Tri City area is often referred to as Tri City area of San Diego County or North County in San Diego. Whatever you call it, it is undoubtedly the best place to be winter or summer.
In the summer it is cooler than the rest of Southern California and in the Winter it is warmer. You can check the weather Data history at http://www.wunderground.com/cgi-bin/findweather/getForecast?query=32.72999954,-117.19000244#History .
This alone makes it a favorite among locals and tourists. Our economy thrives like no other around it because we have so much industry. 5 major money makers keep us afloat when other markets falter all around us. These are ;.
1. Tourism
2. Military
3. biotech community
4. Dot com industry
5. Flower industry
Regardng tourism much has been said about Carlsbad http://www.maintour.com/socal/carlsbad.htm
And Vista is a very up and coming area where they are opening up Buena Vista Creek that has been buried for the most part. Creating meandering walking trails, a new “Old Town” out of a once neglected downtown. There are many tourist destinations such as
Antique Gas & Steam Engine
– www.agsem.com
2040 N Santa Fe Ave, Vista – (760) 941-1791
– www.thewavewaterpark.com
101 Wave Dr, Vista – (760) 940-9283
Regarding the impact of our Military economy is important to note
http://www.globalsecurity.org/military/facility/san_diego.htm
Here are just 10 of the new companies located and growing in Oceanside http://maps.google.com/maps?hl=en&um=1&ie=UTF-8&q=Biotech&near=Oceanside,+CA&fb=1&view=text&sa=X&oi=local_group&resnum=4&ct=more-results&cd=1
along with http://www.qualcomm.com/ some of the larger technology companies http://www.sdnedc.org/northcounty_tech.php
Flower industry and other great places to visit http://www.sdctp.com/carlsbad/
Or http://www.carlsbadca.gov/about/vi1.html
Watch this blog for more free and amazing things to do in North San Diego County