Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 12, NWS Jackson, MS

February 10, 1998Tensas Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Feb 10, 1998, 4:36 PM CST for Tensas Parish, Louisiana. It was in force for 54 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
Feb 10, 1998, 4:36 PM CST (22:36 UTC)
Expired
Feb 10, 1998, 5:30 PM CST
In force
54 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Tensas Parish, LA

What was reported inside it

TimeReportWhereRemark
Feb 10, 4:50 PM CSTThunderstorm WindSomerset, LASeveral 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
Feb 10, 2:45 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.6 hours before the alert went out and 124 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 1998-02-10Temperature 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 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 1998-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 360 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
647 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
360 m²/s²
0-3 km storm-relative helicity
372 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Special weather statement, Feb 10, 3:35 PM CST, 1 hour 1 minute before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ001>067-072>076-078-079-
110530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
335 PM CST TUE FEB 10 1998

...OUTBREAK OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS AND POSSIBLE
TORNADOES TONIGHT...

...A HIGH RISK OF SEVERE THUNDERSTORMS PRODUCING TORNADOES EXISTS OVER
PARTS OF NORTHEAST LOUISIANA...CENTRAL AND SOUTH MISSISSIPPI TONIGHT...

...WIND ADVISORY IN EFFECT FOR AREA LAKES THROUGH TONIGHT...

A VERY STRONG COLD FRONT IS NOW RACING ACROSS CENTRAL LOUISIANA. A LINE
OF SEVERE THUNDERSTORMS EXTENDING FROM NEAR MONROE TO ALEXANDRIA TO BATON
ROUGE IN LOUISIANA HAS PRODUCED SURFACE WIND GUSTS OF UP TO 100 MPH WITH
NUMEROUS REPORTS OF WIND DAMAGE. THIS LINE WILL MOVE INTO NORTHEAST
LOUISIANA AND SOUTHEAST ARKANSAS BY LATE AFTERNOON AND SWEEP ACROSS
MISSISSIPPI THROUGH EARLY TO LATE EVENING.

A WIND ADVISORY IS IN EFFECT FOR SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA
AND MISSISSIPPI TONIGHT. THE COLD FRONT OVER THE LOWER MISSISSIPPI VALLEY
WILL CONTINUE TO STRENGTHEN THIS EVENING AS SOUTHERLY SURFACE WINDS
INCREASE OVER THE DEEP SOUTH TO BETWEEN 20 AND 30 MPH WITH HIGHER GUSTS
THROUGH TONIGHT. BOATERS ARE DISCOURAGED FROM VENTURING ONTO AREA LAKES
TONIGHT AS WATERS WILL BE UNSETTLED AND CHOPPY.

PEOPLE IN SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND MISSISSIPPI SHOULD
STAY AWARE OF THIS DEVELOPING SEVERE WEATHER THREAT THROUGH TONIGHT. STAY
TUNED TO NOAA WEATHER RADIO...EMERGENCY MANAGEMENT OFFICIALS...THE LOCAL
NEWS MEDIA...TELEVISION OR CABLE T.V. FOR FURTHER UPDATES AND STATEMENTS.
Special weather statement, Feb 10, 3:35 PM CST, 1 hour 1 minute before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ001>067-072>076-078-079-
110530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
335 PM CST TUE FEB 10 1998

...OUTBREAK OF SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS AND POSSIBLE
TORNADOES TONIGHT...

...A HIGH RISK OF SEVERE THUNDERSTORMS PRODUCING TORNADOES EXISTS OVER
PARTS OF NORTHEAST LOUISIANA...CENTRAL AND SOUTH MISSISSIPPI TONIGHT...

...WIND ADVISORY IN EFFECT FOR AREA LAKES THROUGH TONIGHT...

A VERY STRONG COLD FRONT IS NOW RACING ACROSS CENTRAL LOUISIANA. A LINE
OF SEVERE THUNDERSTORMS EXTENDING FROM NEAR MONROE TO ALEXANDRIA TO BATON
ROUGE IN LOUISIANA HAS PRODUCED SURFACE WIND GUSTS OF UP TO 100 MPH WITH
NUMEROUS REPORTS OF WIND DAMAGE. THIS LINE WILL MOVE INTO NORTHEAST
LOUISIANA AND SOUTHEAST ARKANSAS BY LATE AFTERNOON AND SWEEP ACROSS
MISSISSIPPI THROUGH EARLY TO LATE EVENING.

A WIND ADVISORY IS IN EFFECT FOR SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA
AND MISSISSIPPI TONIGHT. THE COLD FRONT OVER THE LOWER MISSISSIPPI VALLEY
WILL CONTINUE TO STRENGTHEN THIS EVENING AS SOUTHERLY SURFACE WINDS
INCREASE OVER THE DEEP SOUTH TO BETWEEN 20 AND 30 MPH WITH HIGHER GUSTS
THROUGH TONIGHT. BOATERS ARE DISCOURAGED FROM VENTURING ONTO AREA LAKES
TONIGHT AS WATERS WILL BE UNSETTLED AND CHOPPY.

PEOPLE IN SOUTHEAST ARKANSAS...NORTHEAST LOUISIANA AND MISSISSIPPI SHOULD
STAY AWARE OF THIS DEVELOPING SEVERE WEATHER THREAT THROUGH TONIGHT. STAY
TUNED TO NOAA WEATHER RADIO...EMERGENCY MANAGEMENT OFFICIALS...THE LOCAL
NEWS MEDIA...TELEVISION OR CABLE T.V. FOR FURTHER UPDATES AND STATEMENTS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 4:32 PM CSTSevere Thunderstorm WarningJANAdams28 min
Feb 10, 5:00 PM CSTSevere Thunderstorm WarningJANAdams30 min
Feb 10, 5:25 PM CSTSevere Thunderstorm WarningJANClaiborne, Issaquena, Warren35 min
Feb 10, 5:25 PM CSTSevere Thunderstorm WarningJANSharkey, Washington35 min
Feb 10, 5:25 PM CSTSevere Thunderstorm WarningJANJefferson35 min
Feb 10, 5:37 PM CSTTornado WarningJANIssaquena, Washington53 min
Feb 10, 5:57 PM CSTSevere Thunderstorm WarningJANBolivar48 min
Feb 10, 4:11 PM CSTSevere Thunderstorm WarningJANMorehouse, Richland49 min
Feb 10, 4:11 PM CSTSevere Thunderstorm WarningJANCatahoula, Franklin49 min
Feb 10, 4:36 PM CSTSevere Thunderstorm WarningJANEast Carroll, Madison, West Carroll54 min
Feb 10, 4:40 PM CSTSevere Thunderstorm WarningJANAshley, Chicot50 min
Feb 10, 4:49 PM CSTTornado WarningJANAshley26 min
Feb 10, 5:09 PM CSTTornado WarningJANChicot36 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.