000 
FXUS63 KFSD 302029
AFDFSD

AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA 
NATIONAL WEATHER SERVICE SIOUX FALLS SD 
330 PM CDT THU MAY 30 2002

BRISK WNWLY FLW MIXED OUT TO MAX TEMPS THIS AFTN...BUT COOL FNT 
LURKING NR CANADIAN BORDER WHICH WILL PLUNGE SWD BRINGING SOME 
COOLING TO ESP NERN THIRD CWA FOR FRI. NEW FWC UP TO 10 DEG COOLER 
THAN PREV FWC...BUT APPEARS OVERDONE WITH COOLING. GOING FCST LOOKS 
GOOD IN THIS DEPT. BIG PROBLEM IS N/S BIASES OF MODELS WITH VARIOUS 
RDG RIDERS/CRASHERS NEXT COUPLE OF DAYS. ALL MODELS NOW IMPLY AT 
LEAST A CHC OF LGT SHWRS/ISOLD TSTMS MOVG EWD OVR CWA ON FRI...
FURTHER N THAN PREV ETA/NGM. BEST CHC WITH THIS ROUND SHOULD BE IN 
BTR MOISTURE CONVERGENCE AREA OF NWRN IA FRI EVE...WHEN SOME GOOD 
TSTMS ARE PSBL. BOUNDARY MOVES S OF AREA FOR SAT WITH LINGERING CHCS 
IN SERN CWA. HOWEVER...BY FAR MAIN EVENT EXPCD TO DVLP SAT NGT INTO 
SUN AS BOUNDARY AND GULF MOISTURE COME BACK LIKE GANGBUSTERS IN 
RESPONSE TO NEXT UPR WAVE. WILL GO LIKELY POPS W AND S IN CWA FOR 
SAT NGT AND NERN CWA FOR SUN. BIG TEMP CONTRAST PSBL FM N TO S IN 
CWA SUN. WILL GO DRY FOR MON...BUT BRING BACK CHC SHWRS/TSTMS SPRDG
BACK NEWD INTO CWA FOR MON NGT AND TUE WITH MID LVL OVERRUNNING...
THEN DRY WED AND THU WITH NO GOOD TRIGGER FOR PRECIP. HIGHS 
GRADUALLY WARMING FM LOW TO UPR 70S FM MON TO THU IN MOST OF CWA.

.FSD...NONE
RYRHOLM