Thursday, July 03, 2008

Big Bertha

I know, it's a trite title for the blog entry, but Bertha's shaping up pretty quick. Here's what the NHC has to say:

RECENT MICROWAVE AND VISIBLE SATELLITE IMAGERY SUGGEST THAT THE CENTER IS A LITTLE FARTHER NORTH AND WEST OF THE PREVIOUS ESTIMATES. BECAUSE OF THE RELOCATION OF THE CENTER...THE INITIAL MOTION IS A SOMEWHAT UNCERTAIN 285/12...A LITTLE FASTER THAN BEFORE. BERTHA IS LOCATED TO THE SOUTH OF A MID-LEVEL RIDGE OVER THE EASTERN ATLANTIC AND MODEL GUIDANCE IS IN FAIRLY GOOD AGREEMENT ON A CONTINUED WEST-NORTHWESTWARD TRACK DURING THE NEXT 2-3 DAYS. THEREAFTER...THE MODELS SUGGEST THAT BERTHA WILL APPROACH A WEAKNESS IN THE SUBTROPICAL RIDGE OVER THE CENTRAL ATLANTIC. THE GFS...HWRF...AND GFDL MODELS THEREFORE SHOW A NORTHWESTWARD TURN LATE IN THE FORECAST PERIOD. THE NEW OFFICIAL FORECAST IS A LITTLE FASTER AND NORTH OF THE PREVIOUS TRACK AND IS CLOSE TO A CONSENSUS OF THE GFDL...GFS...HWRF...AND ECMWF MODELS.

VERTICAL WIND SHEAR IS FORECAST TO REMAIN LIGHT DURING THE NEXT FEW DAYS...HOWEVER...COOLER WATERS ALONG THE FORECAST TRACK SHOULD LIMIT INTENSIFICATION. SSTS ALONG THE TRACK ARE EXPECTED TO INCREASE AFTER 48 HOURS WHICH WOULD FAVOR SOME STRENGTHENING. HOWEVER...LATE IN THE FORECAST PERIOD SOUTHWESTERLY SHEAR IS EXPECTED TO INCREASE WHICH AGAIN SHOULD HALT STRENGTHENING.


In other words: not sure exactly what will happen. Keep your eyes peeled. Here's the 5-day cone:

I'll be keeping you posted...

2 comments:

Anonymous said...

Ma'am, "Big Bertha" is a title reserved for Hurricane Bertha 1996, when it slammed into North Carolina. ;-)

-Phil-

Loretta said...

Duly noted, Phil. Thanks.

Hope all's well with you. The way things are shaping up, we might be in touch again this year.