• After witnessing the continued decrease of involvement in the SpotterNetwork staff in serving SN members with troubleshooting issues recently, I have unilaterally decided to terminate the relationship between SpotterNetwork's support and Stormtrack. I have witnessed multiple users unable to receive support weeks after initiating help threads on the forum. I find this lack of response from SpotterNetwork officials disappointing and a failure to hold up their end of the agreement that was made years ago, before I took over management of this site. In my opinion, having Stormtrack users sit and wait for so long to receive help on SpotterNetwork issues on the Stormtrack forums reflects poorly not only on SpotterNetwork, but on Stormtrack and (by association) me as well. Since the issue has not been satisfactorily addressed, I no longer wish for the Stormtrack forum to be associated with SpotterNetwork.

    I apologize to those who continue to have issues with the service and continue to see their issues left unaddressed. Please understand that the connection between ST and SN was put in place long before I had any say over it. But now that I am the "captain of this ship," it is within my right (nay, duty) to make adjustments as I see necessary. Ending this relationship is such an adjustment.

    For those who continue to need help, I recommend navigating a web browswer to SpotterNetwork's About page, and seeking the individuals listed on that page for all further inquiries about SpotterNetwork.

    From this moment forward, the SpotterNetwork sub-forum has been hidden/deleted and there will be no assurance that any SpotterNetwork issues brought up in any of Stormtrack's other sub-forums will be addressed. Do not rely on Stormtrack for help with SpotterNetwork issues.

    Sincerely, Jeff D.

Undular bore waves

And of course the great camera work by the Iowa Environmental Mesonet and Iowa State University for capturing that great video! ;)

Interesting article on how they may amplify tornadoes, one thing that caught me off-guard was the statement on how they aren't that rare and actually occur quite often. I guess I never expected that...
 
I was getting off of work that morning and I remembered seeing those clouds move in (I live in Ames and go to school at ISU). They looked a lot like shelf clouds and they were visually spectacular to see. I wished I had my camera with me to take pictures before they moved overhead.

Interesting to read about something you remember seeing.
 
I saw what I believe to be this type of cloud on 8.23 of this year in Chicago. At the time, I thought it was a gravity wave, but after reading this article I believe it qualifies as an undular bore wave. The environmental conditions fit the description listed in the article with the derecho/ squall line having moved through leaving some cold, stable air in its wake. The updrafts of the second round of storms to the northwest provided the 'pebble in the pond' effect causing the ripples.

Has anyone else seen/ photographed this phenomenon? I was unaware it was as common as noted in the article.


2nd line developing, pseudo-shelf:
http://photos.clcimages.com/GalleryFilmstrip.aspx?gallery=33751&photo=1066653

Undular bore waves (?):
http://photos.clcimages.com/GalleryFilmstrip.aspx?gallery=33751&photo=1066656

Closer view:
http://photos.clcimages.com/GalleryFilmstrip.aspx?gallery=33751&photo=1066658
 
The MIPS—short for Mobile Integrated Profiling System—is equipped with a radar, a laser, a microwave radiometer and other instruments which can measure wind, temperature, pressure, aerosols and water vapor content in vertical columns up to 10 km high.

That's what I want for Christmas.
 
Back
Top