This alert expired on 8 July 2026 at 04:00 UTC. It is kept here as a record.
It is the 4th strongest of the 27 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 7 July 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 7 at 9:56PM EDT until July 8 at 12:00AM EDT by NWS Blacksburg VA
An estimated 733,659 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 7, 2026 · score 48 · 4.1 km
- July 20, 2026 · score 41 · 12.6 km
- July 19, 2026 · score 43 · 13.9 km
How we know
Confirmed by 11 independent sources, including NOAA.
Our own score for this event is 48 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) | 48 / 100 |
| Our confidence | 91% |
| Coordinates | 36.2277, -79.3437 |
| Nearest City | Burlington (17 km) |
| Population Exposed | 733.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-08T01:56:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ff6cfa349ecbb5fbc038f9391aa86f1a |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Carroll, VA; Floyd, VA; Durham, NC; Orange, NC; Wake, NC; Wake, NC |
| Headline | Flash Flood Warning issued July 7 at 9:56PM EDT until July 8 at 12:00AM EDT by NWS Blacksburg VA |
| Expires | 2026-07-08T00:00:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ff6cfa349ecbb5fbc038f9391aa86f1ac848f303.001.1","noaa_urn:oid:2.49.0.1.840.0.3a162eea757a6385f9c6c56469d338c958bb2496.002.1","noaa_urn:oid:2.49.0.1.840.0.fb4b02c1031cfba6a25812a0a8745a7b7a3bb82c.001.1"] |
| Iem TypeSummary | F |
| Iem City | 3 NNE Durham |
| Iem County | Durham |
| Iem State | NC |
| Iem Wfo | RAH |
| Iem Remark | Entrance/exit ramps near intersection of Duke street and I-85 impassable due to flooding. |
| MergedSources | [{"id":"iem_D_35.960_-78.890_1783465440000","source":"iem","severity":"low","severityValue":25,"timestamp":1783465440000,"latitude":35.96,"longitude":-78.89},{"id":"iem_D_36.180_-78.910_1783464300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783464300000,"latitude":36.18,"longitude":-78.91},{"id":"iem_F_35.860_-78.850_1783467960000","source":"iem","severity":"low","severityValue":25,"timestamp":1783467960000,"latitude":35.86,"longitude":-78.85},{"id":"iem_D_35.910_-78.650_1783469400000","source":"iem","severity":"low","severityValue":25,"timestamp":1783469400000,"latitude":35.91,"longitude":-78.65},{"id":"iem_F_35.880_-78.740_1783469340000","source":"iem","severity":"low","severityValue":25,"timestamp":1783469340000,"latitude":35.88,"longitude":-78.74},{"id":"iem_D_35.880_-78.740_1783467660000","source":"iem","severity":"low","severityValue":25,"timestamp":1783467660000,"latitude":35.88,"longitude":-78.74},{"id":"iem_D_35.880_-78.630_1783470300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783470300000,"latitude":35.88,"longitude":-78.63},{"id":"iem_F_35.880_-78.740_1783470720000","source":"iem","severity":"low","severityValue":25,"timestamp":1783470720000,"latitude":35.88,"longitude":-78.74},{"id":"iem_D_35.980_-78.830_1783465620000","source":"iem","severity":"low","severityValue":25,"timestamp":1783465620000,"latitude":35.98,"longitude":-78.83},{"id":"iem_F_36.020_-78.900_1783466220000","source":"iem","severity":"low","severityValue":25,"timestamp":1783466220000,"latitude":36.02,"longitude":-78.9}] |
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 Burlington?
Calamity.live data shows a weather event with CalamityScore 48/100, near Burlington (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.