Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 16 March 2026 at 22:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 110 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued March 16 at 5:42PM EDT until March 16 at 6:00PM EDT by NWS Raleigh NC
An estimated 781,678 people live within 50 km of this point.
Nearby, since 16 March 2026
- July 20, 2026 · score 48 · 1.0 km
- August 9, 2026 · score 48 · 7.4 km
- August 10, 2026 · score 48 · 10.5 km
How we know
Confirmed by 2 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 84 % 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 | 84% |
| Coordinates | 36.1429, -79.7190 |
| Nearest City | Greensboro (10 km) |
| Population Exposed | 781.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-16T21:42:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.04ce9bb599f185296b5e21946cf170e2 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Guilford, NC; Randolph, NC; Alamance, NC; Chatham, NC; Guilford, NC; Hoke, NC; Lee, NC; Montgomery, NC; Moore, NC; Randolph, NC; Richmond, NC; Scotland, NC; Bedford, VA; Floyd, VA; Franklin, VA; Henry, VA; Patrick, VA; Pittsylvania, VA; Roanoke, VA; City of Martinsville, VA |
| Headline | Severe Thunderstorm Warning issued March 16 at 5:42PM EDT until March 16 at 6:00PM EDT by NWS Raleigh NC |
| Expires | 2026-03-16T18:00:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.04ce9bb599f185296b5e21946cf170e27930bc8c.002.1","noaa_urn:oid:2.49.0.1.840.0.ab91c8d845a4f133ea9765a772d540f4a89f9f61.001.1","noaa_urn:oid:2.49.0.1.840.0.55ef99c4d49b720cd11cd0b0bde99424f21b2337.001.1"] |
| Iem TypeSummary | G |
| Iem Magnitude | 59 |
| Iem Unit | MPH |
| Iem City | 5 ESE Colfax |
| Iem County | Guilford |
| Iem State | NC |
| Iem Wfo | RAH |
| Iem Remark | 59 mph wind gust measured at KGSO. |
| MergedSources | [{"id":"iem_G_36.100_-79.950_1773696420000","source":"iem","severity":"low","severityValue":25,"timestamp":1773696420000,"latitude":36.1,"longitude":-79.95}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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.