048
FXUS64 KMRX 091822
AFDMRX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
222 PM EDT THU APR 9 2026
..NEW DISCUSSION
KEY MESSAGES
UPDATED AT 217 PM EDT THU APR 9 2026
- A SIGNIFICANT WARMING TREND IS EXPECTED THROUGH THE WEEKEND WITH
HIGH TEMPERATURES RISING WELL INTO THE 80S BY SUNDAY INTO NEXT
WEEK.
- LITTLE OR NO PRECIPITATION IS EXPECTED, AND LOW AFTERNOON
RELATIVE HUMIDITY VALUES WILL THE NORM FOR THE PERIOD.
DISCUSSION
ISSUED AT 217 PM EDT THU APR 9 2026
WE START THE PERIOD WITH QUASI-ZONAL FLOW ALOFT AND STRONG SURFACE
HIGH PRESSURE EXTENDING INTO OUR AREA FROM THE EAST AND NORTHEAST.
HIGH PRESSURE WILL CONTINUE TO EXTEND OVER OUR AREA FOR THE NEXT
SEVERAL DAYS AND THE FLOW ALOFT WILL EVENTUALLY TRANSITION TO UPPER
RIDGING DURING THE WEEKEND. VERY LOW RELATIVE HUMIDITY VALUES ARE
OCCURRING THIS AFTERNOON AND CAN BE EXPECTED AGAIN TOMORROW
AFTERNOON, AND LOW AFTERNOON RELATIVE HUMIDITY VALUES WILL LIKELY
OCCUR MOST DAYS OVER THE NEXT WEEK AT LEAST THROUGH WEDNESDAY. WE
WILL CONTINUE TO SEE A WARMING TREND INTO THE WEEKEND, AND HIGH
TEMPERATURES WILL BE WELL ABOVE NORMAL BY SUNDAY AND CONTINUING
THROUGH THE END OF THE PERIOD (NEXT THURSDAY). SOME RECORD HIGHS MAY
BE APPROACHED OR POSSIBLY EXCEEDED DURING THE WEEKEND INTO NEXT
WEEK, WITH THE DAYS WITH RECORDS MOST UNDER THREAT CURRENTLY LOOKING
LIKE TUESDAY AND WEDNESDAY. RECORD HIGH INFORMATION FOR THE WEEKEND
AND BEYOND IS INCLUDED BELOW FOR EASY REFERENCE:
DAILY RECORD HIGH MAXIMUM TEMPERATURES
DATE CHATTANOOGA KNOXVILLE TRI-CITIES OAK RIDGE
04-11 87(2001) 86(2001) 86(2001) 85(2001)
04-12 89(1887) 87(1930) 84(1945) 87(1948)
04-13 88(1887) 89(1887) 86(1981) 86(2017)
04-14 87(2010) 86(1887) 85(1938) 88(2017)
04-15 87(2006) 87(1936) 85(1945) 86(2024)
04-16 89(2002) 87(1896) 87(2002) 88(2002)
PRECIPITATION CHANCES ARE LOW AT BEST FOR THE PERIOD. A WEAK AND
MOISTURE STARVED COLD FRONT WILL SAG BRIEFLY SOUTH INTO OUR NORTHERN
AREAS SATURDAY, AND A FEW NORTHERN SPOTS MAY SEE A SPRINKLE OR
SHOWER SATURDAY ALTHOUGH CHANCES FOR MEASURABLE PRECIPITATION LOOK
LOW. BY THURSDAY A FRONT APPROACHING FROM THE WEST MAY BRING A
BETTER CHANCE FOR CONVECTION INTO THE AREA. HOWEVER, THE DETAILS
THAT FAR OUT ARE STILL MURKY AS MODEL CONSISTENCY HAS BEEN POOR, AND
MODEL TRENDS HAVE GENERALLY BEEN TO SLOW THE ARRIVAL OF
PRECIPITATION FOR OUR AREA.
AVIATION
(18Z TAFS)
ISSUED AT 1231 PM EDT THU APR 9 2026
VFR CONDITIONS ARE EXPECTED FOR THE PERIOD ALL SITES. WINDS WILL
GENERALLY BE LIGHT.
PRELIMINARY POINT TEMPS/POPS
CHATTANOOGA AIRPORT, TN 47 79 51 84 / 0 0 0 0
KNOXVILLE MCGHEE TYSON AIRPORT, TN 45 76 51 80 / 0 0 0 10
OAK RIDGE, TN 47 77 50 81 / 0 0 0 10
TRI CITIES AIRPORT, TN 39 75 47 76 / 0 0 0 10
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE.
TN...NONE.
VA...NONE.
DISCUSSION...99
AVIATION...99
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