Calamity
MediumSevere WeatherCalamity Score: 52

Severe Weather in United States

AtascosaUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 2 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 27 May 2026 at 02:45 UTC. It is kept here as a record.

No stronger detection stands among the 13 recorded within 20 km of this point since 27 May 2026 — 10 others scored the same.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 26 at 8:47PM CDT until May 26 at 9:45PM CDT by NWS Austin/San Antonio TX

An estimated 1,526,656 people live within 50 km of this point.

Nearby, since 27 May 2026

How we know

Confirmed by 6 independent sources, including NOAA.

Our own score for this event is 52 out of 100, at 90 % 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)52 / 100
Our confidence90%
Coordinates29.1036, -98.7529
Nearest CitySan Antonio (43 km)
Population Exposed1.5M within 50 km
Impact Tiersignificant
Timestamp2026-05-27T01:47:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.8e8e88ac07dd96bda2e02ad2f2e5674c

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBandera, TX; Bexar, TX; Comal, TX; Kendall, TX; Kerr, TX; Atascosa, TX; Bexar, TX; Frio, TX; Medina, TX; La Salle, TX; McMullen, TX
HeadlineSevere Thunderstorm Warning issued May 26 at 8:47PM CDT until May 26 at 9:45PM CDT by NWS Austin/San Antonio TX
Expires2026-05-26T21:45:00-05:00
SenderNameNWS Austin/San Antonio TX
HasExactCoordstrue
MergedCount3
MergedIds["noaa_urn:oid:2.49.0.1.840.0.8e8e88ac07dd96bda2e02ad2f2e5674c54dc6829.001.1","noaa_urn:oid:2.49.0.1.840.0.990492cf434d0072d4070e70cbe1839d3b5c62c5.001.1","noaa_urn:oid:2.49.0.1.840.0.e63f98e443002f587ce5e103c9c121f0590dd08c.001.1"]
Iem TypeSummaryD
Iem CitySabinal
Iem CountyUvalde
Iem StateTX
Iem WfoEWX
Iem RemarkA large tree was blown down and partly blocking Barnard Avenue in Sabinal.
MergedSources[{"id":"iem_G_28.900_-98.990_1779832800000","source":"iem","severity":"low","severityValue":25,"timestamp":1779832800000,"latitude":28.9,"longitude":-98.99},{"id":"iem_H_28.890_-98.650_1779842520000","source":"iem","severity":"low","severityValue":25,"timestamp":1779842520000,"latitude":28.89,"longitude":-98.65},{"id":"iem_H_28.780_-98.970_1779834300000","source":"iem","severity":"low","severityValue":25,"timestamp":1779834300000,"latitude":28.78,"longitude":-98.97},{"id":"iem_H_28.890_-99.090_1779830100000","source":"iem","severity":"low","severityValue":25,"timestamp":1779830100000,"latitude":28.89,"longitude":-99.09},{"id":"iem_D_29.320_-99.470_1779844980000","source":"iem","severity":"low","severityValue":25,"timestamp":1779844980000,"latitude":29.32,"longitude":-99.47}]

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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