Right now
The most recent data we hold from NOAA arrived 1 minute 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 23 May 2026 at 01:00 UTC. It is kept here as a record.
No stronger detection stands among the 12 recorded within 20 km of this point since 18 April 2026 — 6 others scored the same. The last comparable one was on 18 April 2026.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 7:12PM CDT until May 22 at 8:00PM CDT by NWS Shreveport LA
An estimated 106,107 people live within 50 km of this point.
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 32.2847, -94.3461 |
| Nearest City | Marshall (28 km) |
| Population Exposed | 106.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-23T00:12:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.51da922766bb7cd46ddcec071651e82c |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Harrison, TX; Panola, TX; Rusk, TX; Bossier, LA; Caddo, LA; Rusk, TX |
| Headline | Severe Thunderstorm Warning issued May 22 at 7:12PM CDT until May 22 at 8:00PM CDT by NWS Shreveport LA |
| Expires | 2026-05-22T20:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.51da922766bb7cd46ddcec071651e82c6fbfc48d.001.1","noaa_urn:oid:2.49.0.1.840.0.0326a909ae4d7c9fa7199c7965f701d260022b22.001.1","noaa_urn:oid:2.49.0.1.840.0.ba557972c79c00561a13918b11f628ef4b2e9fe5.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 9 W Henderson |
| Iem County | Rusk |
| Iem State | TX |
| Iem Wfo | SHV |
| Iem Remark | Quarter size hail reported in the Price community. |
| MergedSources | [{"id":"iem_H_32.250_-94.550_1779495300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779495300000,"latitude":32.25,"longitude":-94.55},{"id":"iem_H_32.130_-94.940_1779494400000","source":"iem","severity":"low","severityValue":25,"timestamp":1779494400000,"latitude":32.13,"longitude":-94.94}] |
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.
Want to know when something happens near Marshall?
Calamity.live data shows a weather event with CalamityScore 43/100, near Marshall (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.