Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 29, NWS Memphis, TN

May 28, 2002Shelby County, Tennessee

NWS Memphis, TN issued this flash flood warning at May 28, 2002, 4:54 PM CDT for Shelby County, Tennessee. It was in force for 111 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
May 28, 2002, 4:54 PM CDT (21:54 UTC)
Expired
May 28, 2002, 6:45 PM CDT
In force
111 min
Issued by
NWS Memphis, TN
Area
Counties, with a storm outline in the text

County Shelby County, TN

The radar

The Memphis radar (KNQA), 16 km from the middle of the area, began a volume at 21:56 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

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 45 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, Little Rock, AR at 12:00Z on 2002-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 549 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2002-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 square meters per square second.1939Sfc1 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
549 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
107 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 282154
FFWMEM
TNC157-282345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
452 PM CDT TUE MAY 28 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SHELBY COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 645 PM CDT.

* AT 450 PM CDT...WEATHER RADAR INDICATED VERY HEAVY RAIN OVER       
  MEMPHIS NORTH INTO BARTLETT. RAINFALL ESTIMATES WERE ONE TO TWO    
  INCHES OVER THE PAST HALF HOUR.

IN ADDITION...THE PUBLIC REPORTED VERY HEAVY RAIN OVER THE WEST 
SIDE OF BARTLETT AS WELL NEAR THE MEMPHIS AIRPORT.

* CITIES AFFECTED THROUGH 645 PM CDT INCLUDE...
  WHITEHAVEN...SOUTHEAST MEMPHIS...MILLINGTON...LAKELAND...
  GERMANTOWN...FRAYSER...ELLENDALE...EADS...MEMPHIS...COLLIERVILLE...
  BOLTON...BARTLETT...ARLINGTON

.EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...EXCESSIVE PONDING OF WATER ON ROADS AND 
UNDERPASSES...AS WELL AS OTHER POOR DRAINAGE AREAS AND LOW LYING 
SPOTS.

.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. TO REPORT FLOODING ONLY...CALL 1 800 4 3 2 0
8 7 5.

LAT...LON 3537 8961 3499 8961 3498 9008 3537 9008

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 4:34 PM CDTFlash Flood WarningMEGObion116 min
May 28, 4:50 PM CDTSevere Thunderstorm WarningMEGShelby40 min

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.