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> Thunderstorms May 29 Southwestern and Southern Ontario., Thunderstorms May 29 Southwestern and Southern Ontario.
TriC
post May 29 2011, 01:09 AM
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Looks like there could be some strong storms in Southwestern Ontario and some scattered storms in the rest of southern Ontario as the really warm air moves in.. here are some images from the SPC


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Attached File  day1otlk_1200.gif ( 29.55K ) Number of downloads: 0
Attached File  day1probotlk_1200_hail.gif ( 27.55K ) Number of downloads: 1
Attached File  day1probotlk_1200_torn.gif ( 24.46K ) Number of downloads: 1
Attached File  day1probotlk_1200_wind.gif ( 26.83K ) Number of downloads: 0
 


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Live HD Webcam view from London, Ontario. With Time Lapse Loop.
Click to see current weather conditions.


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TriC
post May 29 2011, 01:20 AM
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From EC
QUOTE
Sunday..Scattered non-severe thunderstorms are likely across
Southern Ontario as a warm front moves north. There is a slight
Risk of a severe thunderstorm over Southwestern Ontario during the
afternoon and evening with large hail and damaging winds being the
main threats. Chance of non-severe thunderstorms over far
Northern Ontario.

Monday..Slight risk of severe thunderstorms over northwestern
Ontario with large hail and damaging winds being the main threats.
Scattered non-severe thunderstorms are likely across southern and
Northeastern Ontario. All of these thunderstorms are associated with
a warm front moving north.


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Live HD Webcam view from London, Ontario. With Time Lapse Loop.
Click to see current weather conditions.


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Torontoweather
post May 29 2011, 08:30 AM
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Updated SPC shifted slightly north:
Categorical:

Tornado:

Wind:

hail:


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New blog for southern Ontario!
Discussions on other parts of North America as well(particularly for winter storms)!
http://weatherintoronto.blogspot.com/

"Get Up-To-Date Forecasts on Upcoming weather events across South-Eastern North America!"
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CrazyC83
post May 29 2011, 09:37 AM
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Given the high wind probabilities on WW 394, a PDS Severe Thunderstorm Watch may be required if the derecho intensifies this morning and early this afternoon before reaching southwestern Ontario.
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HoBOonFiRE
post May 29 2011, 11:24 AM
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New outlook: A moderate zone from Northern Illionis to Southern Michigan.

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cm023
post May 29 2011, 12:24 PM
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Watches should be issued for Southeast Lower MI this afternoon..

From the SPC

QUOTE
BOWING QLCS OVER N-CNTRL IL WILL LIKELY TRACK EWD ACROSS PORTIONS OF
NRN IND...SRN LOWER MI AND NWRN OH THIS AFTERNOON. A DOWNSTREAM WW
WILL BE ISSUED BY 18Z.

RECENT FORWARD PROPAGATION SPEED OF 45-50 KT WITH THE BOWING SEGMENT
MOVING ACROSS N-CNTRL IL WOULD EXTRAPOLATE TO THE ERN EDGE OF WW 394
AROUND 19Z. DOWNSTREAM AIR MASS CONTINUES TO HEAT AND DESTABILIZE
WITH WARM FRONT /ROUGHLY FROM 20 S VPZ TO DTW/ GRADUALLY SHIFTING
NWD . MODIFIED 12Z ILX RAOB SUGGESTS THE PRESENCE OF STRONG
INSTABILITY /MLCAPE RISING AOA 2000 J/KG/ ALONG WITH 40-50 KT
EFFECTIVE SHEAR WILL MAINTAIN POTENTIAL FOR WIDESPREAD DAMAGING
WINDS. ALTHOUGH LOW-LEVEL SHEAR SHOULD REMAIN MODEST...THE PRESENCE
OF A WELL-DEVELOPED BOWING STRUCTURE ALONG WITH THE WARM/MOIST
BOUNDARY LAYER COULD FAVOR BRIEF TORNADOES AS WELL.
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cm023
post May 29 2011, 12:35 PM
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Spoke to soon

From the NWS for areas from Port Huron to the Ohio Border

QUOTE
TORNADO WATCH OUTLINE UPDATE FOR WT 395
NWS STORM PREDICTION CENTER NORMAN OK
130 PM EDT SUN MAY 29 2011

TORNADO WATCH 395 IS IN EFFECT UNTIL 800 PM EDT FOR THE
FOLLOWING LOCATIONS

MIC005-015-021-023-025-027-037-045-049-057-059-065-067-075-077-
081-087-091-093-099-115-117-121-125-139-145-147-149-151-155-157-
159-161-163-300000-
/O.NEW.KWNS.TO.A.0395.110529T1730Z-110530T0000Z/

