Alert archive / Tennessee / Flash Flood Warnings in 2012
Flash Flood Warning 8, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Jun 14, 2012, 9:13 PM EDT for Morgan County, Roane County, Tennessee. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 14, 2012, 9:13 PM EDT (01:13 UTC)
- Expired
- Jun 15, 2012, 12:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morgan County, TN, Roane County, TN
The radar
The Knoxville radar (KMRX), 100 km from the middle of the area, began a volume at 01:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 9:40 PM EDT | FLASH FLOOD | 4 Ssw Oliver Springs, TN | MUDSLIDE OVER HARRIMAN HWY. TDOT ON THE SCENE. |
| Jun 14, 10:05 PM EDT | FLASH FLOOD | 7 Sw Oliver Springs, TN | WATER COVERING ROCK BRIDGE RD. ROAD NOT PASSABLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 1.2 hours before the alert went out and 191 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
- 67 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 2264 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
829 WGUS54 KMRX 150113 FFWMRX TNC129-145-150415- /O.NEW.KMRX.FF.W.0008.120615T0113Z-120615T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MORRISTOWN TN 913 PM EDT THU JUN 14 2012 THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN MORGAN COUNTY IN EAST TENNESSEE... ROANE COUNTY IN EAST TENNESSEE... * UNTIL 1215 AM EDT * AT 912 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OLIVER SPRINGS PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3603 8459 3604 8434 3590 8429 3589 8462 $$ MJB
1 follow-up statement
819 WGUS74 KMRX 150234 FFSMRX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1034 PM EDT THU JUN 14 2012 TNC129-145-150415- /O.CON.KMRX.FF.W.0008.000000T0000Z-120615T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ROANE TN-MORGAN TN- 1034 PM EDT THU JUN 14 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT FOR SOUTHERN MORGAN AND ROANE COUNTIES... AT 1027 PM EDT...3 TO 6 INCHES OF RAIN HAD FALLEN ACROSS THE WARNED AREA. AN ADDITIONAL HALF INCH OF RAIN IS POSSIBLE THROUGH MIDNIGHT. LOCAL LAW ENFORCEMENT OFFICIALS HAVE REPORTED A MUDSLIDE OVER HARRIMAN HWY APPROXIMATELY 4 MILES SOUTH OF OLIVER SPRING. TDOT IS ON THE SCENE. ALSO...APPROXIMATELY 7 MILES SOUTHWEST OF OLIVER SPRINGS...WATER IS COVERING ROCK BRIDGE RD MAKING IT IMPASSABLE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DEARMOND AND OAKDALE PRECAUTIONARY/PREPAREDNESS ACTIONS... BE VERY CAREFUL AT NIGHT WHEN IT BECOMES DIFFICULT TO SEE FLOODING. IF YOU SEE FLASH FLOODING...ACT NOW! MOVE TO HIGHER GROUND IMMEDIATELY! GET OUT OF FLOODED AREAS NOW. IF YOU COME TO A FLOODED OR CLOSED ROAD...TURN AROUND! DON'T DROWN! THIS IS A LIFE THREATENING SITUATION. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3603 8459 3604 8434 3590 8429 3589 8462 $$ MJB
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:15 PM EDT | Areal Flood Advisory | MRX | Bledsoe, Rhea | 3 hr |
| Jun 14, 8:26 PM EDT | Severe Thunderstorm Warning | MRX | Morgan, Roane | 49 min |
| Jun 14, 8:29 PM EDT | Severe Thunderstorm Warning | MRX | Bledsoe, Hamilton, Rhea | 46 min |
Nearby
Flash Flood Warnings in Tennessee, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.