Thursday, June 8, 2011

[Derecho]

At 125am EDT Environment Canada sent out this bulletin, doesn't specify what warning it is or where it is for.

SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 1:25 AM EDT WEDNESDAY 8 JUNE 2011.
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==DISCUSSION==
AT 1:20 AM WEATHER RADAR SHOWS AN INTENSE THUNDERSTORM OVER THE
NORTHERN PORTIONS OF THE CITY OF HAMILTON.  ROTATION SHOWING ON THE
RADAR AND A SPOTTER REPORT INDICATES THERE IS THE POTENTIAL FOR A
TORNADO WITH THIS THUNDERSTORM.  THE THUNDERSTORM IS HEADING
SOUTHWARD AT 60 KM/H.

At 148am EDT, 23 minutes later, Environment Canada corrects the warning so it gets issued, but by now the storm isn't even in Hamilton.

SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 1:48 AM EDT WEDNESDAY 8 JUNE 2011.
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...

TORNADO WARNING FOR:
=NEW= CITY OF HAMILTON.

     AT 1:30 AM WEATHER RADAR SHOWS AN INTENSE THUNDERSTORM OVER THE
     CITY OF HAMILTON.  A SPOTTER REPORTED A POTENTIAL TORNADO AND
     THE RADAR IS INDICATING SAME.  THE INTENSE THUNDERSTORM IS
     MOVING SOUTHWARD AT 50 KM/H.

Amazing work Environment Canada!