This alert expired on 22 May 2026 at 22:32 UTC. It is kept here as a record.
It is the 4th strongest of the 78 detections recorded within 20 km of this point since 8 March 2026. Another comparable one was recorded here earlier the same day. 48 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 5:23PM CDT until May 22 at 5:30PM CDT by NWS New Orleans LA
An estimated 20,480 people live within 50 km of this point.
Nearby, since 8 March 2026
- March 9, 2026 · score 22 · 8.2 km
- March 8, 2026 · score 22 · 8.2 km
- March 11, 2026 · score 39 · 8.2 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 34 out of 100, at 89 % 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 | 89% |
| Coordinates | 30.5540, -90.3430 |
| Nearest City | Hammond (13 km) |
| Population Exposed | 20.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T22:23:00.000Z |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | St. Tammany, LA; Tangipahoa, LA; Washington, LA |
| Headline | Severe Thunderstorm Warning issued May 22 at 5:23PM CDT until May 22 at 5:30PM CDT by NWS New Orleans LA |
| Expires | 2026-05-22T17:32:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| Iem TypeSummary | D |
| Iem City | 1 ENE Folsom |
| Iem County | St. Tammany |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Trees reported down on several streets in the Folsom and Goodbee area. |
| MergedSources | [{"id":"iem_D_30.570_-90.240_1779480300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779480300000,"latitude":30.57,"longitude":-90.24},{"id":"iem_D_30.640_-90.190_1779480300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779480300000,"latitude":30.64,"longitude":-90.19}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
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, near Hammond (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.