Alert archive / Mississippi / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 113, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Mar 2, 1999, 3:40 PM CST for Pontotoc County, Union 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
- Mar 2, 1999, 3:40 PM CST (21:40 UTC)
- Expired
- Mar 2, 1999, 4:30 PM CST
- In force
- 50 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Pontotoc County, MS, Union County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 2, 3:45 PM CST | Hail 1.75 | Pontotoc, MS | |
| Mar 2, 4:10 PM CST | Hail 1.75 | Ingomar, 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 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, 9.7 hours before the alert went out and 100 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
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KMEM 022139 RRA SVRMEM MSC115-145-022230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 340 PM CST TUE MAR 2 1999 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN PONTOTOC COUNTY IN NORTHEASTERN MISSISSIPPI UNION COUNTY IN NORTHEASTERN MISSISSIPPI * UNTIL 430 PM CST * AT 339 PM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL 8 MILES SOUTHWEST OF NEW ALBANY OR 8 MILES WEST OF NEW HARMONY... MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ECRU BY 350 PM CST NEW HARMONY BY 355 PM CST BLUE SPRINGS BY 400 PM CST .THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A PLACE OF SAFETY... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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 42 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 42 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, 3:18 PM CST | Severe Thunderstorm Warning | MEG | Lafayette | 47 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 |
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.