jlauderdal wrote:wxwatcher91 wrote:12 is getting sheared on the western side causing most of the convection to be replaced to the east or northeast of the center. the FL winds that recon found were in the area of coldest cloud tops however that area is well east of the center... the ULL needs to leave or weaken or something before 12 can really get its act together
shear is extremely weak and not forecast to be strong. this sytem looks better than ever at least on IR. i suspect those 40+ knot winds recon found well east of the center 4 hours ago are alot closer in now. my awareness factor was 2% sunday jumped to 50 yesterday evening as now at 80. i am saying at least a cat 1 at first landfall in the SE US. slow mover, very warm sst's over virgin water, no landmass to weaken it, system in an organizing state. all this spells cat 1 at least.
I'm not sure about a hurricane at first landfall... I suppose maybe like 75mph but I doubt anything higher than that... my forecast intensity at landfall is 60 to 75mph
after it crosses Florida, down to 45 to 50mph.
then I think it will explode over the Gulf averaging at least 5mph increase and/or 3mb reduction every 6 hours until 2nd landfall. this forecast would put 12 (Katrina) at just under major hurricane status at 2nd landfall...
I decided upon this forecast because not only is the most of the GOM containing 90+F waters, it is also fairly moist with no dry air at least in the eastern 2/3 of the Gulf... the only thing that could subdue strenthening in the GOM is once again shear... latest shows 20kt shear over the northern GOM... it is possible however that that will lift northwards before 12 (Katrina) enters the GOM.





