Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KIWX 011116 CLSSBN CLIMATE REPORT NATIONAL WEATHER SERVICE NORTHERN INDIANA 616 AM EST TUE MAR 01 2022 ................................... ...THE SOUTH BEND CLIMATE SUMMARY FOR THE SEASON, FROM 12/1/2021 TO 2/28/2022... CLIMATE NORMAL PERIOD 1991 TO 2020 CLIMATE RECORD PERIOD 1893 TO 2022 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL .............................................................. TEMPERATURE (F) RECORD HIGH 74 02/25/2000 LOW -22 01/20/1943 01/25/1897 HIGHEST 64 12/15 MM MM 58 12/16 LOWEST 01/26 MM MM -4 AVG. MAXIMUM 36.7 34.1 2.6 34.2 AVG. MINIMUM 20.0 19.7 0.3 21.1 MEAN 28.3 26.9 1.4 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 37 38.7 -1.7 36 DAYS MIN <= 32 83 77.5 5.5 81 DAYS MIN <= 0 1 5.6 -4.6 2 PRECIPITATION (INCHES) RECORD MAXIMUM 13.35 1950 MINIMUM 2.77 1945 TOTALS 7.95 7.37 0.58 5.77 DAILY AVG. 0.09 0.08 0.01 0.07 DAYS >= .01 39 44.1 -5.1 MM DAYS >= .10 18 18.8 -0.8 MM DAYS >= .50 5 3.5 1.5 MM DAYS >= 1.00 1 1.0 0.0 MM GREATEST 24 HR. TOTAL 1.69 SNOWFALL (INCHES) RECORDS TOTAL 136.3 1978 24 HR TOTAL 11.8 12/25/2020 TO 12/25/2020 TOTALS 46.9 51.4 -4.5 50.4 SINCE 7/1 48.7 56.7 -8.0 MM SNOWDEPTH AVG. 2 4 DAYS >= TRACE 48 31.8 16.2 MM DAYS >= 1.0 14 16.3 -2.3 MM GREATEST SNOW DEPTH 11 02/03 16 02/04 24 HR TOTAL 11.2 02/02 TO 02/03 DEGREE DAYS HEATING TOTAL 3274 3425 -151 3319 SINCE 7/1 4288 4734 -446 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 10.7 HIGHEST WIND SPEED/DIRECTION 43/240 DATE 12/11 HIGHEST GUST SPEED/DIRECTION 58/240 DATE 12/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.62 NUMBER OF DAYS FAIR 20 NUMBER OF DAYS PC 32 NUMBER OF DAYS CLOUDY 38 AVERAGE RH (PERCENT) 70 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 5 RAIN 8 LIGHT RAIN 25 FREEZING RAIN 0 LT FREEZING RAIN 7 HAIL 0 HEAVY SNOW 3 SNOW 10 LIGHT SNOW 44 SLEET 1 FOG 53 FOG W/VIS <= 1/4 MILE 12 HAZE 42 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && THIS WINTER OPENED WET AND WARM AND CLOSED WET AND AROUND NORMAL; FINISHING WETTER AND WARMER THAN NORMAL. TEMPERATURE-WISE, ALMOST ALL OF DECEMBER FEATURED TEMPERATURES THAT WERE NORMAL TO ABOVE NORMAL. THE LONE EXCEPTION WOULD BE DECEMBER 7TH, WHICH HAD A MAXIMUM TEMPERATURE OF 24 DEGREES AND WAS 1 DEGREE BELOW THE NORMAL LOW TEMPERATURE FOR THAT DAY. JANUARY FEATURED TEMPERATURES THAT WERE CLOSER TO NORMAL FOR THE BULK OF THE MONTH. HOWEVER, AFTER JANUARY 20TH, BELOW NORMAL TEMPERATURES CLOSED OUT THE MONTH; HELPING IT TO FINISH BELOW NORMAL. FEBRUARY HAD STRONG TEMPERATURE SWINGS AND FINISHED OUT AROUND NORMAL. OVERALL, THIS WINTER AVERAGED 28.3 DEGREES AND TIED AS THE 36TH WARMEST WHEN COMPARED TO THE PERIOD OF RECORD. PRECIPITATION-WISE, DECEMBER STARTED OUT WETTER THAN NORMAL WITH 3 DAYS OF PRECIPITATION TOTALS HIGHER THAN 0.5 INCH. A DRIER THAN NORMAL JANUARY ENSUED WITH ONLY 1 DAY OF PRECIPITATION