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 222054
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
254 PM MDT TUE JUL 22 2014

.SHORT TERM...TONIGHT THROUGH THURSDAY...SCATTERED SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER EASTERN OREGON LATE THIS AFTERNOON
AND MOVE INTO EXTREME WESTERN IDAHO EARLY THIS EVENING. THESE
THUNDERSTORMS WILL MOVE TOWARD THE NNE AT AROUND 40 MPH AND
PRODUCE GUSTY SURFACE WINDS...SMALL HAIL AND BRIEF HEAVY RAIN. A
VORT MAX SEEN IN SATELLITE WATER VAPOR IMAGERY OVER CENTRAL
CALIFORNIA WITH MOVE NNE INTO EASTERN OREGON LATE THIS EVENING.
THIS WILL PROVIDE SOME DYNAMIC SUPPORT TO KEEP THUNDERSTORM
ACTIVITY GOING FOR A WHILE AFTER SUNSET IN EASTERN OREGON AND IN
WESTERN IDAHO NEAR THE OREGON BORDER. DRIER AIR WILL MOVE INTO THE
FORECAST AREA TOMORROW...BUT THERE SHOULD STILL BE ENOUGH
MOISTURE AND INSTABILITY FOR A CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS IN THE NORTHERN PORTION OF THE FORECAST AREA NEAR
BAKER CITY IN OREGON AND NEAR MCCALL IN IDAHO...OTHERWISE DRY. A
DRY COLD FRONT WILL MOVE THROUGH THE AREA ON THURSDAY AND BRING
MUCH COOLER AIR INTO SOUTHEASTERN OREGON AND SOUTHWESTERN IDAHO.
EXPECT DRY BREEZY WEATHER ON THURSDAY WITH TEMPERATURES 10 DEGREES
BELOW NORMAL.

.LONG TERM...THURSDAY NIGHT THROUGH TUESDAY...WESTERLY FLOW STILL
ON TRACK TO SET UP OVER THE REGION THURSDAY NIGHT FOR DRY
CONDITIONS.  HIGH TEMPERATURES ON FRIDAY WILL BE AROUND 5 DEGREES
BELOW NORMAL AND THEN WARM A FEW DEGREES EACH DAY THROUGH THE
WEEKEND AND INTO EARLY NEXT WEEK WITH HIGH TEMPERATURES 7 TO 10
DEGREES ABOVE NORMAL.  RIDGE OF HIGH PRESSURE WILL BEGIN TO BUILD
NORTH OVER THE FORECAST AREA SUNDAY AND INTO EARLY NEXT WEEK.
MONDAY AFTERNOON INTO TUESDAY LATEST MODELS SHOW SOME MOISTURE
MOVING NORTH UNDER THE RIDGE FOR SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.

&&

.AVIATION...SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING OVER THE
REGION THIS EVENING AND WILL LINGER OVER THE FORECAST AREA THROUGH
THE NIGHT.  LOCAL MVFR CONDITIONS IN HEAVY SHOWERS.  SURFACE WINDS
10 KNOTS OR LESS...EXCEPT GUSTS TO 40 KNOTS NEAR THUNDERSTORMS.
WINDS ALOFT WILL BE SOUTHWESTERLY 15 TO 20 KNOTS UP THROUGH 10K FEET
MSL.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...RED FLAG WARNING UNTIL MIDNIGHT MDT TONIGHT IDZ400-401-420-423.
OR...RED FLAG WARNING UNTIL MIDNIGHT MDT /11 PM PDT/ TONIGHT
     ORZ636-637-646.

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...JB
LONG TERM....JA/AB
AVIATION.....JA



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