Steven Flisfeder
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sflisfeder.bsky.social
Steven Flisfeder
@sflisfeder.bsky.social
Meteorologist | Math Nerd | Data Dork | Guitar Attempter | He/Him
Ottawa Airport #YOW currently on day 10 with no precip reported.

Summer (JJA) total so far of 113.5mm is well below the climatological (1991-2020) norm of 264.5mm. On pace to be one of the driest summers on record
#ONwx #ONstorm
August 6, 2025 at 5:02 PM
Happy St Swithun's Day to all who celebrate
July 15, 2025 at 10:33 AM
#YUL had been fairly close to climatological norm leading up to yesterday, but has now deviated a fair bit
#QCStorm
July 14, 2025 at 2:53 PM
Yesterday's 103km/h at #YYZ is tied as the 4th highest April wind gust (and tied 26th all-time)
#ONstorm #ONwx
April 30, 2025 at 1:00 PM
Pearson #YYZ reached a max of 21.3C this afternoon, the first >20C day of 2025! This is the 7th earliest first occurrence on record (POR 1938-present)

Record earliest: March 8 2000
Record latest: May 19 1978
(1991-2020 climatological median: April 14
March 19, 2025 at 10:38 PM
First >10C of the year at #YUL... tied for 29th earliest (w/ 2009 & 2021)
Earliest first occurrence on record: January 15 1995
Latest first occurrence on record: April 17 1972
(1991-2020 median first occurrence is March 23)
#meteoQC #QCstorm
March 11, 2025 at 4:15 PM
With the 4.6cm from yesterday, February 2025 is now the snowiest February (78cm) on record at #YYZ More snow on the way today, and just 8.6cm of the all-time monthly snow record (86.6cm December 1951)
#ONstorm #ONwx
February 28, 2025 at 10:29 AM
The next few days gives #YYZ a very real shot at breaking not only the February snowfall record, but also the all-time monthly snowfall record; currently just 13.2cm shy
#ONstorm #ONwx
February 26, 2025 at 11:44 PM
With a total of 17cm yesterday, February 2025 is now sitting at 4th snowiest month on record f or #YYZ. It is also the fastest pace for any February on record
#ONstorm
February 17, 2025 at 10:37 AM
As of yesterday (February 15), this year is the 26th snowiest month on record at #YYZ. The 4cm (so far) today unofficially bumps it up to 18th (tied with January 1987), and a very real chance at the top 10 before day's end
#ONstorm
February 16, 2025 at 1:49 PM
Yesterday's 8cm at #YYZ bumps February 2025 into the top 10 for total snowfall. Another 3cm (unofficial) as of 7AM today pushes us up 7th so far with plenty more on the way
#ONstorm
February 16, 2025 at 12:43 PM
Chance at the top 10 2-day snowfalls for #YYZ this weekend. The 26.4cm from this past Wed/Thurs ranked 29th (3-way tie)
#ONstorm
February 15, 2025 at 8:16 PM
2024 was far and away the wettest year on record at #YYZ with 1145.2mm, beating the old record of 1049.6mm (2008), and surpassing the 1991-2020 climatological mean by over 300mm (806.8mm)
#ONwx #ONstorm
January 1, 2025 at 3:31 PM
Everyone excited about white christmases, but here's a look at historical white #Hanukkah for #Toronto
#chrismukkah 🕎
December 18, 2024 at 11:44 PM
We have yet to record even a trace of snow at Pearson #YYZ this year, putting it in 2nd for latest first occurrences. A lot of opportunity this week, but closing in on the top spot (Dec 1 2009)
#ONstorm #ONwx
November 27, 2024 at 1:46 PM
It was a crawl to get here over the past several weeks, but 2024 now has the record for most precipitation at
Toronto Pearson Int'l Airport (period of record 1938-present)
#ONwx #ONstorm #YYZ
November 11, 2024 at 12:09 PM