Alert archive / Tennessee / Flood Watches in 2006
Flood Watch 1, NWS Nashville, TN
NWS Nashville, TN issued this flood watch at Apr 21, 2006, 4:07 PM CDT for 12 counties in Tennessee. It took effect at Apr 21, 2006, 7:00 PM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 21, 2006, 4:07 PM CDT (21:07 UTC)
- In effect from
- Apr 21, 2006, 7:00 PM CDT
- Expired
- Apr 22, 2006, 3:39 AM CDT
- In force
- 9 hr
- Issued by
- NWS Nashville, TN
- Flood severity
- None
Counties Clay County, TN, Coffee County, TN, Cumberland County, TN, Fentress County, TN, Grundy County, TN, Jackson County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN, Van Buren County, TN, Warren County, TN, White County, TN
The radar
The Nashville radar (KOHX), 102 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 103 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
- 3 J/kg
- Mixed-layer CIN
- -311 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 140 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 Apr 21, 3:50 PM CDT, 17 minutes earlier.
Area forecast discussion, Apr 21, 3:50 PM CDT, 17 minutes before
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</html>Hazardous weather outlook, Apr 21, 8:40 AM CDT, 7 hours 27 minutes before
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Local storm report, Apr 21, 2:53 PM CDT, 1 hour 14 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 |
|---|---|---|---|---|
| Apr 21, 12:34 AM CDT | Severe Thunderstorm Warning | OHX | Perry, Wayne | 71 min |
| Apr 21, 1:31 AM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lawrence, Lewis | 74 min |
| Apr 21, 1:44 AM CDT | Severe Thunderstorm Warning | OHX | Wayne | 46 min |
| Apr 21, 2:44 AM CDT | Severe Thunderstorm Warning | OHX | Maury | 46 min |
| Apr 21, 3:12 AM CDT | Severe Thunderstorm Warning | OHX | Marshall, Williamson | 63 min |
| Apr 21, 3:19 AM CDT | Flash Flood Warning | OHX | Wayne | 116 min |
| Apr 21, 3:29 AM CDT | Severe Thunderstorm Warning | OHX | Coffee | 31 min |
| Apr 21, 3:32 AM CDT | Severe Thunderstorm Warning | OHX | Bedford | 28 min |
| Apr 21, 6:04 AM CDT | Severe Thunderstorm Warning | OHX | Perry, Wayne | 56 min |
| Apr 21, 2:39 PM CDT | Severe Thunderstorm Warning | OHX | Van Buren, Warren | 36 min |
| Apr 21, 4:46 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland | 29 min |
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.