Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 429, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 1, 1998, 2:36 PM CDT for Jefferson Davis County, Mississippi. It was in force for 34 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
- Jul 1, 1998, 2:36 PM CDT (19:36 UTC)
- Expired
- Jul 1, 1998, 3:10 PM CDT
- In force
- 34 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Jefferson Davis County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 2:46 PM CDT | Hail 1 | Bassfield, 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
Jackson, MS (KJAN), launched 12:00Z, 7.6 hours before the alert went out and 87 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
- 2507 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Jul 1, 10:00 AM CDT, 4 hours 36 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-020400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT WED JUL 01 1998 A STATIONARY FRONTAL BOUNDARY OVER SOUTHERN ARKANSAS...NORTH CENTRAL MISSISSIPPI AND NORTHERN GEORGIA WILL REMAIN OVER THE REGION THROUGH THURSDAY. THE FRONTAL SYSTEM WILL PROVIDE A FOCUS MECHANISM AND COUPLED WITH DAYTIME SURFACE HEATING AND A MOISTURE RICH AIRMASS IN PLACE...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED OVER THE AREA DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY CENTRAL AND SOUTH. THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE...BUT LOCALLY HEAVY DOWNPOURS AND BRIEF GUSTY WINDS ARE LIKELY WHERE THUNDERSTORMS OCCUR. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE REQUIRED THROUGH TONIGHT. FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT: HTTP://WWW.JANNWS.STATE.MS.US /IN LOWER CASE LETTERS/
Special weather statement, Jul 1, 10:00 AM CDT, 4 hours 36 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066- 072>074-020400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1000 AM CDT WED JUL 01 1998 A STATIONARY FRONTAL BOUNDARY OVER SOUTHERN ARKANSAS...NORTH CENTRAL MISSISSIPPI AND NORTHERN GEORGIA WILL REMAIN OVER THE REGION THROUGH THURSDAY. THE FRONTAL SYSTEM WILL PROVIDE A FOCUS MECHANISM AND COUPLED WITH DAYTIME SURFACE HEATING AND A MOISTURE RICH AIRMASS IN PLACE...WIDELY SCATTERED TO SCATTERED THUNDERSTORMS ARE EXPECTED OVER THE AREA DURING THE AFTERNOON AND EVENING HOURS...ESPECIALLY CENTRAL AND SOUTH. THUNDERSTORMS ARE NOT EXPECTED TO BECOME SEVERE...BUT LOCALLY HEAVY DOWNPOURS AND BRIEF GUSTY WINDS ARE LIKELY WHERE THUNDERSTORMS OCCUR. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL WILL NOT BE REQUIRED THROUGH TONIGHT. FOR MORE WEATHER INFORMATION PLEASE VISIT OUR INTERNET WEB SITE AT: HTTP://WWW.JANNWS.STATE.MS.US /IN LOWER CASE LETTERS/
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 2:20 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 35 min |
| Jul 1, 3:42 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Washington | 48 min |
| Jul 1, 4:06 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Sunflower | 49 min |
| Jul 1, 4:37 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 33 min |
| Jul 1, 4:51 PM CDT | Severe Thunderstorm Warning | JAN | Holmes | 49 min |
| Jul 1, 5:32 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes | 48 min |
| Jul 1, 5:56 PM CDT | Severe Thunderstorm Warning | JAN | Leake | 49 min |
| Jul 1, 6:07 PM CDT | Severe Thunderstorm Warning | JAN | Scott | 48 min |
| Jul 1, 6:15 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Rankin | 50 min |
| Jul 1, 3:05 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 35 min |
| Jul 1, 3:35 PM CDT | Severe Thunderstorm Warning | JAN | Richland, West Carroll | 50 min |
| Jul 1, 3:59 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Madison | 46 min |
| Jul 1, 4:30 PM CDT | Severe Thunderstorm Warning | JAN | Richland | 45 min |
| Jul 1, 4:48 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 47 min |
| Jul 1, 2:40 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 35 min |
| Jul 1, 3:00 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 35 min |
| Jul 1, 3:32 PM CDT | Severe Thunderstorm Warning | JAN | Chicot | 33 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.