MediumSevere WeatherCS: 28 · v5

Severe Weather near Longview

ColumbiaUnited StatesIEM

Right now

The most recent data we hold from IEM arrived 54 minutes ago, and this point is in it.

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

Reported by IEM today.

It is the only one we have recorded within 20 km of this point since 25 September 2026.

What the source measured

IEM reported: Wind gusts of 58 mph or higher began at 812 am.

Urban PEI: 36,848 within a heuristic 50 km radius; not unique people.

How we know

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

Our own score for this event is 28 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

Computed under scoring rules v5. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)28 / 100
Legacy data-support index0.58/1
Coordinates46.0200, -123.2700
Nearest CityLongview (29 km)
Urban exposure index (PEI)36.8K within 50 km
Impact Tiersignificant
Timestamp2026-09-25T15:12:00.000Z
Sourcehttps://mesonet.agron.iastate.edu/lsr/

Physical priority index · v5. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: iem. Occurrence: 2026-09-25T15:12:00.000Z.

First archived: 2026-09-25T18:41:47.424Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

  1. 2026-09-25T21:18:27.904Z · data_change

    Index 28 → 28; severity medium → medium; version 5 → 5.

  2. 2026-09-25T19:03:46.519Z · data_change

    Index 28 → 28; severity medium → medium; version 5 → 5.

Score Breakdown

35
intensity
40
Urban PEI term
0
Scenario weight
18
Recorded reference / batch anomaly

Technical Details

TypeSummaryWind gust
LsrCodeN
LsrTypeNON-TSTM WND GST
Magnitude70
UnitMPH
City2 NW Mist
CountyColumbia
StateOR
WfoPQR
RemarkWind gusts of 58 mph or higher began at 812 am.

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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