This alert expired on 7 July 2026 at 05:04 UTC. It is kept here as a record.
It is the 2nd strongest of the 17 detections recorded within 20 km of this point since 16 March 2026. The last comparable one was on 22 June 2026.
What the source measured
NOAA reported: Flash Flood Warning issued July 7 at 12:54AM EDT until July 7 at 1:00AM EDT by NWS Raleigh NC
An estimated 766,275 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 48 · 12.1 km
- August 10, 2026 · score 48 · 12.4 km
- August 9, 2026 · score 48 · 15.6 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 87 % 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 | 87% |
| Coordinates | 35.9708, -79.7235 |
| Nearest City | Greensboro (13 km) |
| Population Exposed | 766.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-07T04:54:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.9be690a556ff0f26beef12f299d2c90d |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Durham, NC; Orange, NC; Durham, NC; Mecklenburg, NC and 1 more areas |
| Headline | Flash Flood Warning issued July 7 at 12:54AM EDT until July 7 at 1:00AM EDT by NWS Raleigh NC |
| Expires | 2026-07-07T01:04:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.9be690a556ff0f26beef12f299d2c90df8d87a72.001.1","noaa_urn:oid:2.49.0.1.840.0.7cbb14ba810b4862b8f8bee73cc34549bc4cbb86.001.1","noaa_urn:oid:2.49.0.1.840.0.a079ebca278b258cb2cac23b70437bfd4205356e.001.1","noaa_urn:oid:2.49.0.1.840.0.20d54a575eda9e1ca7c8211952fe45a0d68a2c09.001.1"] |
| Iem TypeSummary | D |
| Iem City | 1 ESE Salisbury |
| Iem County | Rowan |
| Iem State | NC |
| Iem Wfo | GSP |
| Iem Remark | *** 1 INJ *** Spotter reports a tree down on a house on N Arlington St, with a possible injury to an occupant. Numerous trees and power lines down throughout the city. Utility company reports hundreds |
| MergedSources | [{"id":"iem_D_35.660_-80.460_1783381800000","source":"iem","severity":"low","severityValue":25,"timestamp":1783381800000,"latitude":35.66,"longitude":-80.46}] |
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 Greensboro?
Calamity.live data shows a weather event with CalamityScore 48/100, near Greensboro (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.