Right now
The most recent data we hold from NOAA arrived 3 minutes ago, and this point is in it.
This alert is in force until 21 September 2026, 02:00 UTC.
What the source measured
NOAA reported: Flood Warning issued September 19 at 8:50PM CDT until September 21 at 5:00PM CDT by NWS Quad Cities IA IL
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 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) | 16 / 100 |
| Legacy data-support index | 0.61/1 |
| Coordinates | 43.1376, -91.4260 |
| Nearest City | La Crosse (75 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-09-20T12:00:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b924c5052f0669b5a36071ceaab967c102c66631.001.1 |
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: 2026-09-20T12:00:00.000Z.
First archived: 2026-09-20T01:56:12.483Z. 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 | Jackson, IA; Winneshiek, IA; Clayton, IA and 6 more areas |
| Headline | Flood Warning issued September 19 at 8:50PM CDT until September 21 at 5:00PM CDT by NWS Quad Cities IA IL |
| Expires | 2026-09-20T21:00:00-05:00 |
| SenderName | NWS Quad Cities IA IL |
| HasExactCoords | true |
| MergedCount | 13 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b924c5052f0669b5a36071ceaab967c102c66631.001.1","noaa_urn:oid:2.49.0.1.840.0.fa72235b775e5ae87cbff7bd4fd74dbd41472ca2.001.1","noaa_urn:oid:2.49.0.1.840.0.64a42c7933bb72b1a9f5edc8bae991e7cd37474c.001.1","noaa_urn:oid:2.49.0.1.840.0.64a42c7933bb72b1a9f5edc8bae991e7cd37474c.002.1","noaa_urn:oid:2.49.0.1.840.0.ebd706fedf34c64022ee617be8ee3f6c65797cd2.001.1","noaa_urn:oid:2.49.0.1.840.0.27a7c7bb871fffb4c2e5ea69dfce62e1a5ae6b38.001.1","noaa_urn:oid:2.49.0.1.840.0.27a7c7bb871fffb4c2e5ea69dfce62e1a5ae6b38.002.1","noaa_urn:oid:2.49.0.1.840.0.6b9e301f68c8b9d8cdad839f21dd714504728e96.001.1","noaa_urn:oid:2.49.0.1.840.0.c8079876531af6f9c9f92dbaeeb1e11285bd3f7a.003.1","noaa_urn:oid:2.49.0.1.840.0.c8079876531af6f9c9f92dbaeeb1e11285bd3f7a.002.1","noaa_urn:oid:2.49.0.1.840.0.c8079876531af6f9c9f92dbaeeb1e11285bd3f7a.001.1","noaa_urn:oid:2.49.0.1.840.0.313fa7aa7a9f0488d346f10028f52d7ea29ea489.001.1","noaa_urn:oid:2.49.0.1.840.0.31eace1d205406decf93c4448b9e8ea1aea6e8e1.001.1"] |
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.
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