Right now
The most recent data we hold from NOAA arrived 18 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 5 July 2026 at 04:15 UTC. It is kept here as a record.
No stronger detection stands among the 35 recorded within 20 km of this point since 16 March 2026 — 9 others scored the same. 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 4 at 11:25PM EDT until July 5 at 12:15AM EDT by NWS Morristown TN
Urban PEI: 127,990 within a heuristic 50 km radius; not unique people.
Nearby, since 16 March 2026
- September 5, 2026 · score 37 · 1.6 km
- July 5, 2026 · score 43 · 7.2 km
- July 19, 2026 · score 39 · 17.3 km
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 43 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) | 43 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 36.5765, -81.9691 |
| Nearest City | Bristol (20 km) |
| Urban exposure index (PEI) | 128.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-05T03:25:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.44caef424a8cf8bd9b838283c88a06ec |
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: 2026-07-05T03:25:00.000Z.
First archived: 2026-07-05T03:26:37.600Z. 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 | Carter, TN; Greene, TN; Sullivan, TN; Unicoi, TN; Washington, TN; Smyth, VA; Tazewell, VA; Johnson, TN; Russell, VA; Washington, VA and 2 more areas |
| Headline | Severe Thunderstorm Warning issued July 4 at 11:25PM EDT until July 5 at 12:15AM EDT by NWS Morristown TN |
| Expires | 2026-07-05T00:15:00-04:00 |
| SenderName | NWS Morristown TN |
| HasExactCoords | true |
| MergedCount | 5 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.44caef424a8cf8bd9b838283c88a06ecf46b6e9e.001.1","noaa_urn:oid:2.49.0.1.840.0.89b03bbbd2652ad58f16bc9f9f9704f886660511.001.1","noaa_urn:oid:2.49.0.1.840.0.db9a4da1a4a2282e2402cd2ea630f9436ae17a2b.001.1","noaa_urn:oid:2.49.0.1.840.0.f268fcabf9803cd058c4ff03e7aa60f9e8f6974b.001.1","noaa_urn:oid:2.49.0.1.840.0.20bdbb485bdb4188dc7632ffd1dfe0ecc217fcfe.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.75 |
| Iem Unit | Inch |
| Iem City | 2 NW Abingdon |
| Iem County | Washington |
| Iem State | VA |
| Iem Wfo | MRX |
| Iem Remark | Dime-sized hail. |
| MergedSources | [{"id":"iem_D_36.630_-82.130_1783219500000","source":"iem","severity":"low","severityValue":25,"timestamp":1783219500000,"latitude":36.63,"longitude":-82.13},{"id":"iem_H_36.720_-82.000_1783220220000","source":"iem","severity":"low","severityValue":25,"timestamp":1783220220000,"latitude":36.72,"longitude":-82}] |
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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