Alert archive / Tennessee / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 78, NWS Morristown, TN

June 21, 20205 counties in Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Jun 21, 2020, 3:43 PM EDT for 5 counties in Tennessee. It was in force for 47 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
Jun 21, 2020, 3:43 PM EDT (19:43 UTC)
Expired
Jun 21, 2020, 4:30 PM EDT
In force
47 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Grainger County, TN, Jefferson County, TN, Knox County, TN, Sevier County, TN, Union County, TN

The radar

The Knoxville radar (KMRX), 24 km from the middle of the area, began a volume at 19:46 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 20, 7:35 PM EDT, 20 hours 8 minutes earlier.

Area forecast discussion, Jun 20, 7:35 PM EDT, 20 hours 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:45 PM EDTAreal Flood AdvisoryMRXCarter, Sullivan, Washington2 hr
Jun 21, 2:33 PM EDTSpecial Weather StatementMRXAnderson27 min
Jun 21, 2:52 PM EDTSpecial Weather StatementMRXLoudon23 min
Jun 21, 2:58 PM EDTSpecial Weather StatementMRXBlount32 min
Jun 21, 3:27 PM EDTSpecial Weather StatementMRXBradley, Hamilton33 min
Jun 21, 3:40 PM EDTSpecial Weather StatementMRXJefferson35 min
Jun 21, 3:41 PM EDTSpecial Weather StatementMRXKnox34 min
Jun 21, 3:50 PM EDTSpecial Weather StatementMRXBradley25 min
Jun 21, 3:52 PM EDTSpecial Weather StatementMRXUnion23 min
Jun 21, 4:02 PM EDTSevere Thunderstorm WarningMRXBradley, McMinn, Meigs43 min
Jun 21, 4:06 PM EDTSpecial Weather StatementMRXJefferson39 min
Jun 21, 4:10 PM EDTSevere Thunderstorm WarningMRXCocke, Grainger, Hamblen, Jefferson50 min
Jun 21, 4:13 PM EDTSpecial Weather StatementMRXHamilton47 min
Jun 21, 4:28 PM EDTSevere Thunderstorm WarningMRXCocke, Grainger, Greene, Hamblen, Hawkins47 min
Jun 21, 4:40 PM EDTSevere Thunderstorm WarningMRXMcMinn21 min
Jun 21, 4:54 PM EDTSevere Thunderstorm WarningMRXGrainger, Hancock51 min
Jun 21, 5:07 PM EDTSpecial Weather StatementMRXBledsoe, Meigs, Rhea23 min
Jun 21, 5:07 PM EDTSevere Thunderstorm WarningMRXHancock38 min
Jun 21, 5:13 PM EDTSevere Thunderstorm WarningMRXGreene, Hamblen, Hancock, Hawkins31 min
Jun 21, 5:24 PM EDTSpecial Weather StatementMRXGreene36 min
Jun 21, 5:38 PM EDTSpecial Weather StatementMRXMorgan, Roane, Scott67 min
Jun 21, 5:51 PM EDTSevere Thunderstorm WarningMRXMonroe, Polk54 min
Jun 21, 5:58 PM EDTSevere Thunderstorm WarningMRXCampbell, Morgan, Scott30 min
Jun 21, 5:59 PM EDTSpecial Weather StatementMRXGreene46 min
Jun 21, 6:22 PM EDTSpecial Weather StatementMRXCocke38 min
Jun 21, 6:28 PM EDTSevere Thunderstorm WarningMRXCocke, Greene47 min
Jun 21, 6:37 PM EDTSpecial Weather StatementMRXBlount38 min
Jun 21, 7:02 PM EDTSpecial Weather StatementMRXGreene43 min
Jun 21, 7:13 PM EDTSpecial Weather StatementMRXSevier47 min
Jun 21, 7:31 PM EDTSpecial Weather StatementMRXHawkins44 min
Jun 21, 6:11 PM EDTSpecial Weather StatementMRXCity of Norton49 min
Jun 21, 5:41 PM EDTSpecial Weather StatementMRXCherokee64 min
Jun 21, 6:46 PM EDTSpecial Weather StatementMRXClay59 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2020Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.