Alert archive / Mississippi / Tornado Warnings in 1998

Tornado Warning 37, NWS Jackson, MS

April 27, 1998Sunflower County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 27, 1998, 7:47 PM CDT for Sunflower County, Mississippi. It was in force for 33 min. 1 report 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
Apr 27, 1998, 7:47 PM CDT (00:47 UTC)
Expired
Apr 27, 1998, 8:20 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Sunflower County, MS

What was reported inside it

TimeReportWhereRemark
Apr 27, 7:55 PM CDTHail 1.25Ruleville, 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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 27, 3:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.8 hours before the alert went out and 149 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 00:00Z on 1998-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 21 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 1998-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.1939587897Sfc1 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
21 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
1140 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
26 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.

695 
WFUS1 KJAN 280049 RRA
TORJAN
MSC133-280120-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
747 PM CDT MON APR 27 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SUNFLOWER COUNTY IN NORTHWESTERN MISSISSIPPI

* UNTIL 820 PM CDT

* AT 745 PM CDT... A DEVELOPING TORNADO 15 MILES NORTH OF INDIANOLA
  OR 5 MILES SOUTHWEST OF RULEVILLE... INDICATED BY JACKSON WEATHER
  SERVICE DOPPLER RADAR... MOVING NORTHEAST 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  RULEVILLE                   BY 755 PM CDT
  DREW                        BY 800 PM CDT

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

76

IF YOU ARE CAUGHT OUTSIDE...SEEK SAFETY IN A NEARBY STURDY
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT...
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. BEWARE
THE THREAT OF RISING WATER.

&

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 7:23 PM CDTSevere Thunderstorm WarningJANSunflower47 min
Apr 27, 8:12 PM CDTSevere Thunderstorm WarningJANLeflore48 min
Apr 28, 12:20 AM CDTSevere Thunderstorm WarningJANAdams45 min
Apr 28, 12:30 AM CDTSevere Thunderstorm WarningJANClaiborne, Jefferson45 min
Apr 28, 12:49 AM CDTSevere Thunderstorm WarningJANWarren46 min
Apr 28, 1:12 AM CDTSevere Thunderstorm WarningJANHinds48 min
Apr 28, 1:46 AM CDTTornado WarningJANHinds34 min
Apr 28, 1:55 AM CDTTornado WarningJANMadison35 min
Apr 28, 2:16 AM CDTSevere Thunderstorm WarningJANMadison34 min
Apr 28, 3:24 AM CDTSevere Thunderstorm WarningJANMarion46 min
Apr 28, 4:04 AM CDTSevere Thunderstorm WarningJANLamar51 min
Apr 28, 4:22 AM CDTSevere Thunderstorm WarningJANForrest48 min

Nearby

Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes 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.