Alert archive / Tennessee / Flash Flood Warnings in 1997
Flash Flood Warning 7, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Mar 5, 1997, 11:41 AM EST for Anderson County, Campbell County, Union County, Tennessee. It was in force for 4 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
- Mar 5, 1997, 11:41 AM EST (16:41 UTC)
- Expired
- Mar 5, 1997, 3:45 PM EST
- In force
- 4 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Anderson County, TN, Campbell County, TN, Union County, TN
The radar
The Knoxville radar (KMRX), 60 km from the middle of the area, began a volume at 16:43 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 4.7 hours before the alert went out and 325 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
- 11 J/kg
- Mixed-layer CIN
- -224 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 153 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 051643 FFWMRX TNC001-013-025-035-049-067-129-151-173-VAC105-052045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN 1141 AM EST (1041 AM CST) WED MAR 5 1997 THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 345 PM EST (245 PM CST) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST TENNESSEE ...ANDERSON COUNTY...CAMPBELL COUNTY...CLAIBORNE COUNTY ...CUMBERLAND COUNTY...FENTRESS COUNTY...HANCOCK COUNTY ...MORGAN COUNTY...SCOTT COUNTY...UNION COUNTY IN SOUTHWEST VIRGINIA ...LEE COUNTY HEAVY RAINS SHOWERS FALLING OVER A WIDESPREAD AREA ARE CAUSING CREEKS AND STREAMS TO RISE RAPIDLY. SEVERAL ROADS HAVE BEEN CLOSED AND SOME BRIDGES ARE UNDER WATER. THIS IS A DANGEROUS SITUATION. HEAVY RAINS WILL CONTINUE TO FALL ON SATURATED GROUND AND HIGH WATER FOR THE NEXT SEVERAL HOURS. DO NOT DRIVE YOUR VEHICLE INTO AhREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Mar 5, 9:45 AM EST, 1 hour 56 minutes earlier.
Area forecast discussion, Mar 5, 9:45 AM EST, 1 hour 56 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 935 AM EST WED MAR 5 1997 STILL HAVE AFOS PROBLEMS...SO WILL LIKELY REMAIN UNDER DEDICATED BACK-UP TO MEM MOST OF THE MRNG...IF NOT ALL DAY. BNA/MRX RADAR SHOWS A LARGE AREA OF SHOWERS AND THUNDERSTORMS MOVING ACRS MID-TN INTO NRN PLATEAU. RADAR SHOWS SOME OF THE THUNDERSTORMS BOWING OUT WITH LOCALLY STG WINDS BEING REPORTED. BOTH BNA/MRX VWP SHOWS STG WINDS ALOFT WITH GRIDDED DATA SHOWING GENERALLY UNIDIRECTIONAL WINDS ALOFT THIS AFTERNOON...SO EXPECT STRAIGHT LINE WIND DAMAGE WILL REMAIN A THREAT. ALSO...RELATIVELY LOW WBZ ARE CONTRIBUTING TO PRODUCING LARGE HAIL. WE HAD A REPORT OF NICKEL SIZE HAIL ACRS NRN FENTRESS COUNTY. WOULD SUGGEST INCLUDING...SOME STORMS MAY PRODUCE LARGE HAIL AND DAMAGING WINDS FOR THIS AFTERNOON ACROSS EAST TENNESSEE AND CHEROKEE AND CLAY COUNTIES. RADAR IS ALSO SHOWING SOME TRAINING OF CELLS WITH MRX WSR-88D ESTIMATING UP TO ONE AN HOUR WITH THE STRONGER THUNDERSTORMS. GRIDDED DATA SHOWS HIGH PWS (AROUND 1.2 INCHES ~ ABOUT 275 PERCENT ABOVE NORMAL) EXPECTED ACROSS THE FORECAST AREA...SO FLASH FLOODING A DEFINITE THREAT FOR THIS AFTERNOON AND EVENING. HAVE A GOOD DAY... DH
In the hours before
Local storm report, Mar 5, 10:44 AM EST, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
1040 AM EST WED MAR 5 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0856 AM JUST NORTH OF JAMESTOWN TN .88 INCH HAIL
03/05/97 FENTRESS NICKEL SIZE HAIL JUST NORTH
OF JAMESTOWN REPORTED TO
WDEB BY THE PUBLIC.
