Alert archive / Tennessee / High Wind Watches in 2013
High Wind Watch 3, NWS Morristown, TN
NWS Morristown, TN issued this high wind watch at Feb 18, 2013, 3:35 AM EST for 10 counties in Tennessee. It took effect at Feb 18, 2013, 7:00 PM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 18, 2013, 3:35 AM EST (08:35 UTC)
- In effect from
- Feb 18, 2013, 7:00 PM EST
- Expired
- Feb 18, 2013, 3:37 PM EST
- In force
- Issued by
- NWS Morristown, TN
Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, McMinn County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN
The radar
The Knoxville radar (KMRX), 34 km from the middle of the area, began a volume at 08:33 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, 8.6 hours before the alert went out and 313 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
- 2158 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this high wind watch went out at Feb 18, 3:20 AM EST, 15 minutes earlier.
Area forecast discussion, Feb 18, 3:20 AM EST, 15 minutes before
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Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 3:37 PM EST | High Wind Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, McMinn and 4 more | 15 hr |
| Feb 18, 3:37 PM EST | Wind Advisory | MRX | Bledsoe, Campbell, Claiborne, Hancock, Marion, Morgan and 3 more | 12 hr |
Nearby
High Wind Watches in Tennessee, 2013Every high wind watch in 2013
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.