Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Remove Highlighting --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS64 KMRX 191915 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 315 PM EDT SAT APR 19 2014 .SHORT TERM (TONIGHT AND SUNDAY)... ACCORDING TO PROJECTIONS BY OUR LOCAL WRF MODEL AND THE HRRR...LIGHT PRECIP OVER OUR SE COUNTIES WILL GRADUALLY TAPER OFF THROUGH 00Z. WILL KEEP A CHANCE POP SOUTHEAST IN UNTIL MIDNIGHT TO ACCOUNT FOR THE POTENTIAL FOR A SLOWER EXIT. THE CLOSED UPPER LOW TRACKS EAST TONIGHT...AND CLOUDS SHOULD BE ON THE DECREASE AS WELL. MOST SPOTS WILL SEE LOW IN THE 40S...AND SKIES SHOULD BE CLEAR BY SUNRISE. SUNDAY WILL BE MILD AND SUNNY WITH A HIGH PRESSURE RIDGE OVERHEAD. .LONG TERM (SUNDAY NIGHT THROUGH SATURDAY)... MODELS SLOWING EARLY WEEK SYSTEM NOW STILL MORE. RIDGING ALOFT OUT AHEAD OF THE SYSTEM WILL KEEP HIGH PRESSURE WITH WARM AIR MASS IN PLACE THROUGH MOST OF MONDAY. REMOVED POPS MONDAY. TEMPERATURES 40S TO LOWER 50S SUNDAY NIGHT WITH MOSTLY CLEAR SKIES. MONDAY HIGH LEVEL CLOUDINESS INCREASES BUT LOW LEVEL MOISTURE DOES NOT RETURN UNTIL MONDAY NIGHT. LEAD SHORTWAVE MONDAY NIGHT PRODUCES A FEW SHOWERS BUT MUCH OF THE PRECIPITATION HOLDS OFF UNTIL TUESDAY. WEAK FRONT PASSES THROUGH THEN BY TUESDAY AFTERNOON. DRYING MOVES IN QUICKLY TUESDAY NIGHT. THEN HIGH PRESSURE WILL MOVE DOWN FROM THE UPPER MIDWEST AND MS VALLEY AND RESIDE OVER THE TN VALLEY THROUGH THURSDAY FOR A COUPLE MOSTLY SUNNY WARM DAYS AND COOL NIGHTS. UPPER LEVEL RIDGING SHIFTS EAST THURSDAY NIGHT AS NEXT FRONTAL SYSTEM MOVES INTO MS AND TN VALLEYS. MAIN SURFACE LOW STAYS NORTH ALONG CANADIAN BORDER FRIDAY. MODELS BRING FAST MOVING FRONT THROUGH FRIDAY. KEPT POPS FRIDAY NIGHT AS WOUND UP UPPER LOW TRACKS SOUTHEAST THROUGH OH VALLEY. WRAP AROUND SHOWERS AND STORMS COULD AFFECT AREA OVERNIGHT. NE AREAS COULD GET A FEW MORE SHOWERS SATURDAY MORNING. INSTABILITY NOT THAT GREAT MONDAY NIGHT AND TUESDAY BUT KEPT MENTION OF THUNDER IN. THUNDERSTORMS A BETTER BET WITH FRONT FRIDAY AND FRIDAY NIGHT. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 52 76 52 77 / 20 0 0 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 48 75 51 76 / 10 0 0 0 OAK RIDGE, TN 47 76 51 76 / 10 0 0 10 TRI CITIES AIRPORT, TN 43 73 42 75 / 10 0 0 0 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ DGS/TD

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.