Alert archive / Tennessee / Flash Flood Warnings in 1998
Flash Flood Warning 3, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jan 7, 1998, 10:07 AM CST for Cumberland County, Rhea County, Roane County, Tennessee. It was in force for 9 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
- Jan 7, 1998, 10:07 AM CST (16:07 UTC)
- Expired
- Jan 7, 1998, 7:15 PM CST
- In force
- 9 hr
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Cumberland County, TN, Rhea County, TN, Roane County, TN
The radar
The Knoxville radar (KMRX), 133 km from the middle of the area, began a volume at 16:09 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
Nashville Metro, TN (KBNA), launched 12:00Z, 4.1 hours before the alert went out and 165 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
- 10 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 108 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 071614 FFWMRX TNC011-013-035-049-065-107-121-129-143-145-151-080115- BULLETIN - EAS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN 1107 AM EST (1007 AM CST) WED JAN 7 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 815 PM EST (715 PM CST) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST TENNESSEE ...BRADLEY COUNTY...CAMPBELL COUNTY...CUMBERLAND COUNTY ...FENTRESS COUNTY...HAMILTON COUNTY...MCMINN COUNTY...MEIGS COUNTY ...MORGAN COUNTY...RHEA COUNTY...ROANE COUNTY...SCOTT COUNTY FLOODING FROM HEAVY RAINS HAS BEGUN TO OCCUR ALONG THE CUMBERLAND PLATEAU AND AREAS JUST TO THE EAST. HEAVY RAIN IN THE MOUNTAINS AND LOWLANDS IS CAUSING WIDESPREAD FLOODING OF STREAMS AND ROADWAYS. NUMEROUROADS HAVE BEEN CLOSED AND CLOSURES WILL LIKELY CONTINUE. THE RAIN CAUSING THIS SITUATION EXTENDS INTO THE DEEP SOUTH AND THE WHOLE SYSTEM IS MOVING VERY SLOWLY EASTWARD. MODERATE TO HEAVY RAIN WILL CONTINUE THROUGH TODAY AND OVERNIGHT. A FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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 Jan 7, 9:15 AM CST, 52 minutes earlier.
Area forecast discussion, Jan 7, 9:15 AM CST, 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1015 AM EST WED JAN 7 1998 TEMPS VERY CLOSE TO FCST HIGHS. WITH LOW CLD COVER AND STRATIFORM RAIN DON'T THINK WE'LL SEE MUCH MOVExMENT THIS AFTN SO CAN LEAVE AS IS. THUNDER SEEMS TO BE CONFINED TO SRN AL AND FL PANHANDLE. HAVE SEEN AN OCCNL STRIKE IN UPSTATE SC AND WRN NC SO WOULD LEAVE IN MENTION OF THNDR. ALL IN ALL..CURRENT FCST LOOKS IN GOOD SHAPE. HSA
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 10:07 AM CST | Flash Flood Warning | MRX | Campbell, Fentress, Morgan, Scott | 9 hr |
| Jan 7, 10:07 AM CST | Flash Flood Warning | MRX | Bradley, Hamilton, McMinn, Meigs | 9 hr |
| Jan 7, 2:35 PM CST | Flash Flood Warning | MRX | Hamilton | 20 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; radar from the NEXRAD Level II archive.