This alert expired on 21 May 2026 at 16:15 UTC. It is kept here as a record.
No stronger detection stands among the 22 recorded within 20 km of this point since 25 April 2026 — 2 others scored the same. The last comparable one was on 7 May 2026.
What the source measured
NOAA reported: Flash Flood Warning issued May 21 at 8:13AM CDT until May 21 at 11:15AM CDT by NWS Jackson MS
An estimated 65,642 people live within 50 km of this point.
Nearby, since 25 April 2026
- July 5, 2026 · score 39 · 6.3 km
- June 19, 2026 · score 39 · 10.2 km
- May 21, 2026 · score 34 · 18.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % 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 | 81% |
| Coordinates | 31.6243, -89.4957 |
| Nearest City | Laurel (35 km) |
| Population Exposed | 65.6K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-21T13:13:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7b9cc059317192ea5dddd72911dd1a9cbd128d7b.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Covington, MS; Forrest, MS; Jefferson Davis, MS; Jones, MS; Lamar, MS; Marion, MS |
| Headline | Flash Flood Warning issued May 21 at 8:13AM CDT until May 21 at 11:15AM CDT by NWS Jackson MS |
| Expires | 2026-05-21T11:15:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
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 39/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.