If a huge storm is guided your direction, Google wants to be your go to information root. The Google Crisis Reaction task force wants to alert users about when a storm will hit, how bad will it be, and what resources are available to assist in the present situation.
Presumptuous you have cell phone service or internet access during a major weather event, the emergency information will be available online with smoothly to use online tools. Google has together with various weather, public protection, and national foundations such as the U.S. National Oceanic and Atmospheric Administration (NOAA), the National Weather Service, and the U.S. Geological Survey (USGS), with all their information being accessible online the moment it hits any one of their websites.
For instance, if you Google [flood Indiana], this will spark a Flood Warning Google Maps alert, which looks above all the other map information on the page.
If you click on "more information" you will view a page detailing out entirely about the flood warning alert, along with everything that Google has about the possible or current/present flooding. You will also get a link to the source of the information, in this case The National Weather Service.
If you're situated in the area of the alert, your area will be listed first. If you aren't situated in the area of the alert, you'll see the areas listed with the greatest austereness based on your search query. To see a breakdown of every alerts based on your geographical location, you can visit the Google Alerts page.