Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 554, NWS Jackson, MS

November 10, 1998Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 10, 1998, 9:07 AM CST for Webster County, Mississippi. It was in force for 48 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
Nov 10, 1998, 9:07 AM CST (15:07 UTC)
Expired
Nov 10, 1998, 9:55 AM CST
In force
48 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Webster County, MS

The radar

The Columbus AFB radar (KGWX), 94 km from the middle of the area, began a volume at 15:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Nov 10, 9:30 AM CSTThunderstorm WindMantee, MSSeveral trees and power lines 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
Nov 10, 6:15 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 3.1 hours before the alert went out and 148 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 1998-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 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 1998-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -271 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
1639 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-271 m²/s²
0-3 km storm-relative helicity
-102 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.

612 
WUUS1 KJAN 101510 RRA
SVRJAN
MSC155-101555-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
907 AM CST TUE NOV 10 1998

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 955 AM CST

* AT 904 AM CST... RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS 9
  MILES WEST OF EUPORA... MOVING EAST AT 45 MPH.

* THE FOLLOWING LOCATION IS IN THE PATH OF THIS STORM...
  BELFONTAIN AT THIS TIME
  TOMNOLAN AT 910 AM CST
  EUPORA AT 915 AM CST

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

76

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 10, 6:30 AM CSTSevere Thunderstorm WarningJANBolivar45 min
Nov 10, 7:20 AM CSTSevere Thunderstorm WarningJANIssaquena, Washington50 min
Nov 10, 7:44 AM CSTTornado WarningJANHumphreys, Sharkey31 min
Nov 10, 8:07 AM CSTSevere Thunderstorm WarningJANHolmes48 min
Nov 10, 8:14 AM CSTSevere Thunderstorm WarningJANYazoo31 min
Nov 10, 8:23 AM CSTSevere Thunderstorm WarningJANCarroll, Grenada, Montgomery47 min
Nov 10, 8:33 AM CSTTornado WarningJANAttala47 min
Nov 10, 8:42 AM CSTSevere Thunderstorm WarningJANAdams48 min
Nov 10, 8:44 AM CSTSevere Thunderstorm WarningJANMadison51 min
Nov 10, 8:49 AM CSTTornado WarningJANMadison36 min
Nov 10, 8:57 AM CSTSevere Thunderstorm WarningJANChoctaw48 min
Nov 10, 9:15 AM CSTSevere Thunderstorm WarningJANLeake50 min
Nov 10, 9:19 AM CSTSevere Thunderstorm WarningJANHinds51 min
Nov 10, 9:24 AM CSTSevere Thunderstorm WarningJANOktibbeha, Winston51 min
Nov 10, 9:24 AM CSTSevere Thunderstorm WarningJANClay51 min
Nov 10, 9:26 AM CSTSevere Thunderstorm WarningJANRankin49 min
Nov 10, 9:29 AM CSTSevere Thunderstorm WarningJANMadison46 min
Nov 10, 10:22 AM CSTSevere Thunderstorm WarningJANLowndes48 min
Nov 10, 10:47 AM CSTSevere Thunderstorm WarningJANScott, Smith48 min
Nov 10, 11:04 AM CSTSevere Thunderstorm WarningJANLawrence, Simpson46 min
Nov 10, 11:30 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis50 min
Nov 10, 12:13 PM CSTSevere Thunderstorm WarningJANJones47 min
Nov 10, 12:23 PM CSTSevere Thunderstorm WarningJANLamar52 min
Nov 10, 12:31 PM CSTSevere Thunderstorm WarningJANForrest49 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; radar from the NEXRAD Level II archive.