PRESSURE "FALLING RAPIDLY" MID-GOM......

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dixiebreeze
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PRESSURE "FALLING RAPIDLY" MID-GOM......

#1 Postby dixiebreeze » Mon Aug 02, 2004 6:39 pm

It would seem prudent to keep a close eye on the GOM. Pressure are falling all over the place and especially here, 180 kn S. of Louisiana:

Conditions at 42001 as of
(5:50 pm CDT)
2250 GMT on 08/02/2004:

Wind Direction (WDIR): S ( 170 deg true )
Wind Speed (WSPD): 7.8 kts
Wind Gust (GST): 7.8 kts
Wave Height (WVHT): 1.3 ft
Dominant Wave Period (DPD): 4 sec
Atmospheric Pressure (PRES): 29.88 in
Pressure Tendency (PTDY): -0.12 in ( Falling Rapidly )
Air Temperature (ATMP): 83.7 °F
Water Temperature (WTMP): 87.4 °F
Dew Point (DEWP): 75.0 °F
Heat Index (HEAT): 91.4 °F
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#2 Postby dixiebreeze » Mon Aug 02, 2004 6:43 pm

Here is a good look:

http://www.ssd.noaa.gov/PS/TROP/DATA/RT/GMEX/IR4/20.jpg
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Matthew5

#3 Postby Matthew5 » Mon Aug 02, 2004 6:44 pm

Interesting with the increase in convection around the central Gulf???
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#4 Postby dixiebreeze » Mon Aug 02, 2004 6:46 pm

I would certainly agree, Matthew. The GOM is very ripe.
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Rainband

#5 Postby Rainband » Mon Aug 02, 2004 6:57 pm

Nothing organized. Just a bunch of Tropical Moisture. If it persists and the UL enviornment improves maybe something could pop.
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#6 Postby Stormsfury » Mon Aug 02, 2004 7:13 pm

Now that the area is fairly far away from Alex, it actually almost looks like the tail end of a frontal boundary (or trough) ... however, I don't exactly hold a lot of hopes up for 90L developing something tropically speaking ... at least right now.

SF
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ColdFront77

#7 Postby ColdFront77 » Mon Aug 02, 2004 8:43 pm

A 0.12 in. drop in pressure can't be consider small, especially when they rose 0.09 in. one to three hours before that this afternoon.
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#8 Postby dixiebreeze » Mon Aug 02, 2004 8:44 pm

I agree, Tom, and look at this:

http://www.ssd.noaa.gov/PS/TROP/DATA/RT/GMEX/IR4/20.jpg
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#9 Postby TS Zack » Mon Aug 02, 2004 8:46 pm

There is a surface trough across the GOM.
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kevin

#10 Postby kevin » Mon Aug 02, 2004 8:46 pm

I don't see how its _that_ extraordinary. Maybe if there was a trend and convection building over it....
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ColdFront77

#11 Postby ColdFront77 » Mon Aug 02, 2004 8:46 pm

Tropical cyclones can and do form from surface troughs.
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