Alert archive / Tennessee / Flash Flood Warnings in 2011
Flash Flood Warning 36, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Jul 7, 2011, 4:54 PM CDT for Cumberland County, Putnam County, Tennessee. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2011, 4:54 PM CDT (21:54 UTC)
- Expired
- Jul 7, 2011, 7:00 PM CDT
- In force
- 2 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, TN, Putnam County, TN
The radar
The Nashville radar (KOHX), 126 km from the middle of the area, began a volume at 21:55 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, 9.9 hours before the alert went out and 128 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
- 1273 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 897 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
217
WGUS54 KOHX 072154
FFWOHX
TNC035-141-072345-
/O.NEW.KOHX.FF.W.0036.110707T2154Z-110707T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
454 PM CDT THU JUL 7 2011
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
SOUTHEASTERN PUTNAM COUNTY IN MIDDLE TENNESSEE...
* UNTIL 645 PM CDT
* AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. RADAR
ESTIMATED RAINFALL RATES UP TO 4 INCHES PER HOUR ACROSS THE
WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MONTEREY
AND MAYLAND.
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.
TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
NASHVILLE.
&&
LAT...LON 3615 8518 3615 8512 3614 8507 3593 8506
3592 8524 3598 8526 3619 8529
$$
SHAMBURGER1 follow-up statement
955 WGUS74 KOHX 072250 FFSOHX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 550 PM CDT THU JUL 7 2011 TNC035-141-080000- /O.CON.KOHX.FF.W.0036.000000T0000Z-110708T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ CUMBERLAND TN-PUTNAM TN- 550 PM CDT THU JUL 7 2011 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN PUTNAM AND NORTHWESTERN CUMBERLAND COUNTIES UNTIL 700 PM CDT... AT 543 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS THAT EARLIER PRODUCED VERY HEAVY RAINFALL ARE ENDING ACROSS THE WARNED AREA. HOWEVER...RADAR ESTIMATES UP TO 4 INCHES OF RAIN FELL ACROSS THE WARNED AREA IN THE PAST TWO HOURS. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...MONTEREY AND MAYLAND. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN NASHVILLE. && LAT...LON 3616 8527 3614 8513 3595 8507 3594 8522 $$ SHAMBURGER
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:51 PM CDT | Special Weather Statement | OHX | Bedford, Coffee, Giles, Grundy, Lawrence, Lewis and 5 more | 54 min |
| Jul 7, 3:26 PM CDT | Flash Flood Warning | OHX | Davidson, Williamson | 2 hr |
| Jul 7, 5:33 PM CDT | Areal Flood Advisory | OHX | Williamson | 117 min |
Nearby
Flash Flood Warnings in Tennessee, 2011Every flash flood warning in 2011
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.