Area Forecast Discussion
Issued by NWS Billings, MT

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000
FXUS65 KBYZ 290916
AFDBYZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
316 AM MDT WED JUL 29 2015

.SHORT TERM...VALID FOR TDY AND THU...

QUIET AND TYPICAL SUMMERTIME WEATHER WILL BE IN STORE ACROSS OUR
FORECAST AREA FOR THE REMAINDER OF THE WEEK. THE LARGE UPPER LOW
THAT BROUGHT THE UNSEASONABLY WINDY AND COOL CONDITIONS ON TUESDAY
CONTINUES TO SLOWLY MOVE EAST ACROSS SOUTHERN CANADA. THIS WILL
RESULT IN A MUCH LESS PRESSURE GRADIENT AND LESS WIND ACROSS THE
AREA. A DRY NORTHWEST FLOW ALOFT WILL BE OVER THE FORECAST AREA
FOR THE NEXT COUPLE OF DAYS. UPPER LEVEL RIDGING WILL SLOWLY BUILD
OVER THE NORTHERN ROCKIES INTO FRIDAY RESULTING IN RISING HEIGHTS.
THIS WILL ALLOW TEMPERATURES TO WARM BACK INTO THE 80S TODAY AND
AT OR SLIGHTLY ABOVE NORMAL THURSDAY WITH READINGS IN THE UPPER
80S TO LOWER 90S. HOOLEY

.LONG TERM...VALID FOR FRI...SAT...SUN...MON...TUE...

RIDGE WILL BRING SUMMER TIME HEAT FRIDAY THROUGH SUNDAY BUT THE
AMPLITUDE OF THE RIDGE IS LIMITED BY A CONSIDERABLE AMOUNT OF
ENERGY PASSING THROUGH THE NORTHERN BRANCH OVER CANADA. THIS
MEANS THE FLOW ALOFT OVER THE REGION WILL BE STRONG ENOUGH TO
GENERATE SOME WEAK LEESIDE TROUGHING WHICH WILL AID MIXING AS THE
HEAT ARRIVES. THIS WILL SUPPORT MAXIMUM TEMPERATURES 5 TO 10
DEGREES ABOVE NORMAL.

AFTER THE HEAT SURGE LIMITED MONSOONAL MOISTURE REACHES THE
REGION. STILL A SUMMERTIME PATTERN BUT CHANCES FOR ISOLATED
THUNDERSTORMS AND PERIODIC CLOUD COVER ASSOCIATED WITH THE STORMS
WILL YIELD SLIGHTLY COOLER TEMPERATURES BUT STILL NEAR SEASONAL
NORMALS. BORSUM

&&

.AVIATION...

MOSTLY CLEAR SKIES THROUGH THE PERIOD. WINDS WILL BE GENERALLY
LIGHT BUT WILL BECOME GUSTY OVER SOUTHEAST MONTANA AS DIURNAL
HEATING ALLOWS BETTER MIXING DOWN OF MOMENTUM ALOFT. BORSUM

&&

.PRELIMINARY POINT TEMP/POPS...

    TDY THU     FRI     SAT     SUN     MON     TUE
-------------------------------------------------------
BIL 084 056/090 060/094 060/096 063/094 061/092 062/089
    0/U 00/U    00/U    00/U    01/B    11/B    11/B
LVM 083 046/088 049/091 054/092 056/090 056/090 055/087
    0/U 00/U    00/U    01/U    11/B    12/T    22/T
HDN 085 055/091 058/096 058/097 061/095 060/094 060/090
    0/U 00/U    00/U    00/U    01/B    11/B    12/T
MLS 085 056/091 058/095 061/097 063/096 063/093 062/090
    0/U 00/U    00/U    00/U    00/U    11/B    22/T
4BQ 084 054/091 057/094 060/096 062/096 061/093 061/090
    0/U 00/U    00/U    00/U    00/U    11/B    22/T
BHK 082 053/090 054/091 059/094 059/093 059/089 059/085
    0/U 00/U    00/U    00/U    01/U    12/T    22/T
SHR 083 050/089 052/092 055/094 057/094 057/092 056/088
    0/U 00/U    00/U    00/U    11/B    11/B    22/T

&&

.BYZ WATCHES/WARNINGS/ADVISORIES...
MT...NONE.
WY...NONE.

&&

$$
WEATHER.GOV/BILLINGS



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