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

Current Version | Previous Version | Graphics & Text | 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
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS64 KMRX 300924 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 424 AM EST FRI JAN 30 2015 .SHORT TERM...
-- Changed Discussion --
(TODAY AND TONIGHT)...THE COLDER AIR IS SPILLING OVER INTO THE VALLEY COUNTIES AT FORECAST TIME...WITH BANDS OF SNOW SHOWERS DEVELOPING ACROSS ERN KY/SW VA/NE TN. THE MOISTURE DEPTH IS QUITE SHALLOW AFTER THE MORNING HOURS...BUT NW WINDS BEHIND THE FRONT AND LOW LEVEL INSTABILITY LOOKS SUFFICIENT TO CONTINUE THE WINTER WEATHER ADVISORY THROUGH NOON EST TODAY. ADDED LOW POPS FOR THE NRN PLATEAU AND AREAS ADJACENT TO THE ADVISORY...PLUS FLURRIES TO LAKEWAY AND KNOXVILLE AREAS. LOOK FOR CLEARING SKIES ALL AREAS IN THE AFTERNOON...BUT I CHOSE TO KEEP MAXES BELOW MOS VALUES TODAY. CLEAR TONIGHT AND QUITE CLOSE TO MOS BLEND FOR MIN TEMPS. .LONG TERM...(SATURDAY THROUGH THURSDAY)...HIGH PRESSURE WITH MOSTLY CLEAR SKIES WILL BE BRIEF SATURDAY BEFORE THE APPROACH OF NEXT SYSTEM SATURDAY NIGHT. LOW PRESSURE IN THE DESERT SOUTHWEST SATURDAY WILL MOVE INTO THE MS VALLEY SATURDAY NIGHT AND THEN INTO THE TN VALLEY SUNDAY. A LITTLE SNOW COULD DEVELOP LATE SATURDAY NIGHT BEFORE MAIN SYSTEM MOVES IN SUNDAY. SUNDAY TEMPERATURES EXPECTED TO WARM INTO THE 40S FOR MOSTLY RAIN. THEN MUCH COLDER AIRMASS MOVES IN SUNDAY NIGHT INTO MONDAY ON BACK SIDE OF THIS SYSTEM. NW FLOW DEVELOPS WITH SEVERAL INCHES OF SNOW POSSIBLE MOUNTAINS AND A COUPLE INCHES LOWER ELEVATIONS NE HALF OF FORECAST AREA. PRECIPITATION SHOULD END DURING THE DAY MONDAY AND HIGHS WILL STAY COLD IN THE 30S. COLD TEMPERATURES AS SKIES CLEAR MONDAY NIGHT. TUESDAY ANOTHER SUNNY DAY. TUESDAY NIGHT CLOUDS INCREASE AHEAD OF YET ANOTHER SYSTEM. TEMPERATURES WILL BE WARM ENOUGH FOR MOSTLY RAIN WEDNESDAY AND THEN RAIN AND SNOW WEDNESDAY NIGHT AND THURSDAY.
-- End Changed Discussion --
&& .PRELIMINARY POINT TEMPS/POPS...
-- Changed Discussion --
CHATTANOOGA AIRPORT, TN 43 25 50 34 / 10 0 10 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 39 21 46 29 / 10 0 0 10 OAK RIDGE, TN 38 22 45 31 / 10 0 10 10 TRI CITIES AIRPORT, TN 34 17 43 25 / 30 0 10 10
-- End Changed Discussion --
&& .MRX WATCHES/WARNINGS/ADVISORIES...
-- Changed Discussion --
NC...NONE. TN...WINTER WEATHER ADVISORY UNTIL NOON EST TODAY FOR BLOUNT SMOKY MOUNTAINS-COCKE SMOKY MOUNTAINS-JOHNSON-SEVIER SMOKY MOUNTAINS-SOUTHEAST CARTER-SOUTHEAST GREENE-UNICOI. VA...NONE.
-- End Changed Discussion --
&& $$ TG/TD

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