Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 366, NWS Jackson, MS

June 15, 1998Leake County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 15, 1998, 5:40 PM CDT for Leake County, Mississippi. It was in force for 50 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
Jun 15, 1998, 5:40 PM CDT (22:40 UTC)
Expired
Jun 15, 1998, 6:30 PM CDT
In force
50 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Leake County, MS

What was reported inside it

TimeReportWhereRemark
Jun 15, 5:59 PM CDTThunderstorm WindWalnut Grove, MSSeveral trees were blown down.
Jun 15, 6:00 PM CDTThunderstorm WindWalnut Grove, MSSeveral trees were blown down.

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
Jun 15, 3:45 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.7 hours before the alert went out and 71 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, Jackson, MS at 12:00Z on 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1196 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, Jackson, MS at 12:00Z on 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.19395878Sfc1 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
1196 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 152238 RRA
SVRJAN
MSC079-152330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
540 PM CDT MON JUN 15 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEAKE COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 630 PM CDT

* AT 539 PM CDT... RADAR INDICATED A RAPIDLY DEVELOPING SEVERE
  THUNDERSTORM 7 MILES SOUTH OF CARTHAGE OR 6 MILES NORTHWEST OF
  WALNUT GROVE MOVING EAST AT 25 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
  CARTHAGE                    BY 545 PM CDT
  WALNUT GROVE                BY 550 PM CDT

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECTT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

64

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

Local storm report, Jun 15, 11:45 AM CDT, 5 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1145 AM CDT MON JUN 15 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1200 AM    STEWART                   MS   WIND DAMAGE
06/15/98   MONTGOMERY                     TREES BLOWN DOWN. REPORTED
                                          BY MONTGOMERY SO.

1210 AM    6 E ETHEL                 MS   WIND DAMAGE
06/15/98   ATTALA                         TREES BLOWN DOWN. REPORTED
                                          BY THE PUBLIC.
Local storm report, Jun 15, 11:45 AM CDT, 5 hours 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1145 AM CDT MON JUN 15 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

1200 AM    STEWART                   MS   WIND DAMAGE
06/15/98   MONTGOMERY                     TREES BLOWN DOWN. REPORTED
                                          BY MONTGOMERY SO.

1210 AM    6 E ETHEL                 MS   WIND DAMAGE
06/15/98   ATTALA                         TREES BLOWN DOWN. REPORTED
                                          BY THE PUBLIC.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 11:35 PM CDTSevere Thunderstorm WarningJANMontgomery50 min
Jun 14, 11:46 PM CDTSevere Thunderstorm WarningJANAttala, Choctaw64 min
Jun 15, 2:06 AM CDTSevere Thunderstorm WarningJANHinds34 min
Jun 15, 2:15 AM CDTSevere Thunderstorm WarningJANRankin50 min
Jun 15, 4:32 AM CDTSevere Thunderstorm WarningJANLauderdale, Newton33 min
Jun 15, 3:29 PM CDTSevere Thunderstorm WarningJANIssaquena51 min
Jun 15, 3:49 PM CDTSevere Thunderstorm WarningJANSharkey51 min
Jun 15, 4:10 PM CDTTornado WarningJANIssaquena35 min
Jun 15, 4:25 PM CDTTornado WarningJANYazoo50 min
Jun 15, 4:54 PM CDTTornado WarningJANMadison36 min
Jun 15, 4:56 PM CDTSevere Thunderstorm WarningJANHumphreys34 min
Jun 15, 5:06 PM CDTSevere Thunderstorm WarningJANHolmes49 min
Jun 15, 5:25 PM CDTSevere Thunderstorm WarningJANCarroll35 min
Jun 15, 5:31 PM CDTTornado WarningJANMadison34 min
Jun 15, 5:34 PM CDTSevere Thunderstorm WarningJANSharkey36 min
Jun 15, 5:37 PM CDTTornado WarningJANRankin48 min
Jun 15, 5:45 PM CDTSevere Thunderstorm WarningJANLauderdale50 min
Jun 15, 5:49 PM CDTSevere Thunderstorm WarningJANHumphreys51 min
Jun 15, 5:57 PM CDTTornado WarningJANScott48 min
Jun 15, 6:00 PM CDTSevere Thunderstorm WarningJANCarroll, Montgomery50 min
Jun 15, 6:07 PM CDTSevere Thunderstorm WarningJANNeshoba33 min
Jun 15, 6:09 PM CDTSevere Thunderstorm WarningJANSharkey51 min
Jun 15, 6:12 PM CDTSevere Thunderstorm WarningJANYazoo48 min
Jun 15, 6:19 PM CDTSevere Thunderstorm WarningJANKemper51 min
Jun 15, 6:21 PM CDTSevere Thunderstorm WarningJANNewton49 min
Jun 15, 6:23 PM CDTTornado WarningJANYazoo32 min
Jun 15, 6:27 PM CDTSevere Thunderstorm WarningJANGrenada33 min
Jun 15, 6:33 PM CDTSevere Thunderstorm WarningJANHolmes47 min
Jun 15, 6:42 PM CDTSevere Thunderstorm WarningJANHumphreys48 min
Jun 15, 6:46 PM CDTSevere Thunderstorm WarningJANScott34 min
Jun 15, 6:48 PM CDTTornado WarningJANLauderdale47 min
Jun 15, 6:50 PM CDTSevere Thunderstorm WarningJANCarroll, Leflore50 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.