Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 3 July 2026 at 08:00 UTC. It is kept here as a record.
It is the 3rd strongest of the 62 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 2 July 2026. 18 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued July 2 at 11:46AM CDT until July 3 at 5:00PM CDT by NWS La Crosse WI
Urban PEI: 121,244 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- June 24, 2026 · score 67 · 10.0 km
- July 3, 2026 · score 43 · 19.0 km
- July 4, 2026 · score 43 · 19.9 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 43 out of 100.
This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 43 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 43.5739, -91.2317 |
| Nearest City | La Crosse (25 km) |
| Urban exposure index (PEI) | 121.2K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-03T12:00:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.ca91176b4bc39139ef1c36caae733789 |
Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.
Source and revision timeline
Source: noaa. Occurrence: 2026-07-03T12:00:00.000Z.
First archived: 2026-07-02T17:16:38.925Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Expected |
| Certainty | Likely |
| AreaDesc | Mower, MN; Allamakee, IA; Winneshiek, IA; La Crosse, WI; Monroe, WI and 6 more areas |
| Headline | Flood Warning issued July 2 at 11:46AM CDT until July 3 at 5:00PM CDT by NWS La Crosse WI |
| Expires | 2026-07-03T03:00:00-05:00 |
| SenderName | NWS La Crosse WI |
| HasExactCoords | true |
| MergedCount | 11 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.ca91176b4bc39139ef1c36caae733789145eb35a.001.1","noaa_urn:oid:2.49.0.1.840.0.59963003dd958dc13b372409191720cb26154c61.001.1","noaa_urn:oid:2.49.0.1.840.0.7f4938a9f105b8391335cf74f4d610a47ca83cb8.001.1","noaa_urn:oid:2.49.0.1.840.0.0e01b4abc496d9920b085f331ba27e21554950fa.001.1","noaa_urn:oid:2.49.0.1.840.0.8b6972d924dc1b039f32c13c9e4f9a05d92ed553.001.1","noaa_urn:oid:2.49.0.1.840.0.4ed84bbae6a2b1337d6dc7dacb837a177c8691c5.001.1","noaa_urn:oid:2.49.0.1.840.0.a1a164ad59e845c12143375194be16ff61655ee7.001.1","noaa_urn:oid:2.49.0.1.840.0.49eeea3c0188de65c3ef3b52453b71229a42d263.003.1","noaa_urn:oid:2.49.0.1.840.0.49eeea3c0188de65c3ef3b52453b71229a42d263.001.1","noaa_urn:oid:2.49.0.1.840.0.49eeea3c0188de65c3ef3b52453b71229a42d263.002.1","noaa_urn:oid:2.49.0.1.840.0.c4ad3620d2cefff183e127f95027b909453c22d9.001.1"] |
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 8 March 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.
Review the area, threshold and delivery channel in your account.
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