Calamity
MediumSevere WeatherCalamity Score: 41

Severe Weather near Broken Arrow

WagonerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 minutes ago, and this point is in it.

Nothing else has been detected within 20 km in the last 24 hours.

This alert expired on 12 September 2026 at 16:45 UTC. It is kept here as a record.

It is the 17th strongest of the 56 detections recorded within 20 km of this point since 10 April 2026. The last comparable one was on 8 September 2026. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 12 at 11:29AM CDT until September 12 at 11:45AM CDT by NWS Tulsa OK

An estimated 658,927 people live within 50 km of this point.

Nearby, since 10 April 2026

How we know

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

Our own score for this event is 41 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 v4. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)41 / 100
Our confidence81%
Coordinates36.1329, -95.7614
Nearest CityBroken Arrow (10 km)
Population Exposed658.9K within 50 km
Impact Tiersignificant
Timestamp2026-09-12T16:29:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4f951759c608f069d31760e05794b43438f8d134.001.1

Score Breakdown

35
intensity
85
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescTulsa, OK; Wagoner, OK
HeadlineSevere Thunderstorm Warning issued September 12 at 11:29AM CDT until September 12 at 11:45AM CDT by NWS Tulsa OK
Expires2026-09-12T11:45:00-05:00
SenderNameNWS Tulsa OK
HasExactCoordstrue

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.

Want to know when something happens near Broken Arrow?

Share:XLinkedIn