This alert expired on 13 March 2026 at 04:00 UTC. It is kept here as a record.
It is the 42nd strongest of the 114 detections recorded within 20 km of this point since 11 March 2026. The last comparable one was on 11 March 2026. One more was recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 12 at 11:56AM EDT until March 19 at 2:00AM EDT by NWS Indianapolis IN
An estimated 33,463 people live within 50 km of this point.
Nearby, since 11 March 2026
- June 26, 2026 · score 34 · 2.0 km
- March 11, 2026 · score 34 · 2.2 km
- June 28, 2026 · score 43 · 4.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 34 out of 100, at 78 % 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 | 78% |
| Coordinates | 38.4269, -87.4721 |
| Nearest City | Vincennes (29 km) |
| Population Exposed | 33.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-12T15:56:00.000Z |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Lawrence, IN; Martin, IN; Jackson, IN; Lawrence, IN; Washington, IN; Daviess, IN; Dubois, IN; Martin, IN; Pike, IN and 13 more areas |
| Headline | Flood Warning issued March 12 at 11:56AM EDT until March 19 at 2:00AM EDT by NWS Indianapolis IN |
| Expires | 2026-03-13T00:00:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 19 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.2fec24a20d7d474421ffc0dc86e2d081b45400db.004.1","noaa_urn:oid:2.49.0.1.840.0.2fec24a20d7d474421ffc0dc86e2d081b45400db.005.1","noaa_urn:oid:2.49.0.1.840.0.2fec24a20d7d474421ffc0dc86e2d081b45400db.003.1","noaa_urn:oid:2.49.0.1.840.0.2fec24a20d7d474421ffc0dc86e2d081b45400db.002.1","noaa_urn:oid:2.49.0.1.840.0.2fec24a20d7d474421ffc0dc86e2d081b45400db.001.1","noaa_urn:oid:2.49.0.1.840.0.a50bf1bca203a11105da31f126622c08d4ebb125.001.1","noaa_urn:oid:2.49.0.1.840.0.fac8198f16e4e0771ebc371a614189e15ca3d19b.001.1","noaa_urn:oid:2.49.0.1.840.0.810283a00b27e81caa5bf4eb8d21df571287222b.001.1","noaa_urn:oid:2.49.0.1.840.0.327a738898afd1d9eaf4584ad031e65095e31afd.001.1","noaa_urn:oid:2.49.0.1.840.0.c85cbef91eb310c178be4a0c46ac2959abf32549.001.1","noaa_urn:oid:2.49.0.1.840.0.e9a55a86c7fe897e9313bd6ffa02246c7649e259.005.1","noaa_urn:oid:2.49.0.1.840.0.e9a55a86c7fe897e9313bd6ffa02246c7649e259.008.1","noaa_urn:oid:2.49.0.1.840.0.e9a55a86c7fe897e9313bd6ffa02246c7649e259.006.1","noaa_urn:oid:2.49.0.1.840.0.e9a55a86c7fe897e9313bd6ffa02246c7649e259.009.1","noaa_urn:oid:2.49.0.1.840.0.e9a55a86c7fe897e9313bd6ffa02246c7649e259.010.1","noaa_urn:oid:2.49.0.1.840.0.3464b2934ad102b318bf1875adaa988d77f5cd0a.004.1","noaa_urn:oid:2.49.0.1.840.0.3464b2934ad102b318bf1875adaa988d77f5cd0a.002.1","noaa_urn:oid:2.49.0.1.840.0.3464b2934ad102b318bf1875adaa988d77f5cd0a.003.1","noaa_urn:oid:2.49.0.1.840.0.3464b2934ad102b318bf1875adaa988d77f5cd0a.001.1"] |
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 34/100, near Vincennes (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 194 scientific monitoring sources.