Alert archive / Tennessee / Flash Flood Warnings in 2003

Flash Flood Warning 66, NWS Nashville, TN

July 12, 2003Van Buren County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 12, 2003, 4:32 PM CDT for Van Buren County, Tennessee. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 12, 2003, 4:32 PM CDT (21:32 UTC)
Expired: Jul 12, 2003, 5:30 PM CDT
In force: 58 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Van Buren County, TN

The radar

The Northeast Alabama radar (KHTX), 103 km from the middle of the area, began a volume at 21:35 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, 9.5 hours before the alert went out and 114 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 194 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 1663 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 147 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KOHX 122134
FFWBNA
TNC175-122230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
432 PM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  VAN BUREN COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF SPENCER

* UNTIL 530 PM CDT

* AT 424 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY 
  RAIN OCCURRING IN SOME SPOTS ACROSS THE COUNTY. ALREADY, SOME      
  PLACES IN NORTHERN VAN BUREN COUNTY HAVE RECEIVED CLOSE TO 2       
  INCHES.

* PLACES THAT ARE MOST LIKELY TO EXPERIENCE FLOODING INCLUDE SPENCER 
  AND CUMMINGSVILLE.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS 
BRIDGES, DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD.
&&
LAT...LON 3581 8559 3556 8556 3556 8544 3569 8530
          3580 8523
$$
ROSE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 3:11 PM CDT	Severe Thunderstorm Warning	OHX	White	34 min
Jul 12, 3:31 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	44 min
Jul 12, 3:45 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Van Buren	30 min
Jul 12, 3:50 PM CDT	Severe Thunderstorm Warning	OHX	White	25 min
Jul 12, 4:12 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson	48 min
Jul 12, 4:32 PM CDT	Flash Flood Warning	OHX	Van Buren	3 hr
Jul 12, 5:09 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery	36 min

Nearby

Flash Flood Warnings in Tennessee, 2003 Every flash flood warning in 2003

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.