MESOSCALE DISCUSSION 0845
NWS STORM PREDICTION CENTER NORMAN OK
0618 PM CDT FRI MAY 09 2008
AREAS AFFECTED...ERN KY/FAR SWRN VA/MIDDLE AND ERN TN/NRN AL/FAR
NERN MS
CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY
VALID 092318Z - 100015Z
ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE EARLY THIS EVENING
ACROSS THE TN VALLEY FROM NERN MS INTO MIDDLE AND ERN TN AND ERN KY
REGION.
WATER VAPOR IMAGERY INDICATED A WEAK AND SOMEWHAT BROAD MID LEVEL
TROUGH TRACKING EWD THROUGH THE OH VALLEY THIS EVENING. A COLD
FRONT ATTENDANT TO A LEAD IMPULSE...NOW MOVING THROUGH SRN OH...
EXTENDED FROM ERN OH SWWD THROUGH CENTRAL KY TO CENTRAL AR. A FEW
TSTMS HAVE RECENTLY DEVELOPED OVER NERN KY...NEAR STRONGER FORCING
WITH THE SRN OH IMPULSE...AND ALSO OVER MIDDLE TN WITHIN WAA REGIME
AHEAD OF THE COLD FRONT. A NARROW CORRIDOR OF LOW LEVEL MOISTURE
/SURFACE DEWPOINTS IN THE UPPER 50S TO AROUND 60/ AND INSTABILITY
RESIDES ALONG AND JUST AHEAD OF THE COLD FRONT. DESPITE GENERALLY
WEAK INSTABILITY THAT SHOULD LIMIT THE COVERAGE OF STRONGER
STORMS...STRONG EFFECTIVE BULK SHEAR /AROUND 50 KT/ WILL SUPPORT A
FEW ORGANIZED STORMS PRODUCING ISOLATED DAMAGING WIND GUSTS AND SOME
HAIL.
..PETERS.. 05/09/2008
ATTN...WFO...RLX...MRX...JKL...FFC...LMK...OHX...HUN...MEG...
34888893 35578853 36298690 36748536 37338438 38138327
37888221 36958219 35678382 34598590 34468836
|
