Calamity
MediumSevere WeatherCalamity Score: 28

Severe Weather in United States

JasperUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 3 minutes 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 12 September 2026, 01:00 UTC.

It is the 4th strongest of the 18 detections recorded within 20 km of this point since 25 April 2026. The last comparable one was on 21 August 2026.

What the source measured

NOAA reported: Flash Flood Warning issued September 11 at 6:07PM CDT until September 11 at 8:00PM CDT by NWS Jackson MS

An estimated 18,837 people live within 50 km of this point.

Nearby, since 25 April 2026

How we know

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

Our own score for this event is 28 out of 100, at 81 % 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)28 / 100
Our confidence81%
Coordinates31.9689, -89.1524
Nearest CityLaurel (31 km)
Population Exposed18.8K within 50 km
Impact Tiersignificant
Timestamp2026-09-11T23:07:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.fb75087ab2c130bd97e2c31b22a30e79c360f833.001.1

Score Breakdown

35
intensity
40
population
0
cascading
18
historical

Technical Details

EventFlash Flood Warning
UrgencyImmediate
CertaintyLikely
AreaDescClarke, MS; Smith, MS
HeadlineFlash Flood Warning issued September 11 at 6:07PM CDT until September 11 at 8:00PM CDT by NWS Jackson MS
Expires2026-09-11T20:00:00-05:00
SenderNameNWS Jackson MS
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.fb75087ab2c130bd97e2c31b22a30e79c360f833.001.1","noaa_urn:oid:2.49.0.1.840.0.cdbbc4b0b9148868ef8d3a7209499e0eb4ace678.001.1"]

Safety Information

During flooding: never walk, swim, or drive through floodwaters. Six inches of moving water can knock you down, and one foot of water can sweep away a vehicle. Move to higher ground if waters rise. After flooding, avoid contact with floodwater which may contain sewage, chemicals, or debris. Follow local emergency service guidance.

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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