Area Forecast Discussion
Issued by NWS Boise, ID

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FXUS65 KBOI 130920
AFDBOI

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
320 AM MDT SUN JUL 13 2014

.DISCUSSION...PACIFIC SHORT WAVE TROUGH WILL COME INLAND ACROSS
NRN OREGON AND SRN WA TODAY...CLOSE ENOUGH FOR THUNDERSTORMS
IN HARNEY AND BAKER COUNTIES THIS AFTERNOON AND NRN-MOST
IDAHO ZONES TONIGHT.  CAPE AND LI LOOK WEAK IN THESE AREAS
BUT SHEAR WILL BE QUITE LARGE.  THEREFORE THUNDERSTORMS THAT
DO FORM MAY LAST A WHILE AND PRODUCE GUSTY WINDS DUE TO LOW-
LEVEL DRYNESS.  THUNDERSTORMS WILL ALSO BE POSSIBLE IN SRN
TWIN FALLS COUNTY MONDAY AFTERNOON WHERE MONSOON MOISTURE HAS
BECOME TRAPPED UNDER UPPER HIGH IN NEVADA.  TODAY AND MONDAY
WILL BE VERY HOT...BUT SLIGHTLY COOLR IN WRN-MOST OREGON ZONES
MONDAY.  TONIGHT WILL BE WARM DUE TO CLOUDS FROM CONVECTIVE
DEBRIS.

.LONG TERM...MONDAY NIGHT THROUGH SUNDAY...NORTHWESTERLY FLOW WILL
REMAIN OVER THE REGION THROUGH THE EXTENDED PERIOD. THE REGION WILL
REMAIN BETWEEN AN UPPER LEVEL RIDGE OVER THE GULF OF ALASKA AND A
LARGE UPPER LEVEL TROUGH OVER THE EASTERN U.S.. TEMPERATURES WILL
REMAIN 3 TO 5 DEGREES ABOVE NORMAL WEDNESDAY AND THURSDAY AHEAD
OF A TROUGH EMBEDDED IN THE UPPER LEVEL FLOW.  TROUGH PASSAGE ON
FRIDAY WILL LOWER TEMPERATURES BACK TO NORMAL FRIDAY THROUGH
SUNDAY. THE AREA LOOKS TO REMAIN DRY WITH MONSOONAL MOISTURE
REMAINING SOUTH OF THE AREA. THERE COULD BE ENOUGH MOISTURE WITH THE
PACIFIC TROUGH FOR THUNDERSTORMS IN THE WEST CENTRAL MOUNTAINS
FRIDAY AND SATURDAY.

&&

.AVIATION...VFR. MOSTLY CLEAR SKIES TODAY. CLOUDS INCREASING THIS
EVENING ACROSS SE OREGON AHEAD OF A WEAK TROUGH. EXPECT ISOLATED
THUNDERSTORMS AROUND KBNO AND KBKE AFTER 03Z. ISOLATED SHOWERS AND
THUNDERSTORMS WILL SHIFT NORTHEAST INTO THE WEST CENTRAL MOUNTAINS
AFTER 06Z MONDAY. NORTHERLY SURFACE WINDS 10-15 KTS TODAY. WINDS
ALOFT WILL BE WESTERLY AROUND 10 KNOTS UP THROUGH 10K FEET MSL.

&&

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

&&

$$

WEATHER.GOV/BOISE

SHORT TERM...LC
LONG TERM....JDS
AVIATION.....JDS


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