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Ross Hull
@Ross_Hull
Meteorologist at Global News, actor, former campfire kid/guy from that show. globalnews.ca/author/ross-hu
Toronto, OntarioJoined March 2009

Ross Hull’s Tweets

8:48 PM: Heavy snow now spreading across the GTHA - snowfall rates will ramp up now and for the next few hours along with strong winds. #onstorm
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Regardless of the final snow tally by Sat. a.m. - as storm ramps up this evening high snowfall rates (2-5/hr) and strong winds will make travel treacherous!
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Still a big impact storm -- starts today ~5 to 6 p.m. for GTA -- I like this model for total snow amounts (ECMWF Global 9 km) shows 15-20 cm downtown Toronto (milder by the lake means lower snow ratios) with higher amounts (20-30 cm) as you head north towards 401/407. #onstorm
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GTHA and surrounding areas upgraded to a Winter Storm WARNING - EC mentions 15-25 cm of snow with snowfall rates up to 4 cm/hour and blowing snow. #onstorm
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Still a surprising amount of uncertainty with this snow forecast, especially for SW Ontario and Hamilton to Niagara where rain could mix in. Heaviest snow rates will be from about 8pm to midnight in the GTA and combine with 70km/h wind gusts. Fun!!! #ONstorm
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Here we go widespread Winter Storm Watch for GTHA and 401 corridor between London and Kingston for Friday eve. into Sat. a.m. EC mentions 15-20 cm of snow along with strong easterly winds "will create significantly reduced visibility and hazardous travel conditions". #onstorm
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Why is Friday's #onstorm so difficult to forecast for GTA/Southern ON? 1. Very steep gradient where ~50 km can be the difference between a significant amount of snow (20-30 cm) or a messy mix with far less accumulation (10-15 cm).
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Still uncertainty re: Texas Low that barrels towards Southern ON/GTHA by Fri. eve. - widespread model disagreement re: snow amounts - some show as low as 10 cm others up to 30 cm. Will depend on exact track and how much warm air lifts north (mixing?). Details tomorrow! #onstorm
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8:20 PM: After 5 cm at #YYZ the heaviest snow easing for the GTA now we are tracking the ice pellets/freezing rain potential this evening. #Ldont and Hamilton both reporting freezing rain at this hour. #onstorm
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New week, new winter storm. Snow moves in late afternoon and could be heavy for a couple hours around dinner in the GTA. 5-10cm along with gusty winds followed by some ice pellets and freezing drizzle. More icing to the SW where freezing rain warnings are in place. #ONStorm
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