Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 544, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 6, 1998, 3:36 PM CDT for Issaquena County, Warren County, Mississippi; East Carroll Parish, Louisiana. It was in force for 44 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
- Oct 6, 1998, 3:36 PM CDT (20:36 UTC)
- Expired
- Oct 6, 1998, 4:20 PM CDT
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties East Carroll Parish, LA, Issaquena County, MS, Warren County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 6, 4:15 PM CDT | Thunderstorm Wind | Vicksburg, MS | A large limb was blown and caused minor damage to a house.. |
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
Jackson, MS (KJAN), launched 12:00Z, 8.6 hours before the alert went out and 94 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.
- Mixed-layer CAPE
- 709 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 723 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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, Oct 6, 10:20 AM CDT, 5 hours 16 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
060400-
AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1020 AM CDT TUE OCT 6 1998
A COLD FRONT LOCATED THROUGH SOUTHEAST TEXAS...NORTHWEST LOUISIANA...AND
CENTRAL ARKANSAS THIS MORNING...WILL PUSH SLOWLY EAST TODAY AND TONIGHT
ACROSS THE MISSISSIPPI VALLEY. A STRONG SOUTHERLY FLOW AHEAD OF THE
FRONT WILL PROVIDE AN ABUNDANCE OF GULF MOISTURE TO THE REGION. THE
ATMOSPHERE AHEAD OF THE FRONT IS RATHER UNSTABLE AND THUNDERSTORMS WILL
CONTINUE TO DEVELOP AND SPREAD EAST...AHEAD OF THE FRONT. THUNDERSTORMS
WILL REACH SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA BY EARLY AFTERNOON
AND WILL REACH WESTERN MISSISSIPPI BY LATE AFTERNOON. AS THE COLD FRONT
PUSHES FARTHER EAST...THUNDERSTORMS WILL SPREAD INTO EASTERN PORTIONS OF
MISSISSIPPI DURING THE NIGHT.
WIDESPREAD SEVERE THUNDERSTORMS ARE NOT EXPECTED THROUGH TONIGHT AS
UPPER LEVEL WINDS ARE NOT FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS. HOWEVER...DUE TO THE MODERATELY STRONG INSTABILITY OF
THE ATMOSPHERE...A FEW THUNDERSTORMS MAY BECOME BRIEFLY SEVERE...
WITH THE MAIN THREAT BEING HIGH WINDS.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL NOT BE REQUIRED TODAY OR TONIGHT.
MORE INFORMATION CAN BE FOUND AT OUR WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US/ (ALL IN SMALL LETTERS)Special weather statement, Oct 6, 10:20 AM CDT, 5 hours 16 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
060400-
AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1020 AM CDT TUE OCT 6 1998
A COLD FRONT LOCATED THROUGH SOUTHEAST TEXAS...NORTHWEST LOUISIANA...AND
CENTRAL ARKANSAS THIS MORNING...WILL PUSH SLOWLY EAST TODAY AND TONIGHT
ACROSS THE MISSISSIPPI VALLEY. A STRONG SOUTHERLY FLOW AHEAD OF THE
FRONT WILL PROVIDE AN ABUNDANCE OF GULF MOISTURE TO THE REGION. THE
ATMOSPHERE AHEAD OF THE FRONT IS RATHER UNSTABLE AND THUNDERSTORMS WILL
CONTINUE TO DEVELOP AND SPREAD EAST...AHEAD OF THE FRONT. THUNDERSTORMS
WILL REACH SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA BY EARLY AFTERNOON
AND WILL REACH WESTERN MISSISSIPPI BY LATE AFTERNOON. AS THE COLD FRONT
PUSHES FARTHER EAST...THUNDERSTORMS WILL SPREAD INTO EASTERN PORTIONS OF
MISSISSIPPI DURING THE NIGHT.
WIDESPREAD SEVERE THUNDERSTORMS ARE NOT EXPECTED THROUGH TONIGHT AS
UPPER LEVEL WINDS ARE NOT FAVORABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS. HOWEVER...DUE TO THE MODERATELY STRONG INSTABILITY OF
THE ATMOSPHERE...A FEW THUNDERSTORMS MAY BECOME BRIEFLY SEVERE...
WITH THE MAIN THREAT BEING HIGH WINDS.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY
MANAGEMENT PERSONNEL WILL NOT BE REQUIRED TODAY OR TONIGHT.
MORE INFORMATION CAN BE FOUND AT OUR WEB SITE AT:
HTTP://WWW.JANNWS.STATE.MS.US/ (ALL IN SMALL LETTERS)The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 3:36 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 44 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1998Severe 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.