1.   Do a paid Facebook app download campaign.
2.   Mention your weather app virtues specific to hurricane related needs.  This could be weather content or hurricane prep content that you have. 
3.   Drive the app as being powered by your team of hurricane experts.  Give them specific roles they have in supporting the app experience. 
4.   Give mets time in the newscasts to talk about the app.  Consider creating short packages/long bumps that weather team members can reference. 
5.   Have the apps specifically mentioned in ALL hurricane related content.
6.   Encourage your staff to say they have the app and are using it right now.
7.   Do more promos on air, making sure it isn’t a generic app download campaign.
8.   Tell the audience that hundreds or thousands have downloaded the app to have the very latest on the tracks of storms headed our way. 
9.   Proof your apps in newscasts and weather including any push notifications.  Mention how you are going to have this capability to warn during a hurricane. 
10. Track your app downloads and talk about the focus, the different responsibilities, and the reviews you are getting each day in the AM editorial meetings.