000 
FXUS63 KBIS 282059
AFDBIS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BISMARCK ND
300 PM CST THU MAR 28 2002

THE PATTERN OVER THE NEXT SEVERAL DAYS WILL FEATURE 2 SURFACE LOWS 
PASSING SLOWLY ACROSS SOUTH CENTRAL CANADA.

THE FIRST ONE WILL REMAIN OVER WESTERN ONTARIO THROUGH SATURDAY. A 
WINDY CHINOOK FLOW WILL PERSIST THROUGH FRIDAY AND A WIND ADVISORY 
MAY BE REQUIRED IN THE FRIDAY MORNING FORECAST RELEASE. THE SURFACE 
FLOW TRAJECTORY WILL BRING SLIGHTLY COOLER TEMPERATURES...BUT 
NOTHING TOO DRAMATIC FRIDAY AND SATURDAY. 

SUNDAY IS A TRANSITION DAY WITH THE PASSAGE OF A SURFACE 
TROUGH...THAT WILL ACT AS A WARM FRONT. SOME LIGHT SHOWERS MAY 
ACCOMPANY ITS PASSAGE AS TEMPERATURES RETURN TO THE MID TO UPPER 40S.

THEN THE NEXT SURFACE LOW PARKS ITSELF OVER WESTERN ONTARIO ON 
MONDAY BRINGING STRONG NORTH WINDS...COLD ADVECTION AND INSTABILITY 
SHOWERS (RAIN AND SNOW) TO THE FORECAST AREA THROUGH WEDNESDAY.

BY WEDNESDAY DAY EVENING THE CANADIAN SURFACE HIGH...TRAILING BEHIND 
THE LOW...HAS REACHED NORTH DAKOTA AND A WARMING RETURN FLOW 
DEVELOPS ON THURSDAY.

.BIS...NONE.
RS LEBLANG