621 
FXUS65 KBOI 222106
AFDBOI

SOUTHWEST IDAHO/SOUTHEAST OREGON AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE IDAHO 
206 PM MST SAT FEB 22 2003

WIND ADVISORY TURNING OUT WELL WITH 30-45 MPH WEST WINDS IN MAGIC 
VALLEY THIS AFTERNOON.  WINDS WILL DECREASE THIS EVENING AS W-E 
PRESSURE GRADIENT EASES.  LATEST MODELS ADJUST TRACK OF NEXT PACIFIC 
STORM ENTERING CALIF FURTHER SOUTH WITH NRN SHIELD OF PCPN ALONG SRN 
IDAHO STATE LINE MON-TUE.  NLY FLOW ALOFT CAN THEREFORE PENETRATE 
FURTHER SOUTH INTO U.S. BRINGING MORE OF THE ARCTIC AIR MASS IN 
MONTANA TOWARD OUR CWA...AND THEN KEEPING IT HERE THROUGH MID WEEK. 
PREVIOUS MODELS TOOK THE WEAKENING CALIF STORM NEWD ACROSS ERN IDAHO 
WED...BUT NEW AVN KEEPS IT ALL FURTHER SOUTH.  WE/LL CARRY SLIGHT 
CHANCE -SHSN IN TWIN FALLS COUNTY JUST IN CASE.  

GRADUAL MODERATION IN TEMPS LATTER PART OF WEEK WITH UPPER FLOW 
FINALLY BECOMING ZONAL NEXT SUNDAY. /L COLIN

.BOI...WIND ADVISORY THROUGH 4PM TODAY IDAHO ZONE 16 (WESTERN MAGIC 
VALLEY). 

$$