(In 10.8, Apple Calendar will always display an additional alert that says None. To add an additional alert, click the arrow next to None .). Then repeat steps 2 through 4. 1  Once you have added your desired number of alerts for that event, simply click outside the event.
Tomball is a city in Harris County in the U.S. state of Texas, a part of the Houston metropolitan area. The population was 10,753 at the 2010 census. In 1907, the community of Peck was renamed Tomball for local congressman Thomas Henry Ball, who had a major role in the development of the Port of Houston.
The city of Tomball is primarily served by FM 2920 (Main Street) east to west and State Highway 249 (Tomball Parkway) north to south. David Wayne Hooks Memorial Airport, a general aviation airport, is located outside of the Tomball city limits in northwest Harris County.On June 27, 2007, the Texas State Legislature approved Tomball's request to annex Hooks Airport even though the airport does not border the Tomball city limits.he city of Tomball is primarily served by FM 2920 (Main Street) east to west and State Highway 249 (Tomball Parkway) north to south. David Wayne Hooks Memorial Airport, a general aviation airport, is located outside of the Tomball city limits in northwest Harris County.