Alert archive / Tennessee / Flash Flood Warnings in 2000

Flash Flood Warning 31, NWS Nashville, TN

July 28, 2000Robertson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 28, 2000, 2:35 PM CDT for Robertson County, Tennessee. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 28, 2000, 2:35 PM CDT (19:35 UTC)
Expired: Jul 28, 2000, 4:30 PM CDT
In force: 115 min
Issued by: NWS Nashville, TN
Area: Whole counties

County Robertson County, TN

The radar

The Nashville radar (KOHX), 42 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 50 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: 1258 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 1356 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 42 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.

000 
WGUS54 KOHX 281942
FFWOHX
TNC147-282130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
235 PM CDT FRI JUL 28 2000

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ROBERTSON COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF SPRINGFIELD

* UNTIL 430 PM CDT

* AT 230 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN FROM THUNDERSTORMS OVER ROBERTSON COUNTY...MOVING SLOWLY EAST.

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS...STREAMS AND ALONG ROADWAYS.

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

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 27, 7:33 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Robertson, Sumner	27 min
Jul 27, 8:02 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	28 min
Jul 27, 9:13 PM CDT	Severe Thunderstorm Warning	OHX	Macon	32 min
Jul 28, 2:30 PM CDT	Severe Thunderstorm Warning	OHX	Robertson	60 min
Jul 28, 3:22 PM CDT	Severe Thunderstorm Warning	OHX	Davidson	23 min
Jul 28, 3:52 PM CDT	Severe Thunderstorm Warning	OHX	Macon	38 min
Jul 28, 5:29 PM CDT	Severe Thunderstorm Warning	OHX	Putnam, White	46 min
Jul 28, 5:44 PM CDT	Severe Thunderstorm Warning	OHX	Overton	46 min
Jul 28, 5:55 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, Fentress	65 min

Nearby

Flash Flood Warnings in Tennessee, 2000 Every flash flood warning in 2000

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.