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.
7 other detections within 20 km in the last 24 hours, the nearest 7 km from here.
This alert expired on 4 July 2026 at 05:00 UTC. It is kept here as a record.
No stronger detection stands among the 35 recorded within 20 km of this point since 15 March 2026 — 14 others scored the same. Another comparable one was recorded here earlier the same day. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flash Flood Warning issued July 3 at 9:02PM CDT until July 4 at 12:00AM CDT by NWS Goodland KS
Urban PEI: 21,092 within a heuristic 50 km radius; not unique people.
Nearby, since 15 March 2026
- July 4, 2026 · score 34 · 5.9 km
- September 14, 2026 · score 28 · 7.1 km
How we know
6 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 34 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) | 34 / 100 |
| Legacy data-support index | 0.90/1 |
| Coordinates | 39.1307, -99.7549 |
| Nearest City | Hays (46 km) |
| Urban exposure index (PEI) | 21.1K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-07-04T02:02:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.8ae6cca1d8de1b8e272672db87520f37 |
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: 2026-07-04T02:02:00.000Z.
First archived: 2026-07-04T03:02:19.731Z. 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 | Flash Flood Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Graham, KS; Ellis, KS; Trego, KS |
| Headline | Flash Flood Warning issued July 3 at 9:02PM CDT until July 4 at 12:00AM CDT by NWS Goodland KS |
| Expires | 2026-07-04T00:00:00-05:00 |
| SenderName | NWS Goodland KS |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.8ae6cca1d8de1b8e272672db87520f3705b9c0fa.001.1","noaa_urn:oid:2.49.0.1.840.0.fd11bbfc8abd0b4e17a4e03b53ef445f680c87ee.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 8 NNW Ogallah |
| Iem County | Trego |
| Iem State | KS |
| Iem Wfo | DDC |
| MergedSources | [{"id":"iem_H_39.110_-99.640_1783124640000","source":"iem","severity":"low","severityValue":25,"timestamp":1783124640000,"latitude":39.11,"longitude":-99.64},{"id":"iem_H_39.030_-99.890_1783128480000","source":"iem","severity":"low","severityValue":25,"timestamp":1783128480000,"latitude":39.03,"longitude":-99.89},{"id":"iem_G_39.000_-99.800_1783128600000","source":"iem","severity":"low","severityValue":25,"timestamp":1783128600000,"latitude":39,"longitude":-99.8},{"id":"iem_H_39.280_-99.560_1783122000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783122000000,"latitude":39.28,"longitude":-99.56},{"id":"iem_H_39.100_-99.770_1783126560000","source":"iem","severity":"low","severityValue":25,"timestamp":1783126560000,"latitude":39.1,"longitude":-99.77}] |
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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