This alert expired on 9 July 2026 at 04:15 UTC. It is kept here as a record.
It is the 38th strongest of the 121 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 8 at 9:55PM EDT until July 9 at 12:15AM EDT by NWS Blacksburg VA
Nearby, since 16 March 2026
- June 22, 2026 · score 22 · 8.7 km
- August 5, 2026 · score 34 · 9.9 km
- June 18, 2026 · score 43 · 11.2 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 61 % 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) | 22 / 100 |
| Our confidence | 61% |
| Coordinates | 36.3419, -80.7941 |
| Nearest City | Clemmons (52 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-09T01:55:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ade79581690b2bb27810635b58c11586 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Surry, NC; Carroll, VA; Patrick, VA; Wilkes, NC; Yadkin, NC |
| Headline | Flash Flood Warning issued July 8 at 9:55PM EDT until July 9 at 12:15AM EDT by NWS Blacksburg VA |
| Expires | 2026-07-09T00:15:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ade79581690b2bb27810635b58c1158625222297.001.1","noaa_urn:oid:2.49.0.1.840.0.7b3ecddb7dc9b0df0f705c8ba485e7e801e4729c.001.1"] |
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 in this area?
Calamity.live data shows a weather event with CalamityScore 22/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.