Climatological Report (Seasonal)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
000
CXUS53 KIWX 021133
CLSSBN

CLIMATE REPORT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
630 AM EST WED DEC 2 2015

...................................

...THE SOUTH BEND CLIMATE SUMMARY FOR THE FALL SEASON, FROM
9/1/2015 TO 11/30/2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2015

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            90   09/07        MM      MM       91
                        09/02
                        09/03
LOWEST             11   11/22        MM      MM       10
AVG. MAXIMUM     64.9              61.3     3.6     59.2
AVG. MINIMUM     44.7              43.2     1.5     40.8
MEAN             54.8              52.3     2.5
DAYS MAX >= 90      3               0.7     2.3        1
DAYS MAX <= 32      1               1.9    -0.9       13
DAYS MIN <= 32     15              16.6    -1.6       23
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        19.07   2008
 MINIMUM         3.23   1956
TOTALS           7.91             10.12   -2.21    11.76
DAILY AVG.       0.09              0.11   -0.02     0.13
DAYS >= .01        23              34.2   -11.2       41
DAYS >= .10        15              19.6    -4.6       17
DAYS >= .50         6               6.3    -0.3        7
DAYS >= 1.00        3               2.0     1.0        4
GREATEST
 24 HR. TOTAL    2.11

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.6   1977
 24 HR TOTAL       MM
TOTALS            9.1               5.2     3.9     19.3
SINCE 7/1         9.1               5.2     3.9     19.3
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       3               4.2    -1.2       16
DAYS >= 1.0         1               1.8    -0.8        5
GREATEST
 SNOW DEPTH         8   11/22                          8
 24 HR TOTAL      9.0   MM

DEGREE_DAYS
HEATING TOTAL    1042              1252    -210     1414
 SINCE 7/1         MM              1269      MM       MM
COOLING TOTAL     139                91      48       78
 SINCE 1/1        784               773      11      771
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    36/150    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    47/150    DATE  11/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           46
NUMBER OF DAYS PC             26
NUMBER OF DAYS CLOUDY         19

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                3     SLEET                      0
FOG                      38     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&
FALL OF 2015

IT WAS A VERY MILD AUTUMN WITH BELOW NORMAL PRECIPITATION DESPITE A
SLIGHTLY WET SEPTEMBER. A VERY STRONG EL NINO EVENT WAS ONGOING IN
THE PACIFIC OCEAN DURING THIS FALL PERIOD AND LIKELY CONTRIBUTED TO
THE PATTERN WHICH RESULTED IN MILD TEMPERATURES AND BELOW NORMAL
PRECIPITATION IN OCTOBER AND NOVEMBER IN OUR REGION. THERE WERE A
COUPLE PERIODS OF COLD WEATHER...BUT THESE WERE SHORT LIVED AND
QUICKLY REPLACED BY MILD WEATHER.

ALL THREE MONTHS EXPERIENCED MONTHLY AVERAGE TEMPERATURES ABOVE
NORMAL...WITH SEPTEMBER AND NOVEMBER BOTH OVER 3 DEGREES ABOVE
NORMAL. THE SEASONAL AVERAGE TEMPERATURE WAS 54.8 DEGREES...2.5
DEGREES ABOVE NORMAL. THIS RANKED AS THE 13TH WARMEST FALL SEASON ON
RECORD AT SOUTH BEND.

PRECIPITATION WAS 7.91 INCHES...2.21 INCHES BELOW NORMAL. THIS
RANKED AS THE 41ST DRIEST FALL SEASON ON RECORD. SEPTEMBER WAS ABOUT
A HALF INCH ABOVE NORMAL WHILE OCTOBER WAS NEARLY 2 INCHES BELOW
NORMAL AND NOVEMBER WAS NEARLY AN INCH BELOW NORMAL.

THE SEASONAL SNOWFALL TOTAL WAS 9.1 INCHES...3.9 INCHES ABOVE
NORMAL. THIS RANKED AS THE 30TH SNOWIEST FALL SEASON ON RECORD. ALL
OF THIS SNOW FELL DURING ONE EVENT ON THE 21ST AND 22ND OF NOVEMBER.

