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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
907 AM EST THU DEC 1 2011
...NOVEMBER 2011 WEATHER SUMMARY...
HIGH PRESSURE OVER THE EASTERN UNITED STATES PROVIDED DRY WEATHER
AND LOTS OF SUNSHINE FOR THE FIRST COUPLE DAYS OF NOVEMBER. FROM
NOVEMBER 3-4 AN AREA OF LOW PRESSURE BROUGHT WIDESPREAD MODERATE
RAINFALL TO THE TRI STATE AREA...WITH LIGHTER RAIN ACROSS THE DAYTON
AND COLUMBUS METRO AREAS. CINCINNATI SET A DAILY PRECIPITATION
RECORD ON THE 3RD WITH 2.26 INCHES REPORTED. QUIET WEATHER RETURNED
FOR THE NEXT SEVERAL DAYS AS ANOTHER HIGH PRESSURE SYSTEM MOVED INTO
THE REGION.
TOWARDS THE MIDDLE OF THE MONTH...A SERIES OF STRONG LOW PRESSURE
SYSTEMS RESULTED IN SEVERAL WINDY DAYS WITH WIND GUSTS OF 35-45 MPH
COMMON ACROSS THE REGION. TEMPERATURES ON THE 14TH SOARED INTO THE
LOWER 70S THANKS TO A STEADY SOUTHERLY BREEZE. THAT EVENING...A SLOW
MOVING COLD FRONT INTERACTED WITH A WARM AND UNSTABLE AIRMASS...
RESULTING IN A LATE SEASON SEVERE WEATHER OUTBREAK ACROSS THE AREA.
DAMAGING WINDS OF 55 TO 60 MPH CAUSED SOME MINOR STRUCTURAL DAMAGE
AND KNOCKED DOWN SEVERAL TREES. IN ADDITION...THE STORMS PRODUCED
LARGE HAIL UP TO 1.25 INCHES IN DIAMETER AND AROUND AN INCH OF RAIN.
ANOTHER ROUND OF MODERATE TO HEAVY RAINFALL AFFECTED THE REGION FROM
NOVEMBER 20-22 WITH TOTALS OF 1 TO 1.5 INCHES. AS HIGH PRESSURE
SETTLED IN BEHIND THE RAIN...MUCH OF THIS MOISTURE WAS TRAPPED IN
THE LOW LEVELS OF THE ATMOSPHERE WHICH RESULTED IN A STUBBORN LOW
CLOUD DECK THAT STUCK AROUND FOR A COUPLE DAYS. DESPITE THE CLOUDS
AND COOLER TEMPERATURES...THANKSGIVING DAY WAS AT LEAST DRY.
NOVEMBER CAME TO A CLOSE WITH ANOTHER ROUND OF SIGNIFICANT RAINFALL
THAT LASTED FROM THE 27TH TO THE 29TH. OVER 2 INCHES OF RAIN FELL
ACROSS MUCH OF THE AREA DURING THIS TIMEFRAME. AS COLDER AIR FILTERED
IN...AREAS WEST OF THE I-71 CORRIDOR ALSO SAW THE RAIN CHANGE OVER
TO THE FIRST ACCUMULATING SNOW OF THE SEASON ON THE 29TH. AROUND 1-3
INCHES OF SNOW WAS REPORTED NORTH AND WEST OF THE DAYTON METRO
AREA...AND A FEW LOCATIONS EVEN SAW CLOSER TO 4 INCHES. THE
ABUNDANCE OF PRECIPITATION LATE THIS MONTH RESULTED IN SUBSTANTIAL
RISES ON AREA STREAMS AND RIVERS...WITH SOME MINOR FLOODING REPORTED
AT SOME LOCATIONS.
SEVERAL DAYS OF MILD SOUTHERLY BREEZES HELPED TO PUSH AVERAGE
MONTHLY TEMPERATURES FOR NOVEMBER 2011 WELL ABOVE NORMAL. IN FACT
IT WAS THE 5TH WARMEST NOVEMBER ON RECORD FOR COLUMBUS...THE 9TH
WARMEST FOR CINCINNATI...AND THE 10TH WARMEST FOR DAYTON.
