This alert expired on 29 June 2026 at 03:00 UTC. It is kept here as a record.
It is the 18th strongest of the 97 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 27 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 28 at 9:50AM CDT until June 29 at 7:00AM CDT by NWS Jackson MS
An estimated 46,805 people live within 50 km of this point.
Nearby, since 12 March 2026
- June 18, 2026 · score 58 · 6.9 km
- May 29, 2026 · score 34 · 10.0 km
- May 8, 2026 · score 22 · 13.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 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) | 34 / 100 |
| Our confidence | 81% |
| Coordinates | 31.0022, -89.1066 |
| Nearest City | Hattiesburg (40 km) |
| Population Exposed | 46.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-28T14:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.82aa1ac6d3cab6d2e0211903657d38ca |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Copiah, MS; Simpson, MS; Lawrence, MS; St. Tammany, LA; Hancock, MS; Pearl River, MS and 5 more areas |
| Headline | Flood Warning issued June 28 at 9:50AM CDT until June 29 at 7:00AM CDT by NWS Jackson MS |
| Expires | 2026-06-28T22:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| MergedCount | 8 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.82aa1ac6d3cab6d2e0211903657d38ca390b26dc.002.1","noaa_urn:oid:2.49.0.1.840.0.82aa1ac6d3cab6d2e0211903657d38ca390b26dc.001.1","noaa_urn:oid:2.49.0.1.840.0.cfa388c086c5bac2653b062c9cc4ab34f2408a6f.002.1","noaa_urn:oid:2.49.0.1.840.0.cfa388c086c5bac2653b062c9cc4ab34f2408a6f.001.1","noaa_urn:oid:2.49.0.1.840.0.50daff23eacc13c01deca0acda793de5d85d1acf.001.1","noaa_urn:oid:2.49.0.1.840.0.da9f7e3ba634f0da9ea7aee791f6141a8ff45ed9.001.1","noaa_urn:oid:2.49.0.1.840.0.3081b3650a8f7755fdcd85ed58ed76d7f240a8d9.001.1","noaa_urn:oid:2.49.0.1.840.0.f43d708f3ec6061270e2d27324c06ed69fe1a65a.001.1"] |
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 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.