HERE IS A MONTH BY MONTH SUMMARY OF THE 2015 FALL SEASON...

...A WARM AND SLIGHTLY WET SEPTEMBER TO START THE FALL SEASON...

THE FIRST MONTH OF METEOROLOGICAL FALL WAS RATHER UNEVENTFUL...VERY
WARM AND SURPRISINGLY WETTER THAN NORMAL. MEASURABLE PRECIPITATION
OCCURRED ON JUST 5 DAYS DURING THE MONTH...BUT OVER AN INCH OF RAIN
FELL ON 3 OF THESE DAYS. AN INCREDIBLE 21 DAYS OF THE MONTH WERE
CONSIDERED MOSTLY CLEAR AND ONLY THREE DAYS WERE CONSIDERED CLOUDY.

THE AVERAGE MONTHLY TEMPERATURE WAS 67.1...3.2 DEGREES ABOVE NORMAL.
THIS TIED WITH THE YEAR 1936 AS THE 24TH WARMEST SEPTEMBER ON
RECORD. THE AVERAGE HIGH TEMPERATURE WAS 78.0 AND THE AVERAGE LOW
WAS 56.3 DEGREES. THE HIGHEST TEMPERATURE WAS 90...WHICH OCCURRED ON
3 DAYS. THE LOWEST TEMPERATURE WAS 42...WHICH OCCURRED ON THE 13TH.

TOTAL PRECIPITATION WAS 4.05 INCHES...0.52 INCHES ABOVE NORMAL. THIS
TIED WITH THE YEAR 1899 AS THE 37TH WETTEST SEPTEMBER.

...A DRY OCTOBER WITH NEAR NORMAL TEMPERATURES...

TEMPERATURES FOR OCTOBER AVERAGED JUST SLIGHTLY ABOVE NORMAL WHILE
PRECIPITATION WAS WELL BELOW NORMAL. IT WAS GENERALLY AN UNEVENTFUL
MONTH WITH ABOUT 80 PERCENT OF THE MONTHLY RAINFALL OCCURRING ON 3
OF THE LAST 5 DAYS OF THE MONTH. NEARLY HALF OF THE MONTHLY
PRECIPITATION FELL ON THE 27TH AND 28TH. THIS RAINFALL WAS
COMPLIMENTS OF THE REMNANTS OF HURRICANE PATRICIA...WHICH HAD
EARLIER FORMED IN THE EASTERN PACIFIC OCEAN AND WAS DESIGNATED AS
THE STRONGEST HURRICANE ON RECORD IN THE EASTERN NORTH PACIFIC AND
ATLANTIC OCEAN REGION.

THE FIRST 26 DAYS OF OCTOBER WERE SO DRY THAT PARTS OF THE REGION
EXPERIENCED A FLASH DROUGHT AND WERE INCLUDED IN THE NATIONAL
DROUGHT MONITOR. MUCH OF NORTHERN INDIANA WAS INCLUDED IN THE
CATEGORY D0 WHICH REPRESENTS ABNORMALLY DRY CONDITIONS. A SMALL PART
OF EXTREME NORTHERN INDIANA AND MUCH OF SOUTHWEST LOWER MICHIGAN
WERE INCLUDED IN THE CATEGORY D1 WHICH REPRESENTS A MODERATE
DROUGHT. THE RAIN AT THE END OF THE MONTH HELPED PROVIDE MUCH NEEDED
SOIL MOISTURE GOING INTO THE WINTER SEASON.

WEATHER CONDITIONS ON OCTOBER 19TH WERE SO DRY THAT A RARE RED FLAG
WARNING WAS ISSUED FOR NORTHERN INDIANA. THIS WARNING IS ISSUED WHEN
THE COMBINATION OF ATMOSPHERIC CONDITIONS AND DRY VEGETATION COULD
LEAD TO RAPIDLY SPREADING WILD FIRES. AFTERNOON RELATIVE HUMIDITY
VALUES DROPPED BELOW 30 PERCENT WHILE GUSTY SURFACE WINDS INCREASED
TO AROUND 30 MPH.