MI
. MICHIGAN COUNTIES INCLUDED ARE

ALLEGAN BARRY BERRIEN
BRANCH CALHOUN CASS
CLINTON EATON GENESEE
GRATIOT HILLSDALE INGHAM
IONIA JACKSON KALAMAZOO
KENT LAPEER LENAWEE
LIVINGSTON MACOMB MONROE
MONTCALM MUSKEGON OAKLAND
OTTAWA SAGINAW SANILAC
SHIAWASSEE ST. CLAIR ST. JOSEPH
TUSCOLA VAN BUREN WASHTENAW
WAYNE
$$


This post has been edited by cm023: May 29 2011, 12:35 PM
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CrazyC83
post May 29 2011, 12:37 PM
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Probably would need a watch in southern Ontario by about 20Z at this rate.
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an uncanny otter
post May 29 2011, 12:50 PM
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I have a bad feeling I'm going to miss all the good stuff because I have to work tonight. Hoping I can catch at least some activity.

EC would be crazy to not even issue a Watch considering there are Tornado Watches all over southern Michigan and NW Ohio.

EDIT: Spoke too soon. EC just issued some watches for southwestern Ontario a few minutes ago. It's pretty vague but I'm sure they'll fill in the details soon.

CODE
Windsor - Leamington - Essex County
1:49 PM EDT Sunday 29 May 2011
Severe thunderstorm watch for
Windsor - Leamington - Essex County issued

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Watch for updated statements.

Please refer to the latest public forecasts for further details and continue to monitor the situation through your local radio and television stations or Weatheradio.


This post has been edited by an uncanny otter: May 29 2011, 12:55 PM
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cm023
post May 29 2011, 12:54 PM
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EC has taken the Severe Thunderstorm route, given since the idea on the American thread is the Tornado watch should only be a Severe Thunderstorm watch.

QUOTE
London - Parkhill - Eastern Middlesex County
1:49 PM EDT Sunday 29 May 2011
Severe thunderstorm watch for
London - Parkhill - Eastern Middlesex County issued

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Watch for updated statements.

Please refer to the latest public forecasts for further details and continue to monitor the situation through your local radio and television stations or Weatheradio.


This post has been edited by cm023: May 29 2011, 12:56 PM
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weatherman 23
post May 29 2011, 01:05 PM
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Definitely need to keep an eye on that cluster over IL! Looks to hold its ground as it enters extreme SW Ontario!
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an uncanny otter
post May 29 2011, 01:53 PM
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TWN is saying the severe thunderstorm risk could extend as far as Hamilton and St. Catharines.

The radar coming from Illinois is looking nasty.
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ottawasnowstorm
post May 29 2011, 03:00 PM
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The accuweather radar and EC's lightning map is showing very, very strong storms approaching southwestern ontario. These storms look awesome but as has been the case this year, Ottawa is missing out completely on the action.... again. But enjoy the storms down south when they hit.
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cm023
post May 29 2011, 03:19 PM
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5% Tornado outlook now into the Southwest.
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cm023
post May 29 2011, 03:53 PM
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QUOTE
Tornado watch for
Windsor - Leamington - Essex County upgraded from Severe thunderstorm watch

Risk of tornadoes this evening associated with a severe storm complex approaching from Michigan.

This is an alert to the potential development of severe thunderstorms capable of producing tornadoes..Monitor weather conditions and listen for updated bulletins.

A large complex of severe thunderstorms will affect the regions this evening. The main threat from these storms will be damaging winds in excess of 100 km/h, large hail and local rainfall amounts of 50 mm in one hour or less. Isolated tornadoes are also possible early this evening.
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CrazyC83
post May 29 2011, 04:07 PM
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The tornado threat seems to be increasing overall, might be best to upgrade everyone to a Tornado Watch.
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weatherman 23
post May 29 2011, 04:12 PM
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That line didn't weaken much as it traveled across Illinois, into Michigan now into Ontario!
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cm023
post May 29 2011, 04:36 PM
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All Detroit Networks are following this Live. Cable subscribers in the southwest (such as myself) get these networks. Something our Canadian networks would NEVER do. Hey A-Channel, maybe follow this?

Regardless, those in Windsor/Sarnia should be watching out at this point, Tornado warnings over SE-Lower MI at this point.
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WeatherServer.ne...
post May 29 2011, 04:41 PM
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Fox Detroit is streaming live

http://www.myfoxdetroit.com/


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TriC
post May 29 2011, 04:41 PM
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ya any channel I change it to like Fox or NBC or CBS they have broke from there normal programming to the tornado coverage.


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Live HD Webcam view from London, Ontario. With Time Lapse Loop.
Click to see current weather conditions.


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