This alert expired on 2 August 2026 at 09:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 58 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 27 July 2026. 20 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued August 1 at 8:55PM EDT until August 2 at 5:00AM EDT by NWS Indianapolis IN
An estimated 433,472 people live within 50 km of this point.
Nearby, since 15 March 2026
- August 12, 2026 · score 43 · 3.6 km
- June 6, 2026 · score 43 · 8.0 km
- July 27, 2026 · score 43 · 13.2 km
How we know
Confirmed by 18 independent sources, including NOAA.
Our own score for this event is 43 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) | 43 / 100 |
| Our confidence | 89% |
| Coordinates | 40.2871, -86.5003 |
| Nearest City | Frankfort (1 km) |
| Population Exposed | 433.5K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-02T05:08:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.15492ccfa2b311d9bea9643652153fea |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Delaware, IN; Madison, IN; Randolph, IN; Hendricks, IN; Henry, IN and 12 more areas |
| Headline | Flood Warning issued August 1 at 8:55PM EDT until August 2 at 5:00AM EDT by NWS Indianapolis IN |
| Expires | 2026-08-02T05:00:00-04:00 |
| SenderName | NWS Indianapolis IN |
| HasExactCoords | true |
| MergedCount | 15 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.15492ccfa2b311d9bea9643652153fea9b0e7e4a.001.1","noaa_urn:oid:2.49.0.1.840.0.b1b23fa0e24a45b9df3deb9a014f467c6315aada.001.1","noaa_urn:oid:2.49.0.1.840.0.fab33e03f801c772c8f0a5e7dbf4516e778aa012.001.1","noaa_urn:oid:2.49.0.1.840.0.771d1a8fa01326fcf56a161368cd4bf9db3affbf.001.1","noaa_urn:oid:2.49.0.1.840.0.4cb22c8f6d47b0f3d388fa6d3514dd1ee24d0b01.001.1","noaa_urn:oid:2.49.0.1.840.0.dba060a86ef19bc9bca8adbb2f4bfa75c3a4bcf3.001.1","noaa_urn:oid:2.49.0.1.840.0.cf0ba6b6d4574381ac1b355de2ff21488a9fa10f.001.1","noaa_urn:oid:2.49.0.1.840.0.95415018d08c85ca6319e37ed764b45d0352aff0.001.1","noaa_urn:oid:2.49.0.1.840.0.bafad24fb421d6207331dcbdf89452dba01dad58.001.1","noaa_urn:oid:2.49.0.1.840.0.667d846420251fb14d2425118cf900c8f16eb43d.001.1","noaa_urn:oid:2.49.0.1.840.0.8b2a2e32a6a6bd5a11078f3c3c763db5191d56f3.001.1","noaa_urn:oid:2.49.0.1.840.0.2076087c909e2c12426e458adbba4121bd249b00.001.1","noaa_urn:oid:2.49.0.1.840.0.521328079673bcf7d1473373d366a69f55914506.001.1","noaa_urn:oid:2.49.0.1.840.0.254b9cf2f88c3759e56f727b4cf6548229a2a9c8.001.1","noaa_urn:oid:2.49.0.1.840.0.caca22f050c922e216112c6e285c151f330045fb.001.1"] |
| Iem TypeSummary | R |
| Iem Magnitude | 1.21 |
| Iem Unit | Inch |
| Iem City | 1 ESE Purdue University |
| Iem County | Tippecanoe |
| Iem State | IN |
| Iem Wfo | IND |
| Iem Remark | Mesonet station GW7323 LAFAYETTE. |
| MergedSources | [{"id":"iem_R_39.920_-86.890_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":39.92,"longitude":-86.89},{"id":"iem_R_39.860_-86.130_1785628200000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628200000,"latitude":39.86,"longitude":-86.13},{"id":"iem_R_39.870_-86.140_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":39.87,"longitude":-86.14},{"id":"iem_R_40.520_-87.180_1785629340000","source":"iem","severity":"low","severityValue":25,"timestamp":1785629340000,"latitude":40.52,"longitude":-87.18},{"id":"iem_R_39.810_-86.310_1785628980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628980000,"latitude":39.81,"longitude":-86.31},{"id":"iem_R_39.880_-86.050_1785625800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785625800000,"latitude":39.88,"longitude":-86.05},{"id":"iem_R_39.770_-86.180_1785629040000","source":"iem","severity":"low","severityValue":25,"timestamp":1785629040000,"latitude":39.77,"longitude":-86.18},{"id":"iem_R_39.950_-86.900_1785628980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628980000,"latitude":39.95,"longitude":-86.9},{"id":"iem_R_39.960_-86.130_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":39.96,"longitude":-86.13},{"id":"iem_R_40.120_-85.680_1785627660000","source":"iem","severity":"low","severityValue":25,"timestamp":1785627660000,"latitude":40.12,"longitude":-85.68},{"id":"iem_R_39.790_-86.800_1785628980000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628980000,"latitude":39.79,"longitude":-86.8},{"id":"iem_R_40.490_-87.090_1785629280000","source":"iem","severity":"low","severityValue":25,"timestamp":1785629280000,"latitude":40.49,"longitude":-87.09},{"id":"iem_R_39.940_-86.240_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":39.94,"longitude":-86.24},{"id":"iem_R_39.860_-86.130_1785625800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785625800000,"latitude":39.86,"longitude":-86.13},{"id":"iem_R_39.770_-86.130_1785626220000","source":"iem","severity":"low","severityValue":25,"timestamp":1785626220000,"latitude":39.77,"longitude":-86.13},{"id":"iem_R_39.920_-86.730_1785628800000","source":"iem","severity":"low","severityValue":25,"timestamp":1785628800000,"latitude":39.92,"longitude":-86.73},{"id":"iem_R_40.420_-86.890_1785629400000","source":"iem","severity":"low","severityValue":25,"timestamp":1785629400000,"latitude":40.42,"longitude":-86.89}] |
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 43/100, near Frankfort (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.