Flash Flood Warning Issued for Southeastern Sevier County, TN
If you are in immediate danger, call emergency services now.
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NWS Morristown has issued a Flash Flood Warning for southeastern Sevier County in east Tennessee until 10:45 PM EDT on May 25.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on June 9, 2026 and geographically references Sevier County, TN. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
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Alert Details
Flash Flood Warning issued by NWS Morristown TN. Effective from 8:20 PM EDT to 10:45 PM EDT on May 25, 2026.
Affected Areas
Southeastern Sevier County in east Tennessee, including Sevierville, Gatlinburg, Pigeon Forge, Pittman Center, Harrisburg, Elkmont, Great Smoky Mountains National Park and Fairgarden.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Flooding is occurring or is imminent. Campers and hikers should avoid streams or creeks.
Expected Conditions
At 8:20 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible. Flash flooding is ongoing or expected to begin shortly.
Timeline
The warning is in effect from May 25 at 8:20 PM EDT until May 25 at 10:45 PM EDT.
Original source: NOAA Official Notice ↗
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