WOCN11 CWTO 191155
SPECIAL WEATHER STATEMENT
ISSUED BY ENVIRONMENT CANADA ONTARIO REGION.
6:55 AM EST SUNDAY 19 DECEMBER 2004.
SPECIAL WEATHER STATEMENT ISSUED FOR..
CITY OF TORONTO
WINDSOR - ESSEX - CHATHAM-KENT
SARNIA - LAMBTON
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
NIAGARA
CITY OF HAMILTON
HALTON - PEEL
YORK - DURHAM
HURON - PERTH
WATERLOO - WELLINGTON
DUFFERIN - INNISFIL
GREY - BRUCE
BARRIE - ORILLIA - MIDLAND
BELLEVILLE - QUINTE - NORTHUMBERLAND
KINGSTON - PRINCE EDWARD
PETERBOROUGH - KAWARTHA LAKES
STIRLING - TWEED - SOUTH FRONTENAC
BANCROFT - BON ECHO
BROCKVILLE - LEEDS AND GRENVILLE
CITY OF OTTAWA
GATINEAU
PRESCOTT AND RUSSELL
CORNWALL - MORRISBURG
SMITHS FALLS - LANARK - SHARBOT LAKE
PARRY SOUND - MUSKOKA - HUNTSVILLE
HALIBURTON
RENFREW - PEMBROKE - BARRY'S BAY
ALGONQUIN
BURK'S FALLS - BAYFIELD INLET.
COLDEST ARCTIC AIR OF THE SEASON SO FAR HAS ARRIVED.
A SHARP ARCTIC COLD FRONT THAT BLASTED THROUGH SOUTHERN ONTARIO LAST
NIGHT AND EARLY THIS MORNING HERALDED THE ARRIVAL OF MUCH COLDER
ARCTIC AIR. TEMPERATURE PLUNGED AS MUCH AS 10 DEGREES IN THE FIRST
HOUR AFTER THE FRONTS PASSAGE TO WELL BELOW FREEZING..AND WITH WET
SNOW OR RAIN IN THE AREA AS THE FRONT PASSED..FLASH FREEZE WARNINGS
WERE ISSUED. REMAINING FLASH FREEZE WARNINGS FOR EASTERN ONTARIO
WILL BE ENDED THIS MORNING ONCE THE FRONT HAS PASSED BY.
WIND CHILLS ARE EXPECTED TO REACH THE WARNING THRESHOLD ACROSS
PARTS OF SOUTHERN AND EASTERN ONTARIO BY TONIGHT AS THE MERCURY
CONTINUES TO PLUNGE USHERED IN BY STRONG NORTHERLY WINDS. THE WIND
CHILL WARNING LEVEL IS MINUS 30 FOR AREAS ALONG AND SOUTH OF AN
ORILLIA TO KINGSTON LINE AND MINUS 40 TO THE NORTH. ELSEWHERE WIND
CHILLS WILL NOT QUITE MAKE THE WARNING LEVELS BUT CAUTION IS STILL
ADVISED AS FROSTBITE IS POSSIBLE ON EXPOSED SKIN IN A SHORT PERIOD
OF TIME.
SNOWSQUALLS HAVE DEVELOPED IN THE TRADITIONAL SNOWBELT AREAS TO THE
SOUTHEAST OF LAKE HURON AND GEORGIAN BAY WHERE SNOWSQUALL WARNINGS
ARE IN EFFECT. COMBINED WITH THE STRONG WINDS LOW VISIBILITY AND
HIGH WIND CHILLS IN THE SNOWSQUALL LOCAL NEAR BLIZZARD CONDITIONS
ARE POSSIBLE.
CONDITIONS FOR THE ENTIRE FORECAST AREA WILL IMPROVE MONDAY MORNING
AS WINDS DIMINISH WITH AN ARCTIC HIGH PRESSURE RIDGE CROSSING THE
DISTRICT.
LISTEN FOR FURTHER STATEMENTS. ADDITIONAL INFORMATION MAY ALSO BE
FOUND BY CONSULTING THE LATEST PUBLIC FORECAST.
