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000 FXUS65 KLKN 202300 AFDLKN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ELKO NV 400 PM PDT SAT SEP 20 2008 .SYNOPSIS...A COLD FRONT WILL MOVE EAST OF THE AREA TONIGHT...TAKING LINGERING SHOWERS WITH IT. SUNDAY AND MONDAY WILL BE ON THE COOL SIDE. HIGH PRESSURE WILL BUILD BACK DURING THE WEEK...BRINGING WARMER TEMPERATURES TUESDAY THROUGH FRIDAY. && .SHORT TERM...TONIGHT THROUGH MONDAY. COLD FRONT AND ASSOCIATED TROF WILL LIFT NORTHEAST INTO IDAHO AND UTAH TONIGHT. A FEW LIGHT SHOWERS MAY LINGER EXTREME NORTHERN ELKO COUNTY TIL SUNSET. A STROKE OR TWO OF LIGHTNING CAN NOT BE RULED OUT. TRAILING SPOKE OF ENERGY WILL ROTATING THRU SUNDAY NIGHT...BRINGING AN ISOLATED SHOWER OR TWO EXTREME NORTH. A ZONAL FLOW WILL SET UP MONDAY AS HIGH PRESSURE BUILDS IN SOUTH. SUNDAY NIGHT WILL SEE A FEW VALLEY TEMPERATURES BELOW FREEZING. REA .LONG TERM...MONDAY NIGHT THROUGH SATURDAY. A RIDGE WILL BUILD OVER SOUTHERN ARIZONA...CALIFORNIA...AND NEW MEXICO BY MONDAY NIGHT WITH ZONAL FLOW OVER NORTHERN NEVADA. THIS PATTERN WILL LAST THROUGH THE END OF THE WEEK. WHAT THIS MEANS FOR THE CWA IS A DRY AIRMASS IN PLACE WITH DECENT FLOW ALOFT...WHICH WILL HINDER RADIATIONAL COOLING AND KEEP LOW TEMPERATURES ABOVE NORMAL FOR THE WEEK. ANY WEAKENING IN THE FLOW WILL ALLOW RADIATIONAL COOLING TO BE MORE EFFECTIVE AND COULD COOL SLIGHTLY MORE THEN FORECAST...ANY STRONGER FLOW WILL KEEP TEMPS A LITTLE WARMER. HAVE OPTED TO GO IN BETWEEN. WITH MOSTLY CLEAR SKIES ALL WEEK...ONLY ESTIMATING UP TO 10 PERCENT CLOUD COVERAGE...ACROSS THE REGION...HAVE REDUCED MOST POPS TO ZERO. ALL IN ALL IT SHOULD BE FAIRLY QUIET WEATHER WISE THROUGH THE WEEKEND. && .AVIATION...CONDITIONS ARE EXPECTED TO CONTINUE TO IMPROVE THIS WEEKEND AS A LOW PRESSURE SYSTEM EXITS THE AREA. MOSTLY VFR CONDITIONS ARE EXPECTED. HOWEVER THERE MAYBE SOME ISOLATED THUNDERSTORMS THAT DEVELOP IN THE NORTHEASTERN PORTION OF ELKO COUNTY THAT MAY REDUCE CEILINGS AND/OR VISIBILITIES TO BELOW VFR CONDITIONS. ALSO...PILOTS IN THESE AREAS SHOULD BE AWARE OF ANY OUTFLOW BOUNDARIES THAT MAY OCCUR DUE TO THESE STORMS. AS THE LOW MOVES OUT...SOME GUSTY CONDITIONS MAY STILL BE POSSIBLE THIS AFTERNOON AND LIGHT AIRCRAFT SHOULD TAKE PRECAUTIONS AND ENSURE ANY CROSSWINDS DO NOT EXCEED MAX RECOMMENDATIONS FOR THEIR AIRCRAFT.&& .FIRE WEATHER...A COLD FRONT WILL MOVE EAST OF THE AREA TONIGHT... TAKING LINGERING SHOWERS WITH IT. A FEW LIGHT SHOWERS MAY LINGER EXTREME NORTHERN ELKO COUNTY TIL SUNSET. A STROKE OR TWO OF LIGHTNING CAN NOT BE RULED OUT. TEMPERATURES WILL COOL SUNDAY AND MONDAY. A WEAK DISTURBANCE WILL MOVE THROUGH NEVADA SUNDAY NIGHT...BRINGING ISOLATED SHOWERS EXTREME NORTH. HIGH PRESSURE WILL BUILD IN ON MONDAY AND TUESDAY...WITH A RETURN OF WARM TEMPERATURES FOR THE PERIOD WEDNESDAY THROUGH FRIDAY. WINDS WILL GENERALLY BE ON THE BREEZY SIDE...OUT OF THE WEST...FOR THE NEXT SEVERAL DAYS. OVERNIGHT RECOVERIES WILL BE GOOD THROUGH TUESDAY MORNING...AND MODERATE WEDNESDAY THROUGH FRIDAY. REA && .LKN WATCHES/WARNINGS/ADVISORIES...NONE. $$