and it really shows. with all that usaa offers why go with anybody else? we know their rates are good, we know that they re always going to take care of us. it was an instant savings and i should have changed a long time ago. it was funny because when we would call another insurance company, hey would say oh we can t beat usaa we re the webber family. we re the tenney s we re the hayles, and we re usaa members for life. get your usaa auto insurance quote today. welcome back. alaska has warmed twice as fast as the rest of the world in the last 50 years. new heat records are being set in the southern part of the state. a first-hand look at the effects of it. reporter: alaska s blue/white giants are dying. 34 degree water recently melted ice and snow.
but scientists say this month is on track to become the hottest in recorded history. we saw evidence of that this week. paris, london, amsterdam, brussels, they baked under record temperatures. i think paris got up to 108 degrees yesterday. this followed our own heat wave here roasting much of north america and the arctic, the rising temperatures coming with a very scary warning though in. a study released this week, scientists say some glaciers are melting up to 100 times faster than scientists thought they were. nbc news got a view. reporter: alaska s blue white giants are dying falling to rising temperatures in the 49th state. 34 degree water recently melted ice and snow. reporter: matt sundi guides tours on the massive spencer glacier. in 2009 we used to be able to step onto the ice from the end
are dying. falling to rising temperatures in the 49th state. 34 degree water recently melted ice and snow. matt guides tours on the massive stone glacier. in 2009, you used to be able to tep on the ice from the end of the trail. we have to kayak to the glacier s face a mile away. nimbly making our way past icebergs that have broken off. perhaps as recently as 30 years where we re kayaking right now would have been under hundreds of feet of ice. climatologist brian has come to see the damage first-hand, to an ice mass that s thousands of years old. this is the warmest month on record, any month, any year, for this region. on july 4th, anchorage set a new record at 90 degrees. forest fires leave a haze that hangs in the air. fisheries, a $6 billion industry, are jeopardized. and the ice keeps melting.
this will take you all the way to thursday and we still haven t made landfall. so there s plenty of time for this to shift. the thing that there s no doubt about, this is running over warm water. you need 80 degree water for the storms to continue to fuel. we have water in the 85 degrees range from where it currently sits halfway up the east coast. so the warm water is in place and that s what will allow this to strengthen and go from a tropical storm eventually to a category four hurricane possibly.here s our tropical models. spaghetti models, a lot of them agree but there are a couple models turning it way off. it can miss the coast entirely. others as you get closer to the coast, it gets farther away and i was in the farther out the forecast, the more challenging it is. it is going to take a couple days to get a really good idea. some of our favorite models,
forecast is going to change. this is july in thailand, and this is the rainy season. so it is going to start raining. those water levels will start rising. so when we talk about that window of opportunity, this is it. this is when the decisions have to be made because when it starts raining, as we saw when they first got trapped in the beginning, john, those waters can rise extremely quickly. so now is the time to make a decision. some of those rains in the forecast for as soon as monday. that s why they re watching so carefully. matt rivers, great to have you on the ground for us. we ll check back in next hour. back in the united states, there are divers who train over and over for rescues like this. an up close look at some extreme dangers with gary tuchman in a cave in utah. i walk in 40 degree water with two of the preeminent cave divers in the united states. sergeant wendell knope and richard lamb. we re in northern utah s logan can kbron and a cave system