Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 111, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jan 30, 1999, 5:00 PM CST for Lauderdale County, Newton County, Mississippi. It was in force for 50 min. 2 reports 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
- Jan 30, 1999, 5:00 PM CST (23:00 UTC)
- Expired
- Jan 30, 1999, 5:50 PM CST
- In force
- 50 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Lauderdale County, MS, Newton County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 30, 5:10 PM CST | Hail 1.5 | Chunky, MS | |
| Jan 30, 5:30 PM CST | Hail 0.75 | Meehan, 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, 11.0 hours before the alert went out and 112 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 551 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 287 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, Jan 30, 11:02 AM CST, 5 hours 58 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 310400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CST SAT JAN 30 1999 A LOW PRESSURE SYSTEM IS LOCATED IN EASTERN OKLAHOMA WITH A COLD FRONTAL SYSTEM SOUTH OF THE LOW THROUGH EASTERN TEXAS. A WARM FRONTAL SYSTEM IS LOCATED ACROSS NORTHERN LOUISIANA AND INTO NORTHERN MISSISSIPPI. SATELLITE IMAGERY INDICATES THERE WILL BE SOME BREAKS IN THE CLOUD COVER IN CENTRAL AND SOUTHERN MISSISSIPPI THIS AFTERNOON. IN THE WARM AND UNSTABLE AIR SOUTH OF THE WARM FRONT AND EAST OF THE COLD FRONT...A FEW SEVERE THUNDERSTORMS COULD DEVELOP IN CENTRAL AND SOUTHERN MISSISSIPPI...ESPECIALLY SOUTH OF A MERIDIAN TO JACKSON TO VICKSBURG LINE. THE PRIMARY SEVERE THREAT WILL BE FROM DAMAGING THUNDERSTORM WINDS IN THE SQUALL LINE THAT IS PROJECTED TO MOVE THROUGH THE AREA THIS AFTERNOON. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT/CIVIL DEFENSE PERSONNEL MAY BE REQUIRED TODAY. FOR MORE INFORMATION...PLEASE VISIT OUR INTERNET WEB SITE AT: HTTP://WWW.JANNWS.STATE.MS.US /IN LOWER CASE LETTERS/
Special weather statement, Jan 30, 11:56 AM CST, 5 hours 4 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 310400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CST SAT JAN 30 1999 A LOW PRESSURE SYSTEM IS LOCATED IN EASTERN OKLAHOMA WITH A COLD FRONTAL SYSTEM SOUTH OF THE LOW THROUGH WESTERN LOUISIANA. A WARM
Special weather statement, Jan 30, 11:58 AM CST, 5 hours 2 minutes before
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074- 310400- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE JACKSON MS 1030 AM CST SAT JAN 30 1999 A LOW PRESSURE SYSTEM IS LOCATED IN EASTERN OKLAHOMA WITH A COLD FRONTAL SYSTEM SOUTH OF THE LOW THROUGH WESTERN LOUISIANA. A WARM FRONTAL SYSTEM IS LOCATED ACROSS NORTHERN LOUISIANA AND INTO NORTHERN MISSISSIPPI. SATELLITE IMAGERY INDICATES THERE WILL BE SOME BREAKS IN THE CLOUD COVER IN CENTRAL AND SOUTHERN MISSISSIPPI THIS AFTERNOON. IN THE WARM AND UNSTABLE AIR SOUTH OF THE WARM FRONT AND EAST OF THE COLD FRONT...A FEW SEVERE THUNDERSTORMS COULD DEVELOP IN CENTRAL AND SOUTHERN MISSISSIPPI...ESPECIALLY SOUTH OF A MERIDIAN TO JACKSON TO VICKSBURG LINE. THE PRIMARY SEVERE THREAT WILL BE FROM DAMAGING THUNDERSTORM WINDS IN THE SQUALL LINE THAT IS PROJECTED TO MOVE THROUGH THE AREA THIS AFTERNOON. ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT/CIVIL DEFENSE PERSONNEL MAY BE REQUIRED TODAY. FOR MORE 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 |
|---|---|---|---|---|
| Jan 29, 6:50 PM CST | Severe Thunderstorm Warning | JAN | Lamar | 50 min |
| Jan 29, 7:38 PM CST | Severe Thunderstorm Warning | JAN | Forrest | 47 min |
| Jan 29, 8:23 PM CST | Severe Thunderstorm Warning | JAN | Marion | 52 min |
| Jan 29, 9:15 PM CST | Severe Thunderstorm Warning | JAN | Lamar | 60 min |
| Jan 29, 9:29 PM CST | Flash Flood Warning | JAN | Adams, Jefferson | 5 hr |
| Jan 29, 9:44 PM CST | Tornado Warning | JAN | Lamar | 31 min |
| Jan 29, 9:58 PM CST | Tornado Warning | JAN | Forrest | 47 min |
| Jan 29, 10:42 PM CST | Flash Flood Warning | JAN | Clarke | 2 hr |
| Jan 29, 10:42 PM CST | Flash Flood Warning | JAN | Jones | 2 hr |
| Jan 29, 11:00 PM CST | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 3 hr |
| Jan 30, 1:50 AM CST | Flash Flood Warning | JAN | Lamar, Marion | 2 hr |
| Jan 30, 1:50 AM CST | Flash Flood Warning | JAN | Forrest | 2 hr |
| Jan 30, 8:47 AM CST | Flash Flood Warning | JAN | Claiborne, Copiah, Hinds, Jefferson | 2 hr |
| Jan 30, 8:47 AM CST | Flash Flood Warning | JAN | Madison, Rankin | 2 hr |
| Jan 30, 10:21 AM CST | Severe Thunderstorm Warning | JAN | Lincoln | 29 min |
| Jan 30, 10:44 AM CST | Severe Thunderstorm Warning | JAN | Lawrence, Simpson | 46 min |
| Jan 30, 11:09 AM CST | Flash Flood Warning | JAN | Lawrence, Rankin, Simpson, Smith | 2 hr |
| Jan 30, 11:09 AM CST | Flash Flood Warning | JAN | Neshoba, Newton, Scott | 2 hr |
| Jan 30, 12:17 PM CST | Flash Flood Warning | JAN | Clarke, Jasper, Kemper, Lauderdale | 3 hr |
| Jan 30, 1:15 PM CST | Severe Thunderstorm Warning | JAN | Simpson, Smith | 30 min |
| Jan 30, 4:41 PM CST | Severe Thunderstorm Warning | JAN | Jones | 49 min |
| Jan 30, 5:09 PM CST | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 66 min |
| Jan 29, 7:45 PM CST | Flash Flood Warning | JAN | Morehouse, Richland, West Carroll | 28 hr |
| Jan 29, 7:45 PM CST | Flash Flood Warning | JAN | East Carroll, Madison | 28 hr |
| Jan 29, 11:57 PM CST | Flash Flood Warning | JAN | East Carroll, Madison, Richland | 4 hr |
| Jan 29, 11:57 PM CST | Flash Flood Warning | JAN | Morehouse | 4 hr |
| Jan 29, 11:57 PM CST | Flash Flood Warning | JAN | West Carroll | 4 hr |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1999Every severe thunderstorm warning in 1999
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.