Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

McPhersonUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 4 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 29 May 2026 at 06:48 UTC. It is kept here as a record.

It is the 2nd strongest of the 34 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flood Warning issued May 29 at 1:38AM CDT until May 29 at 1:45AM CDT by NWS Wichita KS

An estimated 47,813 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 34 out of 100, at 85 % 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)34 / 100
Our confidence85%
Coordinates38.5350, -97.6000
Nearest CitySalina (34 km)
Population Exposed47.8K within 50 km
Impact Tiersignificant
Timestamp2026-05-29T06:38:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.960682250a56952498dc2924ed3fe86959fec652.001.1

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventFlood Warning
UrgencyImmediate
CertaintyLikely
AreaDescMcPherson, KS; Saline, KS
HeadlineFlood Warning issued May 29 at 1:38AM CDT until May 29 at 1:45AM CDT by NWS Wichita KS
Expires2026-05-29T01:48:00-05:00
SenderNameNWS Wichita KS
HasExactCoordstrue
Iem TypeSummaryR
Iem Magnitude4.67
Iem UnitInch
Iem City6 SW Smolan
Iem CountySaline
Iem StateKS
Iem WfoICT
Iem RemarkRelayed via emergency manager. Storm total so far.
MergedSources[{"id":"iem_R_38.670_-97.760_1780017780000","source":"iem","severity":"low","severityValue":25,"timestamp":1780017780000,"latitude":38.67,"longitude":-97.76}]

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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