This alert expired on 3 August 2026 at 06:45 UTC. It is kept here as a record.
No stronger detection stands among the 47 recorded within 20 km of this point since 16 March 2026 — 11 others scored the same. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued August 2 at 10:54PM EDT until August 3 at 2:45AM EDT by NWS Blacksburg VA
An estimated 52,736 people live within 50 km of this point.
Nearby, since 16 March 2026
- May 27, 2026 · score 39 · 13.6 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 91 % 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) | 39 / 100 |
| Our confidence | 91% |
| Coordinates | 36.1667, -81.6133 |
| Nearest City | Boone (8 km) |
| Population Exposed | 52.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-03T02:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f43531504b2c1f016663d53fe5e0d0f547f0d21d.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Ashe, NC; Watauga, NC; Wilkes, NC |
| Headline | Flood Warning issued August 2 at 10:54PM EDT until August 3 at 2:45AM EDT by NWS Blacksburg VA |
| Expires | 2026-08-03T02:45:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 2 W Aho |
| Iem County | Watauga |
| Iem State | NC |
| Iem Wfo | RNK |
| Iem Remark | Water rescue near Tweetsie Railroad in Blowing Rock due to flooding. |
| MergedSources | [{"id":"iem_F_36.130_-81.680_1785723900000","source":"iem","severity":"low","severityValue":25,"timestamp":1785723900000,"latitude":36.13,"longitude":-81.68},{"id":"iem_F_36.170_-81.650_1785721980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785721980000,"latitude":36.17,"longitude":-81.65}] |
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 Boone?
Calamity.live data shows a weather event with CalamityScore 39/100, near Boone (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.