Ed DunhamAdministrator
(Former Meteorologist & CFHC Forum Moderator (Ed Passed Away on May 14, 2017))
Tue Sep 26 2006 10:54 AM
Re: 97L

Good question - it looks like somebody got careless. Either NHC sent the wrong centerpoint coordinates to NRL, or NRL, didn't input the correct coordinates. Invest 96L has centerpoint coordinates of 21.4N 49.0W - but there is nothing there. Coordinates for 96L probably should have been 22.4N 49.0W. The 12Z tropical model runs for 96L were initialized with 21.4N 49.0W - so the model run is not very useful and the mistake was probably made by NHC.

Invest 97L has listed centerpoint coordinates of 20.0N 47.0W, but once again there is nothing there - matter of fact there is nothing at 20N across the entire basin - so we have no idea where Invest 97L was meant to be until the error is corrected.

Added: I checked some high resolution images and there is a weak circulation at the 97L coordinates, however, it would be highly unusual for NHC to assign two Invests against a potentially developing system since many systems in their early stages of development have multiple vorticies. I also see where Invest 97L is listed at 10 knots??? Maybe the real mistake was listing 97L.

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