This alert expired on 23 June 2026 at 11:00 UTC. It is kept here as a record.
No stronger detection stands among the 28 recorded within 20 km of this point since 15 March 2026 — 22 others scored the same. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 23 at 5:50AM CDT until June 23 at 6:00AM CDT by NWS Shreveport LA
An estimated 67,633 people live within 50 km of this point.
Nearby, since 15 March 2026
- May 19, 2026 · score 39 · 14.2 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 39 out of 100, at 90 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 39 / 100 |
| Our confidence | 90% |
| Coordinates | 33.2920, -94.1920 |
| Nearest City | Texarkana (20 km) |
| Population Exposed | 67.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-23T10:50:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6b3af989fc6a8bd2cd96cac920f596e7d33d9f13.001.1 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Miller, AR; Bowie, TX; Cass, TX |
| Headline | Severe Thunderstorm Warning issued June 23 at 5:50AM CDT until June 23 at 6:00AM CDT by NWS Shreveport LA |
| Expires | 2026-06-23T06:00:00-05:00 |
| SenderName | NWS Shreveport LA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | 7 SSW Atlanta |
| Iem County | Cass |
| Iem State | TX |
| Iem Wfo | SHV |
| Iem Remark | Water over road on FM 248 in Bivins. |
| MergedSources | [{"id":"iem_F_33.000_-94.350_1782211020000","source":"iem","severity":"low","severityValue":25,"timestamp":1782211020000,"latitude":33,"longitude":-94.35},{"id":"iem_F_32.980_-94.230_1782209700000","source":"iem","severity":"low","severityValue":25,"timestamp":1782209700000,"latitude":32.98,"longitude":-94.23},{"id":"iem_F_33.020_-94.200_1782211320000","source":"iem","severity":"low","severityValue":25,"timestamp":1782211320000,"latitude":33.02,"longitude":-94.2}] |
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 10 February 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.
Calamity.live data shows a weather event with CalamityScore 39/100, near Texarkana (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.