Tony Perry. San Diego council votes along party lines to increase minimum wage to $11.50 an hour by 2017. On a strict party-line vote, the San Diego City Council has voted to raise the local minimum wage -- possibly setting up another fight with the business establishment. The six Democrats on the council voted in favor, the three Republicans against.
Continental Tropical : These are the hot, dry air masses which originate over northern Mexico and the southwestern United States. This air mass enters the United States through New Mexico, Arizona and western Texas and frequently moves eastward to northeastward bringing hot, dry air to Texas.
pressure at any given height is called an air mass. A single air mass may spread over millions of square kilometers and be up to 10 kilometers deep. Types of Air Masses Scientists classify air masses according to two characteristics: temperature and humidity. Four major types of air masses influence the weather in North America: maritime tropical, continental tropical, maritime polar, and continental polar. The characteristics of an air mass depend on the temperatures and moisture content of the region over which the air mass forms. Remember that temperature affects air pressure. Cold, dense air has