Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
36 other detections within 20 km in the last 24 hours, the nearest 4 km from here.
This alert expired on 5 September 2026 at 01:30 UTC. It is kept here as a record.
It is the 33rd strongest of the 104 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day.
What the source measured
NOAA reported: Flood Warning issued September 4 at 6:31PM EDT until September 4 at 9:30PM EDT by NWS Raleigh NC
An estimated 820,848 people live within 50 km of this point.
Nearby, since 16 March 2026
- August 10, 2026 · score 48 · 4.0 km
- September 6, 2026 · score 41 · 4.9 km
- September 5, 2026 · score 41 · 4.9 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 41 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 41 / 100 |
| Our confidence | 91% |
| Coordinates | 36.0629, -79.8343 |
| Nearest City | Greensboro (4 km) |
| Population Exposed | 820.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-09-04T22:31:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.5e3f80ca0c2b8b92b98d8f20efba3466dc82a22f.001.1 |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Guilford, NC |
| Headline | Flood Warning issued September 4 at 6:31PM EDT until September 4 at 9:30PM EDT by NWS Raleigh NC |
| Expires | 2026-09-04T21:30:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| Spc ReportType | wind |
| Spc Speed | UNK |
| Spc Location | 3 NNE Intelligence |
| Spc County | Rockingham |
| Spc State | NC |
| Spc Comments | Tree down on Lakeside Drive. (RNK) |
| Iem TypeSummary | H |
| Iem Magnitude | 0.5 |
| Iem Unit | Inch |
| Iem City | 4 NW Greensboro |
| Iem County | Guilford |
| Iem State | NC |
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 41/100, near Greensboro (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.