Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 20, NWS Memphis, TN

May 17, 20024 counties in Tennessee

NWS Memphis, TN issued this flash flood warning at May 17, 2002, 7:07 AM CDT for 4 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 outline as issued.

The facts

Issued
May 17, 2002, 7:07 AM CDT (12:07 UTC)
Expired
May 17, 2002, 10:00 AM CDT
In force
3 hr
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

Counties Henry County, TN, Lake County, TN, Obion County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 78 km from the middle of the area, began a volume at 12:07 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, 0.1 hours before the alert went out and 187 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 2002-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 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 2002-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.193958Sfc1 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
17 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1181 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
110 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 KMEG 171207
FFWMEM
TNC079-095-131-183-171500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
705 AM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HENRY COUNTY IN NORTHWEST TENNESSEE
  LAKE COUNTY IN NORTHWEST TENNESSEE
  OBION COUNTY IN NORTHWEST TENNESSEE
  WEAKLEY COUNTY IN NORTHWEST TENNESSEE

* UNTIL 1000 AM CDT.

* AT 656 AM CDT...WEATHER RADAR INDICATED THUNDERSTORMS WITH VERY 
HEAVY RAIN CONTINUING ACROSS NORTHERN WEST TENNESSEE. TWO TO FOUR 
INCHES OF RAIN HAS LIKELY OCCURRED SINCE 4 AM CDT. ADDITIONAL 
THUNDERSTORMS WITH VERY HEAVY RAIN PRODUCING ANOTHER ONE TO THREE 
INCHES OF RAIN ARE POSSIBLE THROUGH AT LEAST 9 AM CDT. 

IN ADDITION...LOCAL LAW ENFORCEMENT REPORTED WATER ACROSS ROADS IN 
OBION COUNTY. 

* CITIES AFFECTED THROUGH 1000 AM CDT INCLUDE...
  UNION CITY...TROY...TIPTONVILLE...SPRINGVILLE...SOUTH FULTON...
  SHARON...ROUTON...RIDGELY...PARIS...PALMERSVILLE...OBION...
  MARTIN...KENTON...GLEASON...DRESDEN

.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3650 8806 3613 8812 3619 8964 3652 8945

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 6:18 AM CDTSevere Thunderstorm WarningMEGGibson, Obion27 min
May 17, 8:41 AM CDTFlash Flood WarningMEGGibson2 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.