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March 2012 Summary

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
436 PM EDT SUN APR 1 2012

...MARCH 2012 WEATHER SUMMARY...

THE MONTH OF MARCH IS CONSIDERED THE METEOROLOGICAL START OF
SPRING...ALTHOUGH ONE COULD ARGUE THAT MARCH 2012 SEEMED ALMOST
LIKE THE START OF SUMMER. INDEED...MANY LONGSTANDING TEMPERATURE
RECORDS FELL AT ALL THREE CLIMATE STATIONS AS TEMPERATURES SOARED
WELL ABOVE AVERAGE DURING THE SECOND HALF OF THE MONTH. A HANDFUL OF
SEVERE WEATHER EVENTS ALSO OCCURRED DURING THE MONTH.

THE 2012 CONVECTIVE SEASON GOT OFF TO A BUSY START ON MARCH 2ND AS A
VERY POWERFUL STORM SYSTEM MOVED THROUGH THE OHIO VALLEY AND GREAT
LAKES...RESULTING IN A SIGNIFICANT TORNADO OUTBREAK ACROSS THE
REGION. IN TOTAL...A DOZEN TORNADOES WERE CONFIRMED WITHIN NWS
WILMINGTON'S WARNING AREA FROM THIS EVENT...INCLUDING SEVERAL STRONG
TORNADOES. AN EF4 TORNADO RESULTED IN EXTREME DAMAGE ALONG ITS PATH
FROM NEAR CRITTENDEN TO PINER IN NORTHERN KENTUCKY...WHILE TWO EF3
TORNADOES CAUSED SIGNIFICANT DAMAGE NEAR HOLTON INDIANA AND FROM
NEAR PEACH GROVE KENTUCKY TO MOSCOW OHIO. IN ADDITION...SEVERAL
OTHER WEAKER EF0-EF2 TORNADOES WERE CONFIRMED ACROSS THE AREA. THE
STRONG STORMS ALSO RESULTED IN LARGE HAIL UP TO BASEBALL SIZE IN
SOME AREAS.

AN ALBERTA CLIPPER MOVED THROUGH KENTUCKY ON MARCH 4-5 AND BROUGHT A
DUSTING TO AROUND 2 INCHES OF SNOW TO THE AREA...WITH THE HIGHEST
AMOUNTS GENERALLY ALONG AND SOUTH OF THE OHIO RIVER. ANOTHER SYSTEM
OF SHOWERS AND THUNDERSTORMS BROUGHT SIGNIFICANT RAINFALL TO
PORTIONS OF CENTRAL OHIO ON MARCH 15TH WHICH RESULTED IN SOME
FLOODING. THUNDERSTORMS ALSO BROUGHT SOME LARGE HAIL AND HEAVY RAIN
TO PORTIONS OF CENTRAL OHIO ON THE 18TH.

MOST OF THE SECOND HALF OF THE MONTH WAS DOMINATED BY UNSEASONABLY
WARM TEMPERATURES DUE TO A STRONG UPPER LEVEL RIDGE PARKED OVER THE
EASTERN HALF OF THE COUNTRY. TEMPERATURES SOARED INTO THE UPPER 70S
AND EVEN INTO THE LOW TO MID 80S FOR SEVERAL DAYS IN A ROW. RECORD
HIGH TEMPERATURES WERE BROKEN AT CINCINNATI ON 5 DAYS...AT COLUMBUS
ON 6 DAYS...AND AT DAYTON ON 5 DAYS. WITH A HIGH OF 85 DEGREES ON
THE 21ST AND 22ND...COLUMBUS ALSO SET A NEW RECORD FOR ITS HIGHEST
TEMPERATURE EVER RECORDED IN MARCH.

THE RECORD SETTING WARMTH CAME TO AN END BY MARCH 23RD...WHICH WAS
ALSO THE DAY THAT A STORM SYSTEM PRODUCED 3 BRIEF EF0 TORNADOES: 1
IN SWITZERLAND COUNTY INDIANA...AND 2 IN WARREN AND CLINTON COUNTIES
IN OHIO. ONLY MINOR DAMAGE WAS REPORTED WITH THE WEAK TORNADOES IN
OHIO. ONE FINAL STORM SYSTEM AFFECTED THE REGION ON THE 30TH...
PRODUCING SOME LARGE HAIL AND DAMAGING WINDS AS WELL AS SEVERAL
FUNNEL CLOUDS.

FINAL AVERAGE MONTHLY TEMPERATURES FINISHED AROUND 12 TO 13 DEGREES
ABOVE NORMAL...MAKING MARCH 2012 THE WARMEST MARCH ON RECORD AT ALL
THREE CLIMATE STATIONS:

                MARCH AVG TEMP / DEPARTURE FROM NORMAL
CINCINNATI           55.3      /        +11.7
COLUMBUS             53.8      /        +11.9
DAYTON               53.6      /        +13.2

*********************************************************************

               TOP 10 WARMEST MARCHES ON RECORD

     CINCINNATI           DAYTON              COLUMBUS
  1. 55.3 / 2012*     1. 53.6 / 2012*     1. 53.8 / 2012*
  2. 54.7 / 1946      2. 52.8 / 1946      2. 52.6 / 1946
  3. 54.6 / 1945      3. 52.4 / 1945      3. 51.4 / 1945
  4. 54.0 / 1910      4. 50.4 / 1921      4. 50.4 / 1973
  5. 52.3 / 1921         50.4 / 1910      5. 50.1 / 1910
  6. 51.6 / 1878      6. 48.6 / 1973      6. 49.9 / 1921
  7. 51.3 / 1907      7. 47.9 / 1935      7. 47.9 / 1935
  8. 50.7 / 2007      8. 47.7 / 1929      8. 47.7 / 1903
  9. 50.5 / 1973      9. 47.6 / 1903      9. 47.3 / 2007
 10. 49.7 / 1903     10. 47.5 / 1938         47.3 / 1929

*********************************************************************

MARCH PRECIPITATION AMOUNTS VARIED WIDELY ACROSS THE AREA DEPENDING
ON WHICH LOCATIONS WERE MOST OFTEN AFFECTED BY THUNDERSTORMS WITH
HEAVY RAINFALL:

                 MARCH PRECIP / DEPARTURE FROM NORMAL
CINCINNATI           2.86     /         -1.10
COLUMBUS             4.92     /         +1.90
DAYTON               2.66     /         -0.71

$$

KURZ



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Page last modified: April 1, 2012.
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