HIGHER THAN 0.2 INCH. FEBRUARY ALSO ENDED WETTER THAN NORMAL WITH 2 DAYS OF PRECIPITATION TOTALS HIGHER THAN 0.5 INCH. OVERALL, THIS WINTER TOTALED 7.95 INCHES OF PRECIPITATION AND TIED AS THE 37TH WETTEST WHEN COMPARED TO THE PERIOD OF RECORD. SNOWFALL-WISE, DECEMBER FINISHED BELOW NORMAL, BUT COLD AIR CAME IN FOR JANUARY AND FEBRUARY AND THIS HELPED THEM FINISH AROUND NORMAL AND ABOVE NORMAL RESPECTIVELY. WE WERE GOING TO BE HARD-PRESSED TO MILK OUT ANY SNOW IN DECEMBER AS ONLY A FEW DAYS OF THE MONTH WERE COLD ENOUGH TO PRODUCE SNOW. MORE COLD DAYS WERE OBSERVED IN JANUARY AND DESPITE A LACK OF SYSTEM SNOW, LAKE EFFECT SNOW WAS ABLE TO COMPENSATE. FEBRUARY SAW THE APPEARANCE OF SOME SYSTEM SNOW WITH ENOUGH COLD AIR AND PRECIPITATION TO PRODUCE SNOW. OVERALL, THIS WINTER TOTALLED 46.9 INCHES OF SNOWFALL AND TIED AS THE 54TH SNOWIEST, COMPARED TO THE PERIOD OF RECORD. A MONTH BY MONTH SUMMARY IS BELOW. DECEMBER 2021: DECEMBER RANKS WITHIN THE TOP TEN WARMEST AND LEAST SNOWIEST SNOW LOVERS WERE DISAPPOINTED THIS MONTH WHILE THOSE WHO DETEST WINTER CELEBRATED THE MILD AIR AND LACK OF SNOW. COLD AIR WAS LOCKED OUT OF OUR AREA, INSTEAD RESIDING OFF TO OUR NORTHWEST. ONLY TWO DAYS THIS MONTH REPORTED AN AVERAGE DAILY TEMPERATURE DEPARTURE BELOW NORMAL. THE WARMEST DAYS OF THE MONTH, THE 15TH AND 16TH, WERE 26 AND 19 DEGREES ABOVE NORMAL FOR THE DAY. NEW RECORD HIGH AND LOW TEMPERATURES WERE SET ON THE 15TH; 64 BREAKS THE PREVIOUS RECORD OF 62 IN 1971 WHILE THE LOW OF ONLY 47 DEGREES BREAKS THE PREVIOUS (WARM) LOW TEMPERATURE RECORD OF 44 IN 1928. THE HIGH ON THE 16TH MISSED THE RECORD BY 1 DEGREE (65 IN 1984). WITH THE ABOVE IN MIND, IT IS NO SURPRISE THAT THIS RANKS AS THE 5TH WARMEST DECEMBER ON RECORD. THE AVERAGE TEMPERATURES THIS MONTH WAS 37.1 DEGREES WHICH IS 7.5 DEGREES ABOVE NORMAL. THIS IS THE WARMEST DECEMBER SINCE 2015 (39.4 DEGREES; THE WARMEST ON RECORD). PRECIPITATION THIS MONTH, MAINLY RAIN, WAS COMMON WITH 3.86 INCHES OF PRECIPITATION REPORTED. THIS IS 1.46 INCHES ABOVE NORMAL AND RANKS AS THE 23RD WETTEST DECEMBER ON RECORD. THE LACK OF SNOWFALL THIS MONTH WAS RECORD-BREAKING UNTIL THE VERY END WHEN 1.5 INCHES WAS OBSERVED ON THE 28TH. UNTIL THEN, ONLY A TRACE OF SNOW HAD BEEN OBSERVED. SNOW THIS MONTH TOTALED 1.5 INCHES WHICH IS 12.2 INCHES BELOW NORMAL. DECEMBER 2021 RANKS AS THE 7TH LEAST AMOUNT OF SNOW ON RECORD. DECEMBER 2021 WAS NOTABLE FROM A NATIONAL WEATHER PERSPECTIVE AS THERE WERE TWO DEVASTATING SEVERE WEATHER OUTBREAKS. THE FIRST OCCURRED ON THE NIGHT OF DECEMBER 10TH RESULTING IN NEARLY 400 SEVERE WEATHER REPORTS. THERE WERE 66 CONFIRMED TORNADOES INCLUDING TWO SUPERCELLS WHICH TRAVELED WELL OVER 100 MILES. THIS INCLUDES THE TORNADO THE IMPACTED MAYFIELD, KY. NEXT, AN ANOMALOUSLY DEEP LOW PRESSURE SYSTEM PRODUCED A SERIAL DERECHO AS IT MOVED FROM THE ROCKIES TO THE PLAINS AND INTO THE UPPER MISSISSIPPI RIVER VALLEY