Cool & Showery to Start the Week..Showers all Week

  • A cold front moved through the south coast this morning bringing heavier rounds of showers to Vancouver. The showers are now breaking up but the risk will remain in place for the rest of today
  • The system will remain pretty much stationary in the upper atmosphere over the next couple of days bringing lower cloud cover and continued showers through to Thursday..along with cooler temps in the low teen range for YVR
  • Beyond Thursday the system will slowly begin to weaken and temps will moderate back to seasonal high teens...but cloud cover and showers will remain in the forecast until Friday. 
  • Best chance of sunny breaks at this point may come Thursday afternoon and again for Sunday

Moore Tornado Update
  • Some US meteorologist calling this the "the worst tornado in the history of the world".. definitely the most damaging in recorded history
  • Latest from National Weather Service: Damage survey teams are currently out surveying the damage path of the Newcastle-Moore tornado and will be adding more information to web pages for this event during the next few days.
  • Survey crews have determined the tornado began 7 km west of Newcastle and ended 7.7 km east of Moore, yielding an approximate tornado path length of 27 km. The tornado has been given the highest intensity rating on the enhanced Fujita scale: EF5 with winds between 320-340 km/h
~ Timeline: 

~ Tornado Risk Tonight: Threat Shifts to Northern Texas & Southern ON
  • Nearly the same setup for tornadoes that focused on Oklahoma Monday is targeting north-central Texas Tuesday afternoon and there is the potential for large, damaging tornadoes
  • A tornado watch is already in effect for a large area of the lower Mississippi
  • Same set-up bringing severe thunderstorms to southern Ontario this afternoon. Large hail and damaging winds the main threat.

~ Understanding the scale of the tornado: 
  • A lot of factors came into play; size, duration and destruction. Though the Moore tornado doesn't break records in any of those categories on their own, its combination of size, strength and duration made it an incredibly dangerous storm.
  • One of the widest tornadoes ever recorded; as wide as 3.2 km and one of the strongest at upwards of 320 km/h. The record holder is 486 km/h and that storm, unfortunately, hit pretty much the exact same place as this one just north of Moore on May 3, 1999.

~ Tornado Alley

Vancouver Weather


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