Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 482, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jul 11, 1998, 4:02 PM CDT for Warren County, Mississippi. It was in force for 33 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 11, 1998, 4:02 PM CDT (21:02 UTC)
- Expired
- Jul 11, 1998, 4:35 PM CDT
- In force
- 33 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Warren County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 4:15 PM CDT | Thunderstorm Wind | Vicksburg, MS | A few store signs and several trees 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 nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 9.0 hours before the alert went out and 73 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
- 565 J/kg
- Mixed-layer CIN
- -251 J/kg
- Mixed-layer LCL
- 1344 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 177 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 11, 10:30 AM CDT, 5 hours 32 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-120400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CDT SAT JUL 11 1998 A VERY MOIST AND UNSTABLE AIRMASS PERSISTED ACROSS THE REGION THIS MORNING. THE COMBINATION OF A STATIONARY FRONT JUST NORTH OF THE AREA AND AN UPPER LEVEL WEATHER DISTURBANCE MOVING ACROSS THE REGION WILL ALLOW TO SCATTERED TO NUMEROUS THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING. SOME OF THE STORMS THAT DEVELOP THIS AFTERNOON AND EVENING MAY BECOME SEVERE. THE BEST THREAT OF SEVERE WEATHER IS ALONG AND NORTH OF INTERSTATE 20. THE MAIN THREAT OF SEVERE WEATHER WILL BE DAMAGING WINDS. ADDITIONALLY...FREQUENT LIGHTNING AND TORRENTIAL RAINFALL WILL ACCOMPANY THE STORMS. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL MAY BE BE REQUIRED THIS AFTERNOON AND 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 11, 10:30 AM CDT, 5 hours 32 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072> 074-120400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CDT SAT JUL 11 1998 A VERY MOIST AND UNSTABLE AIRMASS PERSISTED ACROSS THE REGION THIS MORNING. THE COMBINATION OF A STATIONARY FRONT JUST NORTH OF THE AREA AND AN UPPER LEVEL WEATHER DISTURBANCE MOVING ACROSS THE REGION WILL ALLOW TO SCATTERED TO NUMEROUS THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND EVENING. SOME OF THE STORMS THAT DEVELOP THIS AFTERNOON AND EVENING MAY BECOME SEVERE. THE BEST THREAT OF SEVERE WEATHER IS ALONG AND NORTH OF INTERSTATE 20. THE MAIN THREAT OF SEVERE WEATHER WILL BE DAMAGING WINDS. ADDITIONALLY...FREQUENT LIGHTNING AND TORRENTIAL RAINFALL WILL ACCOMPANY THE STORMS. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY MANAGEMENT PERSONNEL MAY BE BE REQUIRED THIS AFTERNOON AND 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 10, 7:48 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Rankin | 32 min |
| Jul 10, 7:53 PM CDT | Severe Thunderstorm Warning | JAN | Sharkey | 32 min |
| Jul 10, 10:10 PM CDT | Severe Thunderstorm Warning | JAN | Lincoln | 50 min |
| Jul 11, 2:18 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 32 min |
| Jul 11, 2:47 PM CDT | Severe Thunderstorm Warning | JAN | Leake | 33 min |
| Jul 11, 3:37 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 33 min |
| Jul 11, 3:56 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis | 34 min |
| Jul 11, 4:27 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 33 min |
| Jul 11, 4:45 PM CDT | Severe Thunderstorm Warning | JAN | Hinds | 35 min |
| Jul 11, 5:12 PM CDT | Severe Thunderstorm Warning | JAN | Copiah | 48 min |
| Jul 11, 6:29 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Jefferson, Lincoln | 36 min |
| Jul 11, 6:53 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 32 min |
| Jul 11, 6:57 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 33 min |
| Jul 11, 4:36 PM CDT | Severe Thunderstorm Warning | JAN | Madison | 34 min |
| Jul 11, 5:48 PM CDT | Severe Thunderstorm Warning | JAN | Tensas | 32 min |
| Jul 11, 5:45 PM CDT | Severe Thunderstorm Warning | JAN | Ashley | 50 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.