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MESOSCALE DISCUSSION 0181
NWS STORM PREDICTION CENTER NORMAN OK
0304 AM CST SUN MAR 01 2009
AREAS AFFECTED...CNTRL/SCNTRL GA...CNTRL SC
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 010904Z - 011030Z
STRONG PV-ANOMALY HAS BECOME NEUTRAL-TILT AND WILL BEGIN EJECTING
NEWD ACROSS GA/SC AFTER DAYBREAK. LEADING EDGE OF ASSOCD DEEP
ASCENT HAS CAUGHT UP WITH THE SFC LOW/CDFNT OVER CNTRL GA AS OF 09Z
AND CONVECTION HAS DEEPENED/STRENGTHENED SW OF KDHN. STRONGER CELLS
HAVE BECOME ORIENTED NORMAL TO THE UNIDIRECTIONAL VERTICAL SHEAR AND
TAKEN ON A MINI BOW ECHO CHARACTERISTICS. CURRENT RUC FCST
SOUNDINGS SUGGEST THAT ACTIVITY MAY BE ROOTED A FEW HUNDRED METERS
ABOVE THE GROUND...BUT SUFFICIENTLY CLOSE TO POSE AT LEAST AN ISOLD
DMGG WIND THREAT ONCE COLD POOLS BECOME ESTABLISHED. HAIL WILL ALSO
BE A RISK AS TEMPERATURES ALOFT BEGIN TO DECREASE WITH TIME.
CURRENT EXTRAPOLATION SUGGESTS THAT TSTMS WILL REACH THE SAVANNAH
RVR NEAR/S OF AUG/WAYNESBORO AROUND 1030-11Z. BY THEN...TENDENCY
FOR THE SFC LOW TO DEVELOP ESEWD TOWARD THE INCREASING PRESSURE
FALLS OFF THE SERN GA CST WILL PULL THE WEDGE FRONT OVER CNTRL
SC/NERN GA SWD AND ACTIVITY SHOULD BECOME INCREASINGLY ELEVATED.
HIGHEST POTENTIAL FOR SVR WEATHER WILL EXIST WITH THE PRE-FRONTAL
TROUGH ACROSS CSTL SECTIONS OF GA THROUGH DAYBREAK.
..RACY.. 03/01/2009
ATTN...WFO...CHS...CAE...FFC...
LAT...LON 32378343 33258184 33248121 32828128 31808300 32378343
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