National Weather Service Text Product
AFOS product AFDTFX
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: AFDTFX
Product Timestamp: 2012-08-01 21:16 UTC
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159 FXUS65 KTFX 012116 AFDTFX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREAT FALLS MT 316 PM MDT WED AUG 1 2012 .DISCUSSION... TONIGHT THROUGH FRIDAY...GENERALLY DRY CONDITIONS EXPECTED OVERNIGHT THOUGH AN ISOLATED THUNDERSTORM CANNOT BE RULED OUT FOR EASTERN PORTIONS OF THE COUNTY WARNING AREA. A PATTERN CHANGE IS STILL ON TAP FOR THURSDAY AS AN UPPER TROF SWINGS ACROSS THE AREA DRAGGING A COLD FRONT WITH IT. THE FRONT SHOULD MOVE THROUGH THE CUT BANK AREA EARLY THURSDAY AFTERNOON AND THEN CONTINUE TO PUSH SOUTH AND EAST. WINDS WILL BECOME GUSTY AHEAD OF THE FRONT DURING THE AFTERNOON THURSDAY AND THE AIRMASS WILL BE DRY. A RED FLAG WARNING HAS BEEN ISSUED FOR THESE CONDITIONS. WINDS WILL SHIFT TO THE NORTH BEHIND THE FRONT THURSDAY NIGHT AND WILL REMAIN GUSTY. SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG THE FRONT WITH THE BULK OF THE PRECIPITATION FALLING AFTER MIDNIGHT THURSDAY. FRIDAY WILL BE COOL AND SHOWERY DURING THE MORNING WITH PRECIPITATION ENDING FROM THE WEST DURING THE AFTERNOON AND CONDITIONS IMPROVING FROM WEST TO EAST. TEMPERATURES WILL BE NEAR SEASONAL AVERAGES ON THURSDAY WILL COOL SOME 10 TO 15 DEGREES BELOW SEASONAL AVERAGES FRIDAY. EMANUEL FRIDAY NIGHT THROUGH WEDNESDAY...UPPER LEVEL LOW TRACKS EAST ALONG US U.S. CANADIAN BORDER FRIDAY NIGHT LEAVING THE FORECAST AREA IN A CYCLONIC NW FLOW ALOFT. RIDGING REBUILDS QUICKLY BEHIND THE LOW OVER THE WEEKEND FOR WARM AND DRY CONDITIONS WITH TEMPERATURES AGAIN REACHING WELL ABOVE AVERAGE LEVELS BY SUNDAY. LATE SUNDAY AFTERNOON AND SUNDAY NIGHT THE COMBINATION OF WEEK ENERGY MOVING IN FROM THE SW AND AN UPPER LEVEL WAVE MOVING EAST ACROSS WESTERN CANADA COULD BRING SOME WIDELY SCATTERED SHOWERS AND THUNDERSTORMS TO THE REGION. MODELS DIVERGE SIGNIFICANTLY NEXT WEEK LEADING TO DECREASING FORECAST CONFIDENCE IN THE MONDAY THROUGH WEDNESDAY PERIOD. HAVE KEPT POPS NEAR CLIMATOLOGICAL AVERAGES WITH TEMPS NEAR TO SLIGHTLY ABOVE AVERAGE FOR THIS PERIOD. HOENISCH && .AVIATION... UPDATED 1730Z. VFR CONDITIONS ARE EXPECTED TROUGH THE TAF PERIOD. THE AREA WILL REMAIN BETWEEN A TROUGH OF LOW PRESSURE OVER BRITISH COLUMBIA AND A BROAD RIDGE OF HIGH PRESSURE OVER THE SOUTHWEST AND CENTRAL UNITED STATES...RESULTING IN A DRY WESTERLY FLOW ALOFT TODAY AND TONIGHT. SKIES WILL BE CLEAR TO PARTLY CLOUDY WITH MAINLY LIGHT WINDS. LANGLIEB && .PRELIMINARY POINT TEMPS/POPS... GTF 56 84 50 73 / 10 10 60 30 CTB 53 76 46 71 / 10 20 70 30 HLN 55 86 57 76 / 10 10 20 30 BZN 47 88 50 76 / 10 10 10 20 WEY 35 78 37 70 / 10 10 10 10 DLN 48 84 49 76 / 10 10 10 10 HVR 55 85 52 71 / 10 10 60 50 LWT 51 83 50 67 / 10 10 50 70 && .TFX WATCHES/WARNINGS/ADVISORIES... RED FLAG WARNING FROM NOON THURSDAY TO MIDNIGHT MDT THURSDAY NIGHT BLAINE...BROADWATER...CASCADE...CENTRAL AND SOUTHERN LEWIS AND CLARK...CHOUTEAU...EASTERN TETON...FERGUS...GALLATIN... HILL...JEFFERSON...JUDITH BASIN...MEAGHER...NORTHERN ROCKY MOUNTAIN FRONT...SOUTHERN ROCKY MOUNTAIN FRONT. && $$ SHORT TERM...EMANUEL LONG TERM...HOENISCH AVIATION...LANGLIEB WEATHER.GOV/GREATFALLS