Right now
The most recent data we hold from NOAA arrived 51 minutes 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 26 May 2026 at 03:00 UTC. It is kept here as a record.
It is the 8th strongest of the 59 detections recorded within 20 km of this point since 25 April 2026. 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 May 25 at 3:59PM CDT until May 25 at 10:00PM CDT by NWS Jackson MS
An estimated 46,805 people live within 50 km of this point.
Nearby, since 25 April 2026
- May 25, 2026 · score 34 · 0.0 km
- May 26, 2026 · score 34 · 3.8 km
- May 28, 2026 · score 34 · 13.9 km
How we know
Confirmed by 10 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 91 % 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) | 34 / 100 |
| Our confidence | 91% |
| Coordinates | 31.0877, -89.2808 |
| Nearest City | Hattiesburg (27 km) |
| Population Exposed | 46.8K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T20:59:00.000Z |
| Source | https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.59e2fd9d08db5dfb9540994a9a660d08ce50dec9.001.1 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Forrest, MS; Lamar, MS |
| Headline | Flash Flood Warning issued May 25 at 3:59PM CDT until May 25 at 10:00PM CDT by NWS Jackson MS |
| Expires | 2026-05-25T22:00:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| Iem TypeSummary | F |
| Iem City | Picayune |
| Iem County | Pearl River |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | Section of Main Street/US Hwy 11 closed in Picayune due to flooding. Time estimated by radar. |
| MergedSources | [{"id":"iem_F_30.990_-89.380_1779736800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779736800000,"latitude":30.99,"longitude":-89.38},{"id":"iem_F_30.920_-89.440_1779736800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779736800000,"latitude":30.92,"longitude":-89.44},{"id":"iem_F_30.740_-89.670_1779732240000","source":"iem","severity":"low","severityValue":25,"timestamp":1779732240000,"latitude":30.74,"longitude":-89.67},{"id":"iem_F_30.990_-89.380_1779734280000","source":"iem","severity":"low","severityValue":25,"timestamp":1779734280000,"latitude":30.99,"longitude":-89.38},{"id":"iem_F_30.450_-89.410_1779729780000","source":"iem","severity":"low","severityValue":25,"timestamp":1779729780000,"latitude":30.45,"longitude":-89.41},{"id":"iem_F_30.680_-89.360_1779737160000","source":"iem","severity":"low","severityValue":25,"timestamp":1779737160000,"latitude":30.68,"longitude":-89.36},{"id":"iem_F_30.530_-89.520_1779730320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779730320000,"latitude":30.53,"longitude":-89.52},{"id":"iem_F_30.530_-89.670_1779733200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779733200000,"latitude":30.53,"longitude":-89.67},{"id":"iem_F_30.530_-89.680_1779733200000","source":"iem","severity":"low","severityValue":25,"timestamp":1779733200000,"latitude":30.53,"longitude":-89.68}] |
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 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.
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