This alert expired on 21 June 2026 at 17:00 UTC. It is kept here as a record.
No stronger detection stands among the 11 recorded within 20 km of this point since 15 June 2026 — 5 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: Flash Flood Warning issued June 21 at 9:54AM CDT until June 21 at 12:00PM CDT by NWS Lake Charles LA
An estimated 222,915 people live within 50 km of this point.
Nearby, since 15 June 2026
- August 5, 2026 · score 43 · 6.8 km
- June 15, 2026 · score 43 · 14.2 km
- July 15, 2026 · score 43 · 25.3 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 90% |
| Coordinates | 30.0656, -94.0233 |
| Nearest City | Beaumont (8 km) |
| Population Exposed | 222.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-21T14:54:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3ba662631696fcf9de347a38e64b12802aaa0f73.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Jefferson, TX; Orange, TX |
| Headline | Flash Flood Warning issued June 21 at 9:54AM CDT until June 21 at 12:00PM CDT by NWS Lake Charles LA |
| Expires | 2026-06-21T12:00:00-05:00 |
| SenderName | NWS Lake Charles LA |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | Groves |
| Iem County | Jefferson |
| Iem State | TX |
| Iem Wfo | LCH |
| Iem Remark | Reports of water entering homes in Groves. |
| MergedSources | [{"id":"iem_F_30.040_-93.850_1782047460000","source":"iem","severity":"low","severityValue":25,"timestamp":1782047460000,"latitude":30.04,"longitude":-93.85},{"id":"iem_F_29.950_-93.920_1782048420000","source":"iem","severity":"low","severityValue":25,"timestamp":1782048420000,"latitude":29.95,"longitude":-93.92},{"id":"iem_F_29.950_-93.920_1782043200000","source":"iem","severity":"low","severityValue":25,"timestamp":1782043200000,"latitude":29.95,"longitude":-93.92}] |
Safety Information
During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.
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 43/100, near Beaumont (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.