[Wswss] Rare visual inversion, San Joaquin Valley

[kr7o at vhfdx.com]

Pictures are posted at http://vhfdx.com/Oct2008InferiorMirage

Since they are reduced for web access, they have lost some quality.  If 
anyone wants any of the full size images let me know the picture number and 
I will email to you.  The original pictures are 3000x2000 resolution and 
2.5MB each, so you need to be able to accept large attachments.



At 09:40 AM 10/24/2008 -0700, kr7o at vhfdx.com wrote:
>Encore.
>
>Unfortunately, my wife went out to take pictures yesterday and reported 
>"all I saw was ..... so I didn't take any pictures".  I told her that was 
>it, oh well.  With a similar weather forecast for today I hoped there 
>would be a repeat and there was, (but not as intense as yesterday).  I 
>watched the mirage develop from 14:55z (where it was already established) 
>until 1515z (where it was starting do decline).  As I drove into work at 
>1535z there was no visible mirage.  I have some good pictures and I will 
>get them posted up.
>
>
>
>At 08:53 AM 10/23/2008 -0700, kr7o at vhfdx.com wrote:
>>This morning at 1505Z I saw my first ever (over land) visual inversion 
>>while driving to work.  I noticed something strange on the western 
>>horizon.  There was a strong horizontal line about 1 degree above the 
>>horizon.  I could not see the coast range about 60 miles away (which I 
>>usually can from my QTH), but could see the top of the normal valley 
>>inversion layer (with blue sky above).  Looking at the line I realized I 
>>was seeing the inverted images of trees etc., just above the 
>>horizon.  Today should provide some unusual conditions for 10Ghz and up 
>>propagation on the valley floor and possibly in the inversion.  I wonder 
>>if what I saw was actually the upper and lower boundry of a 
>>duct.  Needless to say, this is a very rare event.  I have never heard 
>>reports of a visual inversion in the SJV.
>>
>>I have only ever experienced one other visual tropo event off the SoCal 
>>coast where I saw Catalina floating a degree or two above the horizon, 
>>but not inverted.
>>
>>Unfortunately, I didn't have a camera with me, but did call my 
>>wife.  Will see when I get home if she was able to get any pictures.  I 
>>will check again after sunrise tomorrow for a rare repeat.
>>
>
>73, Robert KR7O/YB2ARO, DM07ba/OI52ee  (ex.  N7STU)
>kr7o at vhfdx.com
>
>www.vhfdx.com (KR7O/YB2ARO homepages)
>
>
>
>_______________________________________________
>Wswss mailing list
>Wswss at mailman.qth.net
>http://mailman.qth.net/mailman/listinfo/wswss

73, Robert KR7O/YB2ARO, DM07ba/OI52ee  (ex.  N7STU)
kr7o at vhfdx.com

www.vhfdx.com (KR7O/YB2ARO homepages)