Throughout the day, flash flooding occurred mainly across western portions of Middle Tennessee. A large area of showers and thunderstorms moved across the area in association with southerly flow surface and aloft as an upper level trough approached the area.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OHX wrote it up.
Throughout the day, flash flooding occurred mainly across western portions of Middle Tennessee. A large area of showers and thunderstorms moved across the area in association with southerly flow surface and aloft as an upper level trough approached the area. Flash flooding occurred across several counties, resulting in flooding of several area roadways.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Nashville, TN wrote its last area forecast discussion before the first event at Sep 26, 2:39 AM CST, 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NASHVILLE TN 339 AM CDT SAT SEP 26 2009 .SHORT TERM (THRU MON)... RADAR MOSAIC CONTINUES TO SHOW RW DEVELOPMENT NEAR A SAVANNAH- NASHVILLE-GLASGOW KY LINE. CELLS ARE MOVING NE AROUND 30 MPH W/TRAINING FM THE SOUTHWEST. THIS IS CAPTURED WELL IN THE LATEST MODELS WITH STEADY QPF AXIS THROUGH 12Z. TWO INCHES OF RAINFALL IS EXPECTED ALONG THE LINE WITH LOCALLY HIGHER AMOUNTS THROUGH 12Z. FFA ON TRACK. LATEST MODELS SIMILAR W/UPR SYS ACCELERATING EAST TDAY. EXPECT A GRADUAL SHIFT OF HIGH QPF EAST OF I-65 BY LATE MORNING. DETERIORATING CONDITIONS EXPECTED FOR PLATEAU AS HEAVY RAINFALL SPREADS INTO THE REGION THIS MORNING. BY AFTERNOON...DRIER AIR CUTS INTO W MID TN AND WL LET FLASH FLOOD WATCH RUN TIL NOON FOR METRO NASHVILLE AND SOUTHWEST MID TN. CONCERNING AREAS EAST OF I-65...PARTICULARILY THE PLATEAU...HEAVIER RAINFALL EXPECTED 15-21Z. TWO TO FOUR INCHES OF RAINFALL WITH LOCALLY HIGHER AMOUNTS. FFA ON TRACK THROUGH 21Z. PCPN WL TAPER BY LATE AFTERNOON IN THE PLATEAU. SCT RW- ACR N MID TN THIS EVENING. MUCH BETTER WEATHER SUNDAY W/PLENTY OF SUN. SECONDARY COLD FRONT PUSHES THROUGH LATE SUNDAY NIGHT WITH COLDER TEMPS AND SCT RW PLATEAU. .LONG TERM (TUE-FRI)... CANADIAN HIGH PRES AND MUCH COLDER H8 AIR KEEP TEMPS BLW NORMAL TUE-WED. SOME MODERATION THU-FRI W/LIGHT SOUTH FLOW. && .PRELIMINARY POINT TEMPS/POPS... NASHVILLE 77 60 80 60 / 90 20 0 10 CLARKSVILLE 78 57 81 59 / 50 20 0 10 CROSSVILLE 72 58 74 57 / 100 40 10 10 COLUMBIA 78 60 81 61 / 90 20 0 10 LAWRENCEBURG 79 60 82 61 / 90 10 0 10 WAVERLY 79 58 81 60 / 60 20 0 10 && .OHX WATCHES/WARNINGS/ADVISORIES... FLASH FLOOD WATCH THROUGH THIS AFTERNOON FOR TNZ010-011-030>034- 063>066-077>080. FLASH FLOOD WATCH UNTIL NOON CDT TODAY FOR TNZ008-009-027>029- 056>062-075-093>095. && 04
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NASHVILLE TN 524 AM CDT FRI SEP 25 2009 TNZ008>011-027>034-056>066-075-077>080-093>095-261030- SUMNER-MACON-CLAY-PICKETT-DAVIDSON-WILSON-TROUSDALE-SMITH-JACKSON- PUTNAM-OVERTON-FENTRESS-PERRY-HICKMAN-LEWIS-WILLIAMSON-MAURY- MARSHALL-RUTHERFORD-CANNON-DEKALB-WHITE-CUMBERLAND-BEDFORD-COFFEE- WARREN-GRUNDY-VAN BUREN-WAYNE-LAWRENCE-GILES- 524 AM CDT FRI SEP 25 2009 ...FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT A COLD FRONT IS EXPECTED TO BRING A FEW STRONG STORMS AND HEAVY RAINS TO AREAS MOSTLY NEAR AND EAST OF NASHVILLE LATE TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE FRONT WILL MAKE ITS WAY ACROSS THE MID STATE...WITH HEAVY RAINS AND STRONG STORMS ENDING FROM THE WEST. MORE INFORMATION IS AVAILABLE ON THE INTERNET AT WEATHER.GOV OR BY LISTENING TO NOAA WEATHER RADIO. .SPOTTER INFORMATION STATEMENT... SPOTTERS AND LOCAL EMERGENCY MANAGEMENT OFFICIALS ARE ENCOURAGED TO REPORT HEAVY RAINFALL AMOUNTS TO THE NATIONAL WEATHER SERVICE IN NASHVILLE. TNZ005>007-022>026-261030- STEWART-MONTGOMERY-ROBERTSON-BENTON-HOUSTON-HUMPHREYS-DICKSON- CHEATHAM- 524 AM CDT FRI SEP 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. 17/MAG
The Nashville radar (KOHX), 7 km away, was scanning. The volume nearest the first event began at 09:29 UTC.
7 flash flood. Local standard time, as filed.
Flash Flooding was reported as water was over Old Lebanon Dirt Road and North MT Juliet Road in MT Juliet.
Heavy rainfall resulted in flooding near Mill Creek. Some roads were closed.
York Road at the intersection of Lebanon Road was underwater.
Water covered the roads at the intersection of North MT Juliet Road and Old Lebanon Dirt Road.
At 8494 Central Pike, three inches of water covered the road.
Isolated to scattered flooding occurred across the county. There were a couple of accidents on Interstate 24 during the heavy rain. Water was overflowing ditches in the 1700 block of West Lincoln Street and onto the roadway. Highway department workers also placed barriers in areas of the county. Police received a report of a tree being across the roadway in the Carter Blake Road area. Several minor accidents were reported also across the county. No information was provided on number and extent of any injuries associated with these accidents.
Part of Rockhouse Hollow Road near Westmoreland was washed out.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2009Every state in 2009This day in weather historyWarnings in Tennessee, September 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 196489, 196490, 196491, 196492, 196493, 196932, 196494.