Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 239, NWS Memphis, TN

May 28, 1998Union County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at May 28, 1998, 5:56 PM CDT for Union County, Mississippi. It was in force for 34 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 28, 1998, 5:56 PM CDT (22:56 UTC)
Expired
May 28, 1998, 6:30 PM CDT
In force
34 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Union County, MS

What was reported inside it

TimeReportWhereRemark
May 28, 6:15 PM CDTHail 1.75Ingomar, MSHail ranging from dime to golf ball size fell in Ingomar.
May 28, 6:35 PM CDTHail 1.75New Albany, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.9 hours before the alert went out and 94 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 1998-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 873 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 1998-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
873 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
578 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

805 
WUUS1 KMEM 282258 RRA
SVRMEM
MSC145-282330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
556 PM CDT THU MAY 28 1998


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  UNION COUNTY IN NORTHEASTERN MISSISSIPPI

* UNTIL 630 PM CDT

* AT 554 PM CDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH LARGE HAIL AND DAMAGING WINDS NEAR ECRU MOVING NORTH AROUND
  10 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  NEW ALBANY BY 615 PM CDT

THIS STORM HAS A HISTORY OF PRODUCING GOLF BALL SIZED HAIL AND
DAMAGING WINDS IN PONTOTOC COUNTY.

.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 28, 4:04 PM CDTSevere Thunderstorm WarningMEGTate31 min
May 28, 4:30 PM CDTSevere Thunderstorm WarningMEGChickasaw, Pontotoc40 min
May 28, 4:46 PM CDTSevere Thunderstorm WarningMEGTate34 min
May 28, 5:21 PM CDTSevere Thunderstorm WarningMEGPontotoc49 min
May 28, 5:35 PM CDTSevere Thunderstorm WarningMEGCalhoun35 min
May 28, 6:09 PM CDTSevere Thunderstorm WarningMEGPontotoc31 min
May 28, 6:14 PM CDTSevere Thunderstorm WarningMEGChickasaw31 min
May 28, 6:15 PM CDTSevere Thunderstorm WarningMEGCoahoma, Tunica35 min
May 28, 6:26 PM CDTSevere Thunderstorm WarningMEGUnion34 min
May 28, 6:31 PM CDTSevere Thunderstorm WarningMEGClay34 min
May 28, 6:46 PM CDTSevere Thunderstorm WarningMEGTippah49 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.