Calamity
MediumSevere WeatherCalamity Score: 52

Severe Weather near San Marcos

HaysUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 hours ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

One other detection within 20 km in the last 24 hours, 26 km from here.

This alert expired on 3 June 2026 at 02:15 UTC. It is kept here as a record.

No stronger detection stands among the 17 recorded within 20 km of this point since 16 March 2026 — 6 others scored the same. Another comparable one was recorded here earlier the same day. One more was recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 2 at 8:51PM CDT until June 2 at 9:15PM CDT by NWS Austin/San Antonio TX

An estimated 1,340,125 people live within 50 km of this point.

Nearby, since 16 March 2026

How we know

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

Our own score for this event is 52 out of 100, at 80 % 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 confidence80%
Coordinates29.8714, -97.9286
Nearest CitySan Marcos (1 km)
Population Exposed1.3M within 50 km
Impact Tiersignificant
Timestamp2026-06-03T01:51:00.000Z
Sourcehttps://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a3b25810cf8184634612943806f4fc33e3a62e53.001.1

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCaldwell, TX; Guadalupe, TX; Hays, TX
HeadlineSevere Thunderstorm Warning issued June 2 at 8:51PM CDT until June 2 at 9:15PM CDT by NWS Austin/San Antonio TX
Expires2026-06-02T21:15:00-05:00
SenderNameNWS Austin/San Antonio TX
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.

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