Alert archive / North Carolina / Flash Flood Warnings in 2025

Flash Flood Warning 33, NWS Morristown, TN

July 11, 2025Clay County, North Carolina

NWS Morristown, TN issued this flash flood warning at Jul 11, 2025, 8:01 PM EDT for Clay County, North Carolina. It was in force for 3 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: Jul 11, 2025, 8:01 PM EDT (00:01 UTC)
Expired: Jul 11, 2025, 11:00 PM EDT
In force: 3 hr
Issued by: NWS Morristown, TN
Area: Storm-based polygon
Flood severity: None

County Clay County, NC

The radar

The Knoxville radar (KMRX), 128 km from the middle of the area, began a volume at 00:04 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, 0.0 hours before the alert went out and 200 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: 966 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1084 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 11, 2:02 PM EDT, 5 hours 59 minutes earlier.

Area forecast discussion, Jul 11, 2:02 PM EDT, 5 hours 59 minutes before

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Hazardous weather outlook, Jul 11, 2:21 PM EDT, 5 hours 40 minutes before

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In the hours before

Special weather statement, Jul 11, 2:59 PM EDT, 5 hours 2 minutes before

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Special weather statement, Jul 11, 3:01 PM EDT, 5 hours before

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Special weather statement, Jul 11, 3:24 PM EDT, 4 hours 37 minutes before

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Special weather statement, Jul 11, 3:28 PM EDT, 4 hours 33 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
Jul 12, 1:33 PM EDT	Special Weather Statement	MRX	Roane	42 min
Jul 12, 1:39 PM EDT	Special Weather Statement	MRX	Bledsoe, Rhea	51 min
Jul 12, 2:04 PM EDT	Special Weather Statement	MRX	Anderson, Campbell, Knox, Union	41 min
Jul 12, 2:19 PM EDT	Special Weather Statement	MRX	McMinn, Meigs	41 min
Jul 12, 2:23 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Union	21 min
Jul 12, 2:41 PM EDT	Special Weather Statement	MRX	Claiborne, Union	49 min
Jul 12, 2:55 PM EDT	Special Weather Statement	MRX	Polk	50 min
Jul 12, 4:12 PM EDT	Special Weather Statement	MRX	Cocke	33 min
Jul 12, 4:33 PM EDT	Flash Flood Warning	MRX	Sevier	4 hr
Jul 12, 4:51 PM EDT	Flash Flood Warning	MRX	Johnson	92 min
Jul 12, 5:03 PM EDT	Special Weather Statement	MRX	Cocke	42 min
Jul 12, 5:29 PM EDT	Areal Flood Advisory	MRX	Sevier	2 hr
Jul 12, 5:59 PM EDT	Areal Flood Advisory	MRX	Cocke, Greene, Unicoi, Washington	2 hr
Jul 12, 6:00 PM EDT	Special Weather Statement	MRX	Rhea	45 min
Jul 12, 6:09 PM EDT	Flash Flood Warning	MRX	Greene	2 hr
Jul 12, 6:17 PM EDT	Special Weather Statement	MRX	Russell	43 min
Jul 12, 6:32 PM EDT	Special Weather Statement	MRX	Washington	43 min
Jul 12, 6:40 PM EDT	Areal Flood Advisory	MRX	Washington	2 hr
Jul 12, 6:41 PM EDT	Areal Flood Advisory	MRX	Russell, Scott, Washington	2 hr
Jul 12, 7:00 PM EDT	Flash Flood Warning	MRX	Washington	101 min
Jul 12, 7:20 PM EDT	Areal Flood Advisory	MRX	Russell, Washington	115 min
Jul 11, 9:12 PM EDT	Areal Flood Advisory	MRX	Cherokee, Clay	2 hr

Nearby

Flash Flood Warnings in North Carolina, 2025 Every flash flood warning in 2025

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.