Wind Direction (WDIR): NNW ( 330 deg true )
Wind Speed (WSPD): 19.4 kts
Wind Gust (GST): 25.3 kts
The abrupt change screams outflow boundary but the convection is not fading...
Buoy 42058 reporting NNW winds (LLC or outflow boundary?)
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drezee wrote:1250 NNW ( 330 deg ) 19.2 kts
1240 NE ( 43 deg ) 12.8 kts
1230 E ( 97 deg ) 19.6 kts
1220 E ( 99 deg ) 20.8 kts
1210 ESE ( 112 deg ) 20.0 kts
1200 E ( 96 deg ) 14.0 kts
This is what I mean:
switched from E to NNW in one hour
also 73 degrees in 10 minutes....
Ok, I see that. I also do see a small outflow boundary on the SW side of that blob of convection. Take a close-up loop of it on this site.
http://wwwghcc.msfc.nasa.gov/GOES/goeseastconus.html
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weatherwindow
- Category 4
- Posts: 904
- Joined: Mon Sep 20, 2004 9:48 am
- Location: key west/ft lauderdale
let's see if it persists....hallowed persistence(in the words of an unnamed nws staffer)....pressures in the area have come up an average of 1 mb over the last 18 hours but a diurnal minimum of 1007 is still pretty low....IMHO, in the absence of shear, conditions in the western carib are about as favorable for trop development as they will ever be. 
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