Right now
The most recent data we hold from NOAA arrived 6 minutes ago, and this point is in it.
2 other detections within 20 km in the last 24 hours, the nearest <1 km from here.
This alert is in force until 2 October 2026, 22:30 UTC.
No stronger detection stands among the 23 recorded within 20 km of this point since 31 March 2026 — 21 others scored the same. 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 Watch issued October 2 at 5:22AM CDT until October 4 at 4:00PM CDT by NWS Milwaukee/Sullivan WI
Urban PEI: 1,077,876 within a heuristic 50 km radius; not unique people.
Nearby, since 31 March 2026
- July 27, 2026 · 4.6 km
- July 27, 2026 · 13.9 km
- September 25, 2026 · score 46 · 19.6 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 46 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 v5. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 46 / 100 |
| Legacy data-support index | 0.80/1 |
| Coordinates | 42.5543, -88.2157 |
| Nearest City | Round Lake Beach (23 km) |
| Urban exposure index (PEI) | 1.1M within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-10-02T10:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.fdcc28f810b34c1491103189844224ce8cd22133.001.1 |
Physical priority index · v5. 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: 2026-10-02T10:22:00.000Z.
First archived: 2026-10-02T10:24:49.980Z. Material modification: not recorded.
Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.
3 retained revisions changed source fields this page does not show; the index, severity and version stayed the same.
Score Breakdown
Technical Details
| Event | Flood Watch |
| MessageId | urn:oid:2.49.0.1.840.0.fdcc28f810b34c1491103189844224ce8cd22133.001.1 |
| Urgency | Future |
| Certainty | Possible |
| AreaDesc | Lake; Kenosha |
| Headline | Flood Watch issued October 2 at 5:22AM CDT until October 4 at 4:00PM CDT by NWS Milwaukee/Sullivan WI |
| Expires | 2026-10-02T17:30:00-05:00 |
| SenderName | NWS Milwaukee/Sullivan WI |
| HasExactCoords | true |
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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