Area Forecast Discussion
Issued by NWS Billings, MT

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946
FXUS65 KBYZ 072154
AFDBYZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
254 PM MST SUN FEB 7 2016

.SHORT TERM...VALID FOR MON AND TUE...

THE STORM SYSTEM THAT BROUGHT THE HIGH WINDS ACROSS THE FORECAST
AREA YESTERDAY CONTINUES TO SHIFT WELL EAST OF THE AREA. THERE
STILL REMAINS SOME FAIRLY TIGHT PRESSURE GRADIENTS ACROSS OUR
EASTERN ZONES BUT THESE HAVE BEEN SLACKENING THIS AFTERNOON. WINDS
HAVE REMAINED BELOW WARNING LEVELS TODAY ACROSS NORTHERN
ROSEBUD...CUSTER AND POWDER RIVER COUNTIES. THESE WINDS WILL
CONTINUE TO SLOWLY DECREASE THIS AFTERNOON AND ESPECIALLY AFTER
SUNSET. AS A RESULT...WE WILL CANCEL THE HIGH WIND WARNING FOR
ROSEBUD...CUSTER AND POWDER RIVER COUNTIES WITH THIS FORECAST
ISSUANCE. WINDS CONTINUE TO GUST IN THE LOWER 50 MPH RANGE ACROSS
FALLON AND CARTER COUNTIES AND THESE AREAS WILL REMAIN IN THE HIGH
WIND WARNING THROUGH 8 PM. ELSEWHERE...SKIES WILL BE MOSTLY CLEAR
THROUGH THE EVENING WITH INCREASING HIGH LEVEL CLOUDS LATE.

FOR MONDAY AND TUESDAY...QUIET WEATHER WILL BE IN STORE AS HIGH
PRESSURE RIDGING BUILDS ACROSS THE NORTHERN ROCKIES. SOME MID AND
HIGH LEVEL CLOUDS WILL MOVE ACROSS THE FORECAST AREA BUT WE SHOULD
SEE PERIODS OF SUN AT TIMES. MODELS DON`T SHOW ANY LEE- SIDE
TROUGH DEVELOPING SO WE ARE NOT EXPECTING ANY WIND ISSUES BUT IT
STILL MAY BE BREEZY THROUGH THE UPPER YELLOWSTONE AND STILLWATER
VALLEYS. TEMPERATURES WILL BE WELL ABOVE NORMAL WITH LOWER 40S
EAST TO AROUND 50 DEGREES ELSEWHERE MONDAY WITH 50S WIDESPREAD ON
TUESDAY. HOOLEY

.LONG TERM...VALID FOR WED...THU...FRI...SAT...SUN...

GOOD AGREEMENT ON THE GLOBAL GUIDANCE THAT AN UPPER LEVEL RIDGE
WILL BE WELL ESTABLISHED AT THE BEGINNING OF THE WEEK. VERY WARM
TEMPERATURES FOR THIS TIME OF YEAR...APPROACHING 20 DEGREES ABOVE
NORMAL AND NEARING 60...WILL BE THE HIGHLIGHT FOR WEDNESDAY AND
THURSDAY. WARM TEMPERATURES AND AN ANOMALOUSLY FAST NORTHWEST
FLOW SHOULD ALLOW FOR A COUPLE OF BREEZY DAYS WEDNESDAY THROUGH
FRIDAY AFTERNOONS. WIND GUSTS AROUND 30 TO 35MPH CAN BE EXPECTED
EACH AFTERNOON...AND MOSTLY IN LOCATIONS WEST OF BILLINGS AND
ROUNDUP. STRONGER WIND GUSTS AROUND 40 TO 50 MPH ARE POSSIBLE IN
OUR FAVORED GAP AREAS OF LIVINGSTON AND NYE WEDNESDAY AND THURSDAY
MORNINGS. TOWARDS THE BEGINNING OF THE WEEKEND THERE IS GOOD
AGREEMENT IN THE GLOBAL GUIDANCE THAT THE RIDGE WILL SLOWLY ERODE
AS SEVERAL SHORTWAVES CRASH INTO IT. THIS SHOULD COOL TEMPERATURES
SLIGHTLY AND BRING A SLIGHT CHANCES FOR PRECIPITATION. STILL
EXPECT WARM AND ABOVE AVERAGE TEMPERATURES THROUGH NEXT WEEKEND
HOWEVER. DOBBS

&&

.AVIATION...

VFR CONDITIONS WILL PREVAIL THROUGH THE TAF. GUSTY WINDS WILL
INCREASE IN STRENGTH AT KLVM THIS EVENING WHILE DECREASING AROUND
SUNSET IN KBIL AND KMLS. EXPECT GUSTS TO GO FROM 25 TO 30 KNOTS
CURRENTLY AT KLVM TO 30 OR 40 KNOTS BY DAYBREAK MONDAY. DOBBS

&&

.PRELIMINARY POINT TEMP/POPS...

    MON     TUE     WED     THU     FRI     SAT     SUN
-----------------------------------------------------------
BIL 025/050 034/056 035/061 038/057 036/056 037/058 034/052
    00/N    00/U    00/N    00/N    10/B    11/B    22/W
LVM 028/050 034/055 035/053 034/051 034/051 035/050 033/046
    00/N    00/N    00/N    01/N    11/N    11/N    21/N
HDN 022/050 028/056 029/059 031/055 029/053 029/055 028/051
    00/B    00/U    00/U    00/U    11/U    11/B    22/W
MLS 020/044 029/050 028/054 031/050 030/048 030/051 030/049
    00/B    01/B    10/U    01/B    11/B    11/B    21/N
4BQ 021/044 030/053 029/056 030/052 029/051 029/052 030/048
    00/B    11/B    10/U    00/B    11/B    01/U    22/W
BHK 018/040 026/044 024/050 027/045 028/043 026/044 026/045
    00/B    22/W    20/U    01/B    21/B    11/B    21/N
SHR 017/045 028/050 024/057 028/052 028/052 027/053 027/047
    00/B    00/U    00/U    00/U    10/U    10/U    22/W

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MST THIS EVENING FOR
      ZONES 33-37.
WY...NONE.

&&

$$
WEATHER.GOV/BILLINGS



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