Alert archive / Tennessee / Winter Weather Advisories in 2011
Winter Weather Advisory 13, NWS Nashville, TN
NWS Nashville, TN issued this winter weather advisory at Nov 29, 2011, 1:37 AM CST for 20 counties in Tennessee. It took effect at Nov 29, 2011, 2:00 AM CST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Nov 29, 2011, 1:37 AM CST (07:37 UTC)
- In effect from
- Nov 29, 2011, 2:00 AM CST
- Expired
- Nov 29, 2011, 10:00 AM CST
- In force
- 8 hr
- Issued by
- NWS Nashville, TN
Counties Bedford County, TN, Benton County, TN, Coffee County, TN, Cumberland County, TN, Giles County, TN, Grundy County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Marshall County, TN, Maury County, TN, Perry County, TN, Putnam County, TN, Stewart County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN
The radar
The Nashville radar (KOHX), 62 km from the middle of the area, began a volume at 07:36 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, 7.6 hours before the alert went out and 49 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
- 473 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- -71 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory 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 winter weather advisory went out at Nov 28, 5:58 PM CST, 7 hours 39 minutes earlier.
Area forecast discussion, Nov 28, 5:58 PM CST, 7 hours 39 minutes before
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</html>Hazardous weather outlook, Nov 28, 5:57 AM CST, 19 hours 40 minutes before
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</html>Nearby
Winter Weather Advisories in Tennessee, 2011Every winter weather advisory 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.