Alert archive / Tennessee / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 196, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 21, 1997, 5:14 PM EDT for Anderson County, Knox County, Tennessee. It was in force for 61 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
- Jun 21, 1997, 5:14 PM EDT (21:14 UTC)
- Expired
- Jun 21, 1997, 6:15 PM EDT
- In force
- 61 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Anderson County, TN, Knox County, TN
The radar
The Knoxville radar (KMRX), 61 km from the middle of the area, began a volume at 21:17 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 |
|---|---|---|---|
| Jun 21, 5:30 PM EDT | Thunderstorm Wind | Claxton, 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
Nashville Metro, TN (KBNA), launched 12:00Z, 9.2 hours before the alert went out and 228 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
- 1908 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 3:15 PM EDT, 1 hour 59 minutes earlier.
Area forecast discussion, Jun 21, 3:15 PM EDT, 1 hour 59 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 315 PM EDT SAT JUN 21 1997 LITTLE TIME FOR ANYTHING ELSE BUT WARNINGS...MOST ACTIVITY HAS BEEN IN SE TN AND ALONG APAL SPINE. HVY RAINS WITH PULSE SVR...ISOL TO SCTD COVERAGE. XPCT PK ACTIVITY STILL AN HOUR OR TWO AHD...THEN CALMING DOWN THIS EVE. SMH
In the hours before
Local storm report, Jun 21, 2:41 PM EDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
241 PM EDT SAT JUN 21 1997
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
200 PM RANGER NC 1.75 INCH HAIL
06/21/97 CHEROKEE GOLFBALL SIZE HAIL REPORTED
IN RANGER. REPORTED BY HAM
RADIO OPERATOR.
200 PM CULBERSON NC 1.00 INCH HAIL
06/21/97 CHEROKEE QUARTER SIZE HAIL REPORTED
ON HIGHWAY 60 OFF OF HIGHWAY
64. REPORTED BY THE
SHERIFF'S OFFICE.
210 PM REDBANK TN 0.75 INCH HAIL
06/21/97 HAMILTON DIME SIZE HAIL REPORTED IN
THE RED BANK COMMUNITY OF
CHATTANOOGA. REPORTED BY A
PARAMEDIC AND ALSO REPORTED
BY THE SHERIFF'S OFFICE.
ZLocal storm report, Jun 21, 4:30 PM EDT, 44 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 1:31 PM EDT | Flash Flood Warning | MRX | Polk | 59 min |
| Jun 21, 1:31 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 59 min |
| Jun 21, 2:08 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 67 min |
| Jun 21, 2:33 PM EDT | Flash Flood Warning | MRX | Hamilton | 117 min |
| Jun 21, 2:39 PM EDT | Flash Flood Warning | MRX | Morgan | 2 hr |
| Jun 21, 3:00 PM EDT | Flash Flood Warning | MRX | Blount, Monroe | 2 hr |
| Jun 21, 3:00 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Monroe | 2 hr |
| Jun 21, 3:30 PM EDT | Flash Flood Warning | MRX | Sevier | 2 hr |
| Jun 21, 3:30 PM EDT | Severe Thunderstorm Warning | MRX | Sevier | 2 hr |
| Jun 21, 3:56 PM EDT | Severe Thunderstorm Warning | MRX | Meigs | 49 min |
| Jun 21, 4:41 PM EDT | Severe Thunderstorm Warning | MRX | Cocke | 64 min |
| Jun 21, 5:31 PM EDT | Severe Thunderstorm Warning | MRX | Hamblen | 29 min |
| Jun 21, 1:57 PM EDT | Severe Thunderstorm Warning | MRX | Cherokee | 63 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997
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.