Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 40, NWS Memphis, TN

April 3, 1998Lauderdale County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 3, 1998, 2:30 PM CST for Lauderdale County, Tennessee. It was in force for 45 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 3, 1998, 2:30 PM CST (20:30 UTC)
Expired: Apr 3, 1998, 3:15 PM CST
In force: 45 min
Issued by: NWS Memphis, TN
Area: Whole counties

County Lauderdale County, TN

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 12:45 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 8.5 hours before the alert went out and 107 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 177 J/kg
Mixed-layer CIN: -83 J/kg
Mixed-layer LCL: 1006 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 122 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 032030 RRA
SVRMEM
TNC097-032115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
230 PM CST FRI APR 3 1998


THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...LAUDERDALE COUNTY

A SEVERE THUNDERSTORM WAS MOVING ACROSS THE MISSISSIPPI RIVER AND
INTO WEST PARTS OF LAUDERDALE COUNTY AT 225 PM.  MOVING TOWARD THE
NORTHEAST AT 35 MPH .. THE STORM WILL BRING LARGE HAIL AND THE
POTENTIAL FOR DAMAGING WIND TO THE SOUTHWEST PART OF LAUDERDALE
COUNTY AROUND ASHPORT AND FORT PILLOW BY 245 PM.. AND MOVE NORTH OF
RIPLEY BETWEEN 250 PM AND 300 PM.

.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.

Issued	Product	Office	Counties	Lasted
Apr 3, 12:08 PM CST	Severe Thunderstorm Warning	MEG	Gibson, Weakley	47 min
Apr 3, 12:14 PM CST	Severe Thunderstorm Warning	MEG	Carroll	51 min
Apr 3, 12:31 PM CST	Tornado Warning	MEG	Weakley	34 min
Apr 3, 12:49 PM CST	Tornado Warning	MEG	Henry	31 min
Apr 3, 2:37 PM CST	Severe Thunderstorm Warning	MEG	Tipton	48 min
Apr 3, 2:47 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Haywood	33 min
Apr 3, 3:20 PM CST	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood	30 min
Apr 3, 3:26 PM CST	Severe Thunderstorm Warning	MEG	Dyer, Gibson	34 min
Apr 3, 3:56 PM CST	Severe Thunderstorm Warning	MEG	Chester, Henderson	34 min
Apr 3, 4:11 PM CST	Severe Thunderstorm Warning	MEG	Hardin, McNairy	44 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 1998 Every 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.