Alert archive / Tennessee / Flash Flood Warnings in 2011
Flash Flood Warning 38, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Jul 12, 2011, 11:57 AM CDT for Putnam County, Tennessee. It was in force for 3 hr. 1 report 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
- Jul 12, 2011, 11:57 AM CDT (16:57 UTC)
- Expired
- Jul 12, 2011, 3:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
County Putnam County, TN
The radar
The Nashville radar (KOHX), 94 km from the middle of the area, began a volume at 17:00 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 |
|---|---|---|---|
| Jul 12, 12:00 PM CDT | FLOOD | Cookeville, TN | AT THE INTERSECTION OF JACKSON AND WILLOW AVENUE, ROADS WERE CLOSED DUE TO RISING WATER. |
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, 5.0 hours before the alert went out and 97 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
- 2386 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
239
WGUS54 KOHX 121657
FFWOHX
TNC141-122000-
/O.NEW.KOHX.FF.W.0038.110712T1657Z-110712T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1157 AM CDT TUE JUL 12 2011
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
PUTNAM COUNTY IN MIDDLE TENNESSEE...
THIS INCLUDES THE CITY OF COOKEVILLE...
* UNTIL 300 PM CDT
* AT 1156 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED FLASH FLOODING FROM THUNDERSTORMS OVER THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALGOOD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3626 8542 3624 8541 3623 8537 3618 8526
3606 8535 3610 8552 3603 8562 3605 8567
3608 8570 3609 8576 3625 8579 3621 8558
3628 8548
$$
311 follow-up statement
357
WGUS74 KOHX 121815
FFSOHX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
115 PM CDT TUE JUL 12 2011
TNC141-122000-
/O.CON.KOHX.FF.W.0038.000000T0000Z-110712T2000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PUTNAM TN-
115 PM CDT TUE JUL 12 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR PUTNAM COUNTY UNTIL 300
PM CDT...
AT 114 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD GENERALLY MOVED EAST OF
THE WARNED AREA...BUT ISOLATED SHOWERS AND THUNDERSTORMS COULD
CONTINUE TO DEVELOP AND OCCUR THROUGH THE AFTERNOON HOURS ACROSS THE
COUNTY.
DOPPLER RADAR INDICATES THAT FOUR TO SIX INCHES OF TOTAL RAINFALL
HAS OCCURRED...MAINLY ACROSS THE EASTERN HALF OF THE COUNTY...WITH
THE POTENTIAL OF AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL
EXPECTED THROUGH THE REMAINDER OF THE AFTERNOON HOURS.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL CONTINUE EXPERIENCE FLASH FLOODING
INCLUDE...COOKEVILLE...ALGOOD AND BAXTER.
SEVERAL STREETS IN AND AROUND COOKEVILLE WERE COVERED WITH WATER
CAUSING A FEW ROAD CLOSURES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS
AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING
AREAS ARE ALSO SUBJECT TO FLOODING.
&&
LAT...LON 3626 8542 3624 8541 3623 8537 3618 8526
3606 8535 3610 8552 3603 8562 3605 8567
3608 8570 3609 8576 3625 8579 3621 8558
3628 8548
$$
31The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 9:30 AM CDT | Special Weather Statement | OHX | Pickett | 15 min |
| Jul 12, 10:06 AM CDT | Flash Flood Warning | OHX | Overton | 3 hr |
| Jul 12, 11:15 AM CDT | Special Weather Statement | OHX | Putnam | 30 min |
| Jul 12, 11:45 AM CDT | Special Weather Statement | OHX | Jackson, Putnam | 45 min |
| Jul 12, 12:15 PM CDT | Severe Thunderstorm Warning | OHX | Macon | 30 min |
| Jul 12, 12:34 PM CDT | Special Weather Statement | OHX | DeKalb | 26 min |
| Jul 12, 12:42 PM CDT | Special Weather Statement | OHX | Smith | 63 min |
| Jul 12, 12:52 PM CDT | Special Weather Statement | OHX | Smith | 23 min |
| Jul 12, 1:19 PM CDT | Special Weather Statement | OHX | DeKalb | 26 min |
| Jul 12, 1:23 PM CDT | Special Weather Statement | OHX | Cannon | 22 min |
| Jul 12, 1:48 PM CDT | Special Weather Statement | OHX | Cannon | 27 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.