Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

ArmstrongUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 7 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

6 other detections within 20 km in the last 24 hours, the nearest 18 km from here.

This alert expired on 13 September 2026 at 03:30 UTC. It is kept here as a record.

It is the 30th strongest of the 37 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued September 12 at 9:37PM CDT until September 12 at 10:30PM CDT by NWS Amarillo TX

Nearby, since 15 March 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 16 out of 100, at 66 % 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)16 / 100
Our confidence66%
Coordinates35.0500, -101.1920
Nearest CityPampa (58 km)
Impact Tierminor
Timestamp2026-09-13T02:37:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.50ff41b52f290e1ea19dec2b91729b3803a74a18.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescArmstrong, TX; Carson, TX; Donley, TX; Gray, TX
HeadlineSevere Thunderstorm Warning issued September 12 at 9:37PM CDT until September 12 at 10:30PM CDT by NWS Amarillo TX
Expires2026-09-12T22:30:00-05:00
SenderNameNWS Amarillo TX
HasExactCoordstrue
Spc ReportTypewind
Spc Speed63
Spc Location1 W Claude
Spc CountyArmstrong
Spc StateTX
Spc Comments(AMA)
MergedSources[{"id":"spc_wind_35.10_-101.38_40","source":"spc","severity":"medium","severityValue":45,"timestamp":1789266000000,"latitude":35.1,"longitude":-101.38}]

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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