Alert archive / Tennessee / Flash Flood Warnings in 1998
Flash Flood Warning 80, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 3, 1998, 8:37 PM EDT for Carter County, Johnson 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 3, 1998, 8:37 PM EDT (00:37 UTC)
- Expired
- Jun 3, 1998, 10:40 PM EDT
- In force
- 2 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Carter County, TN, Johnson County, TN
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.6 hours before the alert went out and 190 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
- 1245 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1770 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 220 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 040038 FFWMRX TNC019-091-040240- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 837 PM EDT WED JUN 3 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... CARTER COUNTY IN EASTERN TENNESSEE JOHNSON COUNTY IN EASTERN TENNESSEE * UNTIL 1040 PM EDT * AT AT 835 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED ALL OF CARTER COUNTY TENNESSEE AND SOUTHERN JOHNSON COUNTY TENNESSEE...MOVING SOUTHEAST AT 45 MPH. * EXCESSIVE RAINFALL AT THE RATE OF 1 TO 1.5 INCHES PER HOUR WILL PRODUCE FLOODING ACROSS IN CARTER COUNTY...STONY CREEK AND THE COMMUNITY OF HUNTER THROUGH 1040 PM EDT. IN JOHNSON COUNTY NEAR MOUNTAIN CITY AND ALONG HIGHWAY 421. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! PDK
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 3, 8:00 PM EDT, 37 minutes earlier.
Area forecast discussion, Jun 3, 8:00 PM EDT, 37 minutes before
AREA FORECAST DISCUSSION...CORRECTED NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 800 PM EDT WED JUN 3 1998 A LITTLE BUSY WITH TORNADO WARNINGS AND SEVERE THUNDERSTORMS. SUFFICE IT TO SAY THAT THE MODELS IN GENERAL AGREEMENT THAT SFC BOUNDARY WILL HANG AROUND UFN WITH SHORTWAVES LIFTING OUT OF SW UPR LOW. PW'S IN THE THE 1.6 TO 1.8 RANGE THU AND FRI AS FOCUS BECOME HEAVY RAIN/FF THREAT. THE NEXT SEVERAL DAYS LOOKS LIKE UNSETTLED PERIODS INBETWEEN THE OUTBREAKS OF SEVERE/HAZARDOUS WEATHER. FORECASTS LOOK FINE...AS LONG AS PCPN IS LIKELY THU INTO FRI WITH MENTION OF THUNDERSTORMS EACH PERIOD. BELV WILL NEED FFA ON THU...BUT SUGGEST WAITING FOR LATER SHIFT TO DO THAT. ALREADY SFC MOISTURE FLUX CONVERGENCE IN SE MO IS INCREASING RAPIDLY ALONG FRONT...IN PREPARATION FOR NEXT SHORT WAVE TO BRING IT THIS WAY. BOYD...MRX
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 8:02 PM EDT | Tornado Warning | MRX | Carter, Johnson | 63 min |
| Jun 3, 8:02 PM EDT | Tornado Warning | MRX | Unicoi, Washington | 63 min |
| Jun 4, 10:00 AM EDT | Severe Thunderstorm Warning | MRX | Johnson, Sullivan | 60 min |
| Jun 4, 1:15 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 45 min |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Johnson, Sullivan | 6 hr |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Carter, Washington | 6 hr |
| Jun 4, 2:56 PM EDT | Flash Flood Warning | MRX | Hawkins | 6 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.