SNOW SQUALLS THAT BROUGHT A BURST OF HEAVY SNOW WHICH ALONG WITH BLOWING SNOW CREATED POOR DRIVING CONDITIONS AND SLOWED TRAVEL ACROSS AREA ROADS. ALL SNOW THIS MONTH WAS SYNOPTICALLY DRIVEN. ALL MEASURABLE PRECIPITATION THAT FELL THIS MONTH WAS SNOW...AND THE LIQUID EQUIVALENT OF THE SNOW THIS MONTH WAS NEAR NORMAL. THERE WERE SEVERAL CASES OF FREEZING DRIZZLE...WITH THE MOST PRONOUNCED OCCURRING ON THE 4TH OF THE MONTH. THE SNOW THAT FELL TOWARDS THE END OF JANUARY AND THROUGH FEBRUARY ACCUMULATED INTO A VERY DEEP SNOWPACK THAT REMAINED THROUGH THE MONTH OF FEBRUARY. THE TYPICAL MID WINTER THAWS NEVER OCCURRED THIS WINTER SEASON WHICH ALLOWED FOR THE SNOW DEPTH TO BE THE GREATEST IN 13 YEARS. THE SNOW DEPTH PEAKED AT 26 INCHES ON THE 15TH...GREATEST SNOW DEPTH SINCE DEC-JAN OF 2001-02 WHICH HAD A SNOWPACK THAT PEAKED AT 44 INCHES IN LATE DECEMBER AND REMAINED AT 27 INCHES INTO JANUARY. THERE WERE SEVERAL DAYS OF GUSTY WINDS THAT BROUGHT BLOWING AND DRIFTING OF SNOW. THESE WINDS ALSO CREATED DANGEROUS WIND CHILLS OVER THE LAST THREE WEEKS OF THE MONTH. LAKE ERIE REMAINED DEEPLY ICE COVERED THROUGH THE MONTH. IN ALL A HISTORIC COLD AND SNOWY FEBRUARY THAT WILL SERVE AS A NEW BENCHMARK FOR COLDNESS. HERE ARE THE WINTER (DJF) STATS FOR BUFFALO. (NORMAL IN PARENTHESIS) TEMPERATURE...21.6F (27.1F) **10TH COLDEST PRECIPITATION...7.14" (9.56") **27TH DRIEST && THOMAS $$

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