Area Forecast Discussion
Issued by NWS Boise, ID

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
FXUS65 KBOI 310310
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
910 PM MDT SUN AUG 30 2015

.DISCUSSION...A SHORTWAVE MOVED THROUGH EARLIER TODAY CAUSING SOME
LIGHT RAIN OVER THE HIGHER ELEVATIONS IN EAST CENTRAL OREGON AND
WEST CENTRAL IDAHO. AS THE SHORTWAVE CONTINUES TO MOVE EAST...THE
CLOUD DECK WILL DECREASE OVER OUR REGION. HAVE UPDATED TO REMOVE
SHOWERS AND REDUCE CLOUD COVER BEFORE MIDNIGHT MONDAY. WINDS ARE
EXPECTED TO REMAIN CALM OVERNIGHT. NO FURTHER UPDATES TO THE
FORECAST.

&&

.AVIATION...VFR. MID-LEVEL CEILINGS E-CENTRAL OREGON AND W-CENTRAL
IDAHO WILL BREAK UP OVERNIGHT. LIGHT SURFACE WINDS OVERNIGHT AND
MONDAY WITH WEST-SOUTHWEST WINDS TO 20 KTS THROUGH 10K FEET ALOFT.
AN INCREASE IN SMOKE LAYERS AND REDUCTION VISIBILITY DUE TO WILDFIRE
SMOKE IS POSSIBLE MONDAY.

&&

.PREV DISCUSSION...
SHORT TERM...AFTER A FEW SHOWERS IN NRN-MOST ZONES THIS EVENING...
NO MORE PCPN THROUGH TUESDAY.  COOL UPPER TROUGH WILL FILL TONIGHT
AND MONDAY THEN 500 MB HEIGHTS WILL HOLD STEADY THROUGH TUESDAY.
SO MONDAY WILL BE A FEW DEGS WARMER THAN TODAY.  ON TUESDAY...EVEN
WITH 500 MB HEIGHTS HOLDING STEADY...WINDS ALOFT WILL BACK FROM
WESTERLY TO SWLY AND WE EXPECT ANOTHER 5-8 DEGS WARMING. AS FOR MIN
TEMPS...TONIGHT WILL BE QUITE COOL BUT ONLY SLIGHTLY COOLER THAN
LAST NIGHT.  MIN TEMPS MONDAY NIGHT SHOULD BE A COUPLE DEGS WARMER
THAN TONIGHT/S MINS.  LIGHT WINDS THROUGH TUESDAY.

LONG TERM...TUESDAY NIGHT THROUGH SUNDAY. AN UNSEASONABLY DEEP
UPPER LEVEL TROUGH WILL DIG SOUTHWARD ALONG THE BRITISH COLUMBIA
COAST FROM ALASKA TUESDAY NIGHT INTO THE PACIFIC NORTHWEST BY
WEDNESDAY. COOLER AIR WILL USHER INTO SW IDAHO AND SE OREGON
WEDNESDAY AND THURSDAY WITH TEMPERATURES 10-15 DEGREES BELOW NORMAL
THURSDAY INTO SATURDAY. LATEST MODELS NOW FORM A CLOSED LOW OVER
OR/WA/ID BORDER FRI AFTERNOON WHICH WOULD PROMOTE EVEN COOLER
TEMPERATURES AND HIGHER CHANCES OF PRECIPITATION. DRIER AIR MOVES
INTO THE REGION BY MONDAY WITH CONTINUED COOL TEMPERATURES. UPPER
LEVEL RIDGING OVER THE GULF OF ALASKA WILL CONTINUE TO PROMOTE A
DEEP UPPER LEVEL TROUGH OVER THE PACIFIC NORTHWEST THROUGH THE
EXTENDED WITH CONTINUED BELOW NORMAL TEMPERATURES.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
OR...NONE.

&&

$$

WEATHER.GOV/BOISE

DISCUSSION...AB
AVIATION.....DG
PREV SHORT TERM...LC
PREV LONG TERM....KA/JC



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.