Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 104, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jul 3, 2001, 2:15 PM EDT for Knox County, Tennessee. It was in force for 30 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
- Jul 3, 2001, 2:15 PM EDT (18:15 UTC)
- Expired
- Jul 3, 2001, 2:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Knox County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 2:20 PM EDT | Hail 0.75 | Corryton, 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, 6.3 hours before the alert went out and 240 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
- 986 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
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 Jul 3, 9:35 AM EDT, 4 hours 40 minutes earlier.
Area forecast discussion, Jul 3, 9:35 AM EDT, 4 hours 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 935 AM EDT TUE JUL 3 2001 QUICK ZONE FORECAST UPDATE ALREADY SENT...ELIMINATING THE MENTION OF FOG THIS MORNING. AND...FOR THIS AFTERNOON...BUMPED HIGH TEMPERATURES IN THE SOUTHERN VALLEY TO NEAR 90 AND SOUTHWEST WINDS IN THE CENTRAL VALLEY. .MRX... NC...NONE. TN...NONE. VA...NONE. DH
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:03 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 42 min |
| Jul 3, 2:45 PM EDT | Flash Flood Warning | MRX | Carter | 3 hr |
| Jul 3, 2:57 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 48 min |
| Jul 3, 4:15 PM EDT | Flash Flood Warning | MRX | Sullivan | 3 hr |
| Jul 3, 3:25 PM EDT | Severe Thunderstorm Warning | MRX | Cherokee | 50 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.