THE NEXT PUBLIC FORECAST WILL BE ISSUED BY 11 AM.
END/KUHN
WWCN11 CWTO 191457
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 9:57 AM EST SUNDAY 19 DECEMBER 2004.
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...
SNOWSQUALL WARNING FOR:
WATFORD - THE PINERY PARK - EASTERN LAMBTON COUNTY
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY
ST THOMAS - AYLMER - EASTERN ELGIN COUNTY
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
WINGHAM - BLYTH - NORTHERN HURON COUNTY
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY
HANOVER - DUNDALK - SOUTHERN GREY COUNTY
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
BARRIE - COLLINGWOOD - HILLSDALE
MIDLAND - COLDWATER - ORR LAKE
ORILLIA - LAGOON CITY - WASHAGO.
SNOWSQUALLS WITH WHITEOUT CONDITIONS TODAY AND TONIGHT.
THIS IS A WARNING THAT SNOWSQUALLS ARE IMMINENT OR
OCCURRING IN
THESE REGIONS. MONITOR WEATHER CONDITIONS..LISTEN FOR
UPDATED
STATEMENTS.
WIND CHILL WARNING FOR:
CITY OF TORONTO
CITY OF HAMILTON
HALTON - PEEL
YORK - DURHAM
DUFFERIN - INNISFIL
BARRIE - ORILLIA - MIDLAND
BELLEVILLE - QUINTE - NORTHUMBERLAND
KINGSTON - PRINCE EDWARD
PETERBOROUGH - KAWARTHA LAKES
STIRLING - TWEED - SOUTH FRONTENAC
PARRY SOUND - MUSKOKA - HUNTSVILLE
HALIBURTON
ALGONQUIN
BURK'S FALLS - BAYFIELD INLET.
BITTERLY COLD ARCTIC AIR GIVING WIND CHILLS OF MINUS 30 TO
MINUS 40 TONIGHT.
THIS IS A WARNING THAT EXTREME WIND CHILL CONDITIONS ARE
IMMINENT OR OCCURRING IN THESE REGIONS. MONITOR WEATHER
CONDITIONS..LISTEN FOR UPDATED STATEMENTS.
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WATCHES/WARNINGS ENDED FOR SOUTHERN ONTARIO...
FLASH FREEZE WARNING ENDED FOR:
BELLEVILLE - QUINTE - NORTHUMBERLAND
KINGSTON - PRINCE EDWARD
STIRLING - TWEED - SOUTH FRONTENAC
BROCKVILLE - LEEDS AND GRENVILLE
CITY OF OTTAWA
GATINEAU
PRESCOTT AND RUSSELL
CORNWALL - MORRISBURG
SMITHS FALLS - LANARK - SHARBOT LAKE.
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==DISCUSSION==
IN THE WAKE OF THE COLD FRONT OVERNIGHT SNOWSQUALLS HAVE RETURNED
WITH A VENGEANCE TO THE TRADITIONAL SNOWBELT AREAS SOUTHEAST OF LAKE
HURON AND GEORGIAN BAY AND WILL CONTINUE TODAY AND TONIGHT. SNOWFALL
AMOUNTS OF 10 TO 20 CENTIMETRES ARE LIKELY ALONG WITH WHITEOUT
CONDITIONS FROM BLOWING SNOW AND BURSTS OF HEAVY SNOW. AN
INTENSE SNOWSQUALL HAS DEVELOPED AND EXTENDS FROM SOUTHERN LAKE
HURON ACROSS EASTERN LAMBTON AND WESTERN MIDDLESEX COUNTIES INTO
ELGIN COUNTY JUST WEST OF ST THOMAS. SNOWSQUALLS ARE ALSO COMING IN
OFF OF GEORGIAN BAY FROM TOBERMORY TO WASAGA BEACH.
WITH PLUMMETING TEMPERATURES COMBINED WITH STRONG NORTHERLY WINDS
WIND CHILLS WILL REACH THE MINUS 30 TO MINUS 40 RANGE BY TONIGHT.
