826
FXUS64 KMRX 211740
AFDMRX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
140 PM EDT WED OCT 21 2026
..NEW DISCUSSION, AVIATION
KEY MESSAGES
UPDATED AT 138 PM EDT WED OCT 21 2026
- CONTINUED PLEASANT FALL WEATHER FOR THE NEXT WEEK
- CHANCES FOR PATCHY FOG IN THE RIVER VALLEYS MANY MORNINGS.
DISCUSSION
ISSUED AT 138 PM EDT WED OCT 21 2026
PERSISTENCE FORECAST FOR THE NEXT SEVERAL DAYS, AND MOST OF THE
NEXT WEEK AS THE SURFACE AND LOWER LEVELS OF THE ATMOSPHERE
REMAIN MOSTLY UNDER HIGH PRESSURE WITH RIDGING TRYING TO BUILD IN
FROM THE WEST FURTHER UP IN THE ATMOSPHERE.
THIS WILL LEAD TO CONTINUED PLEASANT WEATHER DAYS WITH MOSTLY CLEAR
SKIES, LIGHT WINDS, AND TEMPERATURES RIGHT AROUND SEASONAL NORMALS.
HAVE MADE A FEW TWEAKS TO DEW POINTS AND INCLUDED PATCHY FOG IN THE
RIVER VALLEYS AS WE'VE SEEN THE PAST SEVERAL MORNINGS... BUT
OTHERWISE THIS IS A LOW IMPACTS FORECAST FOR THE SOUTHERN
APPALACHIANS AND EASTERN TENNESSEE VALLEY.
INCREASED CLOUDS COULD MOVE IN NEXT WEEK AS A TROUGH SWINGS THROUGH
TO OUR NORTH, BUT AS OF THIS WRITING NO PRECIPITATION IS
ANTICIPATED.
AVIATION
(18Z TAFS)
ISSUED AT 138 PM EDT WED OCT 21 2026
VFR CONDITIONS EXPECTED THE NEXT 24 HOURS. SOME GUIDANCE IS TRYING
TO BRING IN LIGHT FOG ONCE AGAIN OVERNIGHT, BUT IT HASN'T OCCURRED
IN THE PAST COUPLE OF NIGHTS, SO HAVE LEFT IT OUT OF THE TAFS.
PRELIMINARY POINT TEMPS/POPS
CHATTANOOGA AIRPORT, TN 48 74 49 73 / 0 0 0 0
KNOXVILLE MCGHEE TYSON AIRPORT, TN 44 72 44 72 / 0 0 0 0
OAK RIDGE, TN 45 72 45 71 / 0 0 0 0
TRI CITIES AIRPORT, TN 38 69 36 71 / 0 0 0 0
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE.
TN...NONE.
VA...NONE.
DISCUSSION...99
AVIATION...99
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