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Originally posted by Stormgodess
Just wanted to give some information on the Circles located on the radar maps.
I am pretty sure they are Anomalous Propagation, If you notice, they are located at every location of a doppler radar. They often occur on the National Weather Service Mosaic map. Im not sure of the type of map shown in this thread. Here is an awesome site where Meteorologist Jeff Haby, explains in laymen's terms what Anomalous Propagation is, the different types of anomalies, and why they occur. From what I see they occur more often at night. In my opinion due to the temp fluctuations between ground level, and upper level temps. They can also be caused by bird and insect migration.
Anomalous Propagation is abbreviated as AP. AP and false echoes are one of the biggest enemies of the radar meteorologist. Those without experience in radar meteorology are often "burned" by AP and false echoes.
National Doppler Radar site locations:
In my opinion, I think the reason they are showing up more lately, is because the Radars themselves have improved over the years, but the software filters used to eliminate this type of artifact has not improved as much.
More info here...
EvolEric, You made me think of something. Today, again watching the local News....The two Weathermen were going over the Morganza spillway indundation map posted yesterday. They were going over the expected water levels for different towns, but they both over and over kept saying. But, this is just preliminary, and we can't tell you to stay or evacuate, for that you will be informed by your local parish or city government. It's Crazy!!! There seems to be so much damn politics involved with flooding!! And all of these small city governments are facing such a budget crisis, how are people even supposed to know that theirs is actually on the ball and keeping up with this. Much less if they have the revenue to actually evacuate the whole city. And if they don't have the money or man power to do it, will they even try????? Sorry Had to rant there for a second.
Originally posted by tinker9917
reply to post by Stormgodess
Thank you for this information. I will research it as much as possible tomorrow because I want to know.. But at the same time, do you realize that "they" don't want us to discover otherwise? Looking for the truth, as I am sure you are too.
If I find out I'm on the wrong path, I'm ok to admit it.
Eric should go down in History for being the Paul Reveer in this the worest disaster in the US for hundereds of years....
The English... errrr
The Flood is Coming!
The Flood is Coming!
The Mississippi River has crested in flood-ravaged Memphis, Tenn., but it is expected to be weeks before the waters return to normal levels. The river level hit 48 feet, or about 14 metres on Tuesday, the highest it has been since 1937, said CTV's Joy Malbon, reporting from Memphis. ...
Malbon said the river is swollen to about three times its normal size, but flood levees are holding and no further damage is expected, meaning Memphis' famous Beale Street will not likely experience any flood damage. ...
The river is expected to remain at its current level of 14.58 metres for the next 24 to 36 hours. But it will likely be another two to three weeks before residents of the worst-hit areas are allowed to return to their homes. ...