This alert expired on 25 May 2026 at 20:00 UTC. It is kept here as a record.
It is the 14th strongest of the 111 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued May 25 at 12:37PM CDT until May 25 at 3:00PM CDT by NWS New Orleans LA
An estimated 158,740 people live within 50 km of this point.
Nearby, since 12 March 2026
- March 12, 2026 · score 67 · 7.9 km
- May 28, 2026 · score 43 · 8.5 km
- June 8, 2026 · score 43 · 8.8 km
How we know
Confirmed by 4 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 91 % 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 | 91% |
| Coordinates | 30.6236, -89.4333 |
| Nearest City | Long Beach (41 km) |
| Population Exposed | 158.7K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-25T17:37:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.847acc15fd98a68ab1c548ed19c1acc3 |
Score Breakdown
Technical Details
| Event | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Hancock, MS; Pearl River, MS; Hancock, MS; Harrison, MS |
| Headline | Flash Flood Warning issued May 25 at 12:37PM CDT until May 25 at 3:00PM CDT by NWS New Orleans LA |
| Expires | 2026-05-25T15:00:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.847acc15fd98a68ab1c548ed19c1acc31cc55f81.001.1","noaa_urn:oid:2.49.0.1.840.0.c3c83e02fa2d26547a7ab23892fe7458a174b056.001.1"] |
| Iem TypeSummary | F |
| Iem City | 3 WNW Kiln |
| Iem County | Hancock |
| Iem State | MS |
| Iem Wfo | LIX |
| Iem Remark | Multiple portions of Kiln-Picayune Rd impassable with barricades blocking them per Hancock County SO. |
| MergedSources | [{"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_30.530_-89.520_1779730320000","source":"iem","severity":"low","severityValue":25,"timestamp":1779730320000,"latitude":30.53,"longitude":-89.52},{"id":"iem_F_30.430_-89.480_1779730140000","source":"iem","severity":"low","severityValue":25,"timestamp":1779730140000,"latitude":30.43,"longitude":-89.48}] |
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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.