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 »

Doppler Radar vs. Traditional Radar

“What is Doppler Radar? How is it different from regular Radar?” Tyler Norman-Steed North Medford High School Radar stands for Radio Detection and Ranging and is used to locate precipitation and precipitation intensity. Radar sweeps in circles horizontally as well as up and down. The difference between Radar and Doppler Radar is that not only … Continue reading »

What Causes Thunderstorms?

What causes a thunderstorm? How does it form? Linda Clark Ashland High School Thunderstorms need three things to form: moisture, instability and lift. Instability forms from daytime heating of the earth’s surface heating the air around it causing it to rise because warm air is lighter than cool air, this is called the updraft. When … Continue reading »

What is Adiabatic Cooling?

“What is adiabatic cooling and how does it impact the weather in our region?” Gary Jones Medford There are two types of adiabatic cooling: dry and wet. Dry adiabatic cooling is when a rising air parcel is not saturated and it cools as it rises at 10C/1km or as it sinks it warms at the … Continue reading »

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