Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 84, NWS Nashville, TN

October 19, 2004Grundy County, Tennessee

NWS Nashville, TN issued this flash flood warning at Oct 19, 2004, 6:31 AM CDT for Grundy County, Tennessee. It was in force for 119 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: Oct 19, 2004, 6:31 AM CDT (11:31 UTC)
Expired: Oct 19, 2004, 8:30 AM CDT
In force: 119 min
Issued by: NWS Nashville, TN
Area: Counties, with a storm outline in the text

County Grundy County, TN

The radar

The Northeast Alabama radar (KHTX), 71 km from the middle of the area, began a volume at 11:31 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, 11.5 hours before the alert went out and 118 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: 501 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 627 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 558 m²/s²
0-3 km storm-relative helicity: 651 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 16.3

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KOHX 191134
FFWBNA
TNC061-191330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
631 AM CDT TUE OCT 19 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  GRUNDY COUNTY IN TENNESSEE

* UNTIL 830 AM CDT

* AT 620 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
  FLOODING AROUND AND NEAR PELHAM.  SEVERAL STREETS AROUND PELHAM 
  WERE REPORTED TO BE UNDER WATER. 

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PALMER...COALMONT...BEERSHEBA SPRINGS AND ALTAMONT.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3549 8584 3531 8581 3533 8527 3555 8530

$$

31

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 8:22 PM CDT	Severe Thunderstorm Warning	OHX	Perry, Wayne	23 min
Oct 18, 8:30 PM CDT	Tornado Warning	OHX	Perry, Wayne	30 min
Oct 18, 8:38 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Houston, Humphreys, Stewart	52 min
Oct 18, 8:57 PM CDT	Tornado Warning	OHX	Benton, Houston, Stewart	63 min
Oct 18, 9:00 PM CDT	Tornado Warning	OHX	Hickman, Lewis, Perry, Wayne	30 min
Oct 18, 9:30 PM CDT	Tornado Warning	OHX	Lewis, Maury	45 min
Oct 18, 9:35 PM CDT	Severe Thunderstorm Warning	OHX	Humphreys	55 min
Oct 18, 9:55 PM CDT	Tornado Warning	OHX	Houston, Humphreys	65 min
Oct 18, 10:16 PM CDT	Severe Thunderstorm Warning	OHX	Maury	29 min
Oct 18, 10:22 PM CDT	Severe Thunderstorm Warning	OHX	Lewis, Perry, Wayne	23 min
Oct 18, 10:27 PM CDT	Tornado Warning	OHX	Dickson	48 min
Oct 18, 10:40 PM CDT	Flash Flood Warning	OHX	Benton, Houston, Humphreys, Montgomery	2 hr
Oct 18, 10:57 PM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	48 min
Oct 18, 11:13 PM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Williamson	32 min
Oct 18, 11:13 PM CDT	Severe Thunderstorm Warning	OHX	Dickson	47 min
Oct 18, 11:20 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham	55 min
Oct 18, 11:25 PM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson	3 hr
Oct 18, 11:30 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	60 min
Oct 19, 12:09 AM CDT	Flash Flood Warning	OHX	Hickman	2 hr
Oct 19, 12:12 AM CDT	Tornado Warning	OHX	Dickson, Hickman, Williamson	33 min
Oct 19, 12:19 AM CDT	Severe Thunderstorm Warning	OHX	Benton, Humphreys	56 min
Oct 19, 12:29 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Rutherford, Williamson	31 min
Oct 19, 12:32 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	58 min
Oct 19, 12:38 AM CDT	Tornado Warning	OHX	Hickman, Humphreys, Perry	22 min
Oct 19, 12:40 AM CDT	Severe Thunderstorm Warning	OHX	Davidson, Wilson	50 min
Oct 19, 12:41 AM CDT	Flash Flood Warning	OHX	Williamson	2 hr
Oct 19, 1:01 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Hickman, Marshall, Maury and 3 more	29 min
Oct 19, 1:35 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford	25 min
Oct 19, 1:38 AM CDT	Severe Thunderstorm Warning	OHX	Maury, Williamson	22 min
Oct 19, 1:48 AM CDT	Tornado Warning	OHX	Maury	27 min
Oct 19, 1:54 AM CDT	Flash Flood Warning	OHX	Rutherford	2 hr
Oct 19, 2:01 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, Rutherford	29 min
Oct 19, 2:07 AM CDT	Severe Thunderstorm Warning	OHX	Wilson	38 min
Oct 19, 2:17 AM CDT	Tornado Warning	OHX	Marshall, Maury	28 min
Oct 19, 2:21 AM CDT	Flash Flood Warning	OHX	Davidson	3 hr
Oct 19, 2:40 AM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	3 hr
Oct 19, 2:50 AM CDT	Flash Flood Warning	OHX	Williamson	115 min
Oct 19, 2:51 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Lawrence	24 min
Oct 19, 2:56 AM CDT	Tornado Warning	OHX	Coffee, Wayne	34 min
Oct 19, 3:08 AM CDT	Flash Flood Warning	OHX	Hickman, Perry	2 hr
Oct 19, 3:28 AM CDT	Tornado Warning	OHX	Giles	32 min
Oct 19, 3:52 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee	2 hr
Oct 19, 4:12 AM CDT	Flash Flood Warning	OHX	Grundy	2 hr
Oct 19, 4:35 AM CDT	Severe Thunderstorm Warning	OHX	Wayne	25 min
Oct 19, 4:54 AM CDT	Flash Flood Warning	OHX	Giles	3 hr
Oct 19, 4:58 AM CDT	Severe Thunderstorm Warning	OHX	Lawrence, Wayne	32 min
Oct 19, 5:45 AM CDT	Flash Flood Warning	OHX	Lawrence, Wayne	2 hr
Oct 19, 6:00 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee	2 hr
Oct 19, 7:30 AM CDT	Flash Flood Warning	OHX	Bedford, Coffee, Giles, Grundy, Lawrence, Marshall and 1 more	3 hr
Oct 19, 11:40 AM CDT	Flash Flood Warning	OHX	Giles, Lawrence	3 hr

Nearby

Flash Flood Warnings in Tennessee, 2004 Every flash flood warning in 2004

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.