Alert archive / Tennessee / Flash Flood Warnings in 1998
Flash Flood Warning 77, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 1, 1998, 2:02 AM EDT for Blount 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, 2:02 AM EDT (06:02 UTC)
- Expired
- Jun 1, 1998, 5:05 AM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Blount County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 6.0 hours before the alert went out and 246 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 010602 FFWMRX TNC009-010905- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 202 AM EDT MON JUN 1 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN BLOUNT COUNTY IN EASTERN TENNESSEE * UNTIL 505 AM EDT * AT 201 AM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED OVER NORTHERN BLOUNT ... MOVING SOUTHEAST AT 35 MPH. * EXCESSIVE RAINFALL AT THE RATE OF 2 INCHES PER HOUR WILL PRODUCE FLOODING ACROSS NORTHERN BLOUNT THROUGH 505 AM EDT. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD!
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 Jun 1, 2:00 AM EDT, 2 minutes earlier.
Area forecast discussion, Jun 1, 2:00 AM EDT, 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 200 AM EDT MON JUN 1 1998 LITTLE TIME FOR AFD DUE TO SVR WEATHER. CD FRNT WILL MOVE EAST OF THE CWA THIS MRNG ALLOW CLOUDY SKIES THIS MORNING TO BECOME PARTLY CLOUDY THIS AFTERNOON. MAY NEED SOME EARLY MORNING POPS FOR SE TN/SW NC/ ERN TN MTNS...OTRW...A DRY FCST. MOSTLY CLEAR TO PARTLY CLOUDY SKIES AND LIGHT WINDS WILL ALLOW AREAS OF FOG TO DEVELOP TONIGHT...SOME LOCALLY DENSE. FNT WILL HANG UP JUST SOUTH OF THE CWA. WILL NEED TO WATCH OUT FOR THE POSSIBILITY OF NIGHTTIME CONVECTION RIDING ALONG THE STATIONARY FRONT LATE TONIGHT AND EARLY TUESDAY MORNING. FOR TUESDAY...PARTLY CLOUDY AND NEAR SEASONAL TEMPS. AS FOR TEMPS... PREFER THE FAN NOS... DH
In the hours before
Local storm report, Jun 1, 12:39 AM EDT, 1 hour 23 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, 1 hour 8 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, 38 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, 1:30 AM EDT | Flash Flood Warning | MRX | Anderson, Knox | 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.