202 
FXUS63 KFSD 192000
AFDFSD

AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA 
NATIONAL WEATHER SERVICE SIOUX FALLS SD
300 PM CDT MON APR 19 2004

.DISCUSSION...

SUBSIDENT HIGH PRES MOVG ESEWD OVR CWA THIS EVE FLWD BY INCRG SELY 
FLW DURG NGT. SC CLDS SHOULD BRK UP THIS EVE...BUT HIGHER CLDS MOVG 
IN FM W. TEMPS SHOULD DROP MORE THAN GUID WITH RADIATIONAL COOLING. 
MODELS SEEM A LIT FAST WITH NEXT MAJOR TROF MOVG IN FM RCKYS. THIS 
SYS SHOULD RAPIDLY PULL DEEP MOISTURE NWD FM SRN PLAINS LATER TNGT 
INTO TUE...AND WITH GOOD ISENTROPIC LIFT EXPCD...WILL GO WITH ALL 
THE MODELS WDSPRD SHWRS MOVG NEWD OVR CWA TUE WITH CHC TSTMS IN SRN 
CWA IN THE AFTN. SEEMS WITH EVAP COOLING THAT GUID HIGHS A LIT ON 
THE WARM SIDE TUE...ESP IN NRN CWA. STILL WRAPAROUND MAINLY NERN CWA 
FOR TUE NGT...THEN CLDS SHOULD GRADUALLY BRK FM W TO E IN CWA ALG 
WITH MODERATING TEMPS THRU WED. MOST LONG RANGE MODELS SHOW UPR LOW 
AFFECTING SRN CWA THU AFTN THRU FRI MRNG AND WILL HAVE MAIN CHC 
SHWRS DOWN THERE. THEN ANOTHER TROF MOVG IN FM RCKYS THIS WEEKEND 
WITH A CHC SHWRS PLANNED FOR SUN. OVERALL TEMPS LOOK ON THE COOLISH 
SIDE THRU MOST OF FCST...BUT SHOULD BE NICE BTWN THE CHCS OF RAIN.

&&

.FSD...WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.

&&

$$   
RYRHOLM