THE WARNING LEVEL FOR ALL AREAS FROM BARRIE TO KINGSTON AND SOUTH IS
MINUS 30..WITH MINUS 40 BEING THE WARNING LEVEL FOR REMAINING
REGIONS FURTHER NORTH.
EXTREME CAUTION IS ADVISED FOR TRAVELLERS IN THESE REGIONS. ONTARIO
PROVINCIAL POLICE REPORTS HAVE ALREADY INDICATED LOW TO AT TIMES NIL
VISIBILITY AND POOR DRIVING CONDITIONS IN THE FALLING SNOW YESTERDAY
AND EARLIER THIS MORNING. DANGEROUS DRIVING CONDITIONS WILL CONTINUE
IN THE SNOWSQUALLS AND TRAVEL PLANS SHOULD BE THUS ADJUSTED
ACCORDINGLY. IN ADDITION BECAUSE OF THE HIGH WIND CHILLS FROSTBITE
CAN OCCUR ON EXPOSED SKIN IN A SHORT PERIOD OF TIME.
THE SNOWSQUALLS WILL TAPER OFF AND WIND CHILLS WILL IMPROVE MONDAY
MORNING AS AN APPROACHING ARCTIC HIGH PRESSURE RIDGE CAUSES THE WINDS
TO DIMINISH.
PLEASE REFER TO THE LATEST PUBLIC FORECASTS FOR FURTHER DETAILS.
END/MISANCHUK
WOCN11 CWTO 192214
SPECIAL WEATHER STATEMENT
ISSUED BY ENVIRONMENT CANADA ONTARIO REGION. 5:14 PM EST SUNDAY
19 DECEMBER 2004.
SPECIAL WEATHER STATEMENT ISSUED FOR..
WINDSOR - ESSEX - CHATHAM-KENT
SARNIA - LAMBTON
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
HURON - PERTH
WATERLOO - WELLINGTON
GREY - BRUCE.
SIGNIFICANT WIND CHILL VALUES FOR AREAS AWAY FROM AND TO THE NORTH OF
THE GREAT LAKES TONIGHT AND MONDAY MORNING.
STRONG NORTHERLY WINDS WILL GIVE WIND CHILLS APPROACHING OR EXCEEDING
THE WARNING THRESHOLDS ACROSS SOUTHERN AND EASTERN ONTARIO AGAIN
TONIGHT AND MONDAY MORNING.
THE WIND CHILL WARNING LEVEL IS MINUS 30 FOR AREAS ALONG AND SOUTH OF
LINE FROM ORILLIA TO KINGSTON AND MINUS 40 TO THE NORTH OF IT.
CONDITIONS FOR THE ENTIRE FORECAST AREA WILL IMPROVE MONDAY MORNING
AS WINDS DIMINISH WITH AN ARCTIC HIGH PRESSURE RIDGE CROSSING THE
DISTRICT.
LISTEN FOR FURTHER STATEMENTS. ADDITIONAL INFORMATION MAY ALSO BE
FOUND BY CONSULTING THE LATEST PUBLIC FORECAST. THE NEXT PUBLIC
FORECAST WILL BE ISSUED BY 11 AM.
END/MISANCHUK
WWCN11 CWTO 200423
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 11:23 PM EST SUNDAY 19 DECEMBER 2004.
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...
SNOWSQUALL WARNING FOR:
WATFORD - THE PINERY PARK - EASTERN LAMBTON COUNTY
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY
WINGHAM - BLYTH - NORTHERN HURON COUNTY.
SNOWSQUALLS WITH WHITEOUT CONDITIONS OVERNIGHT INTO MONDAY
MORNING.
THIS IS A WARNING THAT SNOWSQUALLS ARE IMMINENT OR
OCCURRING IN
THESE REGIONS. MONITOR WEATHER CONDITIONS..LISTEN FOR
UPDATED
STATEMENTS.
