Alert archive / North Carolina / Flash Flood Watches in 2020
Flash Flood Watch 8, NWS Morristown, TN
NWS Morristown, TN issued this flash flood watch at Oct 10, 2020, 4:37 AM EDT for Cherokee County, Clay County, North Carolina. It took effect at Oct 10, 2020, 5:00 PM EDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- Oct 10, 2020, 4:37 AM EDT (08:37 UTC)
- In effect from
- Oct 10, 2020, 5:00 PM EDT
- Expired
- Oct 11, 2020, 2:59 PM EDT
- In force
- 22 hr
- Issued by
- NWS Morristown, TN
- Flood severity
- None
Counties Cherokee County, NC, Clay County, NC
The radar
The Knoxville radar (KMRX), 128 km from the middle of the area, began a volume at 08:37 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 00:00Z, 8.6 hours before the alert went out and 199 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
- 843 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 446 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Flash Flood Watches in North Carolina, 2020Every flash flood watch in 2020
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.