Alert archive / Tennessee / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 45, NWS Memphis, TN

April 20, 1995Shelby County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 20, 1995, 1:30 AM CDT for Shelby County, Tennessee. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1995, 1:30 AM CDT (06:30 UTC)
Expired
Apr 20, 1995, 2:00 AM CDT
In force
30 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Shelby County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.5 hours before the alert went out and 40 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 1995-04-20Temperature 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 1995-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 423 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
1139 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
423 m²/s²
0-3 km storm-relative helicity
506 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMEM 200630
SVRMEM
TNC157-200700-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
130 AM CDT THU APR 20 1995
 
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  200 AM CDT
FOR PERSONS IN THE FOLLOWING LOCATIONS......
 
IN WEST TENNESSEE
 
   ...SHELBY COUNTY
 
AT 130 AM MEMPHIS DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN
MEMPHIS MOVING NORTHEAST AT 30 MPH. THE STORM WILL MOVE ACROSS BARTLETT
BY 145 AM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:25 PM CDTSevere Thunderstorm WarningMEGHardin, McNairy35 min
Apr 19, 11:03 PM CDTSevere Thunderstorm WarningMEGDecatur27 min
Apr 19, 11:21 PM CDTTornado WarningMEGLake32 min
Apr 20, 5:10 AM CDTSevere Thunderstorm WarningMEGTipton50 min
Apr 20, 6:36 AM CDTSevere Thunderstorm WarningMEGFayette, Haywood54 min
Apr 20, 6:51 AM CDTSevere Thunderstorm WarningMEGHardeman39 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1995Every severe thunderstorm warning in 1995

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.