Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 97, NWS Memphis, TN

March 28, 1997McNairy County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 28, 1997, 7:41 PM CST for McNairy County, Tennessee. It was in force for 34 min. 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 28, 1997, 7:41 PM CST (01:41 UTC)
Expired
Mar 28, 1997, 8:15 PM CST
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County McNairy County, TN

The radar

The Memphis radar (KNQA), 120 km from the middle of the area, began a volume at 01:42 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 28, 5:30 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.7 hours before the alert went out and 132 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 1997-03-29Temperature 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 1997-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2379 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
183 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 290141 RRA
SVRMEM
TNC109-290215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
741 PM CST FRI MAR 28 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...MCNAIRY COUNTY
 
AT 738 PM..DOPPLER RADAR INDICATED A NEW SEVERE THUNDERSTORM
DEVELOPING OVER MCNAIRY COUNTY NEAR ADAMSVILLE. ANOTHER SEVERE
STORM CONTINUED NEAR RAMER. BOTH STORMS ARE MOVING NORTHEAST AT 45
MPH AND WILL AFFECT MAINLY EASTERN SECTIONS OF MCNAIRY COUNTY.

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 6:09 PM CSTSevere Thunderstorm WarningMEGMadison46 min
Mar 28, 6:12 PM CSTSevere Thunderstorm WarningMEGFayette, Hardeman33 min
Mar 28, 6:18 PM CSTSevere Thunderstorm WarningMEGCarroll, Henry32 min
Mar 28, 6:47 PM CSTSevere Thunderstorm WarningMEGChester, McNairy48 min
Mar 28, 7:05 PM CSTTornado WarningMEGMcNairy35 min
Mar 28, 7:18 PM CSTSevere Thunderstorm WarningMEGHardeman, McNairy47 min
Mar 28, 7:27 PM CSTTornado WarningMEGHardin33 min
Mar 28, 8:07 PM CSTSevere Thunderstorm WarningMEGHardin33 min
Mar 28, 8:17 PM CSTTornado WarningMEGHardin33 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm 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.