Alert archive / Tennessee / Flash Flood Warnings in 1997

Flash Flood Warning 24, NWS Memphis, TN

March 5, 1997Shelby County, Tennessee; DeSoto County, Mississippi

NWS Memphis, TN issued this flash flood warning at Mar 5, 1997, 8:47 AM CST for Shelby County, Tennessee; DeSoto County, Mississippi. 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
Mar 5, 1997, 8:47 AM CST (14:47 UTC)
Expired
Mar 5, 1997, 11:20 AM CST
In force
3 hr
Issued by
NWS Memphis, TN
Area
Whole counties

Counties DeSoto County, MS, Shelby County, TN

The radar

The Memphis radar (KNQA), 36 km from the middle of the area, began a volume at 14:46 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, 2.8 hours before the alert went out and 22 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 1997-03-05Temperature 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°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 1997-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897117Sfc1 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
613 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
170 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 
TTAA00 KMEM 051448
FFWMEM
MSC033-TNC157-051720-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
847 AM CST WED MAR 5 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1120 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN MISSISSIPPI

   ...DE SOTO COUNTY

IN WESTERN TENNESSEE

   ...SHELBY COUNTY
 
THUNDERSTORMS PRODUCING ONE TO TWO INCHES OF RAIN PER HOUR ARE
OCCURRING OVER THE MEMPHIS METROPOLITAN AREA WITH WIDESPREAD STREET
FLOODING REPORTED. CARS ARE STALLED AT NORRIS AND I-240.

THUNDERSTORMS WILL CONTINUE THROUGH 1100 AM AND ADDITIONAL RAIN WILL
CREATE MORE FLOODING PROBLEMS ACROSS DESOTO AND SHELBY COUNTIES.

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

"&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 3:53 AM CSTFlash Flood WarningMEGCrockett, Dyer, Gibson, Lauderdale3 hr
Mar 5, 8:23 AM CSTFlash Flood WarningMEGFayette, Haywood4 hr
Mar 5, 8:23 AM CSTFlash Flood WarningMEGCarroll, Henderson, Madison4 hr
Mar 5, 8:57 AM CSTFlash Flood WarningMEGTipton2 hr
Mar 5, 9:05 AM CSTFlash Flood WarningMEGChester, Hardeman, McNairy3 hr
Mar 5, 9:36 AM CSTFlash Flood WarningMEGHardin4 hr
Mar 5, 8:40 AM CSTFlash Flood WarningMEGTunica4 hr
Mar 5, 8:53 AM CSTFlash Flood WarningMEGTate3 hr
Mar 5, 9:05 AM CSTFlash Flood WarningMEGCoahoma3 hr
Mar 5, 9:05 AM CSTFlash Flood WarningMEGBenton, Marshall3 hr
Mar 5, 9:36 AM CSTFlash Flood WarningMEGLafayette, Panola4 hr
Mar 5, 9:36 AM CSTFlash Flood WarningMEGTippah4 hr
Mar 5, 9:36 AM CSTFlash Flood WarningMEGQuitman4 hr
Mar 5, 10:17 AM CSTFlash Flood WarningMEGAlcorn4 hr
Mar 5, 11:39 AM CSTSevere Thunderstorm WarningMEGPontotoc31 min
Mar 5, 11:51 AM CSTSevere Thunderstorm WarningMEGLee34 min
Mar 5, 11:58 AM CSTTornado WarningMEGLee32 min
Mar 5, 12:13 PM CSTSevere Thunderstorm WarningMEGItawamba32 min
Mar 5, 12:23 PM CSTSevere Thunderstorm WarningMEGTishomingo32 min

Nearby

Flash Flood Warnings in Tennessee, 1997Flash Flood Warnings in Mississippi, 1997Every flash flood warning in 1997

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.