March 9th 2002

"First Storm of the Season"

Dynamic wind generated clouds from the on coming of the first wave of precipitation associated with the warm front. Temps were 15 deg
As the south saw warm mild conditions parts of the North were blanketed by 20 - 30cm of snow.
Some accumulations of snow in the north were already fairly heavy even though only 1/4 of the storm had passed.
snw_cov1.jpg (49251 bytes) Snow coverd trees in North Western Ontario.
High winds generated by the warm front prompted wind warnings as well as those which would be generated by the cold front.
Around 6:35 PM the sharp cold front had triggered a squall line to the south which was being fed by both warm and cold air off lake Erie and Ontario. Notice the faint flicker of lightning in the dead center of the pic just above the roof of the house.
Another picture of the rather nice dynamic clouds generated by the anvil and strong winds. Notice the patch of blue sky in the center of the picture.
The squall line was relatively weak but it would later make a huge mark on the East.

TWN displays some peak wind gusts at the airports.
A TWN caption showing damage along some Toronto streets.
Another TWN caption showing some more damage along Toronto city streets.
Shortly after the squall line moved through EC quickly put out snow squall warnings. York-Durham was not one of the areas under a warning however you will soon see that they should have very well been.
A second intense snow squall band forms at 12:30 and heads towards Vaughan at a snails pace. Reaching us at 12:40 it unleashes nearly 3 inches of snow in the  half hour it took to pass. A police report stated that there were 2 car pileups along hwy 7 just half a km from one another. The first was a 7 car pileup and the second a 10 car pileup.
squall_start.jpg (14356 bytes) Taken at 12:30 just before the majority of the snow fell. There were only flurries at this time. Compare visibility in this image to the one below.
At 12:40 on the dot the second more powerful wave of a snow squall band moved through. Visibility became nearly 0 with winds steady at 70km/h gusting to 140km/h. The pic was taken using a 3 second exposure and much brighter than it was in reality.
A car braving the blinding snow. This is a still from a video which is slightly darker than it was in reality.
squall4rad.gif (10527 bytes) A 3rd intense snow squall which struck at 3:26 am and dumped over 3 inches of snow in half an hour.

Downloads:

Warnings

WIND WARNING FOR:
      TORONTO
      WINDSOR-ESSEX-CHATHAM-KENT
      ELGIN
      SARNIA-LAMBTON
      LONDON-MIDDLESEX-OXFORD
      BRANT-HALDIMAND-NORFOLK
      NIAGARA
      HAMILTON
      WATERLOO-WELLINGTON-DUFFERIN
      HALTON-PEEL
      YORK-DURHAM
      HURON-PERTH
      GREY-BRUCE
      BARRIE-HURONIA-SIMCOE COUNTY
      PARRY SOUND-MUSKOKA.

      ..DAMAGING WINDS GUSTING TO 100-110 KM/H LIKELY IN MANY AREAS
       WITH A SQUALL LINE AND COLD FRONT THIS EVENING..

      THIS IS A WARNING THAT DAMAGING WINDS ARE IMMINENT OR
      OCCURRING IN THESE REGIONS. MONITOR WEATHER
      CONDITIONS..LISTEN FOR UPDATED STATEMENTS.

---------------------------------------------------------------------
==DISCUSSION==

THIS IS A DANGEROUS WIND SITUATION. THE PUBLIC IS ADVISED TO
EXERCISE EXTREME CAUTION.

RADAR AND OBSERVATIONS SHOW THE SHARP COLD FRONT AND SQUALL LINE ON
A NORTH-SOUTH LINE THROUGH LONDON AT 5.30 PM. THIS FRONT WILL REACH
KITCHENER AND HAMILTON NEAR 6.15 PM AND THE TORONTO - NIAGARA AREAS
AROUND 6.45 PM THIS EVENING.

NUMEROUS REPORTS OF WIND DAMAGE IN LONDON AND SARNIA HAVE BEEN
RECEIVED WITH TREES DOWN AND POWER OUTAGES. WIND GUSTED TO 113 KM/H
AT LONDON AIRPORT AT 5.33 PM.