NOVEMBER AVG TEMP / DEPARTURE FROM NORMAL
CINCINNATI 49.1 / +4.0
COLUMBUS 48.7 / +4.3
DAYTON 47.2 / +4.4
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TOP 10 WARMEST NOVEMBERS ON RECORD (AVG TEMP)
CINCINNATI DAYTON COLUMBUS
1. 53.7 / 1931 1. 52.0 / 1931 1. 51.3 / 1931
2. 53.1 / 1909 2. 51.3 / 1909 2. 49.8 / 1902
3. 52.4 / 1902 3. 49.7 / 1902 3. 49.6 / 2001
4. 50.0 / 2001 4. 48.6 / 1975 49.6 / 1909
5. 49.9 / 1985 5. 48.5 / 2001 5. 48.7 / 2011*
49.9 / 1946 6. 48.3 / 1994 6. 48.2 / 1994
7. 49.8 / 1994 7. 48.0 / 1946 7. 48.1 / 1985
8. 49.6 / 1913 8. 47.6 / 1985 8. 48.0 / 1946
9. 49.1 / 2011* 9. 47.3 / 1999 9. 47.8 / 2009
10. 49.0 / 1975 10. 47.2 / 2011* 10. 47.5 / 1999
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PRECIPITATION TOTALS FOR THE MONTH ALSO FINISHED WELL ABOVE AVERAGE.
AS A RESULT...CINCINNATI EXPERIENCED ITS WETTEST NOVEMBER ON RECORD
WITH 8.33 INCHES. IT WAS THE 6TH WETTEST NOVEMBER ON RECORD FOR
DAYTON WITH 5.81 INCHES. WITH 4.77 INCHES...THIS RANKED AS THE 13TH
WETTEST NOVEMBER ON RECORD FOR COLUMBUS.
NOVEMBER PRECIP / DEPARTURE FROM NORMAL
CINCINNATI 8.33 / +4.90
COLUMBUS 4.77 / +1.57
DAYTON 5.81 / +2.42
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TOP 10 WETTEST NOVEMBERS ON RECORD (INCHES)
CINCINNATI DAYTON COLUMBUS
1. 8.33 / 2011* 1. 8.40 / 1897 1. 10.67 / 1985
2. 7.51 / 1985 2. 8.07 / 1985 2. 7.54 / 1897
3. 6.94 / 2010 3. 6.50 / 1927 3. 6.19 / 1927
4. 6.80 / 1897 4. 6.22 / 1988 4. 5.50 / 1921
5. 6.43 / 1927 5. 6.19 / 1993 5. 5.44 / 1891
6. 6.26 / 1972 6. 5.81 / 2011* 6. 5.40 / 1950
7. 6.25 / 1957 7. 5.67 / 1955 7. 5.37 / 1973
8. 6.09 / 1948 8. 5.52 / 1948 8. 5.35 / 1881
9. 6.00 / 1984 9. 5.32 / 1895 9. 5.32 / 1895
10. 5.76 / 1925 10. 5.07 / 1992 10. 5.19 / 1982
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THE RECORD BREAKING YEARLY PRECIPITATION AMOUNT AT CINCINNATI ALSO
CONTINUES TO RISE...CURRENTLY AT 66.76 INCHES THROUGH THE END OF
NOVEMBER. THE OLD RECORD AT CINCINNATI WAS 57.58 INCHES SET IN 1990.
THIS NOW RANKS AS THE FOURTH WETTEST YEAR ON RECORD AT BOTH DAYTON
AND COLUMBUS WITH 51.38 INCHES AND 49.52 INCHES...RESPECTIVELY. THE
RECORD FOR DAYTON STANDS AT 59.75 INCHES AND AT COLUMBUS THE RECORD
STANDS AT 53.16 INCHES...BOTH SET IN 1990.
$$
KURZ
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