Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 82, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 13, 1998, 11:00 PM CDT for Lake County, Tennessee. It was in force for 30 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
- Apr 13, 1998, 11:00 PM CDT (04:00 UTC)
- Expired
- Apr 13, 1998, 11:30 PM CDT
- In force
- 30 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Lake County, TN
The radar
The Paducah radar (KPAH), 104 km from the middle of the area, began a volume at 04:02 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 |
|---|---|---|---|
| Apr 13, 6:30 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 4.0 hours before the alert went out and 172 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
- 652 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 898 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.2
The text
As transmitted, in the capitals the NWS used until 2016.
241 WUUS1 KMEM 140401 RRA SVRMEM TNC095-140430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 1100 PM CDT MON APR 13 1998 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PERSONS IN THE FOLLOWING LOCATION... IN WEST TENNESSEE ...LAKE COUNTY AT 1100 PM..RADAR SHOWED A SEVERE THUNDERSTORM WITH 70 MPH WINDS MOVING INTO LAKE COUNTY WYNNBURG. THIS STORM IS MOVING TO THE EAST AT 40 MPH AND WILL AFFECT RIDGELY AND TIPTONVILLE. .WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DONT USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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
Local storm report, Apr 13, 7:45 PM CDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MEMPHIS TENNESSEE
745 PM CDT MON APR 13 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 PM PALATKA AR 1.75 INCH HAIL
04/13/98 CLAY HIGHWAY PATROL REPORTED
GOLFBALL SIZE HAILThe office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 9:59 PM CDT | Severe Thunderstorm Warning | MEG | Obion | 46 min |
| Apr 13, 11:16 PM CDT | Tornado Warning | MEG | Lake, Obion | 59 min |
| Apr 14, 12:10 AM CDT | Severe Thunderstorm Warning | MEG | Weakley | 45 min |
| Apr 14, 12:31 AM CDT | Severe Thunderstorm Warning | MEG | Carroll, Henry | 64 min |
| Apr 14, 12:52 AM CDT | Severe Thunderstorm Warning | MEG | Gibson | 48 min |
| Apr 14, 1:05 AM CDT | Severe Thunderstorm Warning | MEG | Shelby | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.