FAQs
PredictWind delivers the world's most accurate forecast data, with the top ranking regional, global and hi-res forecast models.
What wind speed is considered very windy? ›
"High wind" with sustained speeds of 40 to 57 mph. Wind conditions consistent with a high wind warning. "A Moderate Threat to Life and Property from High Wind." "Very windy" with sustained speeds of 26 to 39 mph, or frequent wind gusts of 35 to 57 mph.
How accurate are wind forecasts? ›
Short-term wind forecasts are generally quite accurate: Wind Direction: Typically within 10-20 degrees of observed values. Wind Speed: Usually within 2-3 mph of observed speeds for sustained winds. Wind Gusts: More challenging to predict, but generally within 5-10 mph of observed gusts.
How windy is too windy to work? ›
The Health and Safety Executive (HSE) states that if the wind speed is above 23 MPH (10.3 ms or Beaufort scale 5), it's likely that a worker's balance will be affected. However, there are multiple factors to consider, such as the restrictions and limitations of the machine itself and the height you need to operate at.
Which forecast model is most accurate for wind? ›
The Spire model is #1 for wind speed and direction accuracy using data from offshore weather buoys.
What is more accurate than AccuWeather? ›
In a composite measure of accuracy, the Weather Channel and Weather Underground came top, AccuWeather fifth, MeteoGroup (the BBC's new provider) sixth and the BBC ninth (based on Met Office forecasts).
At what mph is wind annoying? ›
Table 1: Comfort
Slower than 4 m/s (9 mph) | Pedestrian Sitting (considered to be of long duration) |
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6–8 m/s (13–18 mph) | Pedestrian Walking |
8–10 m/s (18–22 mph) | Business Walking (objective walking from A to B or for cycling) |
Faster than 10 m/s (22 mph) | Uncomfortable |
1 more row
What was the strongest wind ever recorded? ›
Northern Hemisphere: Maximum Surface Wind Gust
Record Value | 103.3 m/s (231 mph) |
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Date of Record | 12/4/1934 |
Length of Record | 1932-present |
Instrumentation | Heated rotation anemometer |
Geospatial Location | Mt. Washington Observatory [44°16'N, 71°18'W, elevation: 1856m (6089ft)] |
What is an unsafe wind speed? ›
The National Weather Service (NWS) issues a high wind warning when sustained winds of 40 mph or greater or gusts of 58 mph or greater are expected. They alert the public about these events and issue red flag warnings, indicating conditions of elevated wind speeds that raise the risk of wildfires.
How does the weatherman PredictWind? ›
Forecasters use wind estimates from satellites in low Earth orbit and geostationary orbit. Low Earth-orbiting satellites circle Earth from pole to pole and observe the same location twice daily. Winds from these satellites are typically derived over Earth's polar regions.
AccuWeather's probability of precipitation forecasts were 21 percent more accurate than those of the next-ranked provider and 23 percentmore accurate than the average of all other sources in the independent study by industry tracker ForecastWatch.
How far in advance can wind speed be predicted? ›
Most weather forecasting services, such as the National Weather Service, provide detailed 10-day forecasts for wind direction and velocity. Some apps, such as Windy, also provide detailed forecasts for wind direction and velocity up to 15 days in advance.
At what wind speed do roofs come off? ›
Examples Of Damage At Various Wind Speeds
25-50 mph – At this point, you may see shingles begin to be blown off. Especially on aging or damaged roofs. But for the most part, you're still safe with wind speeds this low. 50-75 mph – At 50+ MPH winds are officially classified as “damaging”.
Is 5 to 10 mph wind windy? ›
4-7 Mph 6-11 kph 4-6 knots Light Breeze Leaves rustle, can feel wind on your face, wind vanes begin to move. Small wavelets develop, crests are glassy. 8-12 Mph 12-19 kph 7-10 knots Gentle Breeze Leaves and small twigs move, light weight flags extend. Large wavelets, crests start to break, some whitecaps.
What wind speed will knock you over? ›
Knocking you down would take a wind of at least 70 mph. The terminal velocity, which is the wind speed (falling speed) where the force of the wind equals the force of gravity, for a person is about 120 mph — that would likely knock you down. Comments Off.
Which Windy is most accurate? ›
There are several different weather models available on Windy. The ECMWF is probably the most accurate.
Is the GFS or Euro more accurate? ›
Most of the time, the European model is the most accurate. For example, the Euro was the first model that showed the southward shift of the storm on Monday. Eventually, the other models followed. The GFS is a weather forecast model that collects data for land-soil and atmospheric variables.
Who has the most reliable weather forecast? ›
IBM's The Weather Company Continues to Be the World's Most Accurate Forecaster Overall, Despite Growing Competition and Amid Weather's Increased Impact.
What is the most accurate wind app free? ›
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