Alert archive / Tennessee / Flash Flood Warnings in 2001

Flash Flood Warning 39, NWS Nashville, TN

November 24, 2001Cumberland County, Tennessee

NWS Nashville, TN issued this flash flood warning at Nov 24, 2001, 9:28 PM CST for Cumberland County, Tennessee. It was in force for 4 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Nov 24, 2001, 9:28 PM CST (03:28 UTC)
Expired: Nov 25, 2001, 1:35 AM CST
In force: 4 hr
Issued by: NWS Nashville, TN
Area: Whole counties

County Cumberland County, TN

What was reported inside it

Time	Report	Where	Remark
Nov 24, 10:00 PM CST	Flash Flood	Crossville, TN	Law enforcement reported flooding at the intersection of Industrial Blvd. and Old Jamestown Road, and at West Ave. and 10th Street.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 3.5 hours before the alert went out and 145 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: 335 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 634 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 312 m²/s²
0-3 km storm-relative helicity: 335 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KOHX 250342
FFWBNA
TNC035-250730-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...RETRANSMISSION
NATIONAL WEATHER SERVICE NASHVILLE TN
928 PM CST SAT NOV 24 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR CUMBERLAND COUNTY

* UNTIL 135 AM CST

* AT 928 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF 
MODERATE TO HEAVY SHOWERS WITH EMBEDDED THUNDERSTORMS...MOVING 
TOWARD THE NORTHEAST AROUND 45 MPH. THE HEAVIEST RAINFALL WAS 
OCCURRING OVER CUMBERLAND COUNTY WITH HOURLY AMOUNTS AS HIGH AS 1 TO 
1.5 INCHES. MOST OF THE COUNTY HAD ALREADY RECEIVED AT LEAST 2 
INCHES OF RAINFALL DURING THE AFTERNOON AND EVENING.

* AREAS IN THE FLASH FLOOD WARNING INCLUDE CROSSVILLE...PLEASANT 
HILL...AND CRAB ORCHARD.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. 
DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS, OR WATERS OF UNKNOWN 
DEPTH BY FOOT OR AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT 
IMMEDIATELY AND SEEK HIGHER GROUND.
$$
MAR

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 8:01 PM CST	Flash Flood Warning	OHX	Coffee, Warren, White	3 hr
Nov 24, 8:11 PM CST	Severe Thunderstorm Warning	OHX	Grundy, Warren	34 min
Nov 24, 8:11 PM CST	Severe Thunderstorm Warning	OHX	Van Buren	34 min
Nov 24, 8:35 PM CST	Flash Flood Warning	OHX	Fentress, Overton, Putnam	3 hr
Nov 24, 9:28 PM CST	Flash Flood Warning	OHX	Fentress, Overton, Putnam	4 hr
Nov 24, 9:28 PM CST	Flash Flood Warning	OHX	Cumberland	4 hr

Nearby

Flash Flood Warnings in Tennessee, 2001 Every flash flood warning in 2001

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.