Alert archive / Tennessee / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 102, NWS Morristown, TN

July 3, 20224 counties in Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jul 3, 2022, 3:29 PM EDT for 4 counties in Tennessee. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 3, 2022, 3:29 PM EDT (19:29 UTC)
Expired
Jul 3, 2022, 3:56 PM EDT
In force
27 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Anderson County, TN, Knox County, TN, Loudon County, TN, Roane County, TN

The radar

The Knoxville radar (KMRX), 80 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 285 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2022-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1272 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2022-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1272 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
791 m above ground
0-6 km bulk shear
2 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 3, 12:41 PM EDTSpecial Weather StatementMRXHamblen49 min
Jul 3, 3:20 PM EDTSpecial Weather StatementMRXRoane40 min
Jul 3, 3:23 PM EDTSpecial Weather StatementMRXCarter, Washington52 min
Jul 3, 3:48 PM EDTSpecial Weather StatementMRXKnox42 min
Jul 3, 3:55 PM EDTSpecial Weather StatementMRXSequatchie50 min
Jul 3, 4:07 PM EDTSpecial Weather StatementMRXMeigs, Rhea, Sequatchie38 min
Jul 3, 4:28 PM EDTAreal Flood AdvisoryMRXBledsoe, Hamilton, McMinn, Meigs, Rhea, Sequatchie2 hr
Jul 3, 4:44 PM EDTSpecial Weather StatementMRXBlount46 min
Jul 3, 6:16 PM EDTSpecial Weather StatementMRXCherokee44 min
Jul 3, 6:42 PM EDTSpecial Weather StatementMRXClay33 min
Jul 3, 6:46 PM EDTAreal Flood AdvisoryMRXCherokee, Clay119 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2022Every severe thunderstorm warning in 2022

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.