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 2 July 2026 at 23:15 UTC. It is kept here as a record.
It is the 2nd strongest of the 28 detections recorded within 20 km of this point since 16 April 2026. Another comparable one was recorded here earlier the same day. 9 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued July 2 at 5:18PM CDT until July 2 at 6:15PM CDT by NWS Nashville TN
Urban PEI: 231,094 within a heuristic 50 km radius; not unique people.
Nearby, since 16 April 2026
- September 12, 2026 · score 37 · 8.3 km
- July 2, 2026 · score 43 · 13.2 km
- July 3, 2026 · score 43 · 16.7 km
How we know
5 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 | 0.89/1 |
| Coordinates | 36.4839, -87.3860 |
| Nearest City | Clarksville (6 km) |
| Urban exposure index (PEI) | 231.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-02T22:18:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.5e26fee9a19e26b30d5a5e22f601bfd6 |
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: 2026-07-02T22:18:00.000Z.
First archived: 2026-07-02T22:22:11.750Z. 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 | Houston, TN; Humphreys, TN; Montgomery, TN; Stewart, TN; Montgomery, TN; Stewart, TN; Todd, KY and 1 more areas |
| Headline | Severe Thunderstorm Warning issued July 2 at 5:18PM CDT until July 2 at 6:15PM CDT by NWS Nashville TN |
| Expires | 2026-07-02T18:15:00-05:00 |
| SenderName | NWS Nashville TN |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.5e26fee9a19e26b30d5a5e22f601bfd66b910235.001.1","noaa_urn:oid:2.49.0.1.840.0.b661c58140b3efb91ae3e30cec441a2c1ba9c06f.002.1","noaa_urn:oid:2.49.0.1.840.0.4f54426789d6e129f9054a0bcb62d059a76d0acb.001.1","noaa_urn:oid:2.49.0.1.840.0.1de4269db6b49b9123ce3e75004b2b5a5a52f738.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 0.88 |
| Iem Unit | Inch |
| Iem City | 6 E Clarksville |
| Iem County | Montgomery |
| Iem State | TN |
| Iem Wfo | OHX |
| Iem Remark | Dime to nickel size hail at Rollow Rd near Rossview Rd. |
| MergedSources | [{"id":"iem_D_36.710_-87.600_1783027080000","source":"iem","severity":"low","severityValue":25,"timestamp":1783027080000,"latitude":36.71,"longitude":-87.6},{"id":"iem_D_36.440_-87.230_1783029300000","source":"iem","severity":"low","severityValue":25,"timestamp":1783029300000,"latitude":36.44,"longitude":-87.23},{"id":"iem_H_36.700_-87.440_1783028460000","source":"iem","severity":"low","severityValue":25,"timestamp":1783028460000,"latitude":36.7,"longitude":-87.44},{"id":"iem_H_36.560_-87.230_1783028580000","source":"iem","severity":"low","severityValue":25,"timestamp":1783028580000,"latitude":36.56,"longitude":-87.23}] |
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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