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 5 June 2026 at 18:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 44 detections recorded within 20 km of this point since 15 March 2026. The last comparable one was on 5 June 2026. 16 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Flood Warning issued June 4 at 9:54PM CDT until June 5 at 9:00PM CDT by NWS Topeka KS
An estimated 56,308 people live within 50 km of this point.
Nearby, since 15 March 2026
- June 6, 2026 · score 39 · 0.0 km
- July 9, 2026 · score 39 · 13.1 km
- July 10, 2026 · score 39 · 14.3 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 39 out of 100, at 81 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
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) | 39 / 100 |
| Our confidence | 81% |
| Coordinates | 39.5002, -96.1853 |
| Nearest City | Manhattan (49 km) |
| Population Exposed | 56.3K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-06T05:27:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.84b007293393901c52623a5adce0f26a |
Score Breakdown
Technical Details
| Event | Flood Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Riley, KS; Marshall, KS; Ottawa, KS and 9 more areas |
| Headline | Flood Warning issued June 4 at 9:54PM CDT until June 5 at 9:00PM CDT by NWS Topeka KS |
| Expires | 2026-06-05T13:00:00-05:00 |
| SenderName | NWS Topeka KS |
| HasExactCoords | true |
| MergedCount | 14 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.84b007293393901c52623a5adce0f26a060ecfbd.001.1","noaa_urn:oid:2.49.0.1.840.0.e8fc0b210eee07a412f84005c0937d0118de8ff0.001.1","noaa_urn:oid:2.49.0.1.840.0.64f887038caed3be1ba8635b8510a72733bf0341.001.1","noaa_urn:oid:2.49.0.1.840.0.1aa8128583ae70a330f20aa7b4d915d320d33259.001.1","noaa_urn:oid:2.49.0.1.840.0.8e6f0ea89c385cdffde368a75df346ba2ca99788.001.1","noaa_urn:oid:2.49.0.1.840.0.13f1047b2d54590a90661bd67183d5624d5c9336.001.1","noaa_urn:oid:2.49.0.1.840.0.c9ac633b5cce2d8e6f259baf21d1dea2cba76117.001.1","noaa_urn:oid:2.49.0.1.840.0.cb65f9f6e48c7fef4898186c08c2df2086e75926.001.1","noaa_urn:oid:2.49.0.1.840.0.a76070aff4ff41e7e4ed73d2676b16674979abaf.001.1","noaa_urn:oid:2.49.0.1.840.0.67b50d00da6a5a65603138a1643c90fbdc7fb7c5.001.1","noaa_urn:oid:2.49.0.1.840.0.e625b14ad08935a16d020de3146c860f74a3f715.002.1","noaa_urn:oid:2.49.0.1.840.0.e625b14ad08935a16d020de3146c860f74a3f715.001.1","noaa_urn:oid:2.49.0.1.840.0.0e14c3a1119a53576f0e3c3476f79b4563f5d820.001.1","noaa_urn:oid:2.49.0.1.840.0.14f580ef15619dc75b383221351d23662f1fb1d7.001.1"] |
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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