Alert archive / Tennessee / Flash Flood Warnings in 2012

Flash Flood Warning 7, NWS Nashville, TN

June 3, 2012Perry County, Wayne County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jun 3, 2012, 8:30 PM CDT for Perry County, Wayne County, Tennessee. It was in force for 3 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
Jun 3, 2012, 8:30 PM CDT (01:30 UTC)
Expired
Jun 3, 2012, 11:30 PM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Flood severity
None

Counties Perry County, TN, Wayne County, TN

The radar

The Nashville radar (KOHX), 148 km from the middle of the area, began a volume at 01:32 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 00:00Z, 1.5 hours before the alert went out and 138 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.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2012-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2012-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
49 J/kg
Mixed-layer CIN
-147 J/kg
Mixed-layer LCL
1811 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

298 
WGUS54 KOHX 040130
FFWOHX
TNC135-181-040430-
/O.NEW.KOHX.FF.W.0007.120604T0130Z-120604T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
830 PM CDT SUN JUN 3 2012

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN WAYNE COUNTY IN MIDDLE TENNESSEE...
  SOUTHERN PERRY COUNTY IN MIDDLE TENNESSEE...

* UNTIL 1130 PM CDT

* AT 829 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR INDICATES MORE THAN 2 INCHES OF RAIN HAS FALLEN 
  WITHIN THE PAST COUPLE OF HOURS. ADDITIONAL THUNDERSTORMS MAY 
  PRODUCE ANOTHER 1 TO 2 INCHES OF RAIN.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LINDEN AND WAYNESBORO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

&&

LAT...LON 3549 8799 3553 8798 3561 8804 3566 8802
      3573 8803 3572 8777 3550 8771 3548 8772
      3548 8770 3528 8764 3535 8801 3539 8803
      3541 8798 3542 8802 3546 8805

$$

13

The office that day

Everything else NWS Nashville, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 7:10 PM CDTTornado WarningOHXPerry, Wayne35 min
Jun 3, 7:38 PM CDTTornado WarningOHXWayne37 min
Jun 3, 7:41 PM CDTSevere Thunderstorm WarningOHXHickman, Lewis, Perry49 min
Jun 3, 8:07 PM CDTSevere Thunderstorm WarningOHXHickman, Lewis, Maury, Perry38 min
Jun 3, 8:12 PM CDTTornado WarningOHXWayne33 min
Jun 3, 8:22 PM CDTSevere Thunderstorm WarningOHXLawrence, Wayne38 min
Jun 3, 8:25 PM CDTSevere Thunderstorm WarningOHXLewis, Perry50 min
Jun 3, 8:40 PM CDTSpecial Weather StatementOHXMaury50 min
Jun 3, 8:43 PM CDTSevere Thunderstorm WarningOHXLawrence, Wayne12 min
Jun 3, 9:21 PM CDTSevere Thunderstorm WarningOHXLawrence24 min
Jun 3, 9:44 PM CDTSevere Thunderstorm WarningOHXGiles, Lawrence31 min
Jun 3, 10:13 PM CDTSpecial Weather StatementOHXGiles32 min
Jun 3, 10:27 PM CDTSpecial Weather StatementOHXWayne33 min
Jun 3, 10:38 PM CDTSpecial Weather StatementOHXLewis, Maury, Perry37 min
Jun 3, 10:58 PM CDTSpecial Weather StatementOHXLawrence, Wayne32 min
Jun 3, 11:19 PM CDTSevere Thunderstorm WarningOHXWayne41 min
Jun 3, 11:58 PM CDTSpecial Weather StatementOHXLawrence62 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.