Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 149, NWS Memphis, TN

May 26, 1997Obion County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 26, 1997, 8:24 AM CDT for Obion County, Tennessee. It was in force for 36 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
May 26, 1997, 8:24 AM CDT (13:24 UTC)
Expired
May 26, 1997, 9:00 AM CDT
In force
36 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Obion County, TN

The radar

The Paducah radar (KPAH), 86 km from the middle of the area, began a volume at 13:24 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, 1.4 hours before the alert went out and 185 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 1997-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2792 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 1997-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.193958Sfc1 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
2792 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
536 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

832 
WUUS1 KMEM 261325 RRA
SVRMEM
TNC131-261400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
824 AM CDT MON MAY 26 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...OBION COUNTY
 
AT 823 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
LARGE HAIL WEST OF TROY MOVING SOUTHEAST AT 15 MILES AN HOUR. THIS
STORM WILL PASS NEAR POLK BETWEEN 830 AM AND 845 AM. THE MAIN THREAT
FROM THIS SEVERE THUNDERSTORM IS LARGE HAIL.

.WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:18 AM CDTSevere Thunderstorm WarningMEGCarroll, Henry32 min
May 26, 4:48 PM CDTSevere Thunderstorm WarningMEGLake32 min
May 26, 4:58 PM CDTTornado WarningMEGLake32 min
May 26, 5:07 PM CDTSevere Thunderstorm WarningMEGObion48 min
May 26, 5:37 PM CDTSevere Thunderstorm WarningMEGDyer, Gibson48 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.