Area Forecast Discussion
Issued by NWS Jackson, KY

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000 FXUS63 KJKL 042018 AFDJKL AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSON KY 318 PM EST WED MAR 4 2015 .SHORT TERM...
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(THIS EVENING THROUGH THURSDAY) ISSUED AT 252 PM EST WED MAR 4 2015 SURFACE COLD FRONT HAS NOW SLIPPED INTO SOUTHEAST KENTUCKY AS EVIDENCE BY WINDS GOING NORTH/NORTHWEST AND TEMPERATURES FALLING ACROSS THE AREA. WIDESPREAD LIGHT TO MODERATE PRECIPITATION CONTINUES TO SPREAD ACROSS THE AREA. AS OF NOW...MOST OF THIS IS RAIN. HOWEVER...JUST RECEIVED A REPORT OF SOME SLEET JUST NORTH IN LEWIS COUNTY. THIS SEEMS TO BE MATCHING UP WELL WITH REPORTS OF SLEET OCCURRING FIRST WITH THE INITIAL TRANSITION. GOING TO GO WITH A MORE LIBERAL AREA OF SLEET/RAIN THIS EVENING AS WE COULD SEE A LARGE RANGE IN TEMPERATURES SUPPORTING SLEET. FREEZING RAIN LOOKS TO BE A SHORT DURATION IF IT OCCURS AS TEMPERATURES DROP BELOW 32 TONIGHT. HOWEVER...AS THIS HAPPENS WE SHOULD THEN SEE A QUICK TRANSITION TO SNOW. THIS IS BASICALLY HOW THINGS HAVE BEEN DEVELOPING UPSTREAM TODAY. BASED ON THE CHANGEOVER TIMES AND QPF...IT LOOKS LIKE SNOW AND ICE FORECAST ARE IN PRETTY GOOD SHAPE WITH NO SIGNIFICANT CHANGES PLANNED AT THIS TIME. THUS...NO CHANGES EXPECTED WITH HEADLINES AND WILL LET EVERYTHING RIDE AS IS FOR NOW. NEED FOR FLOOD WATCH MAY BE DIMINISHED BY LATER ON TONIGHT AS EVERYTHING TRANSITIONS OVER TO FROZEN PRECIPITATION. SNOW WILL CONTINUE WELL INTO THURSDAY...BUT WILL COME TO AN END FROM LATE MORNING INTO THE AFTERNOON. TEMPERATURES WILL FALL THROUGH THE MORNING AND INTO THE AFTERNOON AS COLD ADVECTION CONTINUES BEHIND THE FRONT. THIS COULD LEAD TO AN EARLY DAY HIGH. HOWEVER...SOME SUNSHINE MAY PEAK THROUGH BY MID AFTERNOON...PROVIDING A BRIEF JUMP UPWARDS WITH TEMPERATURES. .LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY) ISSUED AT 320 PM EST WED MAR 4 2015 HIGH PRESSURE WILL BUILD INTO THE REGION AS THE STORM SYSTEM AND ANY LINGERING PRECIP DEPARTS. IN FACT... HIGH PRESSURE WILL BE THE DOMINANT FEATURE THROUGH THE EXTENDED PERIOD. BUT THE MAIN CONCERN WILL BE THE TEMPS FRIDAY MORNING...WHICH ARE EXPECTED TO PLUNGE TO NEAR 0 DEGREES. WITH FRESH SNOWPACK ON THE GROUND IN THE NORTHERN COUNTIES...TEMPS COULD REACH 5 BELOW ZERO IN THESE LOCATIONS. HIGHS ON FRIDAY SHOULD REACH THE UPPER 20S AND LOW 30S. THE VALLEYS WILL HAVE ANOTHER COLD MORNING ON SAT AS SFC HIGH PRESSURE REMAINS OVERHEAD....WITH A RIDGE/VALLEY SPLIT EXPECTED. SOME SINGLE DIGITS INTO THE LOWER TEENS WOULD AGAIN BE POSSIBLE. THEN...TEMPERATURES START MODERATING BACK TOWARDS SEASONABLE LEVELS. TEMPS WILL STILL BE A BIT BELOW NORMAL FOR THE REMAINDER OF THE WEEKEND BUT LOOKS LIKE THEY WILL HIT THE 50S BY MONDAY...AND EVEN POSSIBLY 60 BY THE MIDDLE OF NEXT WEEK. SOME LIGHT PRECIPITATION WILL BE POSSIBLE NEXT WEEK... LATE SUNDAY INTO MONDAY AND AGAIN TUESDAY INTO WEDNESDAY. BUT WITH SIGNIFICANT MODEL DIFFERENCES ASSOCIATED WITH THE LATTER PART OF THE FORECAST HAVE MAINTAINED SLIGHT/CHANCE POPS DURING THOSE PERIODS.
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&& .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z THURSDAY AFTERNOON) ISSUED AT 107 PM EST WED MAR 4 2015 LOW VISIBILITIES AND LOW CEILINGS WILL CONTINUE ACROSS EASTERN KENTUCKY AS A COLD FRONT SLIPS SOUTHWARD THROUGH TONIGHT. A MIX OF MVFR/IFR CIGS AND VISIBILITIES WILL CONTINUE WITH CONDITIONS BECOMING LIFR AT TIMES. RAIN TODAY WILL ALSO TRANSITION OVER TO SLEET AND SNOW THROUGH THIS EVENING AND TONIGHT WITH VISIBILITIES WITHIN THE SNOW BEING SHARPLY REDUCED. THIS SNOW WILL CONTINUE THROUGH THURSDAY MORNING BEFORE TAPERING OFF IN THE AFTERNOON. && .JKL WATCHES/WARNINGS/ADVISORIES... FLOOD WATCH THROUGH THURSDAY EVENING FOR KYZ044-050>052-058>060- 068-069-079-080-083>088-104-106>120. WINTER STORM WARNING UNTIL 1 PM EST THURSDAY FOR KYZ044-050>052. WINTER STORM WARNING UNTIL 1 PM EST THURSDAY FOR KYZ058>060-104- 106-108-111. WINTER STORM WARNING FROM 7 PM THIS EVENING TO 1 PM EST THURSDAY FOR KYZ068-069-079-080-083>086-107-109-110-112>117-119-120. WINTER STORM WARNING FROM 10 PM THIS EVENING TO 1 PM EST THURSDAY FOR KYZ087-088-118. && $$ SHORT TERM...KAS LONG TERM...JVM AVIATION...KAS

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