THE COLD FRONT WILL BE MARKED BY A SQUALL LINE AND SUDDEN SHIFT OF
THE WINDS INTO THE WEST..WITH WIND SPEEDS OF 60 KM/H GUSTING TO 100
KM/H LIKELY ACROSS MANY AREAS. GUSTS OF 120 KM/H ARE POSSIBLE IN A
FEW EXPOSED AREAS. IN ADDITION..HEAVY DOWNPOURS AND AN ISOLATED
THUNDERSTORM ARE ALSO POSSIBLE WITH THE FRONTAL PASSAGE.

THESE WINDS ARE STRONG ENOUGH TO CAUSE DAMAGE TO TREES AND SOME
BUILDINGS. IN ADDITION MOTORISTS AND PEDESTRIANS SHOULD EXERCISE
EXTREME CAUTION IN THE VERY STRONG AND GUSTY WINDS AS DEBRIS AND
LOOSE ITEMS CAN EASILY BE TOSSED ABOUT.

THE WINDS WILL DIMINISH SOMEWHAT LATER TONIGHT. HOWEVER SNOWSQUALLS
EXPECTED TO RAPIDLY FORM IN THE SNOWBELT REGIONS EAST OF LAKE HURON
AND GEORGIAN BAY OVERNIGHT. ZERO VISIBILITY FROM BLOWING SNOW IN
WHITEOUT CONDITIONS WILL BE THE MAIN PROBLEM IN THE SNOWSQUALLS
TONIGHT AND SUNDAY..WITH LOCAL ACCUMULATIONS OF 10 TO 20 CM LIKELY
BY SUNDAY EVENING.

TRAVEL IN THE AREAS EAST OF LAKE HURON AND GEORGIAN BAY WILL REMAIN
HAZARDOUS THROUGH SUNDAY AS A RESULT. MOTORISTS ARE ADVISED TO
EXERCISE EXTREME CAUTION.

PLEASE REFER TO THE LATEST PUBLIC FORECASTS FOR FURTHER DETAILS.

END/KUHN

WOCN10 CWTO 101106
GENERAL WEATHER STATEMENT
UPDATED BY ENVIRONMENT CANADA. REGIONAL CENTRE TORONTO ONTARIO.
6.06 AM EST SUNDAY 10 MARCH 2002.

THE FOLLOWING IS AN UPDATED REPORT ON THE DAMAGING WINDS THAT ROARED
ACROSS SOUTHERN AND EASTERN ONTARIO LAST NIGHT. THERE WERE NUMEROUS
REPORTS OF DOWNED TREES AND POWER OUTAGES.

THE TABLE BELOW SHOWS REPORTS OF STRONG WINDS AND DAMAGE RECEIVED BY
ENVIRONMENT CANADA AS OF 6.00 AM.


LOCATION           PEAK WIND SPEED       COMMENTS
                       (KM/H)


WINDSOR                94 KM/H
BELLE RIVER
 (E WINDSOR)           83 KM/H
ERIEAU                 99 KM/H
SARNIA                 90 KM/H (EST)     TREES DOWN
                                         POWER OUT
LONDON                113 KM/H           30-40 FOOT HIGH TREES DOWN
                                         POWER OUT
KITCHENER             100 KM/H           TREES DOWN
 - WATERLOO
BADEN (W KITCHENER)   138 KM/H           ON TOP OF HILL NEAR BADEN
SHELBURNE              94 KM/H
HAMILTON MOUNT
HOPE AIRPORT           93 KM/H
WIARTON                96 KM/H
GEORGETOWN            103 KM/H
PORT COLBORNE         135 KM/H           ALONG LAKE ERIE SHORE
ST CATHARINES          89 KM/H
VINELAND               85 KM/H
NIAGARA FALLS         105 KM/H
BUFFALO                94 KM/H
RICHMOND HILL          90 KM/H
TORONTO BUTTONVILLE   111 KM/H
TORONTO                95 KM/H           TREES DOWN AND POWER OUTAGES
TORONTO ISLAND         98 KM/H
CAMP BORDEN           102 KM/H
LINDSAY               100 KM/H (EST)     TREES DOWN
COBOURG                96 KM/H
GODERICH               95 KM/H
LONG POINT            113 KM/H           ALONG LAKE ERIE SHORE
GORE BAY               93 KM/H
TRENTON                91 KM/H
POINT PETRE           133 KM/H
NEAR SMITHS FALLS     100 KM/H (EST)     BARN ROOF AND LARGE BEAMS
                                         AIRBORNE BLOWN 100 FT ACROSS
                                         HWY 15

END/ASHTON



       

WOCN10 CWTO 100037
GENERAL WEATHER STATEMENT
ISSUED BY ENVIRONMENT CANADA. REGIONAL CENTRE TORONTO ONTARIO.
7.37 PM EST SATURDAY 9 MARCH 2002.

