Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 49, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 8, 1998, 9:03 AM CDT for Chester County, Tennessee. It was in force for 32 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
- Apr 8, 1998, 9:03 AM CDT (14:03 UTC)
- Expired
- Apr 8, 1998, 9:35 AM CDT
- In force
- 32 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Chester County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 9:20 AM CDT | Hail 0.75 | Henderson, TN | |
| Apr 8, 9:34 AM CDT | Thunderstorm Wind | Masseyville, TN | Several sheds had tin blown off of them. Several trees were knocked 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 8, 7:45 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 2.1 hours before the alert went out and 138 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
- 2519 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 170 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
903 WUUS1 KMEM 081404 RRA SVRMEM TNC023-081435- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 903 AM CDT WED APR 8 1998 THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 935 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WESTERN TENNESSEE ...CHESTER COUNTY AT 901 AM CDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS IN WESTERN CHESTER COUNTY MOVING EAST AT 40 MPH. THIS STORM WILL MOVE ACROSS HENDERSON AROUND 915 AM. .A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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, Apr 8, 4:51 AM CDT, 4 hours 12 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017- 020>024-030-031-TNZ001>004-019>021-048>054-088>092-081520- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 451 AM CDT WED APR 8 1998 ...SIGNIFICANT SEVERE WEATHER POSSIBLE OVER THE MID SOUTH TODAY... THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MEMPHIS TENNESSEE..INCLUDING WEST TENNESSEE..NORTH MISSISSIPPI..EAST ARKANSAS AND THE MISSOURI BOOTHEEL. THERE IS A HIGH RISK OF SEVERE WEATHER ACROSS NORTH MISSISSIPPI TODAY..AND A SLIGHT RISK OF SEVERE WEATHER ACROSS WEST TENNESSEE AND PORTIONS OF EAST ARKANSAS. AN INTENSE LOW PRESSURE AREA OVER THE MID MISSISSIPPI VALLEY WILL MOVE SLOWLY EASTWARD AND CONTINUE TO CAUSE INCREASING SOUTHERLY WINDS OVER THE LOWER MISSISSIPPI VALLEY AND THE SOUTHEASTERN STATES. AS A RESULT MORE HUMID AIR WILL BE BROUGHT INTO THE MID SOUTH AREA. TOGETHER WITH COLD AIR AND VERY STRONG WINDS ALOFT...THE ATMOSPHERE WILL BECOME VERY UNSTABLE AND THEREFORE VERY FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS TODAY. THUNDERSTORMS DEVELOPING OVER CENTRAL AND EASTERN TEXAS WILL SPREAD EASTWARD ACROSS LOUISIANA AND SOUTHERN ARKANSAS THIS MORNING AND INTO MISSISSIPPI. THE HIGHEST PROBABILITY OF SEVERE WEATHER IN THE MID SOUTH IS EXPECTED TO BE ACROSS NORTHERN MISSISSIPPI THIS AFTERNOON. HOWEVER..THERE IS STILL A RISK OF SEVERE THUNDERSTORMS ACROSS WEST TENNESSEE AND PORTIONS OF NORTHEAST ARKANSAS. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH ANY SEVERE STORMS ACROSS THE MID SOUTH TODAY..WITH THE POTENTIAL FOR A FEW TORNADOES..ESPECIALLY ACROSS NORTH MISSISSIPPI. LAW ENFORCEMENT AGENCIES..EMERGENCY MANAGEMENT OFFICIALS..STORM SPOTTER GROUPS..AND OTHER INTERESTED CONCERNS SHOULD MONITOR THE LATEST WEATHER INFORMATION.
Special weather statement, Apr 8, 4:51 AM CDT, 4 hours 12 minutes before
ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017- 020>024-030-031-TNZ001>004-019>021-048>054-088>092-081520- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 451 AM CDT WED APR 8 1998 ...SIGNIFICANT SEVERE WEATHER POSSIBLE OVER THE MID SOUTH TODAY... THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN MEMPHIS TENNESSEE..INCLUDING WEST TENNESSEE..NORTH MISSISSIPPI..EAST ARKANSAS AND THE MISSOURI BOOTHEEL. THERE IS A HIGH RISK OF SEVERE WEATHER ACROSS NORTH MISSISSIPPI TODAY..AND A SLIGHT RISK OF SEVERE WEATHER ACROSS WEST TENNESSEE AND PORTIONS OF EAST ARKANSAS. AN INTENSE LOW PRESSURE AREA OVER THE MID MISSISSIPPI VALLEY WILL MOVE SLOWLY EASTWARD AND CONTINUE TO CAUSE INCREASING SOUTHERLY WINDS OVER THE LOWER MISSISSIPPI VALLEY AND THE SOUTHEASTERN STATES. AS A RESULT MORE HUMID AIR WILL BE BROUGHT INTO THE MID SOUTH AREA. TOGETHER WITH COLD AIR AND VERY STRONG WINDS ALOFT...THE ATMOSPHERE WILL BECOME VERY UNSTABLE AND THEREFORE VERY FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS TODAY. THUNDERSTORMS DEVELOPING OVER CENTRAL AND EASTERN TEXAS WILL SPREAD EASTWARD ACROSS LOUISIANA AND SOUTHERN ARKANSAS THIS MORNING AND INTO MISSISSIPPI. THE HIGHEST PROBABILITY OF SEVERE WEATHER IN THE MID SOUTH IS EXPECTED TO BE ACROSS NORTHERN MISSISSIPPI THIS AFTERNOON. HOWEVER..THERE IS STILL A RISK OF SEVERE THUNDERSTORMS ACROSS WEST TENNESSEE AND PORTIONS OF NORTHEAST ARKANSAS. LARGE HAIL AND DAMAGING WINDS ARE LIKELY WITH ANY SEVERE STORMS ACROSS THE MID SOUTH TODAY..WITH THE POTENTIAL FOR A FEW TORNADOES..ESPECIALLY ACROSS NORTH MISSISSIPPI. LAW ENFORCEMENT AGENCIES..EMERGENCY MANAGEMENT OFFICIALS..STORM SPOTTER GROUPS..AND OTHER INTERESTED CONCERNS SHOULD MONITOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 7:24 AM CDT | Severe Thunderstorm Warning | MEG | Fayette, Shelby | 46 min |
| Apr 8, 9:17 AM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 33 min |
| Apr 8, 9:34 AM CDT | Severe Thunderstorm Warning | MEG | Chester | 31 min |
| Apr 8, 9:39 AM CDT | Severe Thunderstorm Warning | MEG | Shelby | 36 min |
| Apr 8, 9:44 AM CDT | Severe Thunderstorm Warning | MEG | Fayette | 51 min |
| Apr 8, 10:21 AM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 49 min |
| Apr 8, 10:42 AM CDT | Severe Thunderstorm Warning | MEG | Chester, McNairy | 48 min |
| Apr 8, 11:09 AM CDT | Severe Thunderstorm Warning | MEG | Henry, Weakley | 46 min |
| Apr 8, 11:13 AM CDT | Severe Thunderstorm Warning | MEG | Hardin, Henderson | 32 min |
| Apr 8, 5:02 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 33 min |
| Apr 8, 5:32 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 18 min |
| Apr 8, 6:17 PM CDT | Severe Thunderstorm Warning | MEG | Lake, Obion | 33 min |
| Apr 8, 6:27 PM CDT | Severe Thunderstorm Warning | MEG | Tipton | 48 min |
| Apr 8, 6:34 PM CDT | Tornado Warning | MEG | Shelby | 36 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 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.