Simcoe Day - Aug. 4, 2014

[SlideShowBob]

Nice little storm popped up just north of me. Smail hail and some good CG's. Watch just issued for our area.

[benjaminblizzard]

I'm in west end Toronto and things are starting up here. Fairly frequent thunder in the distance and sporadic rain.

[obwan]

good rotation, possible waterspout 10 miles north of Grimsby

[benjaminblizzard]

CP24 is reporting that EMS was called to Kingston and Morningside in Toronto after four people were struck by lightning.

[DarkSky]

Tstorms started about an hour ago just north of St. Catharines off the north shore, over L.Ontario. Radar showing storms in various locations across the Golden Horseshoe.

[DarkSky]

Watch issued:

009  WWCN11 CWTO 041918 SEVERE THUNDERSTORM WATCH FOR SOUTHERN ONTARIO UPDATED BY ENVIRONMENT CANADA AT 3:18 P.M. EDT MONDAY 4 AUGUST 2014. --------------------------------------------------------------------- SEVERE THUNDERSTORM WATCH FOR: =NEW= WINDSOR - ESSEX - CHATHAM-KENT =NEW= SARNIA - LAMBTON =NEW= ELGIN =NEW= LONDON - MIDDLESEX =NEW= SIMCOE - DELHI - NORFOLK =NEW= DUNNVILLE - CALEDONIA - HALDIMAND =NEW= OXFORD - BRANT =NEW= NIAGARA =NEW= CITY OF HAMILTON       CITY OF TORONTO       HALTON - PEEL       YORK - DURHAM       GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY       DUFFERIN - INNISFIL       HANOVER - DUNDALK - SOUTHERN GREY COUNTY       OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY       BARRIE - COLLINGWOOD - HILLSDALE       ORILLIA - LAGOON CITY - WASHAGO       LINDSAY - SOUTHERN KAWARTHA LAKES.  --------------------------------------------------------------------- ==DISCUSSION==  WARM AND HUMID AIR IS CREATING FAVOURABLE CONDITIONS FOR THE  DEVELOPMENT OF DANGEROUS THUNDERSTORMS THAT MAY BE CAPABLE OF  PRODUCING STRONG WIND GUSTS, LARGE HAIL AND TORENTIAL RAIN. ALTHOUGH  RAINFALL OF 50 TO 75 MM IS THE GREATEST THREAT, LOCALIZED LARGE HAIL  OF 2 CENTIMETRES AND BRIEF WIND GUSTS OF 90 KM/H ARE ALSO POSSIBLE.  FAST MOVING WATER ACROSS A ROAD CAN SWEEP A VEHICLE AWAY. LARGE HAIL  CAN DAMAGE PROPERTY AND CAUSE INJURY. STRONG WIND GUSTS CAN TOSS  LOOSE OBJECTS, DAMAGE WEAK BUILDINGS, BREAK BRANCHES OFF TREES AND  OVERTURN LARGE VEHICLES. REMEMBER, SEVERE THUNDERSTORMS CAN PRODUCE  TORNADOES. BE PREPARED FOR SEVERE WEATHER. TAKE COVER IMMEDIATELY,  IF THREATENING WEATHER APPROACHES. STAY AWAY FROM ALL WINDOWS,  SKYLIGHTS AND DOORS.  EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER  IMMEDIATELY, IF THREATENING WEATHER APPROACHES.  ENVIRONMENT CANADA METEOROLOGISTS WILL UPDATE ALERTS AS REQUIRED, SO  STAY TUNED TO YOUR LOCAL MEDIA OR WEATHERADIO. EMAIL REPORTS OF  SEVERE WEATHER TO STORM.ONTARIO(AT)EC.GC.CA OR TWEET WITH THE HASHTAG  (HASH)ONSTORM.  FOR MORE INFORMATION: HTTP://WWW.EMERGENCYMANAGEMENTONTARI...EPREPARED.HTML.  HTTP://WEATHER.GC.CA/WARNINGS/INDEX(UNDERSCORE)E.HTML?PROV=SON  END/MSC

[DarkSky]

Watch issued:

009 
WWCN11 CWTO 041918
SEVERE THUNDERSTORM WATCH
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 3:18 P.M. EDT MONDAY 4 AUGUST 2014.
---------------------------------------------------------------------
SEVERE THUNDERSTORM WATCH FOR:
=NEW= WINDSOR - ESSEX - CHATHAM-KENT
=NEW= SARNIA - LAMBTON
=NEW= ELGIN
=NEW= LONDON - MIDDLESEX
=NEW= SIMCOE - DELHI - NORFOLK
=NEW= DUNNVILLE - CALEDONIA - HALDIMAND
=NEW= OXFORD - BRANT
=NEW= NIAGARA
=NEW= CITY OF HAMILTON
      CITY OF TORONTO
      HALTON - PEEL
      YORK - DURHAM
      GUELPH - ERIN - SOUTHERN WELLINGTON COUNTY
      DUFFERIN - INNISFIL
      HANOVER - DUNDALK - SOUTHERN GREY COUNTY
      OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY
      BARRIE - COLLINGWOOD - HILLSDALE
      ORILLIA - LAGOON CITY - WASHAGO
      LINDSAY - SOUTHERN KAWARTHA LAKES.

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

WARM AND HUMID AIR IS CREATING FAVOURABLE CONDITIONS FOR THE 
DEVELOPMENT OF DANGEROUS THUNDERSTORMS THAT MAY BE CAPABLE OF 
PRODUCING STRONG WIND GUSTS, LARGE HAIL AND TORENTIAL RAIN. ALTHOUGH 
RAINFALL OF 50 TO 75 MM IS THE GREATEST THREAT, LOCALIZED LARGE HAIL 
OF 2 CENTIMETRES AND BRIEF WIND GUSTS OF 90 KM/H ARE ALSO POSSIBLE.

