Alert archive / Tennessee / Flood Watches in 2009
Flood Watch 2, NWS Morristown, TN
NWS Morristown, TN issued this flood watch at May 2, 2009, 2:54 PM EDT for 24 counties in Tennessee; Lee County, Wise County, City of Norton, Virginia; Cherokee County, Clay County, North Carolina. It took effect at May 3, 2009, 12:00 AM EDT. It was in force for 35 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 2009, 2:54 PM EDT (18:54 UTC)
- In effect from
- May 3, 2009, 12:00 AM EDT
- Expired
- May 4, 2009, 11:06 AM EDT
- In force
- 35 hr
- Issued by
- NWS Morristown, TN
- Flood severity
- None
All 29 counties
Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Claiborne County, TN, Grainger County, TN, Hamilton County, TN, Hancock County, TN, Jefferson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Union County, TN, City of Norton, VA, Lee County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 77 km from the middle of the area, began a volume at 18:55 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.9 hours before the alert went out and 279 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
- 50 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 819 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:32 AM EDT | Areal Flood Advisory | MRX | Bledsoe, Marion, Sequatchie | 118 min |
Nearby
Flood Watches in Tennessee, 2009Flood Watches in Virginia, 2009Flood Watches in North Carolina, 2009Every flood watch in 2009
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.