889 
FXUS65 KPIH 142106
AFDPIH
 
SOUTHEAST IDAHO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
205 PM MST TUE MAR 14 2000

WAVE CLOUDS OVER SOUTHERN HIGHLANDS EVIDENCE OF STRONG WEST WINDS
IN THE MID-LEVELS. MESONET DATA SHOWS W-SW SUSTAINED WINDS 20-30MPH
WITH GUSTS NEAR 40. HIGHEST WINDS WERE ALONG THE SOUTHERN
FOOTHILLS. WINDS SHOULD DIMINISH LATE THIS EVENING. NOT MANY ECHOES
THIS AFTERNOON...JUST SOME SHOWERS NORTH OF SODA SPRINGS TO IPR.
ALSO SOME ISOLATED SHOWERS DEVELOPING N-CNTRL MTNS/VLYS DUE TO
PRESENCE OF 500MB COLD POOL ALOFT AND DAYTIME HEATING. NEXT S/WV
APPROACHING WA COAST HANDLED BEST BY THE AVN. OTHER MODELS
INITIALIZED TOO FAR SOUTH. S/WV TO DROP SE AND ACROSS CWA LATE
TON-WED MORN. FAIRLY STRONG DYNAMICS WITH THE SYSTEM...BUT ITS
ARRIVAL WITHIN A NW FLOW ALF NOT FAVORABLE PRECIP MAKER FOR MOST OF
OUR CWA (EXCEPT FAR NRN ZONES). WILL THUS MENTION LIKELY POPS ZONE
19 THRU WED MORN...WITH SOME LIGHT ACCUMULATIONS. WILL PUT CHANCE
POPS IN ERN ZONES IN THE AFT DUE TO PRESENCE OF COLD POOL ALF
(TEMPS <-26C). MUCH COLDER TEMPS OVERNIGHT TONIGHT CNTRL MTN
ZONES...AND COLDEST TEMPS WED NIGHT ERN ZONES. HIGH AMPLITUDE RIDGE
OVER THE AREA WED NIGHT FOR MOSTLY CLEAR SKIES. MOS/AVN TEMPS SHOW
8-10 DEGREES OF WARMING MOST LOCATIONS ON THUR COMPARED TO WED.
THIS ACCEPTED AS STRONG THERMAL RIDGE PUSHES IN AHEAD OF NEXT
TROUGH. INCREASING CLOUDS OVER CWA THUR AND WILL INTRODUCE CHANCE
VLY RAIN/MTN SNOW WRN ZONES.

IN THE 3-TO-5 DAY...MRF CONSISTENT WITH PREVIOUS RUN AND SHOWS
PROGRESSION OF FIRST TROF/FROPA FRI...FOLLOWED BY RIDGE ON SAT.
NEXT TROF TO ARRIVE ON SUN. WAW

BYI 32/52 31/62 0002

.KSFX 88D...OPERATIONAL...VCP 21.

.PIH...NONE

PIH BB 030/049 026/058 036 13110
IDA BB 027/047 024/053 033 13220