Alert archive / Tennessee / Freeze Watches in 2011
Freeze Watch 2, NWS Morristown, TN
NWS Morristown, TN issued this freeze watch at May 3, 2011, 3:18 PM EDT for Carter County, Johnson County, Unicoi County, Tennessee. It took effect at May 5, 2011, 4:00 AM EDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 3, 2011, 3:18 PM EDT (19:18 UTC)
- In effect from
- May 5, 2011, 4:00 AM EDT
- Expired
- May 4, 2011, 10:14 AM EDT
- In force
- Issued by
- NWS Morristown, TN
Counties Carter County, TN, Johnson County, TN, Unicoi County, TN
The radar
The Knoxville radar (KMRX), 114 km from the middle of the area, began a volume at 19:20 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.3 hours before the alert went out and 202 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
- -12 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 70 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 freeze 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 freeze watch went out at May 3, 3:00 PM EDT, 18 minutes earlier.
Area forecast discussion, May 3, 3:00 PM EDT, 18 minutes before
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</html>Hazardous weather outlook, May 3, 3:22 AM EDT, 11 hours 56 minutes before
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Special weather statement, May 3, 1:52 PM EDT, 1 hour 26 minutes before
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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.