Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

SeminoleUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 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 9 May 2026 at 01:45 UTC. It is kept here as a record.

It is the 3rd strongest of the 17 detections recorded within 20 km of this point since 24 April 2026. Another comparable one was recorded here earlier the same day. 3 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 8 at 7:59PM CDT until May 8 at 8:45PM CDT by NWS Norman OK

An estimated 48,589 people live within 50 km of this point.

Nearby, since 24 April 2026

How we know

One source: NOAA. Not yet confirmed by a second, independent source.

Our own score for this event is 34 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)34 / 100
Our confidence81%
Coordinates35.0996, -96.6894
Nearest CityShawnee (34 km)
Population Exposed48.6K within 50 km
Impact Tiersignificant
Date2026-05-09 — time not reported by the source
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.40527f1bb15dbbbbaec9a1db528d864d

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescGarvin, OK; McClain, OK; Pontotoc, OK; Pottawatomie, OK; Cherokee, OK; Muskogee, OK; Sequoyah, OK; McIntosh, OK; Muskogee, OK; Okmulgee, OK and 5 more areas
HeadlineSevere Thunderstorm Warning issued May 8 at 7:59PM CDT until May 8 at 8:45PM CDT by NWS Norman OK
Expires2026-05-08T20:45:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
MergedCount9
MergedIds["noaa_urn:oid:2.49.0.1.840.0.40527f1bb15dbbbbaec9a1db528d864d807f9829.001.1","noaa_urn:oid:2.49.0.1.840.0.912fce2db142d3dc416ed46de22128bab8ef5d67.002.1","noaa_urn:oid:2.49.0.1.840.0.e41e3d3b5e642c0ff81969b85fde12baa6b9c35d.001.1","noaa_urn:oid:2.49.0.1.840.0.bd0ee14a2618e652e6467a29d927457c2fe29113.001.1","noaa_urn:oid:2.49.0.1.840.0.88454e14858232834300dff7aefb10cf01420189.002.1","noaa_urn:oid:2.49.0.1.840.0.d64f2108abd35d016b77333c938214b4cc289821.001.1","noaa_urn:oid:2.49.0.1.840.0.394c7938b81af5293271ca54aed03272b3bc46f8.001.1","noaa_urn:oid:2.49.0.1.840.0.a940de4a4e593cd63333bd3ab1c4e8799aca0d42.001.1","noaa_urn:oid:2.49.0.1.840.0.9b241b3a25a8fc8bb59dd88e77bb83ee5ecca323.001.1"]

Safety Information

Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.

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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Calamity.live data shows a weather event with CalamityScore 34/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.