Alert archive / Tennessee / Flash Flood Warnings in 2012
Flash Flood Warning 22, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Oct 1, 2012, 6:06 PM CDT for Rutherford County, Trousdale County, Wilson County, Tennessee. It was in force for 2 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 1, 2012, 6:06 PM CDT (23:06 UTC)
- Expired
- Oct 1, 2012, 8:27 PM CDT
- In force
- 2 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Rutherford County, TN, Trousdale County, TN, Wilson County, TN
The radar
The Nashville radar (KOHX), 33 km from the middle of the area, began a volume at 23:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 1, 6:12 PM CDT | HEAVY RAIN 4 | 4 Se Lebanon, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 11.1 hours before the alert went out and 33 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 459 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 410 m²/s²
- 0-3 km storm-relative helicity
- 734 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
270
WGUS54 KOHX 012306
FFWOHX
TNC149-169-189-020500-
/O.NEW.KOHX.FF.W.0022.121001T2306Z-121002T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
606 PM CDT MON OCT 1 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL WILSON COUNTY IN MIDDLE TENNESSEE...
RUTHERFORD COUNTY IN MIDDLE TENNESSEE...
TROUSDALE COUNTY IN MIDDLE TENNESSEE...
* UNTIL MIDNIGHT CDT
* AT 555 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS FLOODING IN
SEVERAL LEBANON STREETS. RAINFALL OBSERVERS IN THE AREA REPORTED
OVER 4 INCHES OF RAINFALL WITH OVER 2 INCHES IN THE LAST 90 MINUTES.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
HARTSVILLE...LEBANON...MURFREESBORO...WALTERHILL AND WATERTOWN.
LAT...LON 3642 8604 3637 8605 3629 8613 3627 8612
3623 8612 3620 8609 3570 8621 3571 8622
3567 8625 3568 8651 3570 8654 3601 8644
3631 8632 3631 8630 3636 8627 3645 8626
$$
JLM1 follow-up statement
416
WGUS74 KOHX 020127
FFSOHX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
827 PM CDT MON OCT 1 2012
TNC149-169-189-020141-
/O.CAN.KOHX.FF.W.0022.000000T0000Z-121002T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RUTHERFORD TN-TROUSDALE TN-WILSON TN-
827 PM CDT MON OCT 1 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL WILSON...
TROUSDALE AND RUTHERFORD COUNTIES IS CANCELLED...
EXCESSIVE RAINFALL THREAT HAS ENDED AND FLOODING IS RECEEDING.
LAT...LON 3642 8604 3637 8605 3629 8613 3627 8612
3623 8612 3620 8609 3570 8621 3571 8622
3567 8625 3568 8651 3570 8654 3601 8644
3631 8632 3631 8630 3636 8627 3645 8626
$$
JLMThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 1, 1:46 PM CDT | Special Weather Statement | OHX | Bedford, Marshall, Rutherford | 29 min |
| Oct 1, 2:30 PM CDT | Special Weather Statement | OHX | Rutherford | 30 min |
| Oct 1, 3:18 PM CDT | Special Weather Statement | OHX | Smith, Trousdale | 27 min |
| Oct 1, 4:05 PM CDT | Special Weather Statement | OHX | Rutherford | 25 min |
| Oct 1, 4:37 PM CDT | Special Weather Statement | OHX | Cannon | 23 min |
| Oct 1, 5:06 PM CDT | Special Weather Statement | OHX | Smith, Wilson | 24 min |
| Oct 1, 5:13 PM CDT | Tornado Warning | OHX | DeKalb, Smith, Trousdale, Wilson | 32 min |
| Oct 1, 5:21 PM CDT | Areal Flood Advisory | OHX | Rutherford, Trousdale, Wilson | 3 hr |
| Oct 1, 5:41 PM CDT | Tornado Warning | OHX | Smith, Trousdale | 19 min |
| Oct 1, 5:57 PM CDT | Special Weather Statement | OHX | Jackson | 33 min |
| Oct 1, 6:41 PM CDT | Special Weather Statement | OHX | Putnam | 34 min |
Nearby
Flash Flood Warnings in Tennessee, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.