
NWS Brownsville afternoon discussion....Could be some rain in the cards for Sunday!
THE SAME EXISTS FOR SUNDAY WITH THE BOUNDARY A LITTLE MORE DIFFUSE.
GFS/ECMWF SHOW BETTER DIFFERENTIAL POSITIVE VORTICITY ADVECTION IN
THE 300/500MB LAYER THOUGH AS THE CENTER OF THE NOW SEMI-CLOSED
UPPER LOW BEGINS TO RETROGRADE SOUTWESTWARD. KEPT 30 PCT POPS DURING
THE AFTERNOON WITH AT LEAST A SLIGHT CHANCE IN MOST AREAS DURING THE
OVERNIGHT SATURDAY. SOME INDICATIONS THAT AN EASTERLY WAVE WILL PUSH
IN SOUTH OF THE BOUNDARY AND FURTHER JUICE UP THE ATMOSPHERE. IT
SHOULD BE NOTED HOWEVER THAT NORTHWESTERLY FLOW PATTERNS
TRADITIONALLY PRODUCE SOME OF OUR MORE ROBUST SUMMER THUNDERSTORM
EVENTS AND THE ADDITION OF THE SURFACE BOUNDARY AND POSSIBLY THE
EASTERLY WAVE MAKE FOR AN INTERESTING /POTENTIAL/ COMBINATION. WILL
BE MONITORING CLOSELY.