Alert archive / Tennessee / Flash Flood Warnings in 1997
Flash Flood Warning 39, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 21, 1997, 2:39 PM EDT for Morgan County, Tennessee. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1997, 2:39 PM EDT (18:39 UTC)
- Expired
- Jun 21, 1997, 4:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Morgan County, TN
The radar
The Knoxville radar (KMRX), 112 km from the middle of the area, began a volume at 18:38 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 nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.7 hours before the alert went out and 175 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 211840 FFWMRX TNC129-212045- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN 239 PM EDT (139 PM CDT) SAT JUN 21 1997 THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 445 PM EDT (345 PM CDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST TENNESSEE ...NORTHERN MORGAN COUNTY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES OVER TWO INCHES OF RAIN IN THE LAST HOUR OVER NORTHERN MORGAN COUNTY...WEST OF SUNBRIGHT. THE THUNDERSTORM PRODUCING THIS RAIN IS MOVING VERY SLOWLY EAST SOUTHEAST...TOWARD SUNBRIGHT. VERY HEAVY RAIN WILL PRODUCE FLOODING OF CREEKS AND ROADS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
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, 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, 5:14 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 61 min |
| Jun 21, 5:31 PM EDT | Severe Thunderstorm Warning | MRX | Hamblen | 29 min |
Nearby
Flash Flood Warnings in Tennessee, 1997Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.