Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 115, NWS Jackson, MS

March 7, 1998Concordia Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Mar 7, 1998, 4:13 PM CST for Concordia Parish, Louisiana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 7, 1998, 4:13 PM CST (22:13 UTC)
Expired
Mar 7, 1998, 5:00 PM CST
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Concordia Parish, LA

The watch it was issued in

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

IssuedProductOfficeLasted
Mar 7, 12:30 PM CSTSevere Thunderstorm WatchSPC6 hr
Mar 7, 3:30 PM CSTTornado WatchSPC4 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 10.2 hours before the alert went out and 176 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 1998-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 1998-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
2 J/kg
Mixed-layer CIN
-286 J/kg
Mixed-layer LCL
599 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
281 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, Mar 7, 11:10 AM CST, 5 hours 3 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CST SAT MAR 7 1998

...SEVERE THUNDERSTORM WATCH 84 HAS EXPIRED...
...ADDITIONAL WEATHER WATCHES LIKELY LATER TODAY...

A LARGE AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED MOVING TOWARD
THE NORTHEAST ACROSS MISSISSIPPI...NORTHEAST LOUISIANA AND SOUTHEAST
ARKANSAS.  MOST OF THE THUNDERSTORMS HAVE TENDED TO WEAKEN SLIGHTLY
LATE THIS MORNING AND THE SEVERE THUNDERSTORM WATCH HAS BEEN ALLOWED TO
EXPIRE FOR NOW.  AS THE AIRMASS BECOMES EVEN MORE UNSTABLE LATER TODAY...
ADDITIONAL SEVERE WEATHER WATCHES ARE EXPECTED. A STRONG JET STREAM
COMBINING WITH MOIST UNSTABLE AIR WILL FUEL THE REDEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS FROM MID AFTERNOON THROUGH TONIGHT.

THE MAIN THREAT FROM THE LATER STORMS WILL BE DAMAGING WINDS AND LARGE
HAIL HOWEVER...A FEW TORNADOES ARE ALSO POSSIBLE.

RESIDENTS IN THE ARKLAMS REGION SHOULD STAY TUNED FOR LATER STATEMENTS
...WATCHES AND WARNINGS AS THIS IS POTENTIALLY A VERY DANGEROUS SYSTEM.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL AGAIN BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)
Special weather statement, Mar 7, 11:10 AM CST, 5 hours 3 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CST SAT MAR 7 1998

...SEVERE THUNDERSTORM WATCH 84 HAS EXPIRED...
...ADDITIONAL WEATHER WATCHES LIKELY LATER TODAY...

A LARGE AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED MOVING TOWARD
THE NORTHEAST ACROSS MISSISSIPPI...NORTHEAST LOUISIANA AND SOUTHEAST
ARKANSAS.  MOST OF THE THUNDERSTORMS HAVE TENDED TO WEAKEN SLIGHTLY
LATE THIS MORNING AND THE SEVERE THUNDERSTORM WATCH HAS BEEN ALLOWED TO
EXPIRE FOR NOW.  AS THE AIRMASS BECOMES EVEN MORE UNSTABLE LATER TODAY...
ADDITIONAL SEVERE WEATHER WATCHES ARE EXPECTED. A STRONG JET STREAM
COMBINING WITH MOIST UNSTABLE AIR WILL FUEL THE REDEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS FROM MID AFTERNOON THROUGH TONIGHT.

THE MAIN THREAT FROM THE LATER STORMS WILL BE DAMAGING WINDS AND LARGE
HAIL HOWEVER...A FEW TORNADOES ARE ALSO POSSIBLE.

RESIDENTS IN THE ARKLAMS REGION SHOULD STAY TUNED FOR LATER STATEMENTS
...WATCHES AND WARNINGS AS THIS IS POTENTIALLY A VERY DANGEROUS SYSTEM.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL AGAIN BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 10:30 PM CSTSevere Thunderstorm WarningJANNeshoba45 min
Mar 6, 10:39 PM CSTSevere Thunderstorm WarningJANWinston51 min
Mar 6, 11:20 PM CSTSevere Thunderstorm WarningJANOktibbeha55 min
Mar 7, 12:25 AM CSTSevere Thunderstorm WarningJANWarren50 min
Mar 7, 2:00 AM CSTSevere Thunderstorm WarningJANLeflore45 min
Mar 7, 3:09 AM CSTSevere Thunderstorm WarningJANCopiah51 min
Mar 7, 3:52 AM CSTSevere Thunderstorm WarningJANSimpson53 min
Mar 7, 4:10 AM CSTSevere Thunderstorm WarningJANCovington, Jefferson Davis50 min
Mar 7, 4:25 AM CSTSevere Thunderstorm WarningJANSmith50 min
Mar 7, 4:35 AM CSTSevere Thunderstorm WarningJANFranklin, Lincoln40 min
Mar 7, 4:40 AM CSTSevere Thunderstorm WarningJANLamar50 min
Mar 7, 4:51 AM CSTSevere Thunderstorm WarningJANForrest54 min
Mar 7, 5:01 AM CSTSevere Thunderstorm WarningJANLawrence, Simpson44 min
Mar 7, 5:20 AM CSTSevere Thunderstorm WarningJANFranklin40 min
Mar 7, 5:28 AM CSTSevere Thunderstorm WarningJANSimpson47 min
Mar 7, 5:51 AM CSTSevere Thunderstorm WarningJANLincoln54 min
Mar 7, 6:11 AM CSTSevere Thunderstorm WarningJANHinds49 min
Mar 7, 6:28 AM CSTSevere Thunderstorm WarningJANWarren47 min
Mar 7, 6:43 AM CSTSevere Thunderstorm WarningJANMadison, Rankin47 min
Mar 7, 7:02 AM CSTSevere Thunderstorm WarningJANYazoo43 min
Mar 7, 7:23 AM CSTSevere Thunderstorm WarningJANIssaquena52 min
Mar 7, 7:51 AM CSTSevere Thunderstorm WarningJANSharkey24 min
Mar 7, 10:43 AM CSTSevere Thunderstorm WarningJANAdams47 min
Mar 7, 11:20 AM CSTSevere Thunderstorm WarningJANFranklin25 min
Mar 7, 12:35 PM CSTSevere Thunderstorm WarningJANLincoln40 min
Mar 7, 12:40 PM CSTSevere Thunderstorm WarningJANClaiborne, Jefferson50 min
Mar 7, 12:49 PM CSTTornado WarningJANJefferson41 min
Mar 7, 1:04 PM CSTSevere Thunderstorm WarningJANFranklin26 min
Mar 7, 12:40 AM CSTSevere Thunderstorm WarningJANMorehouse50 min
Mar 7, 5:39 AM CSTSevere Thunderstorm WarningJANCatahoula51 min
Mar 7, 6:37 AM CSTSevere Thunderstorm WarningJANFranklin, Madison53 min
Mar 7, 6:59 AM CSTSevere Thunderstorm WarningJANEast Carroll46 min
Mar 7, 7:42 AM CSTSevere Thunderstorm WarningJANFranklin, Richland48 min
Mar 7, 11:31 AM CSTSevere Thunderstorm WarningJANCatahoula44 min
Mar 7, 11:57 AM CSTSevere Thunderstorm WarningJANTensas48 min
Mar 7, 12:06 PM CSTSevere Thunderstorm WarningJANConcordia39 min
Mar 7, 12:48 AM CSTSevere Thunderstorm WarningJANAshley, Chicot42 min
Mar 7, 8:35 AM CSTSevere Thunderstorm WarningJANAshley40 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; the sounding from the Mesonet's radiosonde archive.