  DAMAGING WINDS ROAR ACROSS SOUTHERN ONTARIO THIS EVENING
COURTESY OF A SHARP ARCTIC COLD FRONT THAT IS RACING THROUGH
AND BRINGING AN END TO THE LATEST TASTE OF SPRING. THERE ARE
SEVERAL REPORTS OF TREES DOWN AND POWER OUT AS A RESULT OF THE
STRONG WINDS. THERE HAS EVEN BEEN THE ODD REPORT OF THUNDER
WITH THE SQUALL LINE.

  THE TABLE BELOW SHOWS REPORTS OF STRONG WINDS AND DAMAGE
RECEIVED BY ENVIRONMENT CANADA AS OF 7.15 PM. THIS TABLE
WILL BE UPDATED AS REQUIRED.


LOCATION           PEAK WIND SPEED         COMMENTS
                       (KM/H)


WINDSOR                94 KM/H
BELLE RIVER
 (E WINDSOR)           83 KM/H
ERIEAU                 99 KM/H
SARNIA                 90 KM/H (EST)       TREES DOWN
                                           POWER OUT
LONDON                113 KM/H             30-40 FOOT HIGH TREES DOWN
                                           POWER OUT
KITCHENER             100 KM/H             TREES DOWN
 - WATERLOO
BADEN (W KITCHENER)   138 KM/H             ON TOP OF HILL NEAR BADEN
SHELBURNE              94 KM/H
HAMILTON MOUNT
 HOPE AIRPORT          93 KM/H
WIARTON                93 KM/H
GEORGETOWN            103 KM/H
PORT COLBORNE         124 KM/H             AT LAKE ERIE SHORE
ST CATHARINES          89 KM/H
VINELAND               85 KM/H
NIAGARA FALLS         105 KM/H
BUFFALO                94 KM/H
RICHMOND HILL          90 KM/H
TORONTO BUTTONVILLE   111 KM/H
TORONTO ISLAND         93 KM/H
CAMP BORDEN           102 KM/H

END/KUHN

WWCN13 CWTO 102042
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 3:42 PM EST SUNDAY 10 MARCH 2002.
---------------------------------------------------------------------
WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...

SNOWSQUALL WARNING FOR:
      DUFFERIN COUNTY
      GREY COUNTY
      SIMCOE COUNTY
      DISTRICT MUNICIPALITY OF MUSKOKA
      DISTRICT OF PARRY SOUND
      HURON COUNTY
      BRUCE COUNTY
      PERTH COUNTY
      REGIONAL MUNICIPALITY OF WATERLOO
      WELLINGTON COUNTY.

      ..INTENSE SNOWSQUALLS WITH STRONG WINDS AND ZERO VISIBILITY IN
      WHITEOUT CONDITIONS..

      THIS IS A WARNING THAT SNOWSQUALLS ARE IMMINENT OR OCCURRING IN
      THESE REGIONS.  MONITOR WEATHER CONDITIONS..LISTEN FOR UPDATED
      STATEMENTS.

WIND WARNING FOR:
      TORONTO
      ELGIN
      LONDON-MIDDLESEX-OXFORD
      BRANT-HALDIMAND-NORFOLK
      NIAGARA
      HAMILTON
      WATERLOO-WELLINGTON-DUFFERIN
      HALTON-PEEL
      YORK-DURHAM
      HURON-PERTH
      GREY-BRUCE
      BARRIE-HURONIA-SIMCOE COUNTY
      PARRY SOUND-MUSKOKA.

      ..HIGH WINDS CONTINUING WITH GUSTS TO 90 KM/H THIS AFTERNOON
      AND OCCASIONAL WHITEOUT CONDITIONS FROM BLOWING SNOW..

      THIS IS A WARNING THAT DAMAGING WINDS ARE IMMINENT OR OCCURRING
      IN THESE REGIONS.  MONITOR WEATHER CONDITIONS..LISTEN FOR
      UPDATED STATEMENTS.

 

Please use the back [<-] button of your browser.

All images are copyright©2002 Vaughan Weather

www.vaughanweather.com