000 SXUS74 KMRX 022143 RERTRI RECORD EVENT REPORT NATIONAL WEATHER SERVICE MORRISTOWN, TN 0542 PM EDT THU NOV 02 2023 ...RECORD LOW TEMPERATURE SET AT TRI-CITIES AIRPORT... A RECORD LOW TEMPERATURE OF 21 WAS SET AT TRI-CITIES AIRPORT TODAY. THIS BREAKS THE OLD RECORD OF 24 SET IN 1954. $$