Calamity
CriticalSevere WeatherCalamity Score: 67

Severe Weather in United States

TillmanUnited 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 9 May 2026 at 00:15 UTC. It is kept here as a record.

No stronger detection stands among the 37 recorded within 20 km of this point since 11 March 2026 — 2 others scored the same. The last comparable one was on 8 May 2026. 9 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Tornado Warning issued May 8 at 7:03PM CDT until May 8 at 7:15PM CDT by NWS Norman OK

An estimated 201,365 people live within 50 km of this point.

Nearby, since 11 March 2026

How we know

Confirmed by 7 independent sources, including NOAA.

Our own score for this event is 67 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 v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityCritical
Calamity Score (ours)67 / 100
Our confidence91%
Coordinates34.2857, -98.6686
Nearest CityLawton (44 km)
Population Exposed201.4K within 50 km
Impact Tiersevere
Timestamp2026-05-09T00:03:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.047364cd00b2d1fe914574eb331096107433567a.002.1

Score Breakdown

95
intensity
70
population
0
cascading
80
historical

Technical Details

EventTornado Warning
UrgencyImmediate
CertaintyObserved
AreaDescTillman, OK
HeadlineTornado Warning issued May 8 at 7:03PM CDT until May 8 at 7:15PM CDT by NWS Norman OK
Expires2026-05-08T19:15:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
Iem TypeSummaryH
Iem Magnitude1.75
Iem UnitInch
Iem CityChattanooga
Iem CountyComanche
Iem StateOK
Iem WfoOUN
Iem RemarkReport from mPING: Golf Ball (1.75 in.).
MergedSources[{"id":"iem_H_34.420_-98.650_1778283060000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283060000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.410_-98.660_1778283480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283480000,"latitude":34.41,"longitude":-98.66},{"id":"iem_H_34.420_-98.650_1778283600000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283600000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283540000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283180000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283180000,"latitude":34.42,"longitude":-98.65},{"id":"iem_H_34.420_-98.650_1778283240000","source":"iem","severity":"low","severityValue":25,"timestamp":1778283240000,"latitude":34.42,"longitude":-98.65}]

Safety Information

If a tornado warning is issued: go to a basement or an interior room on the lowest floor, away from windows. A vehicle and a mobile home are not shelter. Cover your head and neck. Wait for the official all-clear before going outside, and watch for downed power lines and gas leaks afterwards.

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 67/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.