life makers from cabo san lucas mexico where hurricane hilary is lashing the baja peninsula. there you definitely see the effects of the rain and wind. just moments ago, the storm we can very slightly to a cat three hurricane with winds up 245 miles an hour. but rain is the big concern. in fact, could hilary bring catastrophic flooding to parts of the u.s. through monday even though it should be a tropical storm by then. and so that in and of itself is historic. 20 million people across san diego, los angeles, in palm springs, they are now under their first ever tropical storm warning. let's go to nbc's -- welcome. and so i'm sure that preparations, and i see the movement there behind you, what are folks doing to prepare for this storm? >> alex, this is one of the locations where residents of the san diego area can come and with the sandbox. you can hear one of the trucks coming in and i'm going to grab a different microphone just because it gets so loud that i