This alert expired on 22 May 2026 at 22:18 UTC. It is kept here as a record.
It is the 5th strongest of the 83 detections recorded within 20 km of this point since 12 March 2026. Another comparable one was recorded here earlier the same day. 28 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 22 at 5:08PM CDT until May 22 at 5:15PM CDT by NWS Jackson MS
An estimated 27,942 people live within 50 km of this point.
Nearby, since 12 March 2026
- July 4, 2026 · score 34 · 18.0 km
- July 3, 2026 · score 34 · 18.0 km
- July 2, 2026 · score 34 · 18.0 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 | 30.6531, -89.9046 |
| Nearest City | Slidell (43 km) |
| Population Exposed | 27.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-05-22T22:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b691a0e2201e5e707c5eec0863257a7b |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Forrest, MS; Jones, MS; Jefferson, LA; St. Charles, LA; St. Tammany, LA; Tangipahoa, LA; Washington, LA |
| Headline | Severe Thunderstorm Warning issued May 22 at 5:08PM CDT until May 22 at 5:15PM CDT by NWS Jackson MS |
| Expires | 2026-05-22T17:18:00-05:00 |
| SenderName | NWS Jackson MS |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b691a0e2201e5e707c5eec0863257a7b33865224.001.1","noaa_urn:oid:2.49.0.1.840.0.cbc0be6159d595e430bce35ee742cb89db54bb5e.001.1","noaa_urn:oid:2.49.0.1.840.0.612c20bb202484d58bfcf97b73b09b145ecab169.001.1"] |
| 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 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.