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How accurate is 7 day forecast?

A seven-day forecast can accurately predict the weather about 80 percent of the time and a five-day forecast can accurately predict the weather approximately 90 percent of the time. However, a 10-day—or longer—forecast is only right about half the time.

scijinks.gov - How Reliable Are Weather Forecasts? - NOAA SciJinks

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The Short Answer: A seven-day forecast can accurately predict the weather about 80 percent of the time and a five-day forecast can accurately predict the weather approximately 90 percent of the time. However, a 10-day—or longer—forecast is only right about half the time. If you want to know what the weather will be like within the next week, a weather forecast can give you a really good idea of what to expect. A seven-day forecast can accurately predict the weather about 80 percent of the time and a five-day forecast can accurately predict the weather approximately 90 percent of the time. However, a 10-day—or longer—forecast is only right about half the time. Meteorologists use computer programs called weather models to make forecasts. Since we can’t collect data from the future, models have to use estimates and assumptions to predict future weather. The atmosphere is changing all the time, so those estimates are less reliable the further you get into the future.

How Weather Forecasts Are Made

Geostationary satellites: NOAA’s Geostationary Environmental Operational Satellite-R (GOES-R) series satellites orbit approximately 22,000 miles above Earth and they provide a picture of what the weather is like right now. “Geostationary” means that the satellites orbit at the same rate that the Earth rotates. This means they can collect near-continuous images over the same area. Because they focus on one spot, they can provide up-to-the-minute information about severe weather. This information helps forecasters understand how quickly a storm, such as a hurricane, is growing and moving. Polar-orbiting satellites: Satellites as part of NOAA’s Joint Polar Satellite System (JPSS) orbit approximately 500 miles above Earth. They zip around our planet from pole to pole 14 times per day. Because they orbit while the Earth is rotating below, these satellites can see every part of Earth twice each day. Polar orbiting satellites can monitor the entire Earth’s atmosphere, clouds and oceans at high resolution. By watching these global weather patterns, polar orbiting satellites can help meteorologists accurately predict long-term forecasts—up to 7 days in the future. Deep space satellite: NOAA’s Deep Space Climate Observatory (DSCOVR) orbits one million miles from Earth. It provides space weather alerts and forecasts while also monitoring the amounts of solar energy absorbed by Earth every day. DSCOVR also makes observations about ozone and aerosols in Earth’s atmosphere. These factors are important in making air quality forecasts. Polar orbiting satellites provide the information most useful for long-term weather forecasting. These satellites use instruments to measure energy, called radiation, emitted by the Earth and atmosphere. This information is incorporated into weather models, which in turn leads to more accurate weather forecasts. Other instruments can also be used to map sea surface temperature—an important factor in long-term weather forecasting. The satellite performs these accurate measurements all around the globe twice per day. This flood of data is what helps weather forecasters to reliably predict the weather up to 7 days in advance. These measurements can also help forecasters predict seasonal weather patterns, such as El Niño and La Niña. Polar orbiting satellites collect essential information for the models that forecast severe weather like hurricanes, tornadoes and blizzards days in advance. The information they collect is also needed to assess environmental hazards such as droughts, forest fires, poor air quality, and harmful coastal waters.

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What is the average amount a person loses at a casino?

The survey found that callers lost an average of $115,000 over their lifetime. The average current debt due to gambling is $17,000.

nytimes.com - WORTH NOTING; Survey: Average Debt To Gambling Is $17000

A survey by the Connecticut Council on Problem Gambling has found that most of the callers to its 24-hour help line earned less than $35,000 a year. Despite the low salaries, the callers reported that they lost an average of $21,500 a year. The annual survey, taken by the members of Gamblers Anonymous who answer the phones, also shows that one-third of the callers this year made less than $25,000 and 16 percent were unemployed. ''There is a tremendous over-representation of poor people,'' Marvin A. Steinberg, the council's executive director, said last week. The survey found that callers lost an average of $115,000 over their lifetime. The average current debt due to gambling is $17,000.

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