Right now
The most recent data we hold from NOAA arrived 2 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 10 May 2026 at 20:15 UTC. It is kept here as a record.
It is the 9th strongest of the 26 detections recorded within 20 km of this point since 25 April 2026. The last comparable one was on 9 May 2026. 3 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 10 at 2:27PM CDT until May 10 at 3:15PM CDT by NWS Shreveport LA
An estimated 82,287 people live within 50 km of this point.
Nearby, since 25 April 2026
- July 16, 2026 · score 39 · 5.0 km
- May 10, 2026 · score 43 · 11.5 km
- July 16, 2026 · score 39 · 11.8 km
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 89 % 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) | 39 / 100 |
| Our confidence | 89% |
| Coordinates | 32.7080, -94.9740 |
| Nearest City | Longview (32 km) |
| Population Exposed | 82.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-10T19:27:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a119d6a2cd26b781c0863134ac5bea56024ca8df.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Gregg, TX; Upshur, TX |
| Headline | Severe Thunderstorm Warning issued May 10 at 2:27PM CDT until May 10 at 3:15PM CDT by NWS Shreveport LA |
| Expires | 2026-05-10T15:15:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 9 N Hawkins |
| Iem County | Wood |
| Iem State | TX |
| Iem Wfo | SHV |
| Iem Remark | Quarter size hail fell in the Holly Lake Ranch community. |
| MergedSources | [{"id":"iem_H_32.790_-95.440_1778439180000","source":"iem","severity":"low","severityValue":25,"timestamp":1778439180000,"latitude":32.79,"longitude":-95.44},{"id":"iem_D_32.720_-95.140_1778441280000","source":"iem","severity":"low","severityValue":25,"timestamp":1778441280000,"latitude":32.72,"longitude":-95.14},{"id":"iem_H_32.720_-95.140_1778441280000","source":"iem","severity":"low","severityValue":25,"timestamp":1778441280000,"latitude":32.72,"longitude":-95.14},{"id":"iem_H_32.720_-95.200_1778440620000","source":"iem","severity":"low","severityValue":25,"timestamp":1778440620000,"latitude":32.72,"longitude":-95.2}] |
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.
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