Alert archive / Tennessee / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 49, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jan 22, 1999, 2:10 AM CST for Hardeman County, Tennessee. It was in force for 50 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
- Jan 22, 1999, 2:10 AM CST (08:10 UTC)
- Expired
- Jan 22, 1999, 3:00 AM CST
- In force
- 50 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Hardeman County, TN
The radar
The Memphis radar (KNQA), 81 km from the middle of the area, began a volume at 08:13 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 22, 3:00 AM CST | Hail 1 | Bolivar, 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, 8.2 hours before the alert went out and 97 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
- 725 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 283 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KMEM 220809 RRA SVRMEM TNC069-220900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 210 AM CST FRI JAN 22 1999 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HARDEMAN COUNTY IN WESTERN TENNESSEE * UNTIL 300 AM CST * AT 209 AM CST... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS JUST SOUTHEAST OF SOMERVILLE MOVING NORTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... TOONE BY 220 AM CST BOLIVAR BY 220 AM CST .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 |
|---|---|---|---|---|
| Jan 21, 8:20 PM CST | Tornado Warning | MEG | Dyer, Obion | 45 min |
| Jan 21, 10:25 PM CST | Tornado Warning | MEG | Dyer, Lake, Obion | 45 min |
| Jan 21, 11:05 PM CST | Tornado Warning | MEG | Shelby | 45 min |
| Jan 21, 11:14 PM CST | Tornado Warning | MEG | Lake | 51 min |
| Jan 21, 11:21 PM CST | Tornado Warning | MEG | Fayette | 49 min |
| Jan 22, 12:02 AM CST | Tornado Warning | MEG | Hardeman | 33 min |
| Jan 22, 12:13 AM CST | Tornado Warning | MEG | Fayette | 17 min |
| Jan 22, 1:30 AM CST | Tornado Warning | MEG | Fayette | 45 min |
| Jan 22, 2:16 AM CST | Tornado Warning | MEG | Madison | 49 min |
| Jan 22, 2:27 AM CST | Tornado Warning | MEG | Henderson | 48 min |
| Jan 22, 2:32 AM CST | Tornado Warning | MEG | Fayette, Hardeman | 48 min |
| Jan 22, 2:41 AM CST | Tornado Warning | MEG | Carroll | 49 min |
| Jan 22, 3:00 AM CST | Tornado Warning | MEG | Chester | 50 min |
| Jan 22, 3:21 AM CST | Severe Thunderstorm Warning | MEG | Fayette | 49 min |
| Jan 22, 3:26 AM CST | Tornado Warning | MEG | Henderson | 49 min |
| Jan 22, 3:51 AM CST | Severe Thunderstorm Warning | MEG | Shelby | 49 min |
| Jan 22, 4:00 AM CST | Severe Thunderstorm Warning | MEG | Carroll | 50 min |
| Jan 22, 4:18 AM CST | Tornado Warning | MEG | Madison | 47 min |
| Jan 22, 5:23 AM CST | Severe Thunderstorm Warning | MEG | Shelby | 47 min |
| Jan 22, 6:05 AM CST | Severe Thunderstorm Warning | MEG | Fayette | 50 min |
| Jan 22, 6:36 AM CST | Severe Thunderstorm Warning | MEG | Hardeman | 39 min |
| Jan 22, 7:35 AM CST | Severe Thunderstorm Warning | MEG | Hardeman | 40 min |
| Jan 22, 8:17 AM CST | Severe Thunderstorm Warning | MEG | Chester | 33 min |
| Jan 22, 10:54 AM CST | Severe Thunderstorm Warning | MEG | Chester, Hardeman, McNairy | 51 min |
| Jan 22, 11:16 AM CST | Tornado Warning | MEG | Chester | 34 min |
| Jan 22, 11:40 AM CST | Tornado Warning | MEG | Henderson, Madison | 50 min |
| Jan 22, 11:51 AM CST | Tornado Warning | MEG | Hardeman | 34 min |
| Jan 22, 12:12 PM CST | Tornado Warning | MEG | McNairy | 33 min |
| Jan 22, 12:52 PM CST | Severe Thunderstorm Warning | MEG | Hardin | 33 min |
| Jan 22, 1:11 PM CST | Tornado Warning | MEG | McNairy | 34 min |
| Jan 22, 1:18 PM CST | Tornado Warning | MEG | Hardin | 32 min |
| Jan 22, 3:18 PM CST | Severe Thunderstorm Warning | MEG | Hardin, McNairy | 32 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 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; radar from the NEXRAD Level II archive.