Alert archive / Tennessee / Flash Flood Warnings in 2012
Flash Flood Warning 15, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Aug 5, 2012, 2:24 PM CDT for White County, Tennessee. It was in force for 3 hr. 2 reports 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
- Aug 5, 2012, 2:24 PM CDT (19:24 UTC)
- Expired
- Aug 5, 2012, 5:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
County White County, TN
The radar
The Nashville radar (KOHX), 97 km from the middle of the area, began a volume at 19:28 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 |
|---|---|---|---|
| Aug 5, 3:00 PM CDT | FLASH FLOOD | 4 Nw Sparta, TN | TWO ROADS CLOSED IN THE COUNTY DUE TO FLASH FLOODING |
| Aug 5, 3:00 PM CDT | FLASH FLOOD | 5 Ene Sparta, TN | PUBLIC REPORTED CALFKILLER RIVER WAS OUT OF ITS BANKS AND COMPLETELY SURROUNDED A HOME ON COAL BANK ROAD |
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, 7.4 hours before the alert went out and 97 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
- 1769 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
333
WGUS54 KOHX 051924
FFWOHX
TNC185-052230-
/O.NEW.KOHX.FF.W.0015.120805T1924Z-120805T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
224 PM CDT SUN AUG 5 2012
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN WHITE COUNTY IN MIDDLE TENNESSEE...
* UNTIL 530 PM CDT
* AT 224 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES THAT UP TO 4 INCHES OF RAIN HAS
FALLEN ACROSS NORTHERN WHITE COUNTY OVER THE PAST HOUR. AN
ADDITIONAL 1 TO 2 INCHES OF RAIN IS POSSIBLE OVER THE NEXT ONE
TO TWO HOURS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SPARTA...BAKERS CROSSROADS...AND MACEDONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3590 8539 3590 8562 3598 8566 3600 8564
3602 8564 3605 8561 3604 8559 3606 8557
3608 8553 3606 8538 3603 8532
$$
SHAMBURGER1 follow-up statement
669
WGUS74 KOHX 052016
FFSOHX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
316 PM CDT SUN AUG 5 2012
TNC185-052230-
/O.CON.KOHX.FF.W.0015.000000T0000Z-120805T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WHITE TN-
316 PM CDT SUN AUG 5 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHERN WHITE COUNTY
UNTIL 530 PM CDT...
AT 313 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. RADAR
ESTIMATED THAT 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS NORTHERN
WHITE COUNTY OVER THE PAST TWO HOURS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...SPARTA...BAKERS CROSSROADS...AND MACEDONIA.
AT 245 PM CDT...THE PUBLIC REPORTED CALFKILLER RIVER WAS OUT OF ITS
BANKS AND HAD RISEN INTO THE BACKYARD OF A HOME ALONG COAL BANK ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NASHVILLE.
&&
LAT...LON 3590 8539 3590 8562 3598 8566 3600 8564
3602 8564 3605 8561 3604 8559 3606 8557
3608 8553 3606 8538 3603 8532
$$
SHAMBURGERThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 11:37 AM CDT | Areal Flood Advisory | OHX | Sumner, Trousdale | 113 min |
| Aug 5, 12:09 PM CDT | Areal Flood Advisory | OHX | Macon, Trousdale | 111 min |
| Aug 5, 1:00 PM CDT | Special Weather Statement | OHX | DeKalb, Putnam | 60 min |
| Aug 5, 1:13 PM CDT | Areal Flood Advisory | OHX | Smith, Wilson | 2 hr |
| Aug 5, 1:31 PM CDT | Special Weather Statement | OHX | Cannon | 44 min |
| Aug 5, 1:54 PM CDT | Special Weather Statement | OHX | Cumberland, Putnam, Van Buren, Warren, White | 66 min |
| Aug 5, 2:00 PM CDT | Areal Flood Advisory | OHX | Fentress, Pickett | 2 hr |
| Aug 5, 2:04 PM CDT | Areal Flood Advisory | OHX | White | 116 min |
| Aug 5, 2:58 PM CDT | Special Weather Statement | OHX | Cumberland, Van Buren, Warren | 47 min |
| Aug 5, 3:06 PM CDT | Severe Thunderstorm Warning | OHX | Benton, Humphreys, Perry | 39 min |
| Aug 5, 3:45 PM CDT | Special Weather Statement | OHX | Perry | 60 min |
| Aug 5, 4:22 PM CDT | Special Weather Statement | OHX | Benton, Cheatham, Dickson, Hickman, Houston, Humphreys and 4 more | 38 min |
| Aug 5, 5:08 PM CDT | Special Weather Statement | OHX | Robertson | 52 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.