MESOSCALE DISCUSSION 0425
   NWS STORM PREDICTION CENTER NORMAN OK
   0425 AM CDT FRI APR 10 2009
   
   AREAS AFFECTED...NORTHERN AL/EAST CENTRAL MS INTO NORTHWEST GA
   
   CONCERNING...TORNADO WATCH 130...
   
   VALID 100925Z - 101100Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 130 CONTINUES.
   
   TORNADO WATCH 130 CONTINUES UNTIL 14Z...WITH PRIMARY SEVERE RISK
   CENTERED ACROSS NORTHERN AL. CLOSELY MONITORING SHORT TERM TRENDS TO
   THE EAST OF WW 130 FOR THE POSSIBILITY OF AN ADDITIONAL WATCH /OR
   PERHAPS LOCAL WFO EXTENSION/ ACROSS NORTHEAST AL AND PORTIONS OF
   NORTHWEST GA/PERHAPS EASTERN TN.
   
   STRONG/SEVERE CONVECTIVE LINE WITH HISTORY OF SEVERE HAIL/WINDS WILL
   CONTINUE TO APPROACH/CROSS THE I-65 CORRIDOR BETWEEN HUNTSVILLE AND
   BIRMINGHAM OVER THE NEXT 1-2 HOURS...LIKELY AIDED BY A MID LEVEL JET
   STREAK/IMPULSE PER SATELLITE IMAGERY. LOW LEVEL MOISTENING/SOME
   WARMING CONTINUES TO OCCUR ESPECIALLY IN ASSOCIATION WITH THE
   SOUTHERN PERIPHERY OF THIS MCS. THE MODERATE ORGANIZATION OF THIS
   SMALL SCALE MCS/UPSTREAM HISTORY OF SEVERE AND THE TREND OF LOW
   LEVEL MOISTENING/STRENGTHENING FLOW JUST ABOVE THE SURFACE PROVIDE
   CONCERN FOR A SEVERE THREAT TO CONTINUE EAST OF WW 130. SHORT TERM
   TRENDS WILL CONTINUE TO BE MONITORED FOR THE POSSIBILITY OF AN
   ADDITIONAL WATCH.
   
   ..GUYER.. 04/10/2009
   
   
   ATTN...WFO...MRX...FFC...BMX...HUN...
   
   LAT...LON   33348780 34078809 34858678 35138537 35038473 34268463
               33438521 33208677 33348780