Alert archive / Tennessee / Flash Flood Warnings in 1998
Flash Flood Warning 76, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 1, 1998, 1:30 AM EDT for Anderson County, Knox County, Tennessee. It was in force for 3 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 1, 1998, 1:30 AM EDT (05:30 UTC)
- Expired
- Jun 1, 1998, 4:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Anderson County, TN, Knox County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.5 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
- 3629 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1064 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 5.1
- Supercell composite
- 21.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 010530 FFWMRX TNC001-093-010830- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 130 AM EDT MON JUN 1 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... ANDERSON COUNTY IN EASTERN TENNESSEE KNOX COUNTY IN EASTERN TENNESSEE * UNTIL 430 AM EDT * AT 130 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED OVER KNOX AND ANDERSON COUNTIES... MOVING SOUTHEAST AT 35 MPH. * EXCESSIVE RAINFALL AT THE RATE OF 2 INCHES PER HOUR WILL PRODUCE FLOODING ACROSS KNOX AND ANDERSON COUNTIES THROUGH 435 AM EDT. FLOODING AT HALLS CROSSROADS WAS REPORTED BY KNOX COUNTY SHERIFFS DEPARTMENT AT 130 AM EDT. DON'T DRIVE ACROSS FLOODED ROADS! MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.
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 May 31, 8:25 PM EDT, 5 hours 5 minutes earlier.
Area forecast discussion, May 31, 8:25 PM EDT, 5 hours 5 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 825 PM EDT SUN MAY 31 1998 MODIFIED BNA SOUNDING RATHER LETHAL THIS EVE WITH CAPE ARND 2800 AND HELICITY ARND 300. WITH THIS PROFILE...SUPERCELL STORMS MAY DEVELOP ALTHOUGH MAIN THREAT APPEARS TO BE DOWNBURST WIND AND HAIL. INITIAL LINE OF STORMS MOVG ALONG OUTFLOW WL REACH SW VA ZONES ARND 02Z AND LATER WHILE DEVELOPMENT WL OCCUR AFT MIDNITE MUCH OF THE REMAINDER OF THE FA WITH TE EXCEPTION OF EXTREME NE TN ZONES. STORMS WL REACH THIS AREA ARND 03-04Z. DONT EXPECT CD FNT ON PLATEAU UNTIL 08Z.
In the hours before
Local storm report, Jun 1, 12:39 AM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
1239 AM EDT MON JUN 1 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1155 PM CLAIRFIELD TN WIND DAMAGE
05/31/98 CLAIBORNE SEVERAL LARGE TREES DOWN IN
CLAIRFIELD AREA AND 2 PLUS
INCHES OF RAIN IN SPEEDWELL
REPORTED BY STORM SPOTTERLocal storm report, Jun 1, 12:54 AM EDT, 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
1254 AM EDT MON JUN 1 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1215 AM COUNTY WIDE TN WIND DAMAGE
06/01/98 CAMPBELL TREES DOWN COUNTY WIDE
REPORTED BY SHERIFF'S OFFICE
ALSO MINOR FLOODING ON
ROADWAYS
1250 AM RUTLEDGE TN WIND DAMAGE
06/01/98 GRAINGER 60 MPH WINDSLocal storm report, Jun 1, 1:24 AM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
124 AM EDT MON JUN 1 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
110 AM ONEIDA TN FLOODING
06/01/98 SCOTT WATER IN YARDS...WATER
COVERED ROADS...AND MUDSLIDE
IN ONEIDA
1258 AM LUTTRELL TN WIND DAMAGE
06/01/98 KNOX 50 TO 60 MPH WINDS SOUTH OF
LUTTRELL NEAR THE
KNOX-GRAINGER COUNTY LINEThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 10:25 PM EDT | Tornado Warning | MRX | Campbell | 50 min |
| May 31, 10:28 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne | 62 min |
| May 31, 10:43 PM EDT | Tornado Warning | MRX | Claiborne | 47 min |
| May 31, 10:52 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 63 min |
| May 31, 11:10 PM EDT | Severe Thunderstorm Warning | MRX | Campbell | 65 min |
| May 31, 11:30 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Claiborne, Union | 60 min |
| May 31, 11:30 PM EDT | Severe Thunderstorm Warning | MRX | Fentress, Morgan | 60 min |
| May 31, 11:54 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 66 min |
| Jun 1, 12:12 AM EDT | Flash Flood Warning | MRX | Campbell, Scott | 3 hr |
| Jun 1, 12:19 AM EDT | Severe Thunderstorm Warning | MRX | Grainger | 61 min |
| Jun 1, 12:28 AM EDT | Severe Thunderstorm Warning | MRX | Anderson | 62 min |
| Jun 1, 12:33 AM EDT | Severe Thunderstorm Warning | MRX | Claiborne | 47 min |
| Jun 1, 12:35 AM EDT | Severe Thunderstorm Warning | MRX | Campbell | 50 min |
| Jun 1, 12:45 AM EDT | Severe Thunderstorm Warning | MRX | Hamblen, Jefferson | 65 min |
| Jun 1, 12:45 AM EDT | Severe Thunderstorm Warning | MRX | Knox | 65 min |
| Jun 1, 1:00 AM EDT | Severe Thunderstorm Warning | MRX | Cocke, Sevier | 65 min |
| Jun 1, 1:00 AM EDT | Severe Thunderstorm Warning | MRX | Blount | 65 min |
| Jun 1, 2:02 AM EDT | Flash Flood Warning | MRX | Blount | 3 hr |
| Jun 1, 2:18 AM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 32 min |
| Jun 1, 2:20 AM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 30 min |
| Jun 1, 2:58 AM EDT | Severe Thunderstorm Warning | MRX | McMinn | 47 min |
| Jun 1, 4:24 AM EDT | Flash Flood Warning | MRX | Blount, Knox | 3 hr |
Nearby
Flash Flood Warnings in Tennessee, 1998Every flash flood warning in 1998
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.