Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 12, NWS Nashville, TN

January 24, 200232 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Jan 24, 2002, 7:57 AM CST for 32 counties in 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 counties it named.

The facts

Issued
Jan 24, 2002, 7:57 AM CST (13:57 UTC)
Expired
Jan 24, 2002, 11:00 AM CST
In force
3 hr
Issued by
NWS Nashville, TN
Area
Whole counties
All 32 counties

Bedford County, TN, Cannon County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Marshall County, TN, Maury County, TN, Moore County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Rutherford County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 56 km from the middle of the area, began a volume at 13:58 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, 2.0 hours before the alert went out and 49 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 12:00Z on 2002-01-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2002-01-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
-59 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 241357
FFWBNA

TNC003-015-027-031-035-037-041-049-051-055-061-087-099-101-103-111-
117-119-127-133-137-141-149-159-165-169-175-177-181-185-187-189-
241630-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
737 AM CST THU JAN 24 2002

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BEDFORD...CANNON...CLAY...COFFEE...CUMBERLAND...DAVIDSON 
  DE KALB...FENTRESS...FRANKLIN...GILES...GRUNDY...
  JACKSON...LAWRENCE...LEWIS...LINCOLN...MACON...MARSHALL...
  MAURY...MOORE...OVERTON...PICKETT...PUTNAM...RUTHERFORD...
  SMITH...SUMNER...TROUSDALE...VAN BUREN...WARREN...WAYNE...WHITE...
  WILLIAMSON...AND WILSON COUNTIES IN TENNESSEE

* UNTIL 1100 AM CST

* AT 745 AM CST...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY
  OVER THE EASTERN AND SOUTHERN HALVES OF MIDDLE TENNESSEE. THE RAINFALL
  COVERED THE AREA EAST OF A LINE FROM PORTLAND TO NASHVILLE TO WAYNESBORO.
  
  SINCE MIDNIGHT...1 TO 2 INCHES OF RAINFALL HAS OCCURRED OVER 
  MIDDLE TENNESSEE. THIS RAIN FELL ON ALREADY SATURATED GROUND
  WHICH HAD RECEIVED 3 TO 4 INCHES OF RAIN IN THE PREVIOUS 48 HOURS.
 
  LAW ENFORCEMENT HAS REPORTED FLOODING OF NUMEROUS AREA ROADWAYS
  WITH MANY RIVERS AND CREEKS AT OR ABOVE BANKFULL. 

  RAINFALL WILL TAPER OFF GRADUALLY FROM THE WEST AS A COLD FRONT MOVES 
  THROUGH THE AREA TODAY.  
  
A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IMMINENT. MOST
FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES,
DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS
A FLOWING STREAM, EVEN A SMALL ONE, ON FOOT. TO ESCAPE RISING WATER,
MOVE TO HIGHER GROUND.

$$

LAT...LON 3539 8804 3503 8798 3501 8589 3588 8475
          3667 8456 3664 8648 3641 8675 3606 8707
          3569 8732

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 24, 12:57 AM CSTSevere Thunderstorm WarningOHXStewart33 min
Jan 24, 3:21 AM CSTFlash Flood WarningOHXBenton, Cheatham, Dickson, Houston, Humphreys, Montgomery and 2 more54 min
Jan 24, 3:25 AM CSTFlash Flood WarningOHXBenton, Cheatham, Dickson, Houston, Humphreys, Montgomery and 2 more3 hr
Jan 24, 4:11 AM CSTFlash Flood WarningOHXClay, Davidson, Giles, Hickman, Jackson, Lawrence and 12 more4 hr
Jan 24, 5:31 AM CSTFlash Flood WarningOHXBedford, Cannon, Coffee, Cumberland, DeKalb, Fentress and 12 more4 hr
Jan 24, 12:12 PM CSTFlash Flood WarningOHXFranklin, Giles, Grundy, Lawrence, Lincoln, Wayne4 hr

Nearby

Flash Flood Warnings in Tennessee, 2002Every flash flood warning in 2002

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.