Alert archive / Tennessee / Flash Flood Warnings in 1998
Flash Flood Warning 95, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 10, 1998, 1:33 PM EDT for Morgan County, Roane 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 10, 1998, 1:33 PM EDT (17:33 UTC)
- Expired
- Jun 10, 1998, 4:35 PM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Morgan County, TN, Roane County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.6 hours before the alert went out and 182 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
- 3323 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 101734 FFWMRX TNC121-129-143-145-102035- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 133 PM EDT WED JUN 10 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * FLASH FLOOD WARNING FOR... MEIGS COUNTY IN EASTERN TENNESSEE SOUTHERN MORGAN COUNTY IN EASTERN TENNESSEE RHEA COUNTY IN EASTERN TENNESSEE ROANE COUNTY IN EASTERN TENNESSEE * UNTIL 435 PM EDT * AT 130 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT CLUSTERS OF THUNDERSTORMS WITH VERY HEAVY RAIN WERE LOCATED SOUTHERN CUMBERLAND...RHEA...MEIGS...SOUTHERN MORGAN AND ROANE COUNTIES... MOVING SLOWLY EAST. * EXCESSIVE RAINFALL AT THE RATE OF 2 INCHES PER HOUR WILL PRODUCE FLOODING ACROSS SOUTHERN CUMBERLAND AND MORGAN...ALL OF RHEA... MEIGS...AND ROANE THROUGH 440 PM 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 10, 9:35 AM EDT, 3 hours 58 minutes earlier.
Area forecast discussion, Jun 10, 9:35 AM EDT, 3 hours 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 935 AM EDT WED JUN 10 1998 ...ONCE AGAIN MAIN FORECAST CHALLANGES ARE PRECIP CHCS AND TEMPS... CURRENT SURFACE ANALYSIS SHOWS THE WARM FRONT STRUGGLING TO MOVE NORTH THROUGH THE MOUNTIANS. FRONT CURRENTLY LYING ALONG A CHA TO CSV LINE AND NORTH FROM THERE. SOUTH AND WEST OF THIS FRONT VERY UNSTABLE AIRMASS...WITH CAPES TO 3600 AND LIS TO -10...K VALUES AOB 40. SO SOME OF THE SHOWERS AND THUDNERSTORMS COULD BECOME SEVERE AND PRODUCE LOCALLY HEAVY RAIN. RIDGING SURFACE AND ALOFT ALLOWING THE STORMS TO MOVE SOUTHEAST THROUGH THE CWA. NEW DEVELOPMENT BEING SEEN ALONG AN OLD BOUNDARY SOUTHWEST KY...WHICH SHOULD HOLD TOGETHER GIVEN THE AMOUNT OF MOISTURE AND WILL EVENTUALLY MAKE IT ACROSS THE STATE. A FEW CHANGES IN CURRENT ZONES NEEDED FOR WORDING. ONGOING TEMP FORECAST LOOKS GOOD...BUT MAY BE SLIGHTLY WARM GIVEN THE CLOUD COVER AND SCATTERED THUNDERSTORMS. RECOMMENDATIONS... FOR CRW (SW VA COUNTIES) .THIS AFTERNOON...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUDNERSTORMS. HIGH 75 TO 80. SOUTHWEST WIND 5 TO 10 MPH. CHANCE FOR PRECIPITATION 40 PERCENT. FOR MEM... NE TN... .THIS AFTERNOON...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH 75 TO 80. SOUTHWEST WIND 10 TO 15 MPH. CHANCE FOR PRECIPITATION 40 PERCENT. PLATEAU AND CENTRAL EAST TN... .THIS AFTERNOON...MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND THUNDERSTORMS. HIGH NEAR 80. SOUTHWEST WIND 10 TO 15 MPH. CHANCE FOR PRECIPITATION 30 PERCENT. SE TN AND SMOKY MOUNTAINS... .THIS AFTERNOON...MOSTLY CLOUDY WITH A GOOD CHANCE FOR SHOWERS AND THUNDERSTORMS. HIGH NEAR 80 (SE) AND AROUND 75 (MNTS.). SOUTHWEST WIND 10 TO 15 MPH. CHANCE FOR PRECIPITATION 50 PERCENT. FOR RDU... .THIS AFTERNOON...MOSTLY CLOUDY WITH A GOOD CHANCE FOR SHOWERS AND THUNDERSTORMS. HIGH AROUND 80. CHANCE FOR PRECIPITATION 50 PERCENT. THANKS... PDK
In the hours before
Local storm report, Jun 10, 8:40 AM EDT, 4 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
840 AM EDT WED JUN 10 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
250 AM LEBANON VA WIND DAMAGE
06/10/98 RUSSELL TREES REPORTED DOWN IN THE
LEBANON AREA BY EMA
320 AM IN GLADE SPRINGS VA 0.75 INCH HAIL
06/10/98 WASHINGTON DIME SIZE HAIL REPORTED IN
THE TOWN OF GLADE SPRINGS.
REPORTED BY GLADE SPRINGS
POLICE DEPARTMENT AND
RECEIVED FROM THE SHERIFFS
DISPATCH.
545 AM LEBANON VA WIND DAMAGE
06/10/98 RUSSELL NUMEROUS TREES DOWN IN
LEBANONThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 2:43 AM EDT | Severe Thunderstorm Warning | MRX | Campbell | 47 min |
| Jun 10, 3:44 AM EDT | Severe Thunderstorm Warning | MRX | Johnson | 36 min |
| Jun 10, 11:25 AM EDT | Severe Thunderstorm Warning | MRX | Cumberland | 60 min |
| Jun 10, 11:54 AM EDT | Severe Thunderstorm Warning | MRX | Rhea | 46 min |
| Jun 10, 12:02 PM EDT | Flash Flood Warning | MRX | Cumberland | 3 hr |
| Jun 10, 12:27 PM EDT | Severe Thunderstorm Warning | MRX | Cumberland | 63 min |
| Jun 10, 12:33 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 62 min |
| Jun 10, 12:52 PM EDT | Severe Thunderstorm Warning | MRX | Roane | 48 min |
| Jun 10, 1:07 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 33 min |
| Jun 10, 1:11 PM EDT | Severe Thunderstorm Warning | MRX | Meigs | 34 min |
| Jun 10, 1:18 PM EDT | Severe Thunderstorm Warning | MRX | Monroe | 62 min |
| Jun 10, 1:24 PM EDT | Severe Thunderstorm Warning | MRX | Loudon, McMinn | 66 min |
| Jun 10, 1:24 PM EDT | Severe Thunderstorm Warning | MRX | Rhea | 66 min |
| Jun 10, 1:33 PM EDT | Flash Flood Warning | MRX | Meigs, Rhea | 3 hr |
| Jun 10, 1:36 PM EDT | Severe Thunderstorm Warning | MRX | Blount | 19 min |
| Jun 10, 1:38 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 62 min |
| Jun 10, 1:40 PM EDT | Severe Thunderstorm Warning | MRX | Bradley | 65 min |
| Jun 10, 2:31 PM EDT | Tornado Warning | MRX | Bradley | 64 min |
| Jun 10, 2:34 PM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 61 min |
| Jun 10, 2:34 PM EDT | Severe Thunderstorm Warning | MRX | Polk | 61 min |
| Jun 10, 2:46 PM EDT | Flash Flood Warning | MRX | Cumberland | 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.