Calamity
MediumSevere WeatherCalamity Score: 16

Severe Weather in United States

AllenUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 7 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 10 September 2026, 15:00 UTC.

It is the 30th strongest of the 83 detections recorded within 20 km of this point since 18 April 2026. The last comparable one was on 7 September 2026. 38 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flood Warning issued September 10 at 6:00AM CDT until September 10 at 10:00AM CDT by NWS Wichita KS

Nearby, since 18 April 2026

How we know

Confirmed by 2 independent sources, including NOAA.

Our own score for this event is 16 out of 100, at 65 % 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 confidence65%
Coordinates37.8525, -95.2488
Nearest CityPittsburg (69 km)
Impact Tierminor
Timestamp2026-09-10T11:00:00.000Z
Sourcehttps://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.068456aa8d7e2ebbb3341fa1eb4b986fd2ee5c3d.001.1

Score Breakdown

35
intensity
0
population
0
cascading
18
historical

Technical Details

EventFlood Warning
UrgencyExpected
CertaintyLikely
AreaDescAllen, KS
HeadlineFlood Warning issued September 10 at 6:00AM CDT until September 10 at 10:00AM CDT by NWS Wichita KS
Expires2026-09-10T10:00:00-05:00
SenderNameNWS Wichita KS
HasExactCoordstrue
Spc ReportTypewind
Spc SpeedUNK
Spc Location2 NNE La Cygne
Spc CountyLinn
Spc StateKS
Spc CommentsMultiple reports of tree limbs and wires down between La Cygne and Linn Valley. Time estimated from radar. (EAX)
MergedSources[{"id":"spc_wind_38.42_-94.91_18","source":"spc","severity":"medium","severityValue":45,"timestamp":1789041512640,"latitude":38.42,"longitude":-94.91},{"id":"spc_wind_38.14_-94.81_24","source":"spc","severity":"medium","severityValue":45,"timestamp":1789041512640,"latitude":38.14,"longitude":-94.81},{"id":"spc_wind_38.07_-94.71_25","source":"spc","severity":"medium","severityValue":45,"timestamp":1789041512640,"latitude":38.07,"longitude":-94.71},{"id":"spc_wind_38.15_-94.66_28","source":"spc","severity":"medium","severityValue":45,"timestamp":1789041512640,"latitude":38.15,"longitude":-94.66},{"id":"spc_wind_38.38_-94.74_29","source":"spc","severity":"medium","severityValue":45,"timestamp":1789041512640,"latitude":38.38,"longitude":-94.74}]

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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