• 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.

Velocity couplets on terminal doppler (TDWR) radars

Joined
Jan 14, 2011
Messages
3,458
Location
St. Louis
I normally use the St. Louis terminal doppler radar (TSTL) when chasing in/near the metro area instead of the WSR-88D (KLSX). During the QLCS/embedded supercell events yesterday, TSTL was showing some intense-looking couplets on many of the mesovorticies while KLSX only showed broader rotation with no strong gate-to-gate returns. Some of the stronger TSTL couplets were persistent through several scans and had me certain that there were tornadoes associated with them. Again though, KLSX did not show these strong returns and there were no CC drops with them.

Are there known artifacts (like sidelobe contamination) unique to the TDWRs?
 
I wonder if the typically lower base scan elevation of some of the TDWRs compared to WSR 88S were picking up gustnadoes formed in the eddies of the gust front. I've noticed something similar on several occasions with TDWR in Philly. Did you have a visual on any of the areas where the couplets showed up?
 
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