Alert archive / Virginia / Flash Flood Warnings in 2026

Flash Flood Warning 69, NWS Morristown, TN

August 13, 2026Wise County, Virginia

NWS Morristown, TN issued this flash flood warning at Aug 13, 2026, 9:48 PM EDT for Wise County, Virginia. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 13, 2026, 9:48 PM EDT (01:48 UTC)
Expired: Aug 14, 2026, 2:45 AM EDT
In force: 5 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

County Wise County, VA

The radar

The Jackson,KY radar (KJKL), 92 km from the middle of the area, began a volume at 01:49 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, 1.8 hours before the alert went out and 292 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2343 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 748 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 5.4

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Aug 13, 7:39 PM EDT, 2 hours 9 minutes earlier.

Area forecast discussion, Aug 13, 7:39 PM EDT, 2 hours 9 minutes before

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Hazardous weather outlook, Aug 13, 2:00 PM EDT, 7 hours 48 minutes before

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In the hours before

Special weather statement, Aug 13, 6:27 PM EDT, 3 hours 21 minutes before

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Special weather statement, Aug 13, 6:31 PM EDT, 3 hours 17 minutes before

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Special weather statement, Aug 13, 7:11 PM EDT, 2 hours 37 minutes before

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Local storm report, Aug 13, 8:15 PM EDT, 1 hour 33 minutes before

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Local storm report, Aug 13, 8:19 PM EDT, 1 hour 29 minutes before

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Special weather statement, Aug 13, 9:11 PM EDT, 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 13, 11:11 PM EDT	Areal Flood Advisory	MRX	Carter, Sullivan, Unicoi, Washington	3 hr
Aug 14, 12:08 AM EDT	Special Weather Statement	MRX	Claiborne	52 min
Aug 14, 12:57 AM EDT	Special Weather Statement	MRX	Claiborne, Grainger, Union	48 min
Aug 14, 1:02 AM EDT	Areal Flood Advisory	MRX	Claiborne	16 min
Aug 14, 1:18 AM EDT	Flash Flood Warning	MRX	Claiborne	117 min
Aug 14, 6:49 AM EDT	Areal Flood Advisory	MRX	Unicoi, Washington	3 hr
Aug 14, 12:11 PM EDT	Heat Advisory	MRX	Anderson, Bledsoe, Blount, Bradley, Hamilton, Knox and 11 more	3 days
Aug 14, 12:15 PM EDT	Special Weather Statement	MRX	Campbell	45 min
Aug 14, 1:12 PM EDT	Special Weather Statement	MRX	Anderson	48 min
Aug 14, 1:39 PM EDT	Special Weather Statement	MRX	Anderson	51 min
Aug 14, 1:49 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Union	41 min
Aug 14, 2:44 PM EDT	Special Weather Statement	MRX	McMinn	46 min
Aug 14, 3:48 PM EDT	Special Weather Statement	MRX	Cocke	42 min
Aug 14, 3:59 PM EDT	Special Weather Statement	MRX	Greene	46 min
Aug 14, 6:57 PM EDT	Special Weather Statement	MRX	Johnson	48 min
Aug 14, 7:07 PM EDT	Areal Flood Advisory	MRX	Johnson, Sullivan	3 hr
Aug 14, 7:23 PM EDT	Flash Flood Warning	MRX	Sullivan	3 hr
Aug 13, 9:11 PM EDT	Special Weather Statement	MRX	Wise	49 min
Aug 13, 9:22 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Scott, Wise, City of Norton	53 min
Aug 13, 10:04 PM EDT	Severe Thunderstorm Warning	MRX	Lee, Russell, Scott, Washington, Wise, City of Norton	41 min
Aug 14, 2:38 PM EDT	Special Weather Statement	MRX	Smyth	52 min
Aug 14, 5:06 PM EDT	Special Weather Statement	MRX	Wise, City of Norton	39 min
Aug 14, 5:45 PM EDT	Special Weather Statement	MRX	Wise, City of Norton	45 min
Aug 14, 6:25 PM EDT	Areal Flood Advisory	MRX	Russell, Washington	3 hr
Aug 14, 6:41 PM EDT	Special Weather Statement	MRX	Lee	49 min
Aug 14, 6:44 PM EDT	Special Weather Statement	MRX	City of Bristol	46 min
Aug 14, 7:52 PM EDT	Special Weather Statement	MRX	Scott	53 min

Nearby

Flash Flood Warnings in Virginia, 2026 Every flash flood warning in 2026

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.