What is a 70 mph wind called

So you're wondering what to call a 70 mph wind? Officially, on the Beaufort Wind Scale, it's a violent storm — that's Force 11. Meteorologically speaking, it's basically hurricane-force, even though the actual hurricane threshold starts at 74 mph. Close enough, right? These winds will mess things up — structural damage everywhere, trees getting yanked out of the ground, debris flying around like missiles.

Think of it this way: sustained 70 mph winds are pretty much the same as a Category 1 hurricane on the Saffir-Simpson scale, even if the official cutoff is 74 mph. People just call 'em "hurricane-force" or "severe gale" in everyday talk. But if you wanna be precise, the Beaufort scale says "violent storm."

What is the Beaufort Scale classification for 70 mph winds?

Sir Francis Beaufort came up with this scale back in 1805. It's basically a way to describe wind speeds based on what you can actually see happening on land and sea. For 70 mph, that's Force 11 — a violent storm.

Here's the breakdown:

One thing to keep in mind — the Beaufort scale uses sustained wind speeds measured at 10 meters (33 feet) off the ground. Gusts can be way higher, like 80–90 mph or more during one of these storms.

Is 70 mph considered hurricane-force?

Technically? No. The Saffir-Simpson scale says hurricane-force starts at 74 mph sustained. So 70 mph is just below that. But honestly, in common usage, people call it "hurricane-force" anyway because the damage is basically the same.

The National Hurricane Center breaks it down like this:

• Category 1: 74–95 mph (very dangerous winds will produce some damage)
• Category 2: 96–110 mph (extremely dangerous winds will cause extensive damage)
• Category 3: 111–129 mph (devastating damage will occur)
• Category 4: 130–156 mph (catastrophic damage will occur)
• Category 5: 157 mph or higher (catastrophic damage)

So yeah, 70 mph isn't officially a hurricane, but it's close enough that the damage potential is similar to a weak Category 1. Weather services will issue "hurricane-force wind warnings" when sustained winds of 64 knots (74 mph) or higher are expected, but a "storm warning" is for winds of 48–63 knots (55–73 mph).

What damage can 70 mph winds cause?

These winds are no joke. They can wreck homes, infrastructure, and the environment pretty badly. Here's what typically happens:

• Structural damage: Roofs can get partially or completely torn off. Siding and shingles get ripped away. Windows break from flying debris.
• Tree damage: Big trees get uprooted or snapped in half. Branches break off and turn into projectiles.
• Vehicle damage: Cars and trucks can get pushed off the road. High-profile vehicles like vans and RVs might tip over.
• Power outages: Power lines go down, causing widespread blackouts that can last days.
• Mobile homes: These are at high risk of being overturned or destroyed.
• Flying debris: Loose objects like signs, lawn furniture, and construction materials become dangerous missiles.

If 70 mph winds are forecast, take shelter immediately. Get in an interior room away from windows, preferably a basement or storm cellar if you've got one.

What should you do during a 70 mph wind warning?

When you hear a warning for winds this strong, here's what to do:

1. Seek shelter immediately in a sturdy building, preferably a basement or interior room without windows.
2. Stay away from windows and glass doors. Flying debris can shatter glass easily.
3. Secure outdoor items if you have time, but don't go outside once winds get dangerous.
4. Don't drive unless absolutely necessary. High winds make driving super hazardous.
5. Charge devices and have a battery-powered radio for emergency updates.
6. Prepare for power outages — get flashlights, batteries, and non-perishable food ready.
7. If you're in a mobile home, evacuate to a more secure structure immediately.

Remember, 70 mph winds can hit suddenly, especially in severe thunderstorms or tropical systems. Keep an eye on local weather alerts and take warnings seriously.

How does 70 mph compare to other wind speeds?

To really understand how dangerous 70 mph is, here's a comparison:

As you can see, 70 mph is right at the top of the violent storm category, just one mph below hurricane force. Even a tiny increase in wind speed can dramatically increase damage because wind force increases with the square of the speed.

Frequently Asked Questions

Checklist: Preparing for 70 mph Winds

Use this checklist to make sure you're ready for violent storm conditions:

• Secure all outdoor furniture, grills, and decorations
• Trim dead branches from trees near your home
• Reinforce garage doors and windows with storm shutters or plywood
• Stock up on non-perishable food, water, and medications for at least 3 days
• Charge all electronic devices and backup batteries
• Fill your vehicle's gas tank
• Have a first aid kit and emergency supplies ready
• Identify a safe room (interior, windowless, on lowest floor)
• Review your family emergency communication plan
• Keep a battery-powered weather radio on hand

Being prepared can make the difference between safety and disaster when violent storm winds of 70 mph strike.