How To Read Base Velocity Radar

This product is the same as base velocity only with the average motion of the storm subtracted out.

How to read base velocity radar.

I need help interpreting base velocity radar. The radar s computers measure the phase change of the reflected pulse of energy which then convert that change to a velocity of the object either toward or from the radar. Storm relative radial velocity can be useful in finding circulation in a thunderstorm. Information on the movement of objects either toward or away from the radar can be used to estimate the speed of the wind.

The radar location is not obvious in the first series superres reflectivity. Referred to as a base angle. Normally the radar beam is pointed at an elevation angle greater than zero so that the beam as it moves away from the radar moves higher and higher above the surface of the earth. A beam is sent out from the radar beam hits the precipitation and bounces back toward the radar providing information about precipitation intensity and type.

The storm seems to be moving northeast. I ve attached three series of images from march 10 in arkansas when i was watching a storm. One of the best ways to stay safe from the weather as it gets warmer is to invest in a decent radar app on your phone and know how to read radar. This product is available for four radar tilt angles 0 5 1 45 2 40 and 3 35.

The velocity is given in knots 10 knots 11 5 mph. It s just above the mc in mcalmont right side of the screen near the middle. Precipitation moving perpendicular to the radar beam in a circle around the radar will have a radial velocity of zero and will be colored grey. Couplets it can be tricky to figure out where the radar site is most of the time but you don t need to worry too much.

Interpreting doppler radar velocities speed shear wind patterns to understand doppler radial velocity patterns one first has to consider the geometry of a radar scan. The base reflectivity picks up echoes from the storm. Radar data is freely available for anyone to use. Because of this geometry radar returns.

The base velocity function of the radar does not show precipitation intensity but instead speed and direction.