SYNOPSIS
A BLOCKING UPPER LEVEL HIGH OVER NORTHERN MEXICO AND A
SURFACE BERMUDA RIDGE WILL CONTINUE TO DOMINATE OUR WEATHER OVER
THE REMAINDER OF THE WEEK. BY THIS WEEKEND, THE RIDGE WILL BUILD
EASTWARD THROUGH TEXAS AND EARLY NEXT WEEK MORE DIRECTLY OVERHEAD.
A VIGROUS UPPER LEVEL TROF WILL RIDE NORTH OF THIS RIDGE NEXT
WEEK. RAIN CHANCES ARE WITH THIS SYSTEM...DEPENDING UPON THE
STRENTGH OF THE UPPER RIDGE CURRENTLY OPPRESSING OUR AREA.
SHORT TERM
OPTIMISTICALLY WENT ABOVE GUIDANCE BUT BELOW CLIMO
ON RAIN CHANCES WEDNESDAY AFTERNOON. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS AS A SHORT WAVE MOVES ACROSS THE NORTHERN TIER
ZONES. NOTED THAT FARORABLE THETA RIDGING AT H8 AND H7 WOULD BE IN PLACE
ON THE GFS WITH MODERATE INSTABILITIES WITH K-INDICES IN THE 20S
ACROSS THE JASPER...ALEXANDRIA AND MARKSVILLE AXIS. THE CAP LOOKS BREAKABLE.
LONG TERM
THERE MAY BE A WEAKNESS IN THE UPPER LEVEL RIDGE
AROUND THE MIDDLE OF NEXT WEEK. TYPICALLY THIS ALLOWS FOR AT LEAST
A CLIMO OR A 30 PERCENT CHANCE FOR SHOWERS AND THUNDERSTORMS. THE
EURO MODEL EXPLOITS THIS WEAKNESS AS AN EXTENSION OF THE BROAD
UPPER LEVEL TROF...AND HINTS AT EVEN BETTER CHANCES FOR RAIN LATE
NEXT WEEK. WE SHALL SEE.
SWEENEY
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