Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 234, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Oct 24, 2001, 6:21 PM CDT for Chester County, Henderson County, Tennessee. It was in force for 39 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
- Oct 24, 2001, 6:21 PM CDT (23:21 UTC)
- Expired
- Oct 24, 2001, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Chester County, TN, Henderson County, TN
The radar
The Memphis radar (KNQA), 126 km from the middle of the area, began a volume at 23:24 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 |
|---|---|---|---|
| Oct 24, 6:45 PM CDT | Thunderstorm Wind | Henderson, TN | Some trees were blown down across the northern and eastern sections of the town of Henderson. |
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 |
|---|---|---|---|
| Oct 24, 6:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.4 hours before the alert went out and 153 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
- 753 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 138 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 24, 3:40 PM CDT, 2 hours 41 minutes earlier.
Area forecast discussion, Oct 24, 3:40 PM CDT, 2 hours 41 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 340 PM CDT WED OCT 24 2001 THE STRONG COLD FRONT CURRENTLY APPROACHING OUR NW COUNTIES WILL MOVE THROUGH THE ENTIRE CWA FROM NOW THROUGH LATE EVENING. A LINE OF TSTMS WILL FOLLOW THE FRONT FROM W TO E THROUGH THE EVENING. EXPECT AN ABRUPT DROP IN TEMPS BEHIND THE FRONT LATER TNT. THE REST OF THE FCST PERIOD LOOKS DRY WITH COOLER THAN NORMAL TEMPS. PRELIM VALUES MEM 47/63/38/63 5000 MKL 44/60/33/60 8000 JBR 43/61/35/62 1000 TUP 49/65/36/62 5000 .MEG...WIND ADVISORY ALLOWED TO EXPIRE. 012
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 5:38 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tunica | 52 min |
| Oct 24, 6:17 PM CDT | Severe Thunderstorm Warning | MEG | Marshall | 43 min |
| Oct 24, 6:26 PM CDT | Severe Thunderstorm Warning | MEG | Panola | 49 min |
| Oct 24, 6:32 PM CDT | Severe Thunderstorm Warning | MEG | Benton | 43 min |
| Oct 24, 6:34 PM CDT | Tornado Warning | MEG | Panola | 26 min |
| Oct 24, 6:48 PM CDT | Severe Thunderstorm Warning | MEG | Tippah | 42 min |
| Oct 24, 6:53 PM CDT | Tornado Warning | MEG | Panola | 37 min |
| Oct 24, 6:57 PM CDT | Severe Thunderstorm Warning | MEG | Marshall | 33 min |
| Oct 24, 4:40 PM CDT | Severe Thunderstorm Warning | MEG | Lake | 35 min |
| Oct 24, 4:52 PM CDT | Severe Thunderstorm Warning | MEG | Dyer | 38 min |
| Oct 24, 4:58 PM CDT | Severe Thunderstorm Warning | MEG | Lauderdale, Tipton | 47 min |
| Oct 24, 5:09 PM CDT | Severe Thunderstorm Warning | MEG | Obion, Weakley | 51 min |
| Oct 24, 5:12 PM CDT | Severe Thunderstorm Warning | MEG | Shelby | 63 min |
| Oct 24, 5:19 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Gibson | 41 min |
| Oct 24, 5:19 PM CDT | Severe Thunderstorm Warning | MEG | Haywood | 41 min |
| Oct 24, 5:40 PM CDT | Severe Thunderstorm Warning | MEG | Fayette | 50 min |
| Oct 24, 5:55 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Madison | 50 min |
| Oct 24, 5:55 PM CDT | Severe Thunderstorm Warning | MEG | Haywood | 50 min |
| Oct 24, 6:01 PM CDT | Severe Thunderstorm Warning | MEG | Henry | 29 min |
| Oct 24, 6:06 PM CDT | Severe Thunderstorm Warning | MEG | Hardeman | 39 min |
| Oct 24, 6:37 PM CDT | Severe Thunderstorm Warning | MEG | McNairy | 38 min |
| Oct 24, 6:47 PM CDT | Severe Thunderstorm Warning | MEG | Decatur, Hardin | 43 min |
| Oct 24, 2:37 PM CDT | Severe Thunderstorm Warning | MEG | Randolph | 38 min |
| Oct 24, 3:12 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 48 min |
| Oct 24, 3:15 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence | 45 min |
| Oct 24, 3:18 PM CDT | Severe Thunderstorm Warning | MEG | Randolph | 27 min |
| Oct 24, 3:25 PM CDT | Severe Thunderstorm Warning | MEG | Greene | 50 min |
| Oct 24, 3:56 PM CDT | Severe Thunderstorm Warning | MEG | Clay | 49 min |
| Oct 24, 4:01 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Poinsett | 44 min |
| Oct 24, 4:32 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 43 min |
| Oct 24, 4:33 PM CDT | Severe Thunderstorm Warning | MEG | Cross, St. Francis | 42 min |
| Oct 24, 4:46 PM CDT | Severe Thunderstorm Warning | MEG | Poinsett | 29 min |
| Oct 24, 4:58 PM CDT | Severe Thunderstorm Warning | MEG | Phillips | 47 min |
| Oct 24, 5:12 PM CDT | Severe Thunderstorm Warning | MEG | St. Francis | 63 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2001Every severe thunderstorm warning in 2001
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.