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Tropical update
Posted by on Sunday, June 24, 2007 at 10:04 pm

Margie Kieper writes about Tropical Cyclone 03B, a relatively weak storm that nevertheless killed 45 people in India and more than 200 in Pakistan due to flooding. Having made landfall on the Bay of Bengal side and then passed over land, it may reform over the Arabian Sea, which would make it the third “area of disturbed weather of note with potential for a tropical cyclone in the Arabian Sea this year” — Gonu, a system designated 94A that never developed, and now 03B. Very unusually active tropics for that part of the world. If 03B earns a name, it would be Yemyin.

The Atlantic, meanwhile, is anything but active, as Alan Sullivan notes:

Despite two early named systems — both minimal storms that originated from polar lows — the overall pattern of this hurricane season remains very benign. Models project the upper westerlies continuing into July, as deep troughing rebuilds in the eastern US.

I must caution that conditions could change later in the season; however this tendency for troughing in the East has been very pronounced all year. … It would take rearrangement of the atmosphere on a global scale to reverse the trend and build ridging in place of the mean trough — a more favorable pattern for hurricanes. … Under the present regime, I continue to expect a repeat of last year, with storm tracks mostly in the open ocean.

The sub-Saharan dust is also continuing to be a major inhibiting factor. See, for example, this image.




5 Comments on “Tropical update”

  1. Anonymooose Says:

    I blame Al Gore.

  2. ScottF Says:

    Brendan, I’m just curious enough to ask (but not enough to look it up myself)… what naming convention do they use for the Arabian Sea? With Gonu and a possible Yemyin it appears to not be alphabetical; at least by our alphabet.

  3. Brendan Loy Says:

    http://en.wikipedia.org/wiki/Lists_of_tropical_cyclone_names#North_Indian_Ocean

    :)

    I don’t really get the order, either, though.

  4. Brendan Loy Says:

    Ah, okay, I guess the order is determined in the same way as in the Western North Pacific:

    http://en.wikipedia.org/wiki/Lists_of_tropical_cyclone_names#Western_North_Pacific

    The names are submitted by countries in the region, one name per country is on each “list,” and then each list is sorted alphabetically by country.

  5. Andrew Says:

    I was told that Saharan dust is killing coral in the Caribbean. True? Is it a recent phenomenon, or something that’s increased as of late due to “global warming”?


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