Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 377, NWS Jackson, MS

June 15, 1998Grenada County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 15, 1998, 6:27 PM CDT for Grenada 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
Jun 15, 1998, 6:27 PM CDT (23:27 UTC)
Expired
Jun 15, 1998, 7:00 PM CDT
In force
33 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Grenada County, MS

What was reported inside it

TimeReportWhereRemark
Jun 15, 6:35 PM CDTHail 1.75Gore Spgs, 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, 11.5 hours before the alert went out and 119 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 1998-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 1998-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939587897117Sfc1 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
1811 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
31 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.

000 
TTAA00 KJAN 152325 RRA
SVRJAN
MSC043-160000-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN GRENADA COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 700 PM CDT

* AT 626 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES
  SOUTHEAST OF GRENADA MOVING NORTHEAST AT 35 MPH.

* THIS STORM WILL MAINLY AFFECT SMALLER COMMUNITIES AND RURAL AREAS.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

64

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, 5:40 PM CDTSevere Thunderstorm WarningJANLeake50 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, 6:33 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.