did anyone notice hurricane like feature in arizona

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cpdaman
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did anyone notice hurricane like feature in arizona

#1 Postby cpdaman » Thu Jul 13, 2006 8:02 pm

last weekend

has anyone ever seen anything like this before

http://wwwa.accuweather.com/news-column ... ster=clark

is this occasional or more like the hurricane that hit brazil (weird new phenomena)

and yes i'm bored
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#2 Postby WindRunner » Thu Jul 13, 2006 8:50 pm

Image

Impressive to say the least . . . I would assume it was relatively warm core, as the GFS currently depicts a somewhat warm-core low over the area right now. I really don't know much other than the fact that it looks nice, and probably has no similarities to the S. Atlantic cyclones, other than the whole low-pressure thing.
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#3 Postby AJC3 » Thu Jul 13, 2006 8:51 pm

Nah, just a case where you have a well defined and symmetric upper level vortex with a cloud free center. You often see the same radar/satellite presentation with MCV's leftover from decayed MCC's.


MCV = mesoscale convective vortex
MCC = mesoscale convective complex
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#4 Postby cpdaman » Thu Jul 13, 2006 10:18 pm

thanks for the reply AJC3

in these MCV's left over from decayed MCCs do the bands rotate around the cloud free center
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#5 Postby HurricaneHunter914 » Thu Jul 13, 2006 10:27 pm

If that was actually a hurricane, this thread would have gotten 25 pages in 30 minutes. :ggreen:
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#6 Postby AJC3 » Thu Jul 13, 2006 10:27 pm

cpdaman wrote:thanks for the reply AJC3

in these MCV's left over from decayed MCCs do the bands rotate around the cloud free center


Usually by the time the leftover vort is visible within the mid level convective debris, there isn't much convection left to do any "rotating".

There are exceptions, however, where a well formed MCV continued to form convection beneath it. There was also a case a couple years back of an unusally well defined mesolow that moved through the northeast IIRC. Some dubbed the system a "landphoon" because of it's presentation on radar which also showed an eye-like feature.
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#7 Postby Jim Cantore » Thu Jul 13, 2006 10:41 pm

EDIT: the resize didnt work

Image
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#8 Postby gatorcane » Thu Jul 13, 2006 10:51 pm

if we have too look to Arizona for "hurricane-like" features, the Atlantic must be extremely quiet.

All I have to say as far as what I feel right now is

:boared:
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#9 Postby Wthrman13 » Thu Jul 13, 2006 11:18 pm

If anyone is interested, these conference papers discuss some results from the BAMEX (Bow Echo and MCV Experiment) field experiment in which several MCV's were noted to persist and re-initiate convection. Very interesting reading.

http://ams.confex.com/ams/11aram22sls/t ... _17653.htm

One has to be careful interpreting satellite imagery when eye or eye-like features appear to be present. Almost any sufficiently intense vortex can possess eye-like structures on scales ranging from dust devils to large extratropical cyclones. This doesn't necessarily mean that they form in the same way or possess thermodynamic characteristics like those of hurricanes. In the case of MCV's, they are indeed warm-core, like tropical cyclones, but with a circulation confined to the mid-levels of the atmosphere, with a cold pool and associated high-pressure dome underneath. However, one of the theories of tropical cyclogenesis includes the possible role of MCV's that form or move over tropical oceans gradually working their way down to the surface, and subsequently spinning up into bonafide TC's.
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#10 Postby HurricaneHunter914 » Thu Jul 13, 2006 11:45 pm

Right now this thing is too far away from the Atlantic to become a TC.
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#11 Postby Jim Cantore » Thu Jul 13, 2006 11:49 pm

HurricaneHunter914 wrote:Right now this thing is too far away from the Atlantic to become a TC.


This is a joke that you gave me the idea for, I couldn't resist

Random person: Wouldn't it be funny if it formed over land?

Random person 2: but tc's dont form over the desert

Image
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#12 Postby HurricaneHunter914 » Thu Jul 13, 2006 11:52 pm

:lol: :lol: But some have. :eek: :eek:
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#13 Postby Jim Cantore » Thu Jul 13, 2006 11:53 pm

HurricaneHunter914 wrote::lol: :lol: But some have. :eek: :eek:


it's freaky that likely someone somewhere thinks it's a hurricane and is panicing right now :eek:
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#14 Postby HurricaneHunter914 » Thu Jul 13, 2006 11:56 pm

Right now I beleive that "hurricane" is causing havoc over Arizona right now! :eek:
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#15 Postby Jim Cantore » Fri Jul 14, 2006 12:06 am

IT'S A CAT 5 AHHHHHHHHHHHHHHHHHHHH PHONEIX IS GONNA FLOOD!!!!!!!
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#16 Postby HurricaneHunter914 » Fri Jul 14, 2006 12:32 am

ALL THE WOMEN AND CHILDREN WILL GO IN THE BOATS FIRST!!!! :lol: :lol: :lol: :lol: :lol:
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#17 Postby Jim Cantore » Fri Jul 14, 2006 12:52 am

STRIKE UP THE BAND! THE DESERT IS GOING UNDER (gee whats wrong with that sentence)

actually thats true about death valley, it is lower then new orleans I believe, it just almost never rains.
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#18 Postby Wthrman13 » Fri Jul 14, 2006 4:33 pm

Speaking of MCV's, there is a beautiful example of one just now exiting the Baja Peninsula. It formed from a large convective complex over NW Mexico last night and has tracked SW all day. On a large scale satellite, it looks almost as large as Carlotta to its south. Of course, it's moving out over cool water so is very unlikely to develop into anything, but an interesting feature nonetheless.

http://www.rap.ucar.edu/weather/satelli ... uration=12

There is also another MCV that has initiated convection in SE MO today.

http://www.rap.ucar.edu/weather/satelli ... uration=12
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#19 Postby Aslkahuna » Fri Jul 14, 2006 5:07 pm

There was a MCV in 2004 that formed from a monsoonal MCS in Sonora that wound up triggering severe weather all of the way to the East Coast of the US as it track up and around the monsoonal High aloft. It was tracked by the NAME Forecasters.

Steve
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