Page 3 - Pressure Drops News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Is strengthening. so as that pressure drops, the hurricane's gonna start to strengthen and we are going to begin to see those winds shoot up here in the coming hours. so it's begun its strengthening process. national hurricane center expects this bad boy to rapidly inte intensify in the hours to come before it makes landfall in southeastern louisiana. it's going to rapidly intensify into a category 4 hurricane with 130 -- 130-mile-per-hour sustained winds. gusts as high as 150 and it will make landfall as a category 4 hurricane late in the afternoon to early evening on sunday. from there, it w...

A lot of detail. you see shadows, ridges of thunderstorms but the well defined eye. moments ago the latest advisory has come in and what we know is the pressure is dropping. that means it's getting stronger. once the pressure drops, it takes a while for the winds to react and they pick up in their intensity. we've jumped from 100-mile-per-hour sustained winds to 105. this environment is conducive for it to blow up even more. typically these storms will fight off some dry air. a lot of times you'll have a little weak shear that tries to break them down. there is no shear. nothing but extremely ...

Tom, what's the latest forecast? this thing is strengthening, no doubt about it? >> no doubt about it, jim. what we've been watching is a well-defined eye popping up. inside the eye, columns of warm air are shooting up and cooling at the top. we got a lot of lightning activity, so it's strengthening. we'll get a 5:00 p.m. update from the national weather service, but we'll see the pressure drop. when the pressure drops, the winds respond and they really pick up. so, again, we're at 100-mile-an-hour sustained storm. we're about 290 miles from the mouth of the mississippi. four out of five hurri...

A pressure drops, the storm gets stronger and once that pressure drops, the winds pick up. we just seen a 20 milibar drop. that's the greatest drop of pressure between one advisory and the next since the birth of dorian. at this time last night, it was a category one expecting at 11:00 p.m. last night to become a two and did. last night it was a three and we're all most at cat four now. that pressure dropped, increased winds to 125 miles per hour. that's only five miles per hour away from category four status and one way to know this before it occurs is we've all seen radar and you see a well-...

>> the time to act is now. if you haven't acted, act to make preparations. do not wait until it's too late. if you prepared and then don't end up getting affected, no harm no foul. if you don't prepare, that may be something difficult to recover from. >> dana: rick leventhal is at the hurricane center. >> reporter: i think a lot of florida will be impacted by this. it's looking like it will be moving slowly. that means a lot of people getting a lot of rain. talking about a pretty widespread flooding event from this. this is the storm way out here still. kind of headed toward the bahamas. north...