March 24-25 Winter Advisory

Flurries begin overnight with 1-2 cm accumulation through the morning commute. The bulk of the snow is anticipated to start after 9 am Thursday morning and last through to the supper hour mixing with ice pellets throughout the day. Snow and ice pellet accumulations will range from 10-15 cm with the heaviest through the afternoon hours which will impact the Thursday afternoon commute home. Freezing rain rates are forecasted to be in the 15-20 mm range through late afternoon, evening and transitioning overnight Friday into rain. 

Rain mixed with flurries throughout the day for the Good Friday holiday. There is a risk of snow pack on the asphalt surfaces based on the forecasted dew point, air and surface temperatures in combination with the wet snow. Temperatures are forecasted to be cold on Thursday -5C and not warming up until overnight Friday.  Friday temperatures are expected to hover around the freezing mark.

Expect local blowing snow as winds will be from the NE at 20 km/h gusting to 40 km/h Thursday and becoming E at 40 km/h and gusting to 60 km/h Friday morning as the Colorado low pushes through our region.

A mix of sun and cloud on Saturday High 8C, Sunday a mix of sun and cloud High 8C. Sunday night into Monday morning a chance of rain showers or flurries.

Preparations

Road Services staff will start plowing and salting the priority road and sidewalk network at the start of the snow event. We will also deploy echelon plows to maximize the movement of snow from the roadways as quickly and efficiently as possible.

All sidewalks and bus stop plowing will also be deployed. Staff will concentrate their efforts on the priority network ensuring the movement of transit and the travel of commuters using the arterial roads. Local residential plow deployment will be determined at a later time based on accumulations.

Information for Residents

Information will be provided to residents through ottawa.ca and social media.

On ottawa.ca, a seasonal “Winter Weather” banner will direct residents to a web page that will provide information on the weather, including updates on City operations and tips on what residents can do to prepare for and during weather events. It will also inform residents they can make weather related service requests through Service Ottawa’s online service request system. 

We will continue to provide operational updates if weather conditions change and the event progresses.


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