According to Melbourne NWS they have the trough moving into the EGOM.
FRI-SUN...
INVERTED H85-H50 TROF AXIS OVER THE FL PENINSULA WILL PUSH INTO THE
ERN GOMEX THRU 00Z SAT...ALLOWING THE LCL STEERING FLOW TO SHIFT
FROM S TO SW. DLM MOISTURE ON THE BACKSIDE OF THE TROF WILL PUSH
ACROSS THE SRN HALF OF THE PENINSULA ON FRI...SETTING THE STAGE FOR
A WET WX SCENARIO THIS THRU THE END OF THE WEEK.
MEANWHILE...AN H85-H50 SHORTWAVE TROF IN THE LEE OF THE CANADIAN
ROCKIES WILL DIG ACROSS THE HIGH PLAINS UNDER THE INFLUENCE OF AN
80-90KT H25 JET MAX. THIS TROF WILL GRADUALLY MERGE WITH A BROADER
H85-H50 TROF OVER THE GREAT LAKES REGION...WITH THE COMBINED TROF
DIGGING ACROSS THE NATION`S MIDSECTION ON FRI. AS IT DOES...IT WILL
PASS OVER A BROAD/WEAK SFC TROF OVER THE CENTRAL PLAINS...
EVENTUALLY INDUCING A NEW SFC LOW OVER THE APPALACHIAN REGION AROUND
12Z SAT.
http://weather.sun-sentinel.com/global/ ... llite.html