Ask the Meteorologist – Weather Movement

ASK THE METEOROLOGIST “Does weather always move west to east?” Linda Berger Jacksonville Weather tends to follow the Jet-stream which has a west to east movement across the world, however the Jet-stream can dip and rise which can cause systems to dig south or push north. High pressure tends to keep the weather pattern further … Continue reading »

Ask the Meteorologist – Lenticular Cloud

ASK THE METEOROLOGIST “Why do lenticular clouds form on Mt Shasta?” Gary Barnes Klamath Falls Lenticular clouds, or Altocumulus Standing Lenticular (ACSL) form from waves in the atmosphere that develop when fast moving stable air is forced upwards over a mountain. Mountains cause what’s called Orographic Lifting, which means air is forced to rise due … Continue reading »

Ask the Meteorologist – The Sky

ASK THE METEOROLOGIST – THE SKY “What is the sky?” Hannah Miller Redwood Elementary The sky is a mixture of gases and the two predominant gases are Nitrogen and Oxygen. Nitrogen (N2) makes up 78% of the atmosphere and Oxygen(O2) represents 21% while the remaining 1% are trace gases, Argon gas and water make up … Continue reading »

Ask the Meteorologist – Tornadoes

“Has there ever been a tornado in Josephine or Jackson County? What conditions would it take for that event to happen?” LeeAnn Wright RCC As far back as reporting goes there has never been a tornado in Josephine or Jackson county, but there have been tornadoes in Oregon. In fact there have been 403 tornadoes … Continue reading »

Ask the Meteorologist – Dry Winter

ASK THE METEOROLOGIST- LONG RANGE FORECAST “Do you anticipate a lot more snowfall during the rest of the ski season? I heard we were experiencing a week to moderate El Nino, will that make a big difference?” Justin Brumble SOU Eagle Point When we do a seasonal forecast we no longer look at weather models … Continue reading »

Ask the Meteorologist – Climate Change

 ASK THE METEOROLOGIST “How is global warming affecting the Earth?” Ryan Lewis Patrick Elementary Gold Hill Looking back at the changes between the 1930-1980 (50 years) period and 1981-2010 (29 years) period at the Medford Airport, which is where we get the official National Weather Service data from for Medford, you find quite a difference … Continue reading »

Ask the Meteorologist – Isobar/Isotherm

ASK THE METEOROLOGIST “What is the difference between ‘isobar’ and ‘isotherm’ and how do they interact?” Ken Trout Talent Isobars are lines of equal pressure while isotherms are lines of equal temperature. They are used in order to more easily see weather patterns than looking at the raw data. Isobars indicate low and high pressure … Continue reading »

Ask the Meteorologist – Precipitation

ASK THE METEOROLOGIST “Why does the precipitation change?” Toralie White Washington Elementary All precipitation falls as snow from the high very cold elevations where the clouds form and the precipitation we see at the surface all has to do with the atmospheric temperatures below those clouds. If the air is below freezing down to the … Continue reading »

How do you Forecast a Week Ahead?

“How do you predict the weather forecast that is a week ahead?” Alex Lopez Eagle Point Middle School Forecasting the weather is like deciding what you’re going to wear in the morning. You look outside or step outside to feel what it’s like. You start with current conditions, and that’s what we look at…temperature, wind, … Continue reading »

How Do Clouds Form?

“How can cirrus and other clouds form without a storm coming?” Tracy England Grants Pass Cirrus clouds are the highest clouds and are made of ice crystals and tend to form 24-hours before a change in the weather occurs. Altocumulus clouds are mid-level clouds and thus can be made of ice crystals and water droplets. … Continue reading »

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