Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

ShelbyUnited StatesHEAT GOV

Right now

The most recent data we hold from HEAT GOV arrived 2 hours ago, and this point is in it.

Nothing else has been detected within 20 km in the last 24 hours.

This alert is in force until 8 September 2026, 00:00 UTC.

It is the 3rd strongest of the 6 detections recorded within 20 km of this point since 20 June 2026. The last comparable one was on 21 August 2026.

What the source measured

HEAT GOV reported: * WHAT...Heat index values up to 110 expected. * WHERE...Portions of north central and northwest Louisiana and east and northeast Texas. * WHEN...From 10 AM to 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

How we know

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

Our own score for this event is 16 out of 100, at 49 % 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 confidence49%
Coordinates31.6504, -93.9325
Nearest CityNacogdoches (69 km)
Impact Tierminor
Timestamp2026-09-07T15:00:00.000Z
Sourcehttp://www.weather.gov

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventHeat Advisory
UrgencyExpected
CertaintyLikely
Onset2026-09-07T10:00:00-05:00
Expires2026-09-07T19:00:00-05:00
AreaDescDe Soto; Red River; Sabine; Natchitoches; Grant; Cherokee; Rusk; Panola; Nacogdoches; Shelby; Angelina; San Augustine; Sabine
SenderNameNWS Shreveport LA
ZonesUsedForCentroid7
ZoneCount13

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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Calamity.live data shows a weather event with CalamityScore 16/100 (United States), based on data from heat_gov. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.