FAST MOVING WATER ACROSS A ROAD CAN SWEEP A VEHICLE AWAY. LARGE HAIL 
CAN DAMAGE PROPERTY AND CAUSE INJURY. STRONG WIND GUSTS CAN TOSS 
LOOSE OBJECTS, DAMAGE WEAK BUILDINGS, BREAK BRANCHES OFF TREES AND 
OVERTURN LARGE VEHICLES. REMEMBER, SEVERE THUNDERSTORMS CAN PRODUCE 
TORNADOES. BE PREPARED FOR SEVERE WEATHER. TAKE COVER IMMEDIATELY, 
IF THREATENING WEATHER APPROACHES. STAY AWAY FROM ALL WINDOWS, 
SKYLIGHTS AND DOORS.

EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER 
IMMEDIATELY, IF THREATENING WEATHER APPROACHES.

ENVIRONMENT CANADA METEOROLOGISTS WILL UPDATE ALERTS AS REQUIRED, SO 
STAY TUNED TO YOUR LOCAL MEDIA OR WEATHERADIO. EMAIL REPORTS OF 
SEVERE WEATHER TO STORM.ONTARIO(AT)EC.GC.CA OR TWEET WITH THE HASHTAG 
(HASH)ONSTORM.

FOR MORE INFORMATION:
HTTP://WWW.EMERGENCYMANAGEMENTONTARIO.CA/ENGLISH/BEPREPARED/BEPREPARED.HTML.

HTTP://WEATHER.GC.CA/WARNINGS/INDEX(UNDERSCORE)E.HTML?PROV=SON

END/MSC

[DarkSky]

Although this warning was completely unnecessary. We had a couple rumbles of thunder, no rain, no winds.

491 
WUCN11 CWTO 042002
SEVERE THUNDERSTORM WARNING
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 4:02 P.M. EDT MONDAY 4 AUGUST 2014.
---------------------------------------------------------------------
SEVERE THUNDERSTORM WARNING FOR:
=NEW= ST. CATHARINES - GRIMSBY - NORTHERN NIAGARA REGION.

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

UPDATED OR ENDED BY 5:14 P.M. EDT.

AT 4:02 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, UP TO 
PENNY SIZE HAIL AND HEAVY RAIN.

THE STORMS ARE EXPECTED TO LOCALES NEAR LAKE ONTARIO INCLUDING 
GRIMSBY, ST. CATHARINES AND NIAGARA-ON-THE-LAKE.

TAKE COVER IMMEDIATELY, IF THREATENING WEATHER APPROACHES. INTENSE 
LIGHTNING IS LIKELY WITH ANY STORM THAT DEVELOPS. GO INDOORS AND 
MOVE AWAY FROM WINDOWS AND SKYLIGHTS. AVOID DRIVING THROUGH WATER ON 
ROADS. IN CANADA, LIGHTNING KILLS UP TO 10 PEOPLE EVERY YEAR. 
REMEMBER, WHEN THUNDER ROARS, GO INDOORS.

EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER 
IMMEDIATELY, IF THREATENING WEATHER APPROACHES.

ENVIRONMENT CANADA METEOROLOGISTS WILL UPDATE ALERTS AS REQUIRED, SO 
STAY TUNED TO YOUR LOCAL MEDIA OR WEATHERADIO. EMAIL REPORTS OF 
SEVERE WEATHER TO STORM.ONTARIO(AT)EC.GC.CA OR TWEET WITH THE HASHTAG 
(HASH)ONSTORM.

FOR MORE INFORMATION:
HTTP://WWW.EMERGENCYMANAGEMENTONTARIO.CA/ENGLISH/BEPREPARED/BEPREPARED.HTML.

HTTP://WEATHER.GC.CA/WARNINGS/INDEX(UNDERSCORE)E.HTML?PROV=SON

END/MSC

[DarkSky]

307 
AWCN11 CWTO 051021
WEATHER SUMMARY FOR SOUTHERN ONTARIO AND THE NATIONAL CAPITAL REGION
ISSUED BY ENVIRONMENT CANADA AT 6:21 A.M. EDT TUESDAY 5 AUGUST 2014.

THE FOLLOWING IS A SUMMARY OF WEATHER EVENT INFORMATION RECEIVED BY
ENVIRONMENT CANADA.

HEAVY RAIN HIT BURLINGTON MONDAY AFTERNOON AND EVENING.

A BAND OF THUNDERSTORMS GENERATING HEAVY RAIN DEVELOPED IN A LINE
FROM FREELTON TO BURLINGTON MONDAY AFTERNOON. THESE THUNDERSTORMS
CONTINUED TO REDEVELOP AND INTENSIFY OVER THIS AREA INTO THE EVENING
BEFORE ENDING AROUND 9:30 PM.

RAINFALL AMOUNTS OF 100 TO 150 MM HAVE BEEN ESTIMATED BY RADAR.
AS WELL, AMATEUR WEATHER OBSERVERS MEASURED A HIGHLY LOCALIZED AMOUNT
OF 190 MM (UNOFFICIAL). THE HEAVY RAIN CAUSED FLOODING AND THE
CLOSURE OF MANY ROADS INCLUDING THE 407 AND QEW. THE FLOODING OF
SEVERAL BASEMENTS IN THE AREA WERE ALSO REPORTED.

PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.

END