Calamity
MediumSevere WeatherCalamity Score: 52

Severe Weather near Jollyville

TravisUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 31 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 20 May 2026 at 03:30 UTC. It is kept here as a record.

It is the 3rd strongest of the 41 detections recorded within 20 km of this point since 30 April 2026. Another comparable one was recorded here earlier the same day. 8 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 19 at 9:51PM CDT until May 19 at 10:30PM CDT by NWS Austin/San Antonio TX

An estimated 1,485,881 people live within 50 km of this point.

Nearby, since 30 April 2026

How we know

Confirmed by 5 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%
Coordinates30.4087, -97.9046
Nearest CityJollyville (12 km)
Population Exposed1.5M within 50 km
Impact Tiersignificant
Timestamp2026-05-20T02:51:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.28ce78970af04be43a07f23a7b14924d

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescBastrop, TX; Caldwell, TX; Comal, TX; Gonzales, TX; Guadalupe, TX; Hays, TX; Travis, TX; Blanco, TX; Comal, TX; Hays, TX; Travis, TX; Williamson, TX; Williamson, TX and 2 more areas
HeadlineSevere Thunderstorm Warning issued May 19 at 9:51PM CDT until May 19 at 10:30PM CDT by NWS Austin/San Antonio TX
Expires2026-05-19T22:30:00-05:00
SenderNameNWS Austin/San Antonio TX
HasExactCoordstrue
MergedCount5
MergedIds["noaa_urn:oid:2.49.0.1.840.0.28ce78970af04be43a07f23a7b14924dc31eaf63.001.1","noaa_urn:oid:2.49.0.1.840.0.437a0b5d6e186345bc9bcdf836897ba060f6679f.002.1","noaa_urn:oid:2.49.0.1.840.0.b2483845c77f43c752f108a9b3c718fc1cbf0acb.001.1","noaa_urn:oid:2.49.0.1.840.0.0ba44b755bf4d3e22eec221908102874b1fe1ffe.001.1","noaa_urn:oid:2.49.0.1.840.0.01f414c5acca364704aa985151b0a949d022ec0d.001.1"]
Iem TypeSummaryE
Iem City4 SW Buchanan Lake Vill
Iem CountyLlano
Iem StateTX
Iem WfoEWX
Iem RemarkEM relayed fir department report of flooding over several parts of FM 2241 near Bluffton.
Google News RssFeedweather
Google News SourceNameAustin American-Statesman
MergedSources[{"id":"iem_G_30.230_-97.870_1779242700000","source":"iem","severity":"low","severityValue":25,"timestamp":1779242700000,"latitude":30.23,"longitude":-97.87},{"id":"iem_E_30.820_-98.490_1779242880000","source":"iem","severity":"low","severityValue":25,"timestamp":1779242880000,"latitude":30.82,"longitude":-98.49},{"id":"gnews_weather_494231_165","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779233507000,"latitude":30.27,"longitude":-97.74},{"id":"gnews_weather_494232_198","source":"google_news","severity":"medium","severityValue":40,"timestamp":1779236095000,"latitude":30.27,"longitude":-97.74}]

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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