(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 had a population of 11,267 as of July 1, 2015. The primary coordinate point for Tomball is located at latitude 30.0974 and longitude -95.6194 in Harris County.he elevation is 187 feet. The City of Tomball (GNIS ID: 2412080) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of A which identifies an active government providing primary general-purpose functions.