Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 99, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 16, 1998, 4:57 AM CDT for Carroll County, Tennessee. It was in force for 48 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 16, 1998, 4:57 AM CDT (09:57 UTC)
- Expired
- Apr 16, 1998, 5:45 AM CDT
- In force
- 48 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Carroll County, TN
The radar
The Paducah radar (KPAH), 125 km from the middle of the area, began a volume at 09:57 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 16, 4:30 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 10.0 hours before the alert went out and 167 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
- 449 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1158 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
159 WUUS1 KMEM 160956 RRA SVRMEM TNC017-161045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 457 AM CDT THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CARROLL COUNTY IN WESTERN TENNESSEE * UNTIL 545 AM CDT * AT 455 AM CDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTHWEST OF ATWOOD MOVING EAST AT 40 MILES AN HOUR. * THE SEVERE THUNDERSTORMS WILL BE NEAR... HUNTINGDON BY 515 AM CDT CLARKSBURG BY 515 AM CDT .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.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 2:28 AM CDT | Severe Thunderstorm Warning | MEG | Lake, Obion | 47 min |
| Apr 16, 3:35 AM CDT | Tornado Warning | MEG | Dyer | 35 min |
| Apr 16, 3:56 AM CDT | Severe Thunderstorm Warning | MEG | Lauderdale | 34 min |
| Apr 16, 4:07 AM CDT | Severe Thunderstorm Warning | MEG | Crockett | 33 min |
| Apr 16, 4:14 AM CDT | Tornado Warning | MEG | Crockett | 31 min |
| Apr 16, 4:29 AM CDT | Severe Thunderstorm Warning | MEG | Gibson | 31 min |
| Apr 16, 5:15 AM CDT | Tornado Warning | MEG | Carroll | 35 min |
| Apr 16, 7:55 AM CDT | Severe Thunderstorm Warning | MEG | Lake | 35 min |
| Apr 16, 8:15 AM CDT | Severe Thunderstorm Warning | MEG | Obion | 35 min |
| Apr 16, 10:20 AM CDT | Severe Thunderstorm Warning | MEG | Shelby | 50 min |
| Apr 16, 1:58 PM CDT | Severe Thunderstorm Warning | MEG | Henderson | 32 min |
| Apr 16, 2:04 PM CDT | Tornado Warning | MEG | Henderson | 21 min |
| Apr 16, 2:17 PM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 33 min |
| Apr 16, 2:24 PM CDT | Tornado Warning | MEG | Hardeman, McNairy | 51 min |
| Apr 16, 2:34 PM CDT | Severe Thunderstorm Warning | MEG | Henderson | 21 min |
| Apr 16, 3:03 PM CDT | Tornado Warning | MEG | Hardin | 47 min |
| Apr 16, 4:11 PM CDT | Severe Thunderstorm Warning | MEG | Hardin, McNairy | 49 min |
| Apr 16, 4:30 PM CDT | Severe Thunderstorm Warning | MEG | Chester | 35 min |
| Apr 16, 4:35 PM CDT | Tornado Warning | MEG | Chester | 35 min |
| Apr 16, 4:36 PM CDT | Tornado Warning | MEG | Hardin | 34 min |
| Apr 16, 4:41 PM CDT | Severe Thunderstorm Warning | MEG | Henderson | 34 min |
| Apr 16, 5:04 PM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 31 min |
| Apr 16, 5:31 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 34 min |
| Apr 16, 5:37 PM CDT | Severe Thunderstorm Warning | MEG | McNairy | 33 min |
| Apr 16, 6:09 PM CDT | Severe Thunderstorm Warning | MEG | Hardin | 31 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.