812  
FXUS64 KMRX 031905  
AFDMRX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
305 PM EDT SAT OCT 3 2026  
   
..NEW DISCUSSION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 251 PM EDT SAT OCT 3 2026  
 
- A FEW SCATTERED SHOWERS INTO THIS EVENING, THEN ADDITIONAL  
WIDESPREAD RAIN FOR MUCH OF SUNDAY, ESPECIALLY FOR LOCATIONS  
NEAR GEORGIA AND NORTH CAROLINA.  
 
- DRIER CONDITIONS WILL RETURN NEXT WEEK STARTING MONDAY.  
 

 
   
DISCUSSION
 
 
ISSUED AT 251 PM EDT SAT OCT 3 2026  
 
A LOT OF RAIN FELL EARLIER IN EASTERN PORTIONS OF KNOX COUNTY AND  
SURROUNDING LOCALES, WITH UPWARDS OF 3-4 INCHES IN A NARROW BAND  
FROM THIS MORNING'S HEAVIEST AND STEADIEST RAIN. A HANDFUL OF  
SHOWERS ARE ONGOING NOW AND A COUPLE OF ADDITIONAL SHOWERS, OR EVEN  
A STORM, COULD DEVELOP LATE THIS AFTERNOON INTO THE EARLY EVENING  
HOURS, THOUGH ACTIVITY WILL REMAIN FAR MORE ISOLATED VERSUS THE  
WIDESPREAD COVERAGE FROM THIS MORNING.  
 
IN RESPONSE TO THE APPROACHING BOUNDARY TOMORROW AND BETTER UPPER  
LEVEL SUPPORT, WE SHOULD SEE A REFLOURISHING OF THE RAIN SHIELD  
ON SUNDAY, MAINLY SOUTH OF I-40 AND AND SOUTH OF I-81. THIS WILL  
YIELD AN ADDITIONAL HALF INCH PRETTY BROADLY, THOUGH IF UPPER  
SUPPORT HELPS, CAMS INDICATE POTENTIAL FOR ANOTHER NARROW STRIP OF  
UP TO 2" OF RAINFALL. IT SEEMS IMPROBABLE THIS WILL FALL ON THIS  
MORNING'S SUPER SOAKED AREAS, SO AGAIN FLOOD RISK CONTINUES TO BE  
ON THE LOW END. RAIN RATES SHOULD ALSO GENERALLY REMAIN ON THE LOW  
SIDE, EXCEPT IF WE SEE SOME THUNDERSTORM DEVELOPMENT ALONG THE  
LEADING EDGE OF ACTIVITY, MUCH LIKE THE LEADING EDGE THIS MORNING  
HAD THE HEAVIEST RATES. SINCE THE ATMOSPHERE IS QUITE SATURATED  
VERTICALLY, YIELDING LOW MLCAPE, I AM NOT EXPECTING ANY SEVERE  
WEATHER WITH THE STILL TO COME RAIN, DESPITE THE MARGINALLY  
SUPPORTIVE WIND SHEAR.  
 
NEXT WEEK THERE'S BROAD TROUGHING WAY UP NORTH IN CANADA, BROAD  
RIDGING OUT IN THE AMERICAN WEST, AND A RATHER BENIGN PATTERN  
LOCALLY. NO SIGNIFICANT HEIGHT DEPARTURES SHOULD MEAN PLEASANTLY  
WARM TEMPERATURES AND DRY WEATHER WILL REIGN SUPREME FOR MUCH, IF  
NOT ALL, OF THE WORK WEEK.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 127 PM EDT SAT OCT 3 2026  
 
RAIN SHOWERS CONTINUE TO DISSIPATE ACROSS THE AREA. PRECIPITATION  
WILL FULLY END BY MID AFTERNOON. LOW STRATUS WILL CONTINUE TO  
PROMOTE MVFR CONDITIONS THROUGH MUCH OF THE MORNING, GRADUALLY  
IMPROVING INTO THE MID AFTERNOON. LOW VFR CIGS ARE EXPECTED TO  
PERSIST THROUGH THE PERIOD. THE NEXT ROUND OF SHOWERS IS EXPECTED  
TO DEVELOP LATE TONIGHT INTO SUNDAY MORNING. I HAVE INCLUDED LIGHT  
LIGHT BEGINNING JUST PRIOR TO DAYBREAK WITH A RETURN TO MVFR CIGS.  
DIPS IN VISIBILITY ARE LIKELY, BUT CONFIDENCE IN  
TIMING/SIGNIFICANCE IS LOW AT THIS TIME.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
CHATTANOOGA AIRPORT, TN 69 78 64 82 / 40 80 30 0  
KNOXVILLE MCGHEE TYSON AIRPORT, TN 66 78 62 79 / 40 70 30 0  
OAK RIDGE, TN 65 77 59 78 / 30 70 30 0  
TRI CITIES AIRPORT, TN 63 74 58 75 / 30 70 40 0  
 

 
   
MRX WATCHES/WARNINGS/ADVISORIES
 
 
NC...NONE.  
TN...NONE.  
VA...NONE.  

 
 

 
 
DISCUSSION...WELLINGTON  
AVIATION...BH  
 
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