THE AVERAGE MONTHLY TEMPERATURE FOR OCTOBER AT SOUTH BEND
INTERNATIONAL AIRPORT WAS 52.8...0.7 DEGREES ABOVE NORMAL. THIS TIED
WITH 1954 AND 1989 AS THE 64TH WARMEST OCTOBER. THE HIGHEST
TEMPERATURE WAS 78 ON THE 21ST AND THE LOWEST TEMPERATURE WAS 28 ON
THE 18TH.

IT WAS A DRY MONTH WITH JUST 1.48 INCHES OF PRECIPITATION...1.84
INCHES BELOW NORMAL. THIS RANKED AS THE 27TH DRIEST OCTOBER.
MEASURABLE PRECIPITATION FELL ON JUST 7 DAYS WITH ONE OF THOSE
DAYS...OCTOBER 28TH...HAVING MORE THAN A HALF INCH OF PRECIPITATION.

THERE WAS NO SNOWFALL DURING THE MONTH. NORMAL OCTOBER SNOWFALL IS
0.4 INCHES.

...WARM NOVEMBER AT SOUTH BEND DESPITE MID MONTH WINTER BLAST...

THE FIRST WEEK OF NOVEMBER WAS QUITE WARM AT SOUTH BEND...WITH 4
DAYS OF HIGH TEMPERATURES IN THE 70S FROM THE 2ND THROUGH THE 5TH.
ANOTHER WARM STRETCH OF TEMPERATURES WERE OBSERVED FROM THE 15TH
THROUGH THE 18TH WITH HIGHS OF AT LEAST 58 DEGREES EACH DAY.
HOWEVER...A WINTER STORM BROUGHT COLDER TEMPERATURES AND THE FIRST
MEASURABLE SNOWFALL OF THE SEASON ON THE 21ST. 9.1 INCHES OF SNOW
FELL AT SOUTH BEND ON THE 21ST AND 22ND...WITH THE HIGH TEMPERATURE
ONLY REACHING 30 DEGREES ON THE 22ND. THE SNOW MELTED QUICKLY AS
TEMPERATURES WARMED TO NEAR 60 DEGREES BY THANKSGIVING DAY ON THE
26TH. THE SNOW DEPTH WENT FROM 8 INCHES ON THE MORNING OF THE 22ND
TO NOTHING BY THE MORNING OF THE 26TH. THE MONTH ENDED WITH A COOLER
AND WETTER WEATHER PATTERN.

THE AVERAGE MONTHLY TEMPERATURE AT SOUTH BEND FOR NOVEMBER WAS 44.5
DEGREES...3.8 DEGREES ABOVE NORMAL. THIS RANKED AS THE 12TH WARMEST
NOVEMBER ON RECORD. THE HIGHEST TEMPERATURE WAS 75 ON THE 4TH AND
THE LOWEST WAS 11 ON THE 22ND. THERE WERE 4 DAYS WITH A HIGH OF 70
DEGREES OR MORE...WHICH TIED FOR THE 2ND MOST 70 DEGREE DAYS IN
NOVEMBER AT SOUTH BEND ON RECORD.

NOVEMBER PRECIPITATION AT SOUTH BEND TOTALED 2.38 INCHES...WHICH WAS
0.89 INCHES BELOW NORMAL. THIS RANKED AS THE 54TH DRIEST NOVEMBER ON
RECORD.  MEASURABLE RAINFALL WAS RECOREDED ON 11 DAYS DURING THE
MONTH. THE GREATEST 24 HOUR PRECIPITATION TOTAL DURING THE MONTH WAS
0.77 INCHES ON THE 27TH. THE 9.1 INCHES OF SNOWFALL WAS 4.3 INCHES
ABOVE NORMAL. THIS RANKED AS THE 33RD SNOWIEST NOVEMBER ON
RECORD...AND WAS 10.0 INCHES LESS THAN THE NOVEMBER SNOWFALL TOTAL
FROM 2014.

$$
LASHLEY



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.