Is it possible for a tropical depression, hurricane or a typhoon to cross the equator?

Answer 1

Can a hurricane change sides? It's never been documented. The Coriolis Force is weakest near the equator, so you don't get the turning needed to spin the air into tight low-pressure centers, so they don't form within 5 or so degrees latitude of the equator.

As for a roaring already-formed hurricane to say, march south across the line, it can theoretically happen -- the weak Coriolis Force there would just let it keep its momentum, and if it crossed, the opposite force would eventually tear it apart. But a secondary part of the Coriolis Force tends to pull systems away from the equator, so they'd be pulled back before they reached the equator.

Answer 2

It is in possible for a hurricane or typhoon to cross the equater put it could be possible for a tropical depression, but the different reverses could throw a tropical depression off and turn it into a little t-storm.

Answer 3

As you continue along the misinformation superhighway of Yahoo! Answers, I suggest you make a stop at Unisys' hurricane archives and check Typhoon #32 of 2001 which formed and became a typhoon within 2° of the equator:

http://weather.unisys.com/hurricane/w_pacific/2001/32/track.gif
http://weather.unisys.com/hurricane/w_pacific/2001/32/track.dat

or Typhoon #18 of 1970 which became a supertyphoon within 5° of the equator:

http://weather.unisys.com/hurricane/w_pacific/1970/18/track.gif
http://weather.unisys.com/hurricane/w_pacific/1970/18/track.dat

Yet none have crossed the equator to my knowledge - they tend to track away from it as mentioned above. If one did, the Coriolis force would counter the sense of the circulation and cause the Low center to evetually weaken.

Answer 4

No. No tropical storm has ever been recorded within 5 degrees of the Equator. The coriolis force this close to the Equator is too weak to keep the airmass spinning. The low centre would just fill in.

Answer 5

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Answer 6

It's impossible..but they did cross the international date line and also the Greenwich line, 0 West (but by this time the storms are strong low pressure systems). I believe Hurricane Vince got close last year tho.

Answer 7

While it's hypothetically possible, it usually doesn't happen due to the steering flow of winds in the equatorial region. Most likely you'll see a storm (in both the north and south hemispheres) move in a westerly and generally away from the equator direction.

Answer 8

If a hurricane crossed the International date line would it go back to where it was yesterday?

Answer 9

No. The driving winds blow parallel to the equator. By "driving winds" I actually mean two things: the winds that impart the spin to the storm in the first place, and the winds that steer it on its path.

Answer 10

no