Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 91, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 14, 1998, 1:05 AM CDT for Shelby County, Tennessee. It was in force for 60 min. 1 report 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 14, 1998, 1:05 AM CDT (06:05 UTC)
- Expired
- Apr 14, 1998, 2:05 AM CDT
- In force
- 60 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Shelby County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 14, 1:30 AM CDT | Hail 0.75 | Raleigh, TN |
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
Little Rock, AR (KLZK), launched 00:00Z, 6.1 hours before the alert went out and 40 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.
702 WUUS1 KMEM 140606 RRA SVRMEM TNC157-140705- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 105 AM CDT TUE APR 14 1998 THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 205 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WESTERN TENNESSEE ...SHELBY COUNTY AT 103 AM CDT... DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS JUST WEST OF THE MISSISSIPPI RIVER IN CRITTENDEN COUNTY MOVING EAST AT 40 MPH. THIS STORM PRODUCED GOLFBALL SIZED HAIL NEAR EARLE AROUND 1245 AM. THE STRONGEST PART OF THIS STORM WILL AFFECT MILLINGTON..ELLENDALE.. FRAYSER AND BARTLETT. .WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT 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, 5 hours 20 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, 11:00 PM CDT | Severe Thunderstorm Warning | MEG | Lake | 30 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 |
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.