Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather in United States

WalkerUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 6 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 1 June 2026 at 19:45 UTC. It is kept here as a record.

It is the 2nd strongest of the 59 detections recorded within 20 km of this point since 16 March 2026. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued June 1 at 2:12PM CDT until June 1 at 2:45PM CDT by NWS Huntsville AL

An estimated 212,067 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 43 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)43 / 100
Our confidence80%
Coordinates33.7953, -87.2210
Nearest CityHueytown (44 km)
Population Exposed212.1K within 50 km
Impact Tiersignificant
Timestamp2026-06-01T19:12:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.59d859ee83dc776da244333eae9d65f1

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescDeKalb, AL; Marshall, AL; Walker, AL; Blount, AL; Etowah, AL and 4 more areas
HeadlineSevere Thunderstorm Warning issued June 1 at 2:12PM CDT until June 1 at 2:45PM CDT by NWS Huntsville AL
Expires2026-06-01T14:45:00-05:00
SenderNameNWS Huntsville AL
HasExactCoordstrue
MergedCount8
MergedIds["noaa_urn:oid:2.49.0.1.840.0.59d859ee83dc776da244333eae9d65f1f21b9ced.001.1","noaa_urn:oid:2.49.0.1.840.0.1602872e8301afc2deb0281b12b27a8cbab59bdc.001.1","noaa_urn:oid:2.49.0.1.840.0.7e31466988a33270862096d673015baa384456de.001.1","noaa_urn:oid:2.49.0.1.840.0.d09753516154f1491159129e2aad7aea60c9444f.001.1","noaa_urn:oid:2.49.0.1.840.0.1ea5502584a6c1512262f35bdd0857610218643c.001.1","noaa_urn:oid:2.49.0.1.840.0.3abbbb172a77cbfcaa4a5c2f04f1066b0a909e08.002.1","noaa_urn:oid:2.49.0.1.840.0.37e0e54adf4fc297d43aa5d11f5358a8fe96b0a1.001.1","noaa_urn:oid:2.49.0.1.840.0.c1c497128dca6e1baf739ce6dbe1f20de1c0cd7d.001.1"]

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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