999 
FXUS63 KUNR 062044
AFDRAP

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
230 PM MDT THU MAY 6 1999

WINDS SHOWING SOME SIGNS OF DECREASING...HOWEVER WILL KEEP HIGH WIND 
WARNING THROUGH THIS EVENING FOR MOST OF SOUTH DAKOTA CWA...AND WIND 
ADVISORY FOR NORTHEAST WYOMING PLAINS THIS EVENING. SUSTAINED WINDS 
HAVE DROPPED BELOW 40KTS MOST LOCATIONS...WITH WIND GUSTS AROUND 
50KTS. BEEN A FEW HOURS SINCE WE HAVE HAD WIND GUSTS OVER 60KTS. 
STRONGEST MEASURED WIND LAST TWO DAYS CAME LAST NIGHT...87 MPH 
RECORDED IN WEST RAPID CITY. SURFACE LOW OVER SOUTHWEST MINNESOTA 
SHOWING SIGNS OF MOVING EAST...RELAXING THE GRADIENT OVER WESTERN 
SOUTH DAKOTA/NORTHEAST WYOMING. 12Z ETA/NGM AND 15Z/18Z RUC ALL 
INDICATE THAT CORE OF STRONGEST WINDS WILL DECREASE AND MOVE EAST 
THIS EVENING/OVERNIGHT. WILL ALSO NEED TO MENTION SOME SHOWERS THIS 
EVENING OVER EASTERN PORTION OF CWA. 

FRIDAY THROUGH SATURDAY WILL BE QUITE. NGM/AVN FASTER IN BRINGING 
PACIFIC FRONT THROUGH SATURDAY. HOWEVER...WILL TREND TOWARDS SLOWER 
ETA SINCE THE TROF IS STILL DIGGING OVER THE WESTERN U.S. WILL PUT 
IN A CHANCE OF AFTERNOON THUNDERSTORMS NORTHEAST WYOMING SATURDAY. 

.UNR...HIGH WIND WARNING THIS EVENING PLAINS OF WESTERN SOUTH 
        DAKOTA EXCEPT FAR SOUTHWEST.
        HIGH WIND WARNING THIS EVENING SOUTH CENTRAL SOUTH DAKOTA
        WIND ADVISORY THIS EVENING NORTHEAST WYOMING PLAINS
CARSTENS