Pressure Differences News Today : Breaking News, Live Updates & Top Stories | Vimarsana

We are back live in the cnn newsroom. Im jim acosta in washington. We are tracking hurricane hilary. The system just weakened to a category 2 storm with winds of 110 miles per hour. The historic and potentially catastrophic storm is barrelling toward the southwestern United States, triggering the first ever Tropical Storm warning for millions of people in Southern California. The San Bernardino county Sheriffs Department just issued an Evacuation Warning for some areas in that part of Southern California. Thats just east of los angeles in the mountain and foothill areas. Hilary could bring a y...

Though. that's exactly what our u.s. air force did the last two days as they helped gather information for people on the ground. steve: let's meet some of the people in that plane right now. here is air force tech sergeant chris himmen with the fourth combat camera squadron who was on that plane and he shot the video. with him is business pilot with the 53rd weather recon squadron. gentlemen, good morning to you. >> good morning. >> good morning, sir. >> sergeant. let's start with you, generally, we always hear these stories about the hurricane hunters, they group, they take pictures. explain ...

It's beginning to take the trip northward and a turn towards the northeast is expected. the only warnings out besides here in the bahamas which is awful since they have had these kinds of winds for a couple of days is for a tropical storm watch for bermuda. what is happening here in the united states has virtually nothing to do with hurricane joaquin. it is strong high pressure over canada. the difference between the high pressure there and low pressure across the southeast is what generates the air to move. these pressure differences. that is why it is so windy with damaging surf right at the...

Evacuations. earlier in the day they packed up and got off the island in places where operational, we are finding the -- optional, we are finding the vast majority of residents want to hunker down, keep an eye on their property. they seem to be playing it safe not wanting to take chances. they are taking precautions even though many residents are staying on the island. >> shepard: the worst of it is supposed to be this the middle of the night between midnight and 3 a.m.. i don't know about you, it has been my experience over the years that the scariest hurricanes are the ones you can't see in ...

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