Alert archive / Tennessee / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Mar 14, 2012, 5:10 PM CDT for Hickman County, Tennessee. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 14, 2012, 5:10 PM CDT (22:10 UTC)
- Expired
- Mar 14, 2012, 7:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
County Hickman County, TN
The radar
The Nashville radar (KOHX), 95 km from the middle of the area, began a volume at 22:12 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.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.2 hours before the alert went out and 87 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
- 486 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
680
WGUS54 KOHX 142210
FFWOHX
TNC081-150100-
/O.NEW.KOHX.FF.W.0001.120314T2210Z-120315T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
510 PM CDT WED MAR 14 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN HICKMAN COUNTY IN MIDDLE TENNESSEE...
* UNTIL 800 PM CDT
* AT 509 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. 2 TO 3 INCHES OF RAINFALL ACCUMULATION IS EXPECTED WITH
THESE STORMS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CENTERVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NASHVILLE.
&&
LAT...LON 3595 8759 3595 8756 3596 8754 3591 8735
3580 8731 3575 8737 3572 8743 3575 8750
3578 8756 3582 8758 3589 8761
$$
BW1 follow-up statement
165
WGUS74 KOHX 150030
FFSOHX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
730 PM CDT WED MAR 14 2012
TNC081-150044-
/O.CAN.KOHX.FF.W.0001.000000T0000Z-120315T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HICKMAN TN-
730 PM CDT WED MAR 14 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR NORTHERN HICKMAN
COUNTY IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3595 8759 3595 8756 3596 8754 3591 8735
3580 8731 3575 8737 3572 8743 3575 8750
3578 8756 3582 8758 3589 8761
$$
BWThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 4:23 PM CDT | Severe Thunderstorm Warning | OHX | Humphreys | 37 min |
| Mar 14, 4:25 PM CDT | Severe Thunderstorm Warning | OHX | Giles, Lawrence | 17 min |
| Mar 14, 4:45 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Humphreys | 45 min |
| Mar 14, 5:13 PM CDT | Severe Thunderstorm Warning | OHX | Dickson, Hickman, Maury, Williamson | 47 min |
| Mar 14, 5:27 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson, Houston, Humphreys | 33 min |
| Mar 14, 5:51 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Williamson | 24 min |
| Mar 14, 6:04 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Robertson, Sumner | 26 min |
| Mar 14, 6:08 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson | 23 min |
| Mar 14, 6:14 PM CDT | Severe Thunderstorm Warning | OHX | Davidson, Rutherford, Williamson | 31 min |
| Mar 14, 6:29 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Robertson, Sumner | 31 min |
| Mar 14, 6:36 PM CDT | Severe Thunderstorm Warning | OHX | Robertson, Sumner | 39 min |
| Mar 14, 6:55 PM CDT | Severe Thunderstorm Warning | OHX | Macon, Sumner, Trousdale | 35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.