National Weather Service United States Department of Commerce

Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Meanwhile, Pacific storm will move inland across California with lower elevation rain and accumulating mountain snow; Strong winds will affect the central Great Basin. A clipper system to bring snow and gusty winds for the Northeast corridor into Wednesday. Read More >

  • Exceptional Winds

Biggest takeaway:
Extremely windy days (to the point of damage) are not common, but happen. Have a plan.

Warning/Trigger for Plan:
NWS High Wind Warning (greater threat; alerted on NOAA Weather Radio) –and-
NWS Wind Advisory (some threat; not alerted on NOAA Weather Radio)

Advance Notice/Time to Activate & Accomplish Your Planned Response:
Generally 6-18 hours. May be preceded by a High Wind Watch as many as 2 days in advance.

Frequency:
2-5 Wind Advisories is an annual average.
0-1 High Wind Warnings for widespread damaging wind gusts of 60 mph or higher.

How Accurate Warnings?
Widespread winds of this nature are typically well forecast and warned for.

 

  • The NWS issues High Wind Warnings for exceptionally windy days where the winds (not storm related, but the general winds) are expected to cause damage (>60 mph).
  • Have a plan to:
    • Secure your location from damaging wind gusts.
    • Shelter in a suitable structure
    • Note that large branches and trees are at risk for coming down. Is that a threat in your location? How do you keep people out of harm’s way?