Snow plus rain presents additional hazards

Monday, February 11, 2019

8th NE between 155-160th
Photo by Jennifer Klock
By jickcoem
King county emergency news

Deep snow levels, mixed with falling rain, can lead to heavy loads on rooftops and potential structural collapse or sliding snow.

While most new structures are built to withstand heavier snow loads, buildings and structures with flat roofs, such as carports, are at greater risk of collapse.

A Winter Weather Advisory is in effect for the western third of King County until 4am Tuesday, February 12.

The snow rain barrier is sticking right around Shoreline, so heavy wet snow, soaked with rain at times overnight and tomorrow.

Use caution when clearing snow

  • If a roof (whether flat or sloped) is in eminent danger of collapse, stay away from the structure and call 9-1-1 for emergency help.
  • Removing snow from your roof with a shovel can trigger unexpected snow slides causing crushing/suffocating injuries or death. Keep people and animals away from potential slide zones.
  • It is strongly recommend you not access your roof to clear snow. Climbing on a roof increases the load already stressed by the heavy snow load. The use of ladders when removing snow from your roof can pose additional hazards.
  • Consider hiring experts who have experience and specialized equipment for safely clearing snow or ice.
  • Clear any accumulation of snow around side wall vents that connect to household appliances, such as a clothes dryer.


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