BEGINNING ON DECEMBER 15TH. THUNDERSTORMS ASSOCIATED WITH THE DERECHO PRODUCED HUNDREDS OF WIND DAMAGE REPORTS AND OVER 90 CONFIRMED TORNADOES. DUE TO THE DEEP NATURE OF THE LOW, THERE WERE WIDESPREAD SYNOPTIC WIND GUSTS OF 50 TO 70 MPH, WITH SEVERAL SITES RECORDING WIND GUSTS AS GREAT AS 90 TO 100 MPH. (SOURCE: CENTRAL REGION HEADQUARTERS) JANUARY 2022: ...BELOW NORMAL TEMPERATURES WITH A VERY COLD END TO THE MONTH... THE MONTH WAS CHARACTERIZED BY BELOW NORMAL TEMPERATURES DUE TO COUPLE OF ARCTIC INTRUSIONS. SINGLE DIGIT LOWS ABOVE ZERO WERE COMMON FOR THE LAST 11 DAYS OF THE MONTH WITH 8 OF THE 11 DAYS EXPERIENCING LOW TEMPERATURES BELOW 10 DEGREES. THE COLDEST MINIMUM TEMPERATURE OF THE MONTH WAS -1 ON THE 26TH. THE AVERAGE TEMPERATURE OF 21.1 DEGREES WAS 3.0 DEGREES BELOW NORMAL. THIS RANKS AS THE 32ND COLDEST ON RECORD. THE MONTH WAS OVERALL A DRY MONTH WITH A FEW SYSTEM AND LAKE EFFECT SNOW EVENTS. PRECIPITATION FOR THE MONTH TOTALED 1.13 INCHES OR 1.56 INCHES BELOW NORMAL. THIS IS THE 17TH DRIEST ON RECORD. DESPITE THE MUCH BELOW NORMAL PRECIPITATION, THE TOTAL SNOWFALL FOR THE MONTH OF 21.5 INCHES WAS RIGHT NEAR THE NORMAL OF 21.6 INCHES DUE TO HIGH SNOW TO LIQUID RATIOS ACCOMPANYING THE ARCTIC AIR. THERE WERE NO RECORDS SET THIS MONTH. FEBRUARY 2022 ABOVE NORMAL SNOWFALL AND ABOVE NORMAL PRECIPITATION THIS MONTH WAS CHARACTERIZED BY THE ABOVE NORMAL PRECIPITATION THAT FELL DURING THE MONTH. OVERALL THE MONTH FINISHED WITH 2.96 INCHES OF PRECIPITATION, WHICH IS 0.65 INCHES ABOVE NORMAL. THIS RANKED AS THE 20TH WETTEST MONTH PRECIPITATION-WISE AND FINISHED WITH RECORD DAILY MAXIMUM PRECIPITATION TOTALS ON THE 2ND AND 17ND OF THE MONTH. WHILE THE TEMPERATURE FINISHED OUT NORMAL FOR THE MONTH, WITH AN AVERAGE TEMPERATURE OF 26.8 DEGREES WHEN COMPARED WITH THE NORMAL OF 26.5 DEGREES, FEBRUARY WILL BE MORE NOTED FOR ITS TEMPERATURE SWINGS THAN THAT IT FINISHED OUT AROUND AVERAGE TEMPERATURE-WISE. FOR INSTANCE, 6 OF THE MONTH`S MAXIMUM TEMPERATURES WERE HIGHER THAN FEBRUARY`S AVERAGE MAXIMUM TEMPERATURE BY 7 DEGREES. IN ADDITION, 4 OF THE MONTH`S MINIMUM TEMPERATURES WERE LOWER THAN FEBRUARY`S AVERAGE MINIMUM TEMPERATURE BY 7 DEGREES. THE LOWER TEMPERATURES AT THE BEGINNING OF THE MONTH LEAD TO THE CREATION OF ICE ON AREA RIVERS THAT BROKE UP LATER IN THE MONTH WITH THE WARM UP AND THE OBSERVED RAINFALL. FEBRUARY ALSO BROUGHT THE HIGHEST MONTHLY SNOWFALL TOTALS OF THIS WINTER. AS SUCH, THE 23.9 INCHES OF SNOW THAT WAS OBSERVED THIS MONTH SURPASSED THE 14.2 INCHES OF NORMAL SNOWFALL FOR THE MONTH. THIS RANKED AS THE 14TH SNOWIEST FEBRUARY ON RECORD. DAILY MAXIMUM SNOWFALL RECORDS WERE BROKEN ON THE 2ND (5.3 INCHES) AND THE 17TH (11.2 INCHES). WITH SNOWPACK MELT, ICE JAMS, A FROZEN GROUND SURFACE, AND RAINFALL OCCURRING AT OPTIMAL TIMES, STANDING WATER AND RIVER FLOODING OCCURRED BETWEEN THE 17TH AND 23RD OF THE MONTH. $$ ROLLER/SKIPPER/FISHER