[LeArc] Forecast Discussion : MLI@ 5/13/2003 3:27:51 AM

Tue, 13 May 2003 03:27:51 -0500

The following weather message is provided by McDonough County E.S.D.A.

FXUS63 KDVN 130826
AFDMLI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
300 AM CDT TUE MAY 13 2003

.SHORT TERM...
SURFACE RIDGE OVER CENTRAL IOWA THIS MORNING...WITH RIDGING 
EXTENDING THROUGH 500 MB.  COMBINATION OF SHORT WAVE AND 850 MB WARM 
ADVECTION OVER NC MO AND NW IA RESULTING IN A FEW SHOWERS AND EVEN 
SOME LIGHTNING.  SHORT WAVE AND ASSOCIATED LIFT WEAKEN THIS MORNING 
SO SHOWERS SHOULD DIMINISH.  

.LONGER TERM...
LATE TONIGHT ETA/GFS DEEPEN AN UPPER LOW AS IT DROPS INTO NORTHERN 
IOWA. DOUBLE-BARRELLED SURFACE LOW WITH HEFTY OMEGAS OVER CENTRAL 
AND EASTERN IOWA TONIGHT.  TSRA LIKELY WEDNESDAY WITH THE UPPER LOW. 
SEVERE THREAT APPEARS LIMITED TO HAIL. MODELS CLEAR THE FRONT 
QUICKLY WEDNESDAY NIGHT.  CLOUDS WILL HOLD TEMPS DOWN WEDNESDAY AND 
THURSDAY.  

EXTENDED PERIODS STILL IN GOOD SHAPE.  NO MAJOR CHANGES THERE.

$$