Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
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000 CXUS53 KIWX 012043 CLSSBN CLIMATE REPORT NATIONAL WEATHER SERVICE NORTHERN INDIANA 343 PM EST THU DEC 01 2022 ................................... ...THE SOUTH BEND CLIMATE SUMMARY FOR THE SEASON, FROM 9/1/2022 TO 11/30/2022... 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 99 09/01/1953 09/08/1933 09/07/1933 LOW -7 11/25/1950 HIGHEST 89 09/03 MM MM 92 LOWEST 12 11/20 MM MM 21 AVG. MAXIMUM 63.9 61.3 2.6 65.0 AVG. MINIMUM 43.7 42.3 1.4 46.9 MEAN 53.8 51.8 2.0 DAYS MAX >= 90 0 1.6 -1.6 3 DAYS MAX <= 32 3 2.4 0.6 1 DAYS MIN <= 32 18 18.3 -0.3 17 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 19.07 2008 MINIMUM 3.23 1956 TOTALS 9.67 9.99 -0.32 9.78 DAILY AVG. 0.10 0.11 -0.01 0.11 DAYS >= .01 34 33.7 0.3 35 DAYS >= .10 23 19.4 3.6 22 DAYS >= .50 6 6.2 -0.2 5 DAYS >= 1.00 2 2.2 -0.2 2 GREATEST 24 HR. TOTAL 1.16 SNOWFALL (INCHES) RECORDS TOTAL 30.6 1977 24 HR TOTAL 1.3 11/24/2020 TO 11/30/2020 TOTALS 30.2 5.3 24.9 1.8 SINCE 7/1 30.2 5.3 24.9 1.8 SNOWDEPTH AVG. 1 0 DAYS >= TRACE 10 3.8 6.2 13 DAYS >= 1.0 7 1.7 5.3 1 GREATEST SNOW DEPTH 15R 11/20 1 24 HR TOTAL 6.5R 11/13 TO 11/13 10/18 TO 10/18 DEGREE DAYS HEATING TOTAL 1131 1287 -156 1014 SINCE 7/1 1131 1309 -178 1014 COOLING TOTAL 133 86 47 215 SINCE 1/1 1003 723 280 1067 .............................................................. WIND (MPH) AVERAGE WIND SPEED 8.7 HIGHEST WIND SPEED/DIRECTION 47/210 DATE 11/05 HIGHEST GUST SPEED/DIRECTION 66/200 DATE 11/05 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.41 NUMBER OF DAYS FAIR 43 NUMBER OF DAYS PC 25 NUMBER OF DAYS CLOUDY 23 AVERAGE RH (PERCENT) 69 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 4 MIXED PRECIP 0 HEAVY RAIN 9 RAIN 16 LIGHT RAIN 31 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 5 SNOW 7 LIGHT SNOW 9 SLEET 1 FOG 46 FOG W/VIS <= 1/4 MILE 12 HAZE 22 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. && FALL 2022 WORSENING DROUGHT CONDITIONS IMPACTED THE REGION DURING AUTUMN 2022. ON AUGUST 30TH, THE US DROUGHT MONITOR INDICATED "ABNORMALLY DRY" CONDITIONS WERE PRESENT OVER MUCH OF NORTHERN INDIANA AND SLIVER OF EXTREME SOUTHERN MICHIGAN. BY OCTOBER 25TH, AN EXPANSIVE AREA OF "MODERATE DROUGHT" EMERGED ALONG THE US 30 CORRIDOR. THIS LINGERED THROUGH MOST OF NOVEMBER UNTIL A PERIOD OF LAKE EFFECT SNOW IMPROVED THE DROUGHT CONDITIONS IN THE IMMEDIATE SOUTH BEND AREA. THEN, SOAKING RAIN ARRIVED OVER THE FINAL NOVEMBER WEEKEND ACROSS THE STATE. DURING THIS DRY PERIOD, NUMEROUS FIELD FIRES WERE REPORTED IN PART DUE TO FALL HARVEST ACTIVITIES. FIRES ASIDE, IMPACTS TO CROPS WERE GENERALLY MINOR TO NON-EXISTENT. ALL TOLD, PRECIPITATION TOTALED 9.67 INCHES WHICH IS ONLY 0.32 INCHES BELOW NORMAL. THIS