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Toronto4

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About Toronto4

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  • Four Letter Airport Code For Weather Obs (Such as KDCA)
    CYYZ
  • Gender
    Male
  • Location:
    Toronto, Ontario

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  1. Today's snowfall in Toronto is most likely the last one of the season. With this in mind, it's time to grade this winter. And it's a tough one. The winter started with a bang from mid-December to early January with snow and cold. Lots of frequent light snowfalls and the result was a picturesque white Christmas. Very cold conditions around New Year's. A break in mid January before coming back in late in the month and lasting until Feb. 10th. After that, a very long drought without any significant winter weather until mid-April when the GTA was affected by a major sleet storm. In the end, total snowfall was around normal and my final grade for this winter is B-. This month's sleet storm bumped up the grade from a C+. I can't go any lower than C+/B- (despite the lack of big snowstorms) is because the period before Christmas was amazing.
  2. Toronto4

    April 2018 General Discussion

    I missed it as I was still asleep. Nothing on the ground when I woke up a few hours later. Today's snowfall is the 12th day this month at YYZ with at least a trace. And this April is the coldest at YYZ since 1975 and the wettest on record with over 150 mm (5.9") of total precip. Records began at YYZ in 1937.
  3. Toronto4

    April 12th-15th Winter Storm

    It’s been a wild weather ride the last few days in the Toronto area. TTC streetcar operations are being affected as ice on the overhead wires is causing slow operations and even some service adjustments. And the ride gets even more interesting tomorrow if the 00z NAM is correct. It shows Toronto getting around 6” of wet snow. The 18z GFS has a couple of inches by Tuesday morning.
  4. Toronto4

    April 12th-15th Winter Storm

    The HRRR also keeps us more into the freezing rain, which is concerning. It shows close to 0.5” of precip as FRZRA.
  5. Toronto4

    April 12th-15th Winter Storm

    Not sure but we are on the southern edge of the heavy snow tomorrow according the 18z GFS. It gives us 8” of snow.
  6. Toronto4

    April 12th-15th Winter Storm

    According to the Euro maps from the weather.us site, today's 12z run shows around 0.2 to 0.4" (5 to 10 mm) of precip falls in the form of snow tomorrow. It'll be interesting to see if the heavy precip rates can overcome the warm layer for a brief period to allow snow to fall in the GTA.
  7. Toronto4

    April 12th-15th Winter Storm

    If the frontal boundary sinks further south than currently modelled, then we could even see some snow mix in with the ice pellets. The 06z HRDPS shows some precip falling as pure snow tomorrow, though the majority of it falls as IP. I don't think the lake will be a factor tomorrow afternoon as we'll have low level cold air coming from the NE and temperatures falling during the day. It'll probably be more of a factor on Sunday afternoon when the WAA pushes through and changes the precip from sleet/freezing rain to heavy rain. In any event, this is an unusual and fascinating setup for this time of the year.
  8. Toronto4

    April 12th-15th Winter Storm

    Environment Canada is forecasting 5 cm (2”) of ice pellets tomorrow. If that pans out, it’ll be added to the seasonal snowfall total at YYZ.
  9. Toronto4

    April 12th-15th Winter Storm

    Some of 12z Euro ensemble members are colder than the op run and bring significant snowfall/sleet to the Greater Toronto Area on Saturday afternoon/evening. They are faster in sagging the backdoor cold front on Saturday morning. The 12z WRF run from today hints at this.
  10. Toronto4

    April 12th-15th Winter Storm

    Any sleet that falls this weekend will add to the seasonal snowfall total at YYZ. Sleet is considered as a form of frozen precipitation (snow).
  11. Toronto4

    The March Lion Storm

    Snow beginning to pick up in intensity in downtown Toronto and starting to stick on grassy surfaces.
  12. Toronto4

    The March Lion Storm

    Latest HRRR and 00z NAM (3 km and 12 km) is suggesting hourly snowfall rates of close to an inch for a couple of hours in the GTA, starting around 11pm or midnight.
  13. Toronto4

    The March Lion Storm

    I'm going to go with a wide range for the GTA. Trace to 1" for eastern parts of the GTA (Pickering, Ajax, Whitby, Oshawa) Around 1" for east Scarborough, Markham 1 to 2" for west Scarborough, eastern portions of North York Around 2" for East York and eastern portions of the old city of Toronto Around 3" for downtown Toronto 3 to 4" for western parts of Toronto 4" + for Mississauga and points southwest
  14. Toronto4

    The March Lion Storm

    The 12z Euro ensemble members are all over the place. The mean/control run is similar to the operational run, but man, there are some divergent members, ranging from a monster with over 1" QPF to a complete whiff.
  15. Toronto4

    The March Lion Storm

    This is crazy. So much divergence. Hopefully tonight's 00z runs will narrow these differences somewhat.
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