WIND CHILL WARNING FOR:
CITY OF TORONTO
CITY OF HAMILTON
HALTON - PEEL
YORK - DURHAM
DUFFERIN - INNISFIL
BARRIE - ORILLIA - MIDLAND
BELLEVILLE - QUINTE - NORTHUMBERLAND
KINGSTON - PRINCE EDWARD
PETERBOROUGH - KAWARTHA LAKES
STIRLING - TWEED - SOUTH FRONTENAC
BANCROFT - BON ECHO
BROCKVILLE - LEEDS AND GRENVILLE
CITY OF OTTAWA
GATINEAU
PRESCOTT AND RUSSELL
CORNWALL - MORRISBURG
SMITHS FALLS - LANARK - SHARBOT LAKE
PARRY SOUND - MUSKOKA - HUNTSVILLE
HALIBURTON
RENFREW - PEMBROKE - BARRY'S BAY
ALGONQUIN
BURK'S FALLS - BAYFIELD INLET.
BITTERLY COLD ARCTIC AIR GIVING WIND CHILLS OF MINUS 30 TO
MINUS 40 OVERNIGHT TO MONDAY MORNING.
THIS IS A WARNING THAT EXTREME WIND CHILL CONDITIONS ARE
IMMINENT OR OCCURRING IN THESE REGIONS. MONITOR
WEATHER
CONDITIONS..LISTEN FOR UPDATED STATEMENTS.
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WATCHES/WARNINGS ENDED FOR SOUTHERN ONTARIO...
SNOWSQUALL WARNING ENDED FOR:
RODNEY - SHEDDEN - WESTERN ELGIN COUNTY
STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY
BRUCE PENINSULA - SAUBLE BEACH - TOBERMORY
OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
BARRIE - COLLINGWOOD - HILLSDALE.
SNOWSQUALLS HAVE MOVED OUT OF THESE REGIONS.
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==DISCUSSION==
INTENSE NORTHERLY SNOWSQUALLS PERSIST IN THE TRADITIONAL SNOWBELT
AREAS SOUTH OF LAKE HURON AND WILL CONTINUE OVERNIGHT.
SNOWFALL AMOUNTS OF 15 TO 30 CENTIMETRES ARE LIKELY ALONG WITH
WHITEOUT CONDITIONS DUE TO BLOWING SNOW AND HEAVY SNOW.
INTENSE SNOWSQUALLS EXTEND ALONG THE EASTERN SHORE OF LAKE HURON TO
GRAND BEND TO SOUTH OF WATFORD. SNOWSQUALLS OFF GEORGIAN BAY HAVE
WEAKENED.
EXTREME CAUTION IS ADVISED FOR TRAVELLERS IN THESE REGIONS.
ONTARIO PROVINCIAL POLICE REPORTS HAVE ALREADY INDICATED LOW TO AT
TIMES NIL VISIBILITY AND POOR DRIVING CONDITIONS IN SQUALLS EARLIER
TODAY.
DANGEROUS DRIVING CONDITIONS WILL CONTINUE IN THE SNOWSQUALLS AND
TRAVEL PLANS SHOULD BE THUS ADJUSTED ACCORDINGLY.
ADDITIONALLY PLUMMETING TEMPERATURES COMBINED WITH STRONG NORTHERLY
WINDS ARE RESULTING IN WIND CHILLS IN THE MINUS 30 TO MINUS 40 RANGE
TONIGHT AND MONDAY MORNING.
BECAUSE OF THE HIGH WIND CHILLS FROSTBITE CAN OCCUR ON EXPOSED SKIN
IN A SHORT PERIOD OF TIME.
THE SNOWSQUALLS WILL TAPER OFF AND WIND CHILLS WILL IMPROVE MONDAY
MORNING AS AN APPROACHING ARCTIC HIGH PRESSURE RIDGE ALLOWS THE WINDS
TO DIMINISH.
PLEASE REFER TO THE LATEST PUBLIC FORECASTS FOR FURTHER DETAILS.
END/YGM/MS