WAS NEAR LAST FALL`S TOTAL IF 9.78 INCHES. THERE WERE SOME NOTABLE TEMPERATURE SWINGS IN OCTOBER AND NOVEMBER. DETAILS CAN BE FOUND BELOW IN THE MONTH-BY-MONTH SUMMARIES. OVERALL, THE AVERAGE TEMPERATURE THIS FALL WAS 53.8 DEGREES; 2.0 DEGREES ABOVE NORMAL. THIS RANKS AS THE 41ST WARMEST ON RECORD. THIS FALL`S SNOW TOTAL OF 30.2 INCHES WHICH IS 24.9 INCHES ABOVE NORMAL. THIS RANKS AS THE 2ND GREATEST SNOW TOTAL ON RECORD BEHIND FALL OF 1977. SEPTEMBER 2022. SEPTEMBER WAS MILD, FEATURING TWO EPISODES WHERE TEMPERATURES IN THE 80S WERE COMMON. ONE OF THESE MILD PERIODS FEATURED SEVERE THUNDERSTORMS IN THE REGION. FALL-LIKE TEMPERATURES SETTLED IN FOR THE LAST WEEK OF THE MONTH WHERE HIGHS IN THE 60S WERE COMMON WITH LOWS IN THE 40S. THE COLDEST LOW OF THE MONTH WAS 37 DEGREES ON THE 29TH. THERE WAS SOME PATCHY FROST IN OUTLYING AREAS. THE AVERAGE TEMPERATURE FOR THE MONTH WAS 65.6 DEGREES WHICH RANKS AS THE 46TH WARMEST ON RECORD. ABNORMALLY DRY CONDITIONS PREVAILED THIS MONTH IN NORTHWEST INDIANA, ACCORDING TO THE US DROUGHT MONITOR. AUGUST PRECIPITATION ENDED 1.98 INCHES BELOW NORMAL, AND NOW SEPTEMBER ENDED 1.08 INCHES BELOW NORMAL. THIS RANKS AS THE 44TH DRIEST ON RECORD. NO RECORDS WERE SET THIS MONTH. OCTOBER 2022 DROUGHT CONDITIONS WORSEN, BUT LATE MONTH RAIN PROVIDES SOME RELIEF. OCTOBER FEATURED SEVERAL BEAUTIFUL AFTERNOONS PRECEDED BY CHILLY AND SOMETIMES FROSTY MORNINGS. THE FIRST 20 DAYS OF THE MONTH FREQUENTLY RECORDED A DAILY TEMPERATURE ANOMALY BELOW NORMAL. THE AVERAGE TEMPERATURE FOR OCTOBER 1-20 WAS 50.9 DEGREES; THE 18TH COLDEST (TIE) ON RECORD AND THE COLDEST FOR THIS STRETCH SINCE 2012 (50.9 DEGREES AS WELL). ONE RECORD WAS TIED DURING THAT PERIOD. THE HIGH TEMPERATURE OF 43 ON THE 17TH TIED THE COLDEST HIGH TEMPERATURE SET WAY BACK IN 1896. THE FINAL 10 DAYS OF THE MONTH WERE A DIFFERENT STORY, WITH AN AVERAGE TEMPERATURE OF 56.5 DEGREES RANKING AS THE 14TH WARMEST ON RECORD. IT WAS THE WARMEST AVERAGE TEMPERATURE FOR THAT PERIOD SINCE 57.8 DEGREES IN 2000. OVERALL, THE AVERAGE TEMPERATURE FOR THE MONTH WAS 52.9 DEGREES WHICH IS 0.9 DEGREES ABOVE NORMAL. OCTOBER 17TH WAS WHEN THE FIRST SNOWFLAKES WERE OBSERVED THIS FALL. THIS OCCURRED AS A STRONG LAKE EFFECT SNOW BAND MOVED INLAND, DUMPING 1 TO 3 INCHES OF SNOW OVER ALLEN (IN), ELKHART, KOSCIUSKO, NOBLE, AND WHITLEY COUNTIES. ONLY A TRACE OF SNOW OCCURRED AT SOUTH BEND. AS SUCH, SOUTH BEND STILL AWAITS ITS FIRST "MEASUREABLE" SNOWFALL OF THE SEASON WHICH TYPICALLY OCCURS NEAR NOVEMBER 8TH. DROUGHT WORSENED THROUGH OCTOBER IN MICHIANA. THE FIRST 15 DAYS OF THE MONTH (0.57") WAS THE DRIEST START TO OCTOBER SINCE 2015 (0.12"). A SOAKING RAIN ARRIVED TO SOUTH BEND IN THE DAYS THAT FOLLOWED, BUT LOCATIONS SOUTH OF HERE MISSED OUT. AS A RESULT, WHEN THE OCTOBER 18TH EDITION