SCIENCE & NATURE

What is a wind advisory and how does it differ from a wind warning?

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A wind advisory alerts the public that strong winds are expected and may cause minor damage, while a wind warning indicates more dangerous wind conditions that pose a significant threat to life and property. Wind warnings are more serious than wind advisories.

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Wind Advisory SpeedTypically issued for sustained winds of 31-39 mph or gusts of 46-57 mph
Wind Warning SpeedTypically issued for sustained winds of 40+ mph or gusts of 58+ mph
Advisory PurposePrepares people for inconvenient but manageable wind conditions
Warning PurposeAlerts people to dangerous conditions requiring immediate precautions
Issuing AgencyNational Weather Service in the United States
Common Effects of AdvisoryDifficult driving, fallen tree branches, minor property damage
Common Effects of WarningStructural damage, flying objects, dangerous travel conditions

What is a Wind Advisory?

A wind advisory is a weather alert issued when sustained winds or wind gusts are expected to cause minor to moderate inconvenience and some damage. Wind advisories typically warn of winds around 31-39 mph sustained or gusts around 46-57 mph. These conditions are strong enough to affect daily activities but are not considered dangerous to life. A wind advisory tells people to prepare by securing loose outdoor items, being cautious while driving, and avoiding unnecessary outdoor activities.

What is a Wind Warning?

A wind warning is a more serious alert issued when damaging or dangerous winds are expected. Wind warnings are typically issued for sustained winds of 40 mph or higher, or gusts of 58 mph or stronger. These conditions pose a threat to life and property and can cause significant damage to buildings, trees, and vehicles. A wind warning advises people to stay indoors, avoid travel, and take protective measures to shelter themselves and their belongings.

Key Differences Between Advisory and Warning

The main difference is severity and impact. A wind advisory is for inconvenient wind conditions that may cause some problems, while a wind warning is for dangerous wind conditions that can cause serious harm. Wind warnings have higher wind speed thresholds than advisories. Additionally, wind warnings typically require immediate protective action, while advisories recommend being prepared and cautious. Wind warnings are the more urgent and serious type of alert.

What to Do During a Wind Advisory

During a wind advisory, secure outdoor furniture and loose objects that could blow away. Be extra cautious if you must drive, as wind gusts can affect vehicle control. Avoid activities like hanging laundry or being on ladders. Monitor weather updates for any escalation to a wind warning.

What to Do During a Wind Warning

During a wind warning, stay indoors and away from windows. Avoid all non-essential travel and outdoor activities. If you must be outside, be aware of falling branches and flying debris. Bring pets indoors and secure any outdoor items that have not already been stored.

Sources

  1. weather.gov (weather.gov)
  2. weather.noaa.gov (weather.noaa.gov)
  3. ready.gov (ready.gov)