Calamity
HighSevere WeatherCalamity Score: 54

Severe Weather near El Reno

CanadianUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 8 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

14 other detections within 20 km in the last 24 hours, the nearest 10 km from here.

This alert expired on 12 September 2026 at 23:30 UTC. It is kept here as a record.

It is the 3rd strongest of the 49 detections recorded within 20 km of this point since 31 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 12 at 6:03PM CDT until September 12 at 6:30PM CDT by NWS Norman OK

An estimated 995,091 people live within 50 km of this point.

Nearby, since 31 March 2026

How we know

Confirmed by 3 independent sources, including NOAA.

Our own score for this event is 54 out of 100, at 91 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityHigh
Calamity Score (ours)54 / 100
Our confidence91%
Coordinates35.6717, -97.8533
Nearest CityEl Reno (18 km)
Population Exposed995.1K within 50 km
Impact Tiersevere
Timestamp2026-09-12T23:03:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0b480821d97d7b520d561cbea7e16c04cd1695ef.002.1

Score Breakdown

50
intensity
85
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCanadian, OK
HeadlineSevere Thunderstorm Warning issued September 12 at 6:03PM CDT until September 12 at 6:30PM CDT by NWS Norman OK
Expires2026-09-12T18:30:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
Spc ReportTypehail
Spc Speed100
Spc Location1 NNW Oklahoma City
Spc CountyOklahoma
Spc StateOK
Spc Comments(OUN)
Iem TypeSummaryH
Iem Magnitude1
Iem UnitInch
Iem City1 NNW Oklahoma City
Iem CountyOklahoma
Iem StateOK

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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