Calamity
MediumSevere WeatherCalamity Score: 34

Severe Weather in United States

CaddoUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 1 minute 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 10 May 2026 at 03:45 UTC. It is kept here as a record.

It is the 4th strongest of the 13 detections recorded within 20 km of this point since 10 May 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: Severe Thunderstorm Warning issued May 9 at 10:13PM CDT until May 9 at 10:45PM CDT by NWS Norman OK

An estimated 16,488 people live within 50 km of this point.

Nearby, since 10 May 2026

How we know

Confirmed by 21 independent sources, including NOAA.

Our own score for this event is 34 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
SeverityMedium
Calamity Score (ours)34 / 100
Our confidence91%
Coordinates35.0920, -98.4210
Nearest CityChickasha (44 km)
Population Exposed16.5K within 50 km
Impact Tiersignificant
Timestamp2026-05-10T03:13:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.3dd0a088e13f83fe259f50325324d061

Score Breakdown

35
intensity
40
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCuster, OK; Dewey, OK; Carter, OK; Comanche, OK; Cotton, OK; Garvin, OK; Grady, OK; Jefferson, OK; Murray, OK; Stephens, OK
HeadlineSevere Thunderstorm Warning issued May 9 at 10:13PM CDT until May 9 at 10:45PM CDT by NWS Norman OK
Expires2026-05-09T22:45:00-05:00
SenderNameNWS Norman OK
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.3dd0a088e13f83fe259f50325324d061a3136a06.001.1","noaa_urn:oid:2.49.0.1.840.0.7b7611445d6d81cbd174c4bfcaa432fb42e99e14.001.1"]
Iem TypeSummaryH
Iem Magnitude1.25
Iem UnitInch
Iem City1 NE Elgin
Iem CountyComanche
Iem StateOK
Iem WfoOUN
Iem RemarkReport from mPING: Half Dollar (1.25 in.). Time adjusted from radar.
MergedSources[{"id":"iem_H_35.320_-99.160_1778370900000","source":"iem","severity":"low","severityValue":25,"timestamp":1778370900000,"latitude":35.32,"longitude":-99.16},{"id":"iem_G_35.480_-98.480_1778372400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372400000,"latitude":35.48,"longitude":-98.48},{"id":"iem_H_35.170_-98.920_1778373420000","source":"iem","severity":"low","severityValue":25,"timestamp":1778373420000,"latitude":35.17,"longitude":-98.92},{"id":"iem_H_35.100_-98.750_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.75},{"id":"iem_D_34.720_-98.280_1778379480000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379480000,"latitude":34.72,"longitude":-98.28},{"id":"iem_H_34.830_-98.380_1778378880000","source":"iem","severity":"low","severityValue":25,"timestamp":1778378880000,"latitude":34.83,"longitude":-98.38},{"id":"iem_G_35.510_-98.780_1778371200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778371200000,"latitude":35.51,"longitude":-98.78},{"id":"iem_G_35.510_-98.780_1778375100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375100000,"latitude":35.51,"longitude":-98.78},{"id":"iem_D_34.650_-98.190_1778380500000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380500000,"latitude":34.65,"longitude":-98.19},{"id":"iem_H_35.390_-99.120_1778368860000","source":"iem","severity":"low","severityValue":25,"timestamp":1778368860000,"latitude":35.39,"longitude":-99.12},{"id":"iem_H_34.790_-98.350_1778379000000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379000000,"latitude":34.79,"longitude":-98.35},{"id":"iem_G_35.510_-98.780_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.51,"longitude":-98.78},{"id":"iem_G_34.660_-98.170_1778380560000","source":"iem","severity":"low","severityValue":25,"timestamp":1778380560000,"latitude":34.66,"longitude":-98.17},{"id":"iem_H_35.300_-98.990_1778372220000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372220000,"latitude":35.3,"longitude":-98.99},{"id":"iem_H_35.290_-99.190_1778371200000","source":"iem","severity":"low","severityValue":25,"timestamp":1778371200000,"latitude":35.29,"longitude":-99.19},{"id":"iem_H_35.290_-98.990_1778372100000","source":"iem","severity":"low","severityValue":25,"timestamp":1778372100000,"latitude":35.29,"longitude":-98.99},{"id":"iem_H_35.100_-98.760_1778375400000","source":"iem","severity":"low","severityValue":25,"timestamp":1778375400000,"latitude":35.1,"longitude":-98.76},{"id":"iem_H_35.370_-98.980_1778370180000","source":"iem","severity":"low","severityValue":25,"timestamp":1778370180000,"latitude":35.37,"longitude":-98.98},{"id":"iem_H_35.350_-99.180_1778368620000","source":"iem","severity":"low","severityValue":25,"timestamp":1778368620000,"latitude":35.35,"longitude":-99.18},{"id":"iem_H_34.790_-98.280_1778379300000","source":"iem","severity":"low","severityValue":25,"timestamp":1778379300000,"latitude":34.79,"longitude":-98.28}]

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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