Tornado Warning issued March 11 at 9:20PM CDT until March 11 at 9:30PM CDT by NWS New Orleans LA
Geographic Context
This weather event occurred near Hammond (approximately 61 km away) in United States, an area that experiences a range of natural hazards.
Event Assessment
This event is a weather event classified as critical severity. Calamity.live has classified it as "critical" severity with a severity value of 95. The computed Calamity Score is 46 out of 100, reflecting a moderate-impact event. The primary scoring components are: intensity (95), historical (80). Data for this event was sourced from noaa, one of the 250 scientific monitoring sources aggregated by Calamity.live.
Regional Monitoring Context
United States has a documented history of weather events. Monitoring for weather events in the region relies on a combination of ground-based sensors, satellite remote sensing, and official reporting from national agencies. The frequency and severity of such events are tracked over time to support risk assessment and emergency preparedness.
Event Data
| Type | Weather |
| Severity | critical |
| Severity Value | 95 |
| Calamity Score | 46 / 100 |
| Confidence | 65% |
| Coordinates | 30.8177, -89.9384 |
| Nearest City | Hammond (61 km) |
| Impact Tier | minor |
| Timestamp | 2026-03-12T02:20:00.000Z |
Score Breakdown
Technical Details
| Event | Tornado Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Tangipahoa, LA; Washington, LA; St. Tammany, LA and 2 more areas |
| Headline | Tornado Warning issued March 11 at 9:20PM CDT until March 11 at 9:30PM CDT by NWS New Orleans LA |
| Expires | 2026-03-11T21:30:00-05:00 |
| SenderName | NWS New Orleans LA |
| HasExactCoords | true |
| MergedCount | 6 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.856f0e129b55403d437a29f607ca24d6bb921c5a.001.1","noaa_urn:oid:2.49.0.1.840.0.13ca367986c2504cdce48e196a16eed6ad191e95.001.1","noaa_urn:oid:2.49.0.1.840.0.514966e09f15ef70ecff2e8de6c7c62691346c97.001.1","noaa_urn:oid:2.49.0.1.840.0.f2e24bbde7fa1c29223399c75fd6d23ad0d700b7.001.1","noaa_urn:oid:2.49.0.1.840.0.f110301c56a23eaa55bb7fab1659f903ba4c57c5.001.1","noaa_urn:oid:2.49.0.1.840.0.5408be6f2395c4476fc9f84ce39d031530d0c9cd.001.1"] |
| Iem TypeSummary | D |
| Iem Unit | |
| Iem City | 2 NE Roseland |
| Iem County | Tangipahoa |
| Iem State | LA |
| Iem Wfo | LIX |
| Iem Remark | Trees reported down on LA 10 and South River Rd near Roseland, LA. Possible Tornado. |
| MergedSources | [{"id":"iem_D_30.790_-90.480_1773279660000","source":"iem","severity":"low","severityValue":25,"timestamp":1773279660000,"latitude":30.79,"longitude":-90.48}] |
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.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Calamity.live data shows a weather event with CalamityScore 46/100, near Hammond (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 197 scientific monitoring sources.