MESOSCALE DISCUSSION 2253
NWS STORM PREDICTION CENTER NORMAN OK
0649 PM CDT MON AUG 25 2003
AREAS AFFECTED...SERN CA...LOWER DESERTS OF CENTRAL AND WRN AZ
CONCERNING...SEVERE THUNDERSTORM POTENTIAL
VALID 252349Z - 260145Z
...LOCALLY DAMAGING WINDS MAY ACCOMPANY INTENSIFYING THUNDERSTORM
BANDS AS THEY MOVE OFF THE HIGHER TERRAIN. THIS REGION WILL BE
UPGRADED TO SLIGHT RISK AT 01Z OUTLOOK..
CONVECTION APPEARS TO BE ORGANIZING IN MULTIPLE BANDS AS IT BEGINS
TO SURGE OFF THE HIGHER TERRAIN...ESPECIALLY FROM MOHAVE-YAVAPAI
COUNTIES IN AZ. THIS ACTIVITY MAY BECOME BETTER ORGANIZED AS COLD
POOL DEEPENS BENEATH EXPANDING PRECIPITATION SHIELD. DAMAGING WINDS
MAY ACCOMPANY THE LEADING EDGE OF STRONGER ACTIVITY AS IT PROPAGATES
SWWD INTO THE DESERTS.
..DARROW.. 08/25/2003
ATTN...WFO...TWC...FGZ...PSR...VEF...
34521561 34341337 34091064 33241057 32981199 33491491
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