Environment Canada issues ‘Snowfall Warning’ for the City of Hamilton [ ENDED ]

[ THIS ALERT HAS ENDED. ]

Environment Canada has issued a ‘Special Weather Statement’ for the City of Hamilton.

Warnings

6:05 AM EST Thursday 24 December 2020
Snowfall warning in effect for:

• City of Hamilton

A snowfall of 10 to 20 cm is expected tonight.

Hazards:
10 to 20 cm of snow
Quickly accumulating snow at times

Timing:
This evening through Friday mid-morning

Impacts:
Poor road conditions due to black ice and snow accumulation

Discussion:
Temperatures will fall this afternoon and rain will transition to snow. Freezing rain may be possible during this transition. The snow may become heavy at times this evening and overnight, with snowfall rates of 2 to 3 cm per hour possible at times. Snow should gradually ease into scattered flurries Friday morning.

Some uncertainty remains regarding total snowfall amounts, however, for much of the Niagara Region and areas just west, it appears 15 cm is likely enough to warrant a snowfall warning.

Note: Environment Canada’s criteria for Snowfall Warnings is 15 cm of snow in 12 hours or less.

Rapidly accumulating snow could make travel difficult over some locations.

Statements

3:07 PM EST Wednesday 23 December 2020
Special weather statement in effect for:

• City of Hamilton

Potentially heavy rain followed by significant snow early Friday.

Rain is forecast to begin tonight ahead of an approaching low pressure system. This rain will then continue into Thursday and become heavy at times. Total rainfall amounts of 15 to 25 mm are likely.

By Thursday evening or Thursday night, the rain is expected to change over to snow after the passage of a strong cold front. Several centimetres of snowfall accumulation will be possible Thursday night through Friday morning, which is Christmas morning. Locally significant accumulations may cause hazardous driving conditions into Saturday morning.

There remains considerable uncertainty as to the exact track of this low pressure system and the timing of the changeover from rain to snow. This will ultimately affect how much snow may fall at any particular location.

Statements

4:57 AM EST Wednesday 23 December 2020
Special weather statement in effect for:

• City of Hamilton

Potentially heavy rain followed by snow for Christmas.

Rain is forecast to begin tonight ahead of an approaching low pressure system. This rain will then continue into Thursday and become heavy at times. Total rainfall amounts of 15 to 25 mm appear likely.

By Thursday evening or Thursday night, the rain is expected to change over to snow after the passage of a strong cold front. A few centimetres of snowfall accumulation will be possible Thursday night through Friday morning.

There remains considerable uncertainty as to the exact track of this low pressure system and the timing of the changeover from rain to snow. This will ultimately affect how much snow may fall at any particular location.

Motorists should be prepared for deteriorating winter driving conditions in areas that receive snow Christmas eve into Christmas Day.

Source: Environment Canada