Alert archive / Tennessee / Flash Flood Warnings in 1992
Flash Flood Warning 2, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Sep 10, 1992, 5:26 PM EDT for Greene County, Tennessee. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Sep 10, 1992, 5:26 PM EDT (21:26 UTC)
- Expired
- Sep 10, 1992, 6:30 PM EDT
- In force
- 64 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Greene County, TN
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 12:00Z, 9.4 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
- 758 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTRI 102149 FFWTRI TNC059-102230- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BRISTOL TN 526 PM EDT THU SEP 10 1992 THE NATIONAL WEATHER SERVICE IN BRISTOL HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 630 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST TENNESSEE ...EASTERN GREENE COUNTY A THUNDERSTORM WITH VERY HEAVY RAIN ALONG THE TENNESSEE/NORTH CAROLINA BORDER IS DUMPING LARGE AMOUNTS OF RAINFALL OVER THE EASTERN PART OF GREENE COUNTY. THE NATIONAL WEATHER SERVICE RAIN GAGE ON VIKING MOUNTA IS SHOWING OVER TWO INCHES OF RAIN HAS FALLEN IN THE PAST HOUR. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH 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. MOST DEATHS IN FLASH FLOODING 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.
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.
In the hours before
Special weather statement, Sep 10, 2:20 PM EDT, 3 hours 6 minutes before
TNZ001-002-004-005-008-102015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KNOXVILLE TN 220 PM EDT (120 PM CDT) THU SEP 10 1992 ....THUNDERSTORMS BUILDING OVER NORTHERN CUMBERLAND PLATEAU... AT 210 PM EDT HEAVY THUNDERSTORMS WERE RUMBLING ACROSS SCOTT, MORGAN AND CUMBERLAND COUNTIES. THE SCOTT COUNTY SHERIFFS OFFICE REPORTED VERY HEAVY RAIN AND SMALL HAIL JUST WEST OF HUNTSVILLE AROUND 2 PM EDT. THESE STORMS WERE MOVING TO THE EAST AT 15 MPH. THE HEAVIEST THUNDERSTORM WAS IN SOUTHERN SCOTT COUNTY SOUTH OF HUNTSVILLE. OTHER HEAVY THUNDERSTORMS WERE IN SOUTHERN MORGAN WEST OF PETROS AND SOUTHERN CUMBERLAND COUNTY SOUTH OF CROSSVILLE. IF THESE STORMS APPROACH YOUR AREA TAKE COV&ER IN A STURDY BUILDING UNTIL THEY PASS. SLOW MOVING THUNDERSTORMS MAY CAUSE FLOODING OF STREETS AND SMALL STREAMS. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Local storm report, Sep 10, 3:58 PM EDT, 1 hour 28 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHATTANOOGA TN 357 PM EDT THU SEP 10 1992 COUNTY...RHEA SOURCE...RHEA COUNTY SHERIFFS OFFICE TIME...340 PM EDT LOCATION...NORTHERN RHEA COUNTY...IN AND AROUND 6THE CITY OF SPRING CITY... TYPE STORM...THUNDERSTORM. DAMAGE.......POWER LINES AND TREES BLOWN DOWN. INJURIES...NONE KNOWN.
Special weather statement, Sep 10, 4:27 PM EDT, 59 minutes before
TNZ001-002-003-004-005-008-016-102230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KNOXVILLE TN 426 PM EDT (326 PM CDT) THU SEP 10 1992 ...THUNDERSTORMS CONTINUES TO MOVE THROUGH EAST TENNESSEE... AT 415 PM EDT...WEATHER RADAR INDICATED A LINE OF STRONG THUNDER- STORMS MOVING EAST AT AROUND 20 MPH. AS THE STORMS MOVE THROUGH EAST TENNESSEE...SMALL HAIL...STRONG WINDS...VERY HEAVY RAIN WITH LOCALIZED FLOODING...AND DEADLY LIGHTNING CAN BE EXPECTED. 50 MPH WINDS AND DOWNED TREES HAVE BEEN REPORTED IN THE CITY OF KNOXVILLE. IF THREATENING WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY BUILDING UNTIL THE STORM PASSES. STAY TUNED TO THIS STATION FOR FURTHER UPDATES OR POSSIBLE WARNINGS.
Local storm report, Sep 10, 4:46 PM EDT, 40 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHATTANOOGA TN 447 PM EDT THU SEP 10 1992 COUNTY...RHEA SOURCE...RHEA COUNTY SHERIFFS OFFICE TIME...430 PM EDT LOCATION...CENTRAL RHEA COUNTY...NEAR THE EVENSVILLE COMMUNITY. TYPE STORM...THUNDERSTORM. DAMAGE.......TREES BLOWN DOWN. INJURIES...NONE KNOWN.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 3:14 PM EDT | Severe Thunderstorm Warning | MRX | Roane | 61 min |
Nearby
Flash Flood Warnings in Tennessee, 1992Every flash flood warning in 1992
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.