Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 112, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 2, 1999, 3:18 PM CST for Lafayette County, Mississippi. 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 2, 1999, 3:18 PM CST (21:18 UTC)
- Expired
- Mar 2, 1999, 4:05 PM CST
- In force
- 47 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Lafayette County, MS
The radar
The Memphis radar (KNQA), 115 km from the middle of the area, began a volume at 21:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 2, 2:45 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 9.3 hours before the alert went out and 68 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
- 1702 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 79 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, Mar 2, 10:58 AM CST, 4 hours 20 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017- 020>024-TNZ001>004-019>021-048>054-088>092-030000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1058 AM CST TUE MAR 2 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE OFFICE IN THE MEMPHIS TENNESSEE...INCLUDING WEST TENNESSEE...NORTH MISSISSIPPI...EAST ARKANSAS AND THE MISSOURI BOOTHEEL. THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING FOR NORTHWEST MISSISSIPPI AND SOUTHEAST ARKANSAS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING FOR NORTHEAST ARKANSAS..THE MISSOURI BOOTHEEL..ALL OF WEST TENNESSEE AND NORTHEAST MISSISSIPPI. A LOW PRESSURE SYSTEM OVER THE MID MISSISSIPPI VALLEY WILL STRENGTHEN AND MOVE EAST INTO THE OHIO VALLEY THIS EVENING. THE ASSOCIATED COLD FRONT WHICH EXTENDS SOUTHWEST INTO ARKANSAS AND NORTH TEXAS WILL MOVE EASTWARD AND REACH THE MISSISSIPPI RIVER BY EARLY THIS EVENING. SOUTHERLY WINDS AHEAD OF THE FRONT WILL PULL MOIST..UNSTABLE AIR NORTHWARD INTO THE REGION. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE MID SOUTH LATER THIS AFTERNOON. SOME STORMS MAY BE SEVERE ACROSS THE REGION. THE MAIN THREAT FROM THESE THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. THE SEVERE WEATHER THREAT WILL END AS THE COLD FRONT MOVES THROUGH. STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EARLY THIS EVENING. MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...TV AND CABLE TELEVISION FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION.
Special weather statement, Mar 2, 10:58 AM CST, 4 hours 20 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017- 020>024-TNZ001>004-019>021-048>054-088>092-030000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 1058 AM CST TUE MAR 2 1999 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE OFFICE IN THE MEMPHIS TENNESSEE...INCLUDING WEST TENNESSEE...NORTH MISSISSIPPI...EAST ARKANSAS AND THE MISSOURI BOOTHEEL. THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING FOR NORTHWEST MISSISSIPPI AND SOUTHEAST ARKANSAS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING FOR NORTHEAST ARKANSAS..THE MISSOURI BOOTHEEL..ALL OF WEST TENNESSEE AND NORTHEAST MISSISSIPPI. A LOW PRESSURE SYSTEM OVER THE MID MISSISSIPPI VALLEY WILL STRENGTHEN AND MOVE EAST INTO THE OHIO VALLEY THIS EVENING. THE ASSOCIATED COLD FRONT WHICH EXTENDS SOUTHWEST INTO ARKANSAS AND NORTH TEXAS WILL MOVE EASTWARD AND REACH THE MISSISSIPPI RIVER BY EARLY THIS EVENING. SOUTHERLY WINDS AHEAD OF THE FRONT WILL PULL MOIST..UNSTABLE AIR NORTHWARD INTO THE REGION. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE MID SOUTH LATER THIS AFTERNOON. SOME STORMS MAY BE SEVERE ACROSS THE REGION. THE MAIN THREAT FROM THESE THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. THE SEVERE WEATHER THREAT WILL END AS THE COLD FRONT MOVES THROUGH. STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EARLY THIS EVENING. MONITOR NOAA WEATHER RADIO...COMMERCIAL RADIO...TV AND CABLE TELEVISION FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 12:44 PM CST | Severe Thunderstorm Warning | MEG | Quitman | 36 min |
| Mar 2, 1:38 PM CST | Severe Thunderstorm Warning | MEG | Panola | 32 min |
| Mar 2, 2:35 PM CST | Severe Thunderstorm Warning | MEG | Panola | 35 min |
| Mar 2, 2:47 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 33 min |
| Mar 2, 3:40 PM CST | Severe Thunderstorm Warning | MEG | Pontotoc, Union | 50 min |
| Mar 2, 3:59 PM CST | Tornado Warning | MEG | Union | 31 min |
| Mar 2, 4:15 PM CST | Severe Thunderstorm Warning | MEG | Pontotoc | 35 min |
| Mar 2, 4:23 PM CST | Severe Thunderstorm Warning | MEG | Lee | 27 min |
| Mar 2, 4:44 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 36 min |
| Mar 2, 4:47 PM CST | Severe Thunderstorm Warning | MEG | Itawamba | 33 min |
| Mar 2, 5:06 PM CST | Severe Thunderstorm Warning | MEG | Lee | 34 min |
| Mar 2, 5:13 PM CST | Severe Thunderstorm Warning | MEG | Pontotoc | 47 min |
| Mar 2, 5:34 PM CST | Severe Thunderstorm Warning | MEG | Yalobusha | 31 min |
| Mar 2, 5:40 PM CST | Severe Thunderstorm Warning | MEG | Itawamba | 35 min |
| Mar 2, 3:11 PM CST | Severe Thunderstorm Warning | MEG | Fayette | 44 min |
| Mar 2, 3:16 PM CST | Severe Thunderstorm Warning | MEG | Crockett, Haywood | 49 min |
| Mar 2, 3:16 PM CST | Severe Thunderstorm Warning | MEG | Tipton | 49 min |
| Mar 2, 3:57 PM CST | Severe Thunderstorm Warning | MEG | Fayette | 33 min |
| Mar 2, 4:00 PM CST | Severe Thunderstorm Warning | MEG | Hardeman | 65 min |
| Mar 2, 4:06 PM CST | Severe Thunderstorm Warning | MEG | Weakley | 49 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.