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Old 08-28-2009, 07:02 PM
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DarkSky DarkSky is offline
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Photos Jul.1999 - storms of July



July 24th - supercell outbreak!
So much happend on this day that I made 5 seperate web pages dedicated to these storms

July 6th - Severe Thunderstorm
A tropical airmass had been hovering over Southern Ontario for about 3 days, bringing the temperatures (humidex) as high as 48C (118.4F) here in St. Catharines, and even up to 49C in other places. Then a minor cold front came through triggering off severe weather. CAPE values were over 2000 and lifted indices were -5 to -7, but the front was pretty weak, but still set off some active weather.
Click on thumbnail for full size picture:

WUCN13 CWTO 061809
SEVERE THUNDERSTORM WARNING
ISSUED BY ENVIRONMENT CANADA. REGIONAL CENTRE TORONTO ONTARIO.
2.09 PM EDT TUESDAY 6 JULY 1999.
SEVERE THUNDERSTORM WARNING ISSUED FOR..
REGIONAL MUNICIPALITY OF HALDIMAND-NORFOLK
REGIONAL MUNICIPALITY OF NIAGARA.
POTENTIALLY SEVERE THUNDERSTORMS NEAR SIMCOE AROUND 2 PM WILL MOVE TOWARDS DUNNVILLE BY 3 PM AND THE WELLAND AREA BY 3.30 PM. DAMAGING WINDS OF 90 KM/H 2 CENTIMETRE DIAMETER HAIL AND TORRENTIAL DOWNPOURS ARE POSSIBLE WITH THESE STORMS.
THIS IS A WARNING THAT SEVERE THUNDERSTORMS ARE IMMINENT OR OCCURRING IN THESE REGIONS. REMEMBER SOME SEVERE THUNDERSTORMS PRODUCE TORNADOES..LISTEN FOR UPDATED WARNINGS. EMERGENCY MEASURES ONTARIO RECOMMENDS TAKING COVER IMMEDIATELY WHEN THREATENING WEATHER APPROACHES.
THIS WARNING IS IN EFFECT UNTIL 3.45 PM.



Here's 2 pictures showing the front moving across.
The 1st is doppler, the 2nd is lightning strikes. Click thumbnails to enlarge.

VidCaps (more coming with lots of CGs - I need to dump it onto my VCR first in order to capture them).
All pictures taken in Niagara-On-The-Lake, St. Catharines, and Niagara Falls. High-quality still
images will be added shortly. 'Nothing spectacular here, but shows how solid the cloud bases were...











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