User talk:Jthuebner

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Welcome![edit]

Hello, Jthuebner, and welcome to Wikipedia! We appreciate your contributions, however, your recent edit to the page NEXRAD was unsourced and seemed to be untrue, so it has been removed. If you have any questions you can contact me on my talk page.

Otherwise, here are some links that provide some information on Wikipedia and how to edit pages:

I hope you aren't discouraged by the reversion of your recent edit. If you need help, check out Wikipedia:Questions, ask me on my talk page, or ask your question on this page and then place {{help me}} before the question. Again, welcome! -RunningOnBrains(talk) 21:30, 6 July 2011 (UTC)

I'm not sure exactly what phenomenon you are referring to, but there are many things that can cause anomalous returns to a NEXRAD site, including drizzle, bugs, ground clutter, chaff, or even occasional internal errors at the radar site. This site offers a good explanation of the most commonly observed NEXRAD errors. Still, I'm not sure that these phenomena are notable for inclusion in the NEXRAD article, although they possibly would be useful under the pulse-doppler radar article, which is the type of radar used in the NEXRAD network. Just be sure that any additions you make are verifiable and do not constitute original research.-RunningOnBrains(talk) 14:18, 8 July 2011 (UTC)
Grand Forks, ND NEXRAD in clear-air mode showing enhanced ground clutter
Your suggestion is inspired, but is probably wrong, since NEXRAD works at wavelengths which do not detect humidity in the air&mdash only solid objects larger than cloud droplets (which I can't believe does not have an article...I may start on that soon). I've only just started working with pulse-Doppler radars, and as I said, I'm not sure exactly what phenomenon you're talking about; is it possibly something like this?-RunningOnBrains(talk) 15:47, 8 July 2011 (UTC)
National Weather Service radar images, as a work of the federal government, are in the public domain, so you may upload them to Wikipedia using the Special:Upload page. That page should contain detailed instructions, but if you have any questions let me know. -RunningOnBrains(talk) 19:26, 19 July 2011 (UTC)

Speedy deletion nomination of NEXRAD Blue Circle Phenomenon 1.gif[edit]

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Birds[edit]

I suspected that that might be the phenomenon you were referring to (for future reference, http://weather.rap.ucar.edu/radar/ has several days of radar archived if you are interested). The echos that you are seeing are classic presentations of a "Roost Ring", which is when large clusters of birds (specifically, the Purple Martin as mentioned in the above source) leave the roost all at the same time and spread outwards. Apparently Purple Martins can roost up to 250,000 birds in the same area, which is more than enough to show up on radar. -RunningOnBrains(talk) 19:01, 20 July 2011 (UTC)