I've been a broadcast meteorologist on television since the early 1990's. Happy to answer any questions about the weather or local TV news. Yes, I often wear sneakers on set just out of view of the camera.
We use the weather forecast models and the other tools mentioned in your other question to generate a forecast and then use television, radio and social media to share information.
Hi, Reyna. Standard anemometer height is 10 meters.
I usually answer this questions like this. I really don't like the use of the word "normal" in weather. "Average" is better. Over simplified, if the "normal temperature for this date is 75 degrees and we look a the records for the last 100 years. In theory half of those years the temperature could have been 50 degrees and half 100 degrees. The "normal" is 75 but it was never 75. So, there are swings in the global weather patterns constantly you're at one end of the swing! Hope that makes sense.
Yes. But some would disagree.
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Hi, Jim Storm systems at that latitude are driven by what is usually called the jet stream, which is a river of faster moving air and a series of large scale waves in the atmosphere. It does not flow at a constant speed or wavelength and is changing all the time. Storms will approach Scotland at different intervals and can move faster/slower or stall based on many influences. The Coriolis Effect accounts for the influence the spinning earth has on motion, and while part of the system, less directly affects the speed of the systems. I think the more direct answers to your question is that the speed of the storms is affected by a number of factors, not just Coriolis. Thanks!
Great question, Richard! Each storm and location is a little different. Much of the precipitation type is determined above the surface of the earth. The snowflakes form thousands of feet above the ground and stay frozen as they fall. A very shallow layer of air at the surface could be above freezing but not deep enough to melt the snow.
Great question. A cold air event, like the current one, is a good bit less complicated than rain or snow. With a precipitation forecast there are more factors at play. In general a forecast gets fuzzier the further out it time you go. Broadly speaking the forecast starts with data gathered from weather balloons launched twice a day from about 900 sites around the world. That sounds like a big number but when you consider the size of the earth, and how much of it is covered by water, which is hard to launch a balloon from, that data is pretty sparse. The goal of the balloons is to take a snapshot of the atmosphere at a given moment. It is a fuzzy picture. Think of putting that fuzzy picture on a copy machine. The copy is fuzzier, then make a copy of a copy and so on. So the further out in time the more errors or changes that enter the forecast. Stay warm!
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