Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 52, NWS Memphis, TN

April 8, 1998DeSoto County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 8, 1998, 9:23 AM CDT for DeSoto County, Mississippi. It was in force for 32 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
Apr 8, 1998, 9:23 AM CDT (14:23 UTC)
Expired
Apr 8, 1998, 9:55 AM CDT
In force
32 min
Issued by
NWS Memphis, TN
Area
Whole counties

County DeSoto County, MS

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 8, 7:45 AM CDTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 2.4 hours before the alert went out and 6 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 1998-04-08Temperature 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 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.1939587897117136Sfc1 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
2519 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
224 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.

039 
WUUS1 KMEM 081424 RRA
SVRMEM
MSC033-081455-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
923 AM CDT WED APR 8 1998


THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 955 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN MISSISSIPPI

   ...DE SOTO COUNTY


AT 921 AM CDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
LARGE HAIL AND DAMAGING WINDS 5 MILES NORTHEAST OF HERNANDO MOVING
EAST AT 45 MPH.

THIS STORM WILL PASS NEAR OLIVE BRANCH BY 925 AM CDT.

.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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 8, 4:51 AM CDT, 4 hours 32 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-030-031-TNZ001>004-019>021-048>054-088>092-081520-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
451 AM CDT WED APR 8 1998

  ...SIGNIFICANT SEVERE WEATHER POSSIBLE OVER THE MID SOUTH TODAY...

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN MEMPHIS TENNESSEE..INCLUDING WEST
TENNESSEE..NORTH MISSISSIPPI..EAST ARKANSAS AND THE MISSOURI
BOOTHEEL.

THERE IS A HIGH RISK OF SEVERE WEATHER ACROSS NORTH MISSISSIPPI
TODAY..AND A SLIGHT RISK OF SEVERE WEATHER ACROSS WEST TENNESSEE
AND PORTIONS OF EAST ARKANSAS.

AN INTENSE LOW PRESSURE AREA OVER THE MID MISSISSIPPI VALLEY WILL
MOVE SLOWLY EASTWARD AND CONTINUE TO CAUSE INCREASING SOUTHERLY
WINDS OVER THE LOWER MISSISSIPPI VALLEY AND THE SOUTHEASTERN STATES.
AS A RESULT MORE HUMID AIR WILL BE BROUGHT INTO THE MID SOUTH AREA.
TOGETHER WITH COLD AIR AND VERY STRONG WINDS ALOFT...THE ATMOSPHERE
WILL BECOME VERY UNSTABLE AND THEREFORE VERY FAVORABLE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS TODAY.

THUNDERSTORMS DEVELOPING OVER CENTRAL AND EASTERN TEXAS WILL SPREAD
EASTWARD ACROSS LOUISIANA AND SOUTHERN ARKANSAS THIS MORNING AND
INTO MISSISSIPPI. THE HIGHEST PROBABILITY OF SEVERE WEATHER IN THE
MID SOUTH IS EXPECTED TO BE ACROSS NORTHERN MISSISSIPPI THIS
AFTERNOON. HOWEVER..THERE IS STILL A RISK OF SEVERE THUNDERSTORMS
ACROSS WEST TENNESSEE AND PORTIONS OF NORTHEAST ARKANSAS.

LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH ANY SEVERE STORMS
ACROSS THE MID SOUTH TODAY..WITH THE POTENTIAL FOR A FEW
TORNADOES..ESPECIALLY ACROSS NORTH MISSISSIPPI.

LAW ENFORCEMENT AGENCIES..EMERGENCY MANAGEMENT OFFICIALS..STORM
SPOTTER GROUPS..AND OTHER INTERESTED CONCERNS SHOULD MONITOR THE
LATEST WEATHER INFORMATION.
Special weather statement, Apr 8, 4:51 AM CDT, 4 hours 32 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-030-031-TNZ001>004-019>021-048>054-088>092-081520-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
451 AM CDT WED APR 8 1998

  ...SIGNIFICANT SEVERE WEATHER POSSIBLE OVER THE MID SOUTH TODAY...

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN MEMPHIS TENNESSEE..INCLUDING WEST
TENNESSEE..NORTH MISSISSIPPI..EAST ARKANSAS AND THE MISSOURI
BOOTHEEL.

THERE IS A HIGH RISK OF SEVERE WEATHER ACROSS NORTH MISSISSIPPI
TODAY..AND A SLIGHT RISK OF SEVERE WEATHER ACROSS WEST TENNESSEE
AND PORTIONS OF EAST ARKANSAS.

AN INTENSE LOW PRESSURE AREA OVER THE MID MISSISSIPPI VALLEY WILL
MOVE SLOWLY EASTWARD AND CONTINUE TO CAUSE INCREASING SOUTHERLY
WINDS OVER THE LOWER MISSISSIPPI VALLEY AND THE SOUTHEASTERN STATES.
AS A RESULT MORE HUMID AIR WILL BE BROUGHT INTO THE MID SOUTH AREA.
TOGETHER WITH COLD AIR AND VERY STRONG WINDS ALOFT...THE ATMOSPHERE
WILL BECOME VERY UNSTABLE AND THEREFORE VERY FAVORABLE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS TODAY.

THUNDERSTORMS DEVELOPING OVER CENTRAL AND EASTERN TEXAS WILL SPREAD
EASTWARD ACROSS LOUISIANA AND SOUTHERN ARKANSAS THIS MORNING AND
INTO MISSISSIPPI. THE HIGHEST PROBABILITY OF SEVERE WEATHER IN THE
MID SOUTH IS EXPECTED TO BE ACROSS NORTHERN MISSISSIPPI THIS
AFTERNOON. HOWEVER..THERE IS STILL A RISK OF SEVERE THUNDERSTORMS
ACROSS WEST TENNESSEE AND PORTIONS OF NORTHEAST ARKANSAS.

LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH ANY SEVERE STORMS
ACROSS THE MID SOUTH TODAY..WITH THE POTENTIAL FOR A FEW
TORNADOES..ESPECIALLY ACROSS NORTH MISSISSIPPI.

LAW ENFORCEMENT AGENCIES..EMERGENCY MANAGEMENT OFFICIALS..STORM
SPOTTER GROUPS..AND OTHER INTERESTED CONCERNS SHOULD MONITOR THE
LATEST WEATHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 8:34 AM CDTSevere Thunderstorm WarningMEGCoahoma31 min
Apr 8, 9:05 AM CDTSevere Thunderstorm WarningMEGCoahoma, Quitman50 min
Apr 8, 5:04 PM CDTSevere Thunderstorm WarningMEGAlcorn31 min
Apr 8, 5:44 PM CDTSevere Thunderstorm WarningMEGLafayette46 min
Apr 8, 5:59 PM CDTTornado WarningMEGLafayette31 min
Apr 8, 6:09 PM CDTTornado WarningMEGPontotoc31 min
Apr 8, 6:18 PM CDTSevere Thunderstorm WarningMEGUnion32 min
Apr 8, 6:21 PM CDTTornado WarningMEGUnion34 min
Apr 8, 6:33 PM CDTTornado WarningMEGLee32 min
Apr 8, 6:39 PM CDTTornado WarningMEGItawamba, Prentiss46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998

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.