Alert archive / Virginia / Special Weather Statements in 2018
Special Weather Statement, NWS Morristown, TN
NWS Morristown, TN issued this special weather statement at Feb 25, 2018, 4:21 AM EST for Lee County, Wise County, City of Norton, Virginia. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 25, 2018, 4:21 AM EST (09:21 UTC)
- Expired
- Feb 25, 2018, 5:15 AM EST
- In force
- 54 min
- Issued by
- NWS Morristown, TN
Counties City of Norton, VA, Lee County, VA, Wise County, VA
The radar
The Jackson,KY radar (KJKL), 86 km from the middle of the area, began a volume at 09:22 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
Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.4 hours before the alert went out and 293 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
- 572 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 227 m²/s²
- 0-3 km storm-relative helicity
- 266 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 1:25 AM EST | Special Weather Statement | MRX | Morgan, Scott | 50 min |
| Feb 25, 2:54 AM EST | Special Weather Statement | MRX | Anderson, Campbell, Morgan, Scott | 51 min |
| Feb 25, 3:01 AM EST | Special Weather Statement | MRX | Bledsoe, Marion, Rhea, Sequatchie | 59 min |
| Feb 25, 3:40 AM EST | Special Weather Statement | MRX | Anderson, Claiborne, Loudon, Roane, Union | 50 min |
| Feb 25, 3:55 AM EST | Special Weather Statement | MRX | Bradley, Hamilton, McMinn, Marion, Meigs, Rhea and 1 more | 65 min |
| Feb 25, 4:24 AM EST | Special Weather Statement | MRX | Claiborne, Grainger, Hancock, Knox, Loudon, Union | 66 min |
| Feb 25, 4:55 AM EST | Special Weather Statement | MRX | Bradley, McMinn, Monroe, Polk | 65 min |
| Feb 25, 5:48 AM EST | Special Weather Statement | MRX | Carter, Cocke, Greene, Johnson, Sevier, Sullivan and 2 more | 42 min |
| Feb 25, 3:37 AM EST | Special Weather Statement | MRX | Lee, Wise, City of Norton | 38 min |
| Feb 25, 5:42 AM EST | Special Weather Statement | MRX | Cherokee, Clay | 63 min |
Nearby
Special Weather Statements in Virginia, 2018Every special weather statement in 2018
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.