Page 2 - Ellen Prager News Today

Make it and everything is going to be okay. >> even after hurricane arthur passes, rip currents could still be a threat for several days. joining me now is dr. ellen prager, a marine scientist. shes on skype which is a good thing. we can see her. good morning. >> good morning. >> heres the big problem. a lot of people dont know how to spot a rip current in order to get out of the way. how can you see one in order not to get sucked in? >> the problem is they are very difficult to see, especially ...

You should not be going in the water when theres a threat for rip currents. >> stay away. >> thats the answer. >> all right. dr. ellen prager, thanks for joining us and providing us with more information on rip currents. that wraps things up for me. richard lu i picks up the special coverage of hurricane arthur.

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conditions seem to be improving right now. we are starting to see a few people out walking on the beach. most people still staying inside but, yeah, things have remarkably improved the last half hour here. max winds out here last night were 60 to 70 miles an hour and extreme but not as extreme 30 minutes south where winds topped a hundred miles an hour. >> sarah, those high winds also means you have to watch the surf conditions and the waves. what are you seeing out in the ocean? >> re...

Very stiff resistance. wolf? >> excellent explanation, tom foreman, thank you. lets bring in ocean scientist ellen prager joining us from miami. that was a good explanation from tom, and i understand that bottom over there, the floor of the indian ocean where they are searching has never been mapped at all, so they are not sure whats down there, right? >> thats correct. in fact, you know, you can go on the web and bring up a picture of the bottom topography of the world ocean and it looks like w...

Tweaking, essentially, this one to get it right if that happens, but i think at the same time youd be looking for a back-up system. >> well check back with you tomorrow, ellen, if we can. thanks very much, ellen prager, joining us from miami. just ahead, well have the latest on our coverage of the mystery of flight 370 as were tracking that bluefin-21 on this, its second day of searching. the air search, by the way, is resuming right now, as well. and authorities are charging frazier glenn c...

Topography is rough and rugged. once they start looking at the images, its just going to take time. hopefully its down there and again get the family some news. >> hopefully youre right. ellen, lets wait and see. appreciate it very much, ellen prager, appreciate the challenges that await this search. coming up, well see how the passengers families are reacting about the search for the missing jet. up next, new and violent developments unfolding right now in ukraine. president of the united s...

And you get those pictures from the tsunami of the water sweeping back out to the ocean with very powerful currents that you have to worry about. >> dr. ellen prager, thank you for joining us with the details on what a tsunami is about. appreciate that. well move to london. michelle kosinski is live there. with all the building damage that were seeing. this is from vina del mar. >> it looks like im looking away from the camera, im actually seeing the pictures at the same time youre seeing them c...

Or does it decrease as it travels? >> well, thats a great question that people are always wondering. what happens in a tsunami is they travel very fast. but oceans, almost at the speed of a jet airplane. but when they approach the shore and the water shallows, what happens is they begin to feel the bottom and bunch up. and thats when we start to see the rise in height of the waves. but they actually slow down when they hit that shallow water because of the friction from the bottom, essentially, ...

Areas of alaska exist. joining me is a marine scientist and author who has written extensively on ocean science and that would include tsunamis. good morning to you, dr. prager. >> good morning, alex. >> how concerned are you about the coast of hawaii at this point and other areas, easter island, the juan fernandez islands also known as robinson caruso. what kind of tsunami are we talking about here? >> it is very hard to predict the height at this point because things along the way, as the wave...