Alert archive / Tennessee / Flash Flood Warnings in 2013
Flash Flood Warning 21, NWS Morristown, TN
NWS Morristown, TN issued this flash flood warning at Aug 9, 2013, 3:44 PM CDT for Bledsoe County, Tennessee. It was in force for 2 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
- Aug 9, 2013, 3:44 PM CDT (20:44 UTC)
- Expired
- Aug 9, 2013, 5:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
- Flood severity
- None
County Bledsoe County, TN
The radar
The Northeast Alabama radar (KHTX), 122 km from the middle of the area, began a volume at 20:46 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 |
|---|---|---|---|
| Aug 9, 4:10 PM CDT | FLASH FLOOD | Pikeville, TN | WATER COVERING PARTS OF THE ROAD ON OLD STATE HIGHWAY 28 AND BIG SPRING GAP ROAD. CAUTION SIGNS IN PLACE. |
| Aug 9, 5:30 PM CDT | FLASH FLOOD | 6 Ne Pikeville, TN | FLOODING ON BIG SPRINGS GAP ROAD, BEAVER HILL, AND COVE HILL ROAD. POLICE OFFICER REPORTS A BAD SITUATION. NO FURTHER DETAILS AVAILABLE AT THIS TIME. |
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 12:00Z, 8.7 hours before the alert went out and 140 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
- 1933 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
222
WGUS54 KMRX 092044
FFWMRX
TNC007-092245-
/O.NEW.KMRX.FF.W.0021.130809T2044Z-130809T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
344 PM CDT FRI AUG 9 2013
THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BLEDSOE COUNTY IN EAST TENNESSEE...
THIS INCLUDES THE CITY OF PIKEVILLE...
* UNTIL 545 PM CDT
* AT 341 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM NEAR PIKEVILLE...MOVING
NORTHEAST AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MELVINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MORRISTOWN.
&&
LAT...LON 3572 8528 3575 8528 3577 8525 3578 8504
3576 8503 3577 8491 3568 8499 3568 8498
3563 8504 3556 8522 3570 8530
$$
DGS1 follow-up statement
038
WGUS74 KMRX 092124
FFSMRX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
424 PM CDT FRI AUG 9 2013
TNC007-092245-
/O.CON.KMRX.FF.W.0021.000000T0000Z-130809T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BLEDSOE TN-
424 PM CDT FRI AUG 9 2013
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
BLEDSOE COUNTY...
AT 419 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING. THIS STORM WAS
LOCATED NEAR PIKEVILLE...MOVING NORTHEAST AT 10 MPH.
RADAR ESTIMATES THAT 4 TO 5 INCHES OF RAIN HAS FALLEN BETWEEN
PIKEVILLE AND MELVINE OVER THE PAST FEW HOURS. LOCAL LAW ENFOREMENT
HAS REPORTED SOME FLOODED ROADS IN THIS AREA. SOME CREEKS AND
STREAMS IN THIS AREA THAT MAY FLOOD INCLUDE COLD SPRING COVE
BRANCH...AND BEAVERDAM CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS. OTHER LOW LYING PLACES THAT NORMALLY
FLOOD EASILY COULD BECOME DEATH TRAPS. IF YOU COME TO A FLOODED OR
CLOSED ROAD...TURN AROUND! DON'T DROWN!
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
MORRISTOWN.
&&
LAT...LON 3572 8528 3575 8528 3577 8525 3578 8504
3576 8503 3577 8491 3568 8499 3568 8498
3563 8504 3556 8522 3570 8530
$$
DGSThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:20 PM CDT | Areal Flood Advisory | MRX | Bledsoe | 115 min |
| Aug 9, 3:12 PM CDT | Flash Flood Warning | MRX | Rhea, Roane | 2 hr |
| Aug 9, 4:44 PM CDT | Areal Flood Advisory | MRX | Blount, Knox, Loudon, McMinn, Monroe | 2 hr |
| Aug 9, 4:50 PM CDT | Areal Flood Advisory | MRX | Polk | 115 min |
| Aug 9, 5:46 PM CDT | Flash Flood Warning | MRX | Bledsoe | 3 hr |
Nearby
Flash Flood Warnings in Tennessee, 2013Every flash flood warning in 2013
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.