This alert expired on 16 March 2026 at 18:45 UTC. It is kept here as a record.
It is the 12th strongest of the 115 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 21 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued March 15 at 11:34AM CDT until March 19 at 7:00PM CDT by NWS Paducah KY
An estimated 137,955 people live within 50 km of this point.
Nearby, since 11 March 2026
- March 15, 2026 · score 43 · 0.0 km
- June 22, 2026 · score 67 · 0.9 km
- July 11, 2026 · score 43 · 1.9 km
How we know
Confirmed by 13 independent sources, including NOAA.
Our own score for this event is 43 out of 100, at 88 % 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 | 88% |
| Coordinates | 38.4034, -87.5729 |
| Nearest City | Vincennes (31 km) |
| Population Exposed | 138.0K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-03-15T16:34:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood-Warning_noaa_urn-oid-2_49_0_1_840_0_eb3bdff6f691b1e280b1e56569a2b7fe |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Gibson, IN; Gallatin, IL; Wabash, IL; White, IL; Gibson, IN; Posey, IN; Gallatin, IL; Hardin, IL; Crittenden, KY; Union, KY and 6 more areas |
| Headline | Flood Warning issued March 15 at 11:34AM CDT until March 19 at 7:00PM CDT by NWS Paducah KY |
| Expires | 2026-03-16T13:45:00-05:00 |
| SenderName | NWS Paducah KY |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.eb3bdff6f691b1e280b1e56569a2b7fef1e33d28.001.1","noaa_urn:oid:2.49.0.1.840.0.36ce2be8125d8a50a3715ccb5f569ffd618bab89.001.1","noaa_urn:oid:2.49.0.1.840.0.d4e9ba5fe7070dd1af8a4c054f50c5ea0c8f90f9.001.1","noaa_urn:oid:2.49.0.1.840.0.dcdd38be4b14a1249c826fb86f1d34dd48fab148.001.1","noaa_urn:oid:2.49.0.1.840.0.b8e9e8e0dcdeb4d77033b6610010c307320904b6.002.1","noaa_urn:oid:2.49.0.1.840.0.b8e9e8e0dcdeb4d77033b6610010c307320904b6.003.1","noaa_urn:oid:2.49.0.1.840.0.b8e9e8e0dcdeb4d77033b6610010c307320904b6.001.1","noaa_urn:oid:2.49.0.1.840.0.7dfe11d38a397a0ba3b986be86c504c11f9962c5.002.1","noaa_urn:oid:2.49.0.1.840.0.7dfe11d38a397a0ba3b986be86c504c11f9962c5.004.1","noaa_urn:oid:2.49.0.1.840.0.7dfe11d38a397a0ba3b986be86c504c11f9962c5.003.1","noaa_urn:oid:2.49.0.1.840.0.fc3141392da637c9ee23c31e0984e35bcd1adce7.001.1"] |
| Iem TypeSummary | O |
| Iem City | Boonville |
| Iem County | Warrick |
| Iem State | IN |
| Iem Wfo | PAH |
| Iem Remark | Multiple reports of trees down on roadways and at least one report of a power line down across Warrick County. |
| MergedSources | [{"id":"iem_O_38.680_-87.490_1773593880000","source":"iem","severity":"low","severityValue":25,"timestamp":1773593880000,"latitude":38.68,"longitude":-87.49},{"id":"iem_N_37.820_-87.670_1773601980000","source":"iem","severity":"low","severityValue":25,"timestamp":1773601980000,"latitude":37.82,"longitude":-87.67},{"id":"iem_O_38.710_-87.760_1773597780000","source":"iem","severity":"low","severityValue":25,"timestamp":1773597780000,"latitude":38.71,"longitude":-87.76},{"id":"iem_N_38.050_-87.520_1773592800000","source":"iem","severity":"low","severityValue":25,"timestamp":1773592800000,"latitude":38.05,"longitude":-87.52},{"id":"iem_N_39.010_-87.650_1773588840000","source":"iem","severity":"low","severityValue":25,"timestamp":1773588840000,"latitude":39.01,"longitude":-87.65},{"id":"iem_O_39.000_-87.740_1773595320000","source":"iem","severity":"low","severityValue":25,"timestamp":1773595320000,"latitude":39,"longitude":-87.74},{"id":"iem_O_38.010_-87.530_1773597000000","source":"iem","severity":"low","severityValue":25,"timestamp":1773597000000,"latitude":38.01,"longitude":-87.53},{"id":"iem_N_37.940_-87.890_1773593340000","source":"iem","severity":"low","severityValue":25,"timestamp":1773593340000,"latitude":37.94,"longitude":-87.89},{"id":"iem_N_37.800_-87.760_1773591900000","source":"iem","severity":"low","severityValue":25,"timestamp":1773591900000,"latitude":37.8,"longitude":-87.76},{"id":"iem_N_38.760_-87.600_1773593580000","source":"iem","severity":"low","severityValue":25,"timestamp":1773593580000,"latitude":38.76,"longitude":-87.6},{"id":"iem_N_37.840_-87.580_1773592680000","source":"iem","severity":"low","severityValue":25,"timestamp":1773592680000,"latitude":37.84,"longitude":-87.58},{"id":"iem_O_38.050_-87.270_1773591840000","source":"iem","severity":"low","severityValue":25,"timestamp":1773591840000,"latitude":38.05,"longitude":-87.27}] |
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.
Want to know when something happens near Vincennes?
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 187 scientific monitoring sources.