This alert expired on 25 May 2026 at 02:30 UTC. It is kept here as a record.
No stronger detection stands among the 64 recorded within 20 km of this point since 16 March 2026 — 44 others scored the same. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 24 at 8:30PM EDT until May 24 at 10:30PM EDT by NWS Morristown TN
An estimated 270,425 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 30, 2026 · score 43 · 10.4 km
- July 8, 2026 · score 43 · 12.8 km
- July 8, 2026 · score 43 · 16.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 35.7633, -84.1397 |
| Nearest City | Farragut (13 km) |
| Population Exposed | 270.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T00:30:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.d1556efc5219b0a51f62db52ae5cf93e |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Blount, TN; Knox, TN; Loudon, TN; McMinn, TN; Monroe, TN; Roane, TN |
| Headline | Flash Flood Warning issued May 24 at 8:30PM EDT until May 24 at 10:30PM EDT by NWS Morristown TN |
| Expires | 2026-05-24T22:30:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.d1556efc5219b0a51f62db52ae5cf93e3bf400a2.001.1","noaa_urn:oid:2.49.0.1.840.0.8c7464ea075f2c314450ac11dcd4b171ecc8e953.001.1"] |
| Iem TypeSummary | F |
| Iem City | 1 ENE Loudon |
| Iem County | Loudon |
| Iem State | TN |
| Iem Wfo | MRX |
| Iem Remark | Several roadways flooded. |
| MergedSources | [{"id":"iem_F_35.940_-83.910_1779669240000","source":"iem","severity":"low","severityValue":25,"timestamp":1779669240000,"latitude":35.94,"longitude":-83.91},{"id":"iem_F_35.740_-84.340_1779667860000","source":"iem","severity":"low","severityValue":25,"timestamp":1779667860000,"latitude":35.74,"longitude":-84.34}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near Farragut?
Calamity.live data shows a weather event with CalamityScore 43/100, near Farragut (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.