Alert archive / Tennessee / Flash Flood Warnings in 1997

Flash Flood Warning 20, NWS Memphis, TN

March 5, 19974 counties in Tennessee

NWS Memphis, TN issued this flash flood warning at Mar 5, 1997, 3:53 AM CST 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 counties it named.

The facts

Issued
Mar 5, 1997, 3:53 AM CST (09:53 UTC)
Expired
Mar 5, 1997, 7:00 AM CST
In force
3 hr
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Crockett County, TN, Dyer County, TN, Gibson County, TN, Lauderdale County, TN

The radar

The Memphis radar (KNQA), 82 km from the middle of the area, began a volume at 09:56 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 00:00Z, 9.9 hours before the alert went out and 134 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 00:00Z 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 00:00Z on 1997-03-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897Sfc1 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
2447 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
209 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 050954
FFWMEM
TNC033-045-053-097-051300-

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

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 700 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...CROCKETT COUNTY
   ...DYER COUNTY
   ...GIBSON COUNTY
   ...LAUDERDALE COUNTY
 
AT 350 AM CST...THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING
ACROSS NORTHWEST TENNESSEE...WHERE ONE TO ONE AND ONE HALF INCHES
OF RAIN HAS FALLEN SINCE 2 AM. AN ADDITIONAL INCH OF RAIN IS
POSSIBLE THROUGH 7 AM. THIS WILL AGGRAVATE EXISTING FLOODING
PROBLEMS...AS WELL AS PRODUCING SOME FLASH FLOODING IN LOW LYING
AREAS.

.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLASH FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY.
MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 5, 8:23 AM CSTFlash Flood WarningMEGFayette, Haywood4 hr
Mar 5, 8:23 AM CSTFlash Flood WarningMEGCarroll, Henderson, Madison4 hr
Mar 5, 8:47 AM CSTFlash Flood WarningMEGShelby3 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

Nearby

Flash Flood Warnings in Tennessee, 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.