OF THE U.S. DROUGHT MONITOR WAS RELEASED, NORTHWEST INDIANA WAS DEEMED TO BE EXPERIENCING "MODERATE DROUGHT" CONDITIONS. THIS AREA OF MODERATE DROUGHT EXPANDED SOUTHEAST THROUGH THE STATE THE FOLLOWING WEEK. BY THE END OF THE MONTH, SOUTH BEND RECEIVED ADDITIONAL RAIN AND THE MONTHLY TOTAL WAS A HEALTHY 3.85 INCHES WHICH IS ACTUALLY 0.13 INCHES ABOVE NORMAL. THIS RANKS AS THE 41ST WETTEST OCTOBER ON RECORD. IN THE WEEKS TO COME, IMPROVEMENT OF DROUGHT CONDITIONS ARE EXPECTED. RECALL THAT OCTOBER 2021 RECORDED A WHOPPING 6.03 INCHES OF PRECIPITATION WHICH NEGATIVELY IMPACTED FALL HARVEST. NOVEMBER 2022 A WILD, MEMORABLE MONTH, JUST SHY OF A MONTHLY SNOWFALL RECORD AFTER A RECORD-WARM START TO THE MONTH (NOVEMBER 1-10 WAS THE 4TH WARMEST ON RECORD WITH AN AVERAGE TEMPERATURE OF 56.1 DEGREES), A WINTER CHILL QUICKLY DESCENDED OVER THE REGION. SHORTS AND T-SHIRTS WERE REPLACED WITH WINTER HATS AND GLOVES AS MORNING LOWS DIPPED TO 12 DEGREES ON THE 20TH. THE GREATEST SINGLE-DAY TEMPERATURE DEPARTURE BELOW NORMAL WAS 18 DEGREES ON THE 20TH. MEANWHILE, BACK ON THE 4TH, THE DAILY TEMPERATURE DEPARTURE WAS 23 DEGREES ABOVE NORMAL. THE COLD AIR RUSHING OVER A MILD LAKE MICHIGAN WATER TEMPERATURE RESULTED IN INTENSE BOUTS OF LAKE EFFECT SNOW. ROUND ONE OCCURRED ON THE 12TH AND 13TH TOTALING 7.5 INCHES. THE NEXT ROUND OCCURRED OVER THE COURSE OF FIVE DAYS (16TH-20TH) AS LAKE EFFECT SNOW BANDS WAVERED OVER THE REGION. THE FIVE-DAY TOTAL WAS A WHOPPING 22.7 INCHES. THIS IS THE GREATEST 5-DAY NOVEMBER TOTAL SINCE 1977. REGARDLESS OF MONTH, THIS IS THE GREATEST 5-DAY TOTAL SINCE 30.4 INCHES ENDING ON JANUARY 12, 2011. THE TOTAL SNOW ACCUMULATION THIS MONTH, 30.2 INCHES, IS ONLY ONE- TENTH OF AN INCH SHY OF THE ALL-TIME NOVEMBER RECORD SET IN 1977. 30.2 INCHES IS A WHOPPING 25.1 INCHES ABOVE NORMAL. TWO DAILY SNOWFALL RECORD WERE SET: 1) 6.5 INCHES ON THE 18TH BROKE THE PREVIOUS TOTAL OF 4.0 INCHES SET IN 1989. 2) 9.0 INCHES ON THE 20TH SHATTERED THE PREVIOUS RECORD OF 5.8 INCHES SET IN 2000. FOLLOWING THE SNOW AND COLD, A MILD, MORE SEASONABLE AIRMASS RETURNED. AS A RESULT, NOVEMBER ENDED 3.1 DEGREES ABOVE NORMAL WITH AN AVERAGE TEMPERATURE OF 42.9 DEGREES. THIS RANKS AS TIED WITH THE NOVEMBER OF 1948 AND 1978 AS THE 25TH WARMEST NOVEMBER ON RECORD. DROUGHT CONDITIONS OVER NORTHERN INDIANA WERE NEARLY STEADY THIS MONTH; "ABNORMALLY DRY" TO "MODERATE DROUGHT" ACCORDING TO THE US DROUGHT MONITOR. BUT, THE LAKE EFFECT PRECIPITATION DID BEGIN TO EASE THE DROUGHT STARTING WITH ST. JOSEPH COUNTY. THE TOTAL PRECIPITATION THIS MONTH WAS 3.41 INCHES WHICH IS 0.63 INCHES ABOVE NORMAL. THIS RANKS AS THE 37TH WETTEST ON RECORD. TWO TEMPERATURE RECORDS WERE TIED THIS MONTH, BOTH ON THE 10TH. THE HIGH OF 75 AND THE LOW OF 55 BOTH TIED A RECORD SET IN 2020. BROWN $$