Alert archive / Tennessee / Flash Flood Warnings in 2011
Flash Flood Warning 6, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Feb 24, 2011, 4:18 AM CST for Cumberland County, Fentress County, Tennessee. It was in force for 3 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
- Feb 24, 2011, 4:18 AM CST (10:18 UTC)
- Expired
- Feb 24, 2011, 7:15 AM CST
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, TN, Fentress County, TN
The radar
The Knoxville radar (KMRX), 140 km from the middle of the area, began a volume at 10:17 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 00:00Z, 10.3 hours before the alert went out and 147 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2691 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 235 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
968
WGUS54 KOHX 241018
FFWOHX
TNC035-049-241315-
/O.NEW.KOHX.FF.W.0006.110224T1018Z-110224T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
418 AM CST THU FEB 24 2011
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CUMBERLAND COUNTY IN MIDDLE TENNESSEE...
THIS INCLUDES THE CITY OF CROSSVILLE...
FENTRESS COUNTY IN MIDDLE TENNESSEE...
THIS INCLUDES THE CITY OF JAMESTOWN...
* UNTIL 715 AM CST/815 AM EST/
* AT 412 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
POSSIBLE FLASH FLOODING RESULTING FROM PERSISTENT HEAVY RAIN
ACROSS THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE JAMESTOWN AND CROSSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 3633 8477 3629 8479 3627 8487 3616 8489
3609 8479 3591 8467 3582 8476 3577 8491
3576 8524 3579 8527 3587 8521 3597 8526
3609 8524 3614 8511 3620 8508 3631 8512
3650 8508 3658 8495 3653 8473 3640 8465
$$
ROSEThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 24, 3:55 AM CST | Flash Flood Warning | OHX | Stewart | 3 hr |
| Feb 24, 9:57 AM CST | River Flood Warning | OHX | Montgomery, Robertson | 32 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Davidson | 50 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Montgomery | 50 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Davidson | 27 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Davidson | 27 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Davidson | 27 hr |
| Feb 24, 10:18 AM CST | River Flood Advisory | OHX | Davidson | 27 hr |
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.