Right now
The most recent data we hold from NOAA arrived 7 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 28 July 2026 at 23:30 UTC. It is kept here as a record.
It is the 14th strongest of the 66 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 28 at 6:19PM EDT until July 28 at 7:30PM EDT by NWS Raleigh NC
Urban PEI: 93,110 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 6, 2026 · score 32 · 13.1 km
- March 17, 2026 · score 39 · 16.0 km
- March 16, 2026 · score 39 · 16.0 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 32 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
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) | 32 / 100 |
| Legacy data-support index | 0.79/1 |
| Coordinates | 35.8816, -81.7432 |
| Nearest City | Morganton (16 km) |
| Urban exposure index (PEI) | 93.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-28T22:19:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.1ab3d230a89871f2e03a5a21cba07686 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-28T22:19:00.000Z.
First archived: 2026-07-28T22:27:02.482Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Alamance, NC; Guilford, NC; Alexander, NC; Caldwell, NC; Catawba, NC; Iredell, NC; Buncombe, NC; Haywood, NC; Madison, NC; Swain, NC and 5 more areas |
| Headline | Severe Thunderstorm Warning issued July 28 at 6:19PM EDT until July 28 at 7:30PM EDT by NWS Raleigh NC |
| Expires | 2026-07-28T19:30:00-04:00 |
| SenderName | NWS Raleigh NC |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.1ab3d230a89871f2e03a5a21cba07686b114a19a.001.1","noaa_urn:oid:2.49.0.1.840.0.f65a39d96626469b58c7de0dcfd5fcc5f52070ea.001.1","noaa_urn:oid:2.49.0.1.840.0.249494ba66f137d08168d112d9bb2268393c2854.001.1","noaa_urn:oid:2.49.0.1.840.0.eb0ae5e57aa88e994a48c4e40a3b8dc709613d72.001.1","noaa_urn:oid:2.49.0.1.840.0.515ee66aa4b6a3acff83492f9bf071c27cf7197c.001.1","noaa_urn:oid:2.49.0.1.840.0.e566062747a1fd1087690875931ef9adf86a4db9.001.1","noaa_urn:oid:2.49.0.1.840.0.3640809f8b8e54c08faacf51950eb7fe179e2c6f.001.1","noaa_urn:oid:2.49.0.1.840.0.73add8a48b62070bba3cb7e70301955300453044.001.1"] |
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.
Review the area, threshold and delivery channel in your account.
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