Alert archive / Tennessee / Flash Flood Warnings in 1989
Flash Flood Warning 16, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Jul 11, 1989, 9:37 AM CDT for Jackson County, Smith County, Tennessee. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1989, 9:37 AM CDT (14:37 UTC)
- Expired
- Jul 11, 1989, 11:45 AM CDT
- In force
- 2 hr
- Issued by
- NWS Nashville, TN
- Area
- Whole counties
Counties Jackson County, TN, Smith County, TN
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 2.6 hours before the alert went out and 73 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1360 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 676 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBNA 111439 RRA
FFWBNA
TNC087-159-111645-
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
937 AM CDT TUE JUL 11 1989
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 AM CDT
AND A FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 AM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN MIDDLE TENNESSEE
...NORTHERN JACKSON...NORTHERN SMITH
RADAR SHOWS A SEVERE THUNDERSTORM OVER NORTHERN SMITH COUNTY SPREADING
INTO NORTHERN JACKSON COUNTY AT 5 MPH. DUE TO THE SLOW MOVEMENT
OF THIS STORM FLASH FLOODING IS ALSO POSSIBLE.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 11, 8:35 AM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILME!TN 832 AM CDT TUE JUL 11 1989 ...HEAVY!RAIN IN SOUTHERN MIDDLE UENNESSEE... THUNDERSTORMS ARE LINGERING OVER THE SOUTHERO QART OF THE MIDSTATE THIS MORNING AND CAUSING HEAVY RAINS AND SOME MINOR FLOODING. NASHVILLE RADAR SHOWS AN AREA OF RAIN AND THUNDERSTORMS COVERING THE COUNTIES OF GILES...MARSHALL...BEDFORD...MOORE AND FRANKLIN. COUNTY OFFICIALS REPORT!THAT SOME PEOPLE HAVE BEEN EVACUATED IN PARUS OF MARSHALL COUNTY DUE!TO FLOODING. MINOR WIND DAMAGE WAS REQORTED EARLIER IN NORTHERN GILES COUNTY. THE STORMS ARE MOVING VERY SLOWLY EAST...SO MORE HEAVY RAIN IS POSSIBLE. MOTORISTS IN SOUTHERN MIDDLE TENNESSEE SIOULDy BE WATCH FOR PONDING OF WATER!IN LOW SPOTS ON THE!HIGHWAY. DO NOT DRIVE YOUR CAR INTO AREAS WHERE WATER COVERS THE ROAD. IF YOU LIVE IN A FLOOD PRONE AREA BE PREPARED TO MOVE TO HIGHER GROUND IF NECESSARY.
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 9:13 AM CDT | Flash Flood Warning | OHX | Marshall | 3 hr |
| Jul 11, 9:37 AM CDT | Severe Thunderstorm Warning | OHX | Jackson, Smith | 68 min |
| Jul 11, 3:55 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Houston, Montgomery | 50 min |
| Jul 11, 3:55 PM CDT | Severe Thunderstorm Warning | OHX | Stewart | 50 min |
Nearby
Flash Flood Warnings in Tennessee, 1989Every flash flood warning in 1989
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.