0930 AM NORTHWEST SCOTT COUNTY TN 0.75 INCH HAIL
03/05/97 SCOTT DIME SIZE HAIL REPORTED BY
THE PUBLIC IN NORTHWEST
SCOTT COUNTY
1005 AM SOUTHERN FENTRESS TN 0.75 INCH HAIL
03/05/97 FENTRESS DIME SIZE HAIL REPORTED BY
SHERIFF'S DEPARTMENT IN
SOUTHERN FENTRESS COUNTY.
1030 AM HUNTSVILLE TN 0.75 INCH HAIL
03/05/97 SCOTT DIME SIZE HAIL COVERED THE
GROUND IN HUNTSVILLE. REPORTED
BY COUNTY DISPATCH.Local storm report, Mar 5, 11:21 AM EST, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
1118 AM EST WED MAR 5 1997
TIME(EST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1050 AM CAMPBELL COUNTY TN TORNADO
03/05/97 CAMPBELL TORNADO ON THE GROUND NEAR
SCOTT/CAMPBELL LINE MOVING
TOWARD CARYVILLE. DAMAGE WAS
OCCURRING. DAMAGE UNKNOWN AT
THIS TIME. REPORTED BY
HIGHWAY PATROL OFFICER.
REPORT RECEIVED AT 1053 AT NWS.
1104 AM CARYVILLE TN TORNADO
CAMPBELL ALONG I-75 NEAR CARYVILLE.
REPORTED BY 911 DISPATCH.The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 8:38 AM EST | Severe Thunderstorm Warning | MRX | Fentress | 52 min |
| Mar 5, 8:54 AM EST | Severe Thunderstorm Warning | MRX | Scott | 66 min |
| Mar 5, 9:39 AM EST | Severe Thunderstorm Warning | MRX | Cumberland, Fentress | 66 min |
| Mar 5, 9:59 AM EST | Severe Thunderstorm Warning | MRX | Morgan | 61 min |
| Mar 5, 10:04 AM EST | Severe Thunderstorm Warning | MRX | Scott | 56 min |
| Mar 5, 10:21 AM EST | Severe Thunderstorm Warning | MRX | Campbell | 69 min |
| Mar 5, 10:47 AM EST | Severe Thunderstorm Warning | MRX | Claiborne, Union | 58 min |
| Mar 5, 10:53 AM EST | Tornado Warning | MRX | Campbell | 37 min |
| Mar 5, 11:30 AM EST | Tornado Warning | MRX | Anderson, Campbell, Morgan, Scott | 60 min |
| Mar 5, 11:35 AM EST | Severe Thunderstorm Warning | MRX | Hancock | 55 min |
| Mar 5, 11:41 AM EST | Flash Flood Warning | MRX | Cumberland, Fentress, Morgan, Scott | 4 hr |
| Mar 5, 11:41 AM EST | Flash Flood Warning | MRX | Claiborne, Hancock | 4 hr |
| Mar 5, 11:59 AM EST | Flash Flood Warning | MRX | Claiborne, Union | 46 min |
| Mar 5, 11:59 AM EST | Severe Thunderstorm Warning | MRX | Claiborne, Union | 46 min |
| Mar 5, 12:49 PM EST | Flash Flood Warning | MRX | Grainger, Hawkins | 4 hr |
| Mar 5, 2:10 PM EST | Severe Thunderstorm Warning | MRX | Rhea, Roane | 35 min |
| Mar 5, 2:36 PM EST | Severe Thunderstorm Warning | MRX | Knox, Loudon | 39 min |
| Mar 5, 2:54 PM EST | Severe Thunderstorm Warning | MRX | Blount, Sevier | 36 min |
| Mar 5, 3:29 PM EST | Severe Thunderstorm Warning | MRX | Cocke, Greene | 61 min |
| Mar 5, 4:09 PM EST | Severe Thunderstorm Warning | MRX | Carter | 51 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.