515 
FXUS63 KIND 131933
AFDIND

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 PM EST MON AUG 13 2001

LRG SCALE TROFFING DVLPG OVR THE ERN U.S. WL INDUCE PROGRESSIVE NWLY
FLOW ACRS THE AREA. THE FLOW WL TEND TO BACK TO A MORE WLY DIRECTION
LT IN THE PD AS MORE ENERGY DIGS INTO THE NRN PLAINS. AT THE SFC...WK
BOUNDARY CURRENTLY LOCATED OVR THE NWRN CWA IS XPCTD TO DRFT S OF THE
CWA BY 02Z OR SO. SFC HI PRES WL FOLLOW IN ITS WAKE AND MOV TO THE
ERN PARTS OF THE COUNTRY BY WED.

IN THE NR TERM...SCT CONVECTION DVLPG ALONG BOUNDARY. AN AXIS OF LI/S
TO ABOUT -6 EXISTS JUST AHEAD OF BOUNDARY...SO THINK THE THREAT OF
CONVECTION WL REMAIN AHEAD OF BOUNDARY. WL PROBABLY HAVE TO MENTION
THIS THREAT IN ZONES THIS EVEN.

OTHERWISE...WX LOOKS TO BE QUIET IN THE LTR PDS AS SFC HI PRES MOVES
ACRS THE AREA. THERE IS SOME CONCERN THAT PCPN THREAT FM NEXT SYS MAY
ARRIVE IN THE WED NIGHT PD...SO MAY NEED TO MOV UP PCPN CHCS IN LTR
FCSTS.

BASED ON LO LVL THICKESS PTNS...NGM MOS HIGHS FOR WED APPEAR ABOUT
3-4 DEGS TOO WARM. WL ADJUST FOR THIS. REMAINDER OF PDS LOOK GOOD.

.IND...NONE.
JAS