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Old 07-08-2010, 02:11 PM
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Derecho Derecho is offline
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Default EC confirms Leamington tornado now three tornadoes

Two F1 tornadoes, and one F2 tornado now.


WEATHER SUMMARY FOR ALL OF SOUTHERN ONTARIO AND
THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA TORONTO
AT 12:51 PM EDT THURSDAY 8 JULY 2010.

REASSESSMENT OF JUNE 6 LEAMINGTON TORNADO...NOT ONE TORNADO BUT
THREE SEPARATE TORNADOES
-------------------------------------------------------------
==WEATHER EVENT DISCUSSION==

AFTER CONTINUED STUDY OF THE DAMAGE PATTERN AND THE RADAR IMAGERY
FROM THE JUNE 6 TORNADO EVENT IN THE HARROW AND LEAMINGTON AREA, THE
EVENT HAS BEEN REASSESSED FROM A SINGLE FUJITA SCALE TWO TORNADO
(WITH PEAK WINDS OF 180 TO 240 KM/H) TO THREE SEPARATE TORNADOES.

THE FIRST TORNADO FROM THIS EVENT OCCURRED SOUTH OF HARROW, BETWEEN
DUNN ROAD AND ERIE ROAD, AND WAS RATED AS A FUJITA SCALE ONE TORNADO,
WITH PEAK WINDS BETWEEN 120 AND 170 KM/H, AND A PATH LENGTH OF
APPROXIMATELY 2 KM.

THE SECOND TORNADO OCCURRED ALONG RIDGE ROAD TO THE SOUTHEAST OF
HARROW AND WAS RATED AS A FUJITA SCALE TWO TORNADO, WITH PEAK WINDS
BETWEEN 180 AND 240 KM/H. THE PATH LENGTH WAS APPROXIMATELY 1 KM.

THE THIRD TORNADO OCCURRED THROUGH SOUTHERN SECTIONS OF LEAMINGTON
AND WAS RATED AS A FUJITA SCALE ONE TORNADO, WITH PEAK WINDS BETWEEN
120 AND 170 KM/H. THE PATH LENGTH WAS APPROXIMATELY 7 KM.

THE PARENT THUNDERSTORM WHICH SPAWNED THESE THREE TORNADOES ALSO
CAUSED OTHER DAMAGE IN THE AREA DUE TO DOWNBURSTS, WHICH ARE
LOCALIZED, POWERFUL WIND GUSTS. SOME OF THESE DOWNBURSTS WERE IN THE
FUJITA SCALE ONE RANGE, WITH PEAK WINDS BETWEEN 120 AND 170 KM/H.

WITH THIS REASSESSMENT OF THE JUNE 6 SEVERE WEATHER EVENT, THE TOTAL
NUMBER OF TORNADOES IN ONTARIO THIS SEASON NOW STANDS AT SIX. THE
SUMMER SEVERE WEATHER SEASON IN ONTARIO RUNS FROM LATE APRIL UNTIL
EARLY OCTOBER, AND ON AVERAGE ONTARIO HAS 11 TORNADOES EACH YEAR.

END/OSPC
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