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Difference between hurricane watch and warning - What to do when you get alerts

07/14/2025 - View: 31
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What is the difference between hurricane watch and warning? With each weather notification, what should we do? Be proactive in hurricane preparedness with the useful information below. 

 Difference between hurricane watch and warning

Difference between hurricane watch and warning

What is a hurricane watch?

A hurricane watch is a warning issued by weather officials when hurricane conditions (sustained winds of 74 mph or greater) are expected in a certain location.

It is usually issued 48 hours before the expected commencement of tropical storm-force winds (39-73 mph), which precede hurricane-force winds.  

A hurricane watch is announced for individuals and businesses to have adequate time to undertake preparations, such as securing property, gathering disaster supplies, and revising evacuation plans, before conditions become too risky for such actions. 

It represents a potential threat, encouraging preparedness and attentive monitoring of the storm's progress.

A hurricane watch is issued for people to have enough time to prepare

A hurricane watch is issued for people to have enough time to prepare

What is a hurricane warning?

A hurricane warning is issued by weather officials when hurricane-force winds of 74 mph or higher are predicted in a specific area. 

This is a more urgent alert than a hurricane watch.

It is normally issued 36 hours before the expected onset of tropical-storm-force winds (39-73 mph), which come before hurricane-force winds. 

When a hurricane warning is issued, preparations to safeguard life and property must be completed as soon as possible. 

It implies that the threat is imminent and that dangerous conditions are highly likely. 

People in the impacted region must take immediate precautionary measures, including completing evacuations as directed.

People must complete evacuation if advised when having a hurricane warning

People must complete evacuation if advised when having a hurricane warning

What is the difference between hurricane watch and warning?

A hurricane warning means that the hurricane is expected, whilst a hurricane watch means hurricane conditions are possible to happen.

Here are some differences between hurricane watch and warning. Have a look:

Feature 

Hurricane watch

Hurricane warning

Definition

Hurricane conditions are possible in the area

Hurricane conditions are expected in the area

Issued when

48 hours before possible tropical storm-force winds

36 hours before expected tropical storm-force winds

Wind speed concerned

Sustained winds of 74+ mph (119+ kph) possible

Sustained winds of 74+ mph (119+ kph) expected

Level of urgency

Moderate - Stay alert and prepare

High - Take immediate action

Public action needed

Prepare emergency kit, review evacuation plan

Evacuate if advised, secure property, shelter in place

Issued by

National Hurricane Center (NHC)

National Hurricane Center (NHC)

What to do during a hurricane watch?

A huricane watch means hurricane conditions are possible within 48 hours.

During this time, you should:

  • Stay informed: Continue updating information from local news, NOAA weather radio, or official government alerts. Hurricane can change their direction, intensity, and speed suddenly; therefore, it’s essential to track the hurricane.

  • Evacuation plan: Recheck your emergency plan, evacuation routes, and shelters.

  • Hurricane supply list food and emergency kit: Ensure you prepare enough food, necessities for your whole family for at least 3 days. 

  • Secure your home:  Trim trees and shrubs to minimize potential hazards. Install permanent storm shutters or prepare to board up windows with 5/8-inch plywood. Clean gutters and downspouts to ensure proper water drainage.

  • Prepare for potential evacuation: Fill your car’s gas tank, know your evacuation zone, and safe route. Always ready to evacuate immediately.

  • Set the freezer and refrigerator to their lowest temperature.   Only open when required, and close as soon as possible.  In the event of a power outage, the coolest air inside will help perishables live considerably longer.

 Hurricane preparation

Hurricane preparation

Know more interesting information about Hurricane:

What to do during a hurricane warning?

A hurricane warning means hurricane conditions are expected within 36 hours, and immediate action is required.

After the hurricane warning is issued, you should do:

  • Evacuate Immediately if Ordered: If local authorities issue an evacuation order for your area, do not delay. Follow designated evacuation routes and proceed to a safe location or official shelter. Time is critical.

  • Stay Indoors and Away from Windows: If you are not evacuating, find the safest room in your home, preferably an interior room on the lowest floor. Stay away from windows, glass doors, and skylights.

  • Listen to Official Information: Continuously monitor local news, NOAA Weather Radio, or official government alerts for critical updates and instructions. Do not rely on rumors.

  • Be Prepared for Power Outages: Have flashlights, extra batteries, and a battery-powered or hand-crank radio ready. Charge cell phones and other devices.

  • Avoid Flooded Areas: Never walk, swim, or drive through floodwaters. "Turn around, don't drown."

Stay away from the window during a hurricane happens

Stay away from the window during a hurricane happens

Conclusion

Understanding the difference between hurricane watch and warning is paramount for effective hurricane preparedness and safety. Essentially, a watch means "be prepared," while a warning means "take action now" to protect life and property from the imminent threat.

Một Số Câu Hỏi Thường Gặp

Should you crack a window during a hurricane?
In fact, cracking a window can make the situation worse. Internal pressurization from wind pressure entering your house can impose upward force on the roof and raise the possibility of structural failure.
Can you go out in the eye of a hurricane?
Never go outdoors when the storm's eye is still within. The most hazardous aspect of a hurricane is the eyewall, which can form at any time.
How long does a hurricane eye last?
The duration of a hurricane's eye passing over a given area can vary significantly, typically from 10-15 minutes for fast-moving storms to an hour or longer for slower-moving storms.
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