Alert archive / Tennessee / Flood Watches in 2008
Flood Watch 3, NWS Nashville, TN
NWS Nashville, TN issued this flood watch at Dec 10, 2008, 3:38 PM CST for 19 counties in Tennessee. It took effect at Dec 11, 2008, 6:00 AM CST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2008, 3:38 PM CST (21:38 UTC)
- In effect from
- Dec 11, 2008, 6:00 AM CST
- Expired
- Dec 11, 2008, 12:43 PM CST
- In force
- 7 hr
- Issued by
- NWS Nashville, TN
- Flood severity
- None
Counties Bedford County, TN, Cannon County, TN, Coffee County, TN, Cumberland County, TN, DeKalb County, TN, Fentress County, TN, Giles County, TN, Grundy County, TN, Lawrence County, TN, Lewis County, TN, Marshall County, TN, Maury County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN
The radar
The Nashville radar (KOHX), 69 km from the middle of the area, began a volume at 21:41 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, 9.6 hours before the alert went out and 61 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
- 448 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Nashville, TN wrote its last area forecast discussion before this flood watch went out at Dec 10, 3:30 PM CST, 8 minutes earlier.
Area forecast discussion, Dec 10, 3:30 PM CST, 8 minutes before
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</html>The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 9:20 PM CST | Flood Watch | OHX | Bedford, Benton, Cannon, Cheatham, Clay, Coffee and 33 more | 9 hr |
| Dec 10, 3:00 AM CST | Flash Flood Warning | OHX | Fentress, Overton, Pickett | 3 hr |
| Dec 10, 8:26 AM CST | River Flood Warning | OHX | Bedford | 3 hr |
Nearby
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.