Right now
The most recent data we hold from NOAA arrived 88 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 12 June 2026 at 23:18 UTC. It is kept here as a record.
It is the 27th strongest of the 134 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 12 at 7:08PM EDT until June 12 at 7:15PM EDT by NWS Blacksburg VA
Urban PEI: 45,675 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- August 3, 2026 · score 34 · 5.9 km
- March 17, 2026 · score 39 · 9.5 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 38.2211, -77.8648 |
| Nearest City | Culpeper (30 km) |
| Urban exposure index (PEI) | 45.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-12T23:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.975c77a89436c4e1c960730bd3d66e93 |
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: 2026-06-12T23:08:00.000Z.
First archived: 2026-06-12T23:09:39.864Z. 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 | Amherst, VA; Bedford, VA; Campbell, VA; City of Lynchburg, VA; Fluvanna, VA; Louisa, VA; Culpeper, VA; Madison, VA; Orange, VA and 3 more areas |
| Headline | Severe Thunderstorm Warning issued June 12 at 7:08PM EDT until June 12 at 7:15PM EDT by NWS Blacksburg VA |
| Expires | 2026-06-12T19:18:00-04:00 |
| SenderName | NWS Blacksburg VA |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.975c77a89436c4e1c960730bd3d66e931da50a85.001.1","noaa_urn:oid:2.49.0.1.840.0.a21f47f128aea0e2f62ec174bed62c5ec44d57fe.001.1","noaa_urn:oid:2.49.0.1.840.0.44f851804b834832bce31c867d101cdb61e52c7c.001.1","noaa_urn:oid:2.49.0.1.840.0.8c3748b53f5503b662aca1ace9a2642db69538c9.001.1","noaa_urn:oid:2.49.0.1.840.0.c065f8fee7643c73c75d0dbb8fe9a7dc45151274.002.1","noaa_urn:oid:2.49.0.1.840.0.49c51f7c44efb11eccdd64b2cec8fd996e97fb7d.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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