Calamity
MediumSevere WeatherCalamity Score: 39

Severe Weather in United States

PottawatomieUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 16 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 6 June 2026 at 06:00 UTC. It is kept here as a record.

It is the 3rd strongest of the 42 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 5 at 12:55AM CDT until June 7 at 3:00AM CDT by NWS Kansas City/Pleasant Hill MO

An estimated 56,308 people live within 50 km of this point.

Nearby, since 15 March 2026

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

TypeSevere Weather
SeverityMedium
Calamity Score (ours)39 / 100
Our confidence81%
Coordinates39.4826, -96.1752
Nearest CityManhattan (48 km)
Population Exposed56.3K within 50 km
Impact Tiersignificant
Timestamp2026-06-06T05:27:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flood Warning_noaa_urn:oid:2.49.0.1.840.0.eead465908c62644b0275ece735f3411

Score Breakdown

35
intensity
55
population
0
cascading
80
historical

Technical Details

EventFlood Warning
UrgencyExpected
CertaintyLikely
AreaDescAtchison, KS; Pottawatomie, KS; Pottawatomie, KS; Riley, KS and 12 more areas
HeadlineFlood Warning issued June 5 at 12:55AM CDT until June 7 at 3:00AM CDT by NWS Kansas City/Pleasant Hill MO
Expires2026-06-06T01:00:00-05:00
SenderNameNWS Kansas City/Pleasant Hill MO
HasExactCoordstrue
MergedCount17
MergedIds["noaa_urn:oid:2.49.0.1.840.0.eead465908c62644b0275ece735f3411dcfe5471.001.1","noaa_urn:oid:2.49.0.1.840.0.ffdb973c8d9c7713377a09439a11a3386948b594.001.1","noaa_urn:oid:2.49.0.1.840.0.30b73b3951997a0890a1c791559d9abada9f18c8.001.1","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.e625b14ad08935a16d020de3146c860f74a3f715.001.1","noaa_urn:oid:2.49.0.1.840.0.e625b14ad08935a16d020de3146c860f74a3f715.002.1","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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