Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 59, NWS Memphis, TN

March 1, 1997Haywood County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 1, 1997, 3:51 PM CST for Haywood 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 1, 1997, 3:51 PM CST (21:51 UTC)
Expired
Mar 1, 1997, 4:25 PM CST
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Haywood County, TN

The radar

The Memphis radar (KNQA), 60 km from the middle of the area, began a volume at 21:52 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 1, 2:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.9 hours before the alert went out and 103 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 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1288 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 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
1288 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
1.9
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 012151 RRA
SVRMEM
TNC075-012225-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
351 PM CST SAT MAR 1 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 425 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...NORTHERN HAYWOOD COUNTY
 
AT 349 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
WEATHER RADAR 10 MILES NORTH OF BROWNSVILLE OR 4 MILES NORTH OF
BELLE EAGLE MOVING NORTHEAST AT 45 MPH.

THIS STORM WILL PASS NEAR FORKED DEER BETWEEN 355 PM AND 410 PM.

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONA^LLY 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
Feb 28, 6:08 PM CSTSevere Thunderstorm WarningMEGCrockett32 min
Feb 28, 6:28 PM CSTSevere Thunderstorm WarningMEGTipton32 min
Feb 28, 6:35 PM CSTSevere Thunderstorm WarningMEGLauderdale35 min
Feb 28, 6:54 PM CSTSevere Thunderstorm WarningMEGFayette31 min
Mar 1, 12:35 AM CSTSevere Thunderstorm WarningMEGHardin35 min
Mar 1, 2:38 AM CSTFlash Flood WarningMEGChester92 min
Mar 1, 2:59 AM CSTTornado WarningMEGHardin21 min
Mar 1, 3:33 AM CSTFlash Flood WarningMEGFayette, Hardeman2 hr
Mar 1, 3:42 AM CSTFlash Flood WarningMEGMadison2 hr
Mar 1, 4:47 AM CSTFlash Flood WarningMEGHenderson2 hr
Mar 1, 9:09 AM CSTSevere Thunderstorm WarningMEGHenry31 min
Mar 1, 3:55 PM CSTSevere Thunderstorm WarningMEGCrockett35 min
Mar 1, 4:15 PM CSTTornado WarningMEGCrockett, Gibson35 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.