What are the rings around the weather radar?

Concentric Rings on Radar Imagery The presence of these rings do not represent a rare or unusual form of precipitation. They are instead a result of stratiform precipitation and the methodology used by the radar station to scan the atmosphere and create the composite image .

Why are there lines on the weather radar?

Essentially, those lines on radar just show that air in the atmosphere is trying to move up, but something is preventing it from rising so far up that it could develop into showers and storms .

What does yellow rain mean on radar?

Light green: light rain, or light rain aloft not reaching ground. Dark green: light to moderate rain. Yellow: moderate rain . Orange: heavy rain. Red: very heavy rain or rain and hail.

What does a circle on radar mean?

Ground Clutter , Anomalous Propagation and Other False Echoes Echoes from objects like buildings and hills appear in almost all radar reflectivity images. This "ground clutter" generally appears within a radius of 25 miles of the radar as a roughly circular region with a random pattern.

What do tornadoes look like on radars?

If the radar shows a strong area of rotation and a debris ball in the same area, it is a strong signature that there is a tornado occurring.

What are the streaks on radar?

You will often see a straight line coming from many of the radar locations at once at these times. With the Sun's interference, it only shows up at rise and set times because it is then at the low elevations monitored by the radar . The Sun interference lines does not appear every day and in every radar.

What are the spikes on the weather radar?

Generally known as hail spikes, these are the result of energy from the radar hitting hail, or very heavy rain, and being reflected to the ground, where they reflect back to the hail and then to the radar as in the image on the left.

Why does the radar say it's raining when it's not?

This is called virga. Our radars scan the atmosphere at various heights, so they are able to detect moisture in the clouds and the potential for rain to be falling. Oftentimes, the water droplets evaporate at too low of a level for the radar to pick up .

What color on a radar means tornado?

On a weather radar map, a tornado is usually indicated by a smaller area of red surrounded by a larger area of green . However, modern radar systems can also indicate debris balls, a sign of a tornado on the ground.

What does purple mean on a radar?

Purple indicates “ range folding ”— where the radar cannot determine the radial velocity. Velocity image of a large-scale weather system. denotes the approx. location of the radar.

What does purple rain mean on radar?

Shades of blue represent lighter precipitation while red and purple indicate heavier precipitation.

What are the swirling lines on a weather map called?

On some weather maps, you may notice lines surrounding and encircling the "highs" and "lows." These lines are called isobars because they connect areas where the air pressure is the same ("iso-" meaning equal and "-bar" meaning pressure).

What are the red circles on a weather map?

A red line with half-circles on one side signifies a warm front . A warm front shows the leading edge of warmer air trying to replace a colder air mass. The half circles always point in the direction that the front (and the warmer air) is moving.

Worcester Radar Loops (2024)

1. Weather and Radar Map for Worcester, MA

Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighborhood or half a world away from The Weather Channel ...
Interactive weather map allows you to pan and zoom to get unmatched weather details in your local neighborhood or half a world away from The Weather Channel and Weather.com

Worcester Radar Loops (2024)

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