Calamity
mediumSevere weatherCalamity Score: 43

Severe weather in United States

FranklinUnited StatesNOAA

This alert expired on 19 May 2026 at 03:04 UTC. It is kept here as a record.

It is the 5th strongest of the 56 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Warning issued May 18 at 9:54PM CDT until May 18 at 10:00PM CDT by NWS Topeka KS

An estimated 249,090 people live within 50 km of this point.

Nearby, since 15 March 2026

How we know

Confirmed by 21 independent sources, including NOAA.

Our own score for this event is 43 out of 100, at 90 % confidence.

The score is ours, computed from intensity, exposed population and local history — not the source’s.

Event Data

TypeSevere weather
Severitymedium
Calamity Score (ours)43 / 100
Our confidence90%
Coordinates38.6650, -95.3020
Nearest CityLawrence (34 km)
Population Exposed249.1K within 50 km
Impact Tiersignificant
Timestamp2026-05-19T02:54:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.7252306691b6f8ed82e730a93bfa058f

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventSevere Thunderstorm Warning
UrgencyImmediate
CertaintyObserved
AreaDescCoffey, KS; Lyon, KS; Caldwell, MO; Cass, MO; Clay, MO; Clinton, MO; Jackson, MO; Ray, MO; Chase, KS; Greenwood, KS and 6 more areas
HeadlineSevere Thunderstorm Warning issued May 18 at 9:54PM CDT until May 18 at 10:00PM CDT by NWS Topeka KS
Expires2026-05-18T22:04:00-05:00
SenderNameNWS Topeka KS
HasExactCoordstrue
MergedCount9
MergedIds["noaa_urn:oid:2.49.0.1.840.0.7252306691b6f8ed82e730a93bfa058f5a028577.001.1","noaa_urn:oid:2.49.0.1.840.0.ec2dd6717e428c5df1694702a02efad8ecb0bfa5.002.1","noaa_urn:oid:2.49.0.1.840.0.bde7ef58c3e89eac32b440aa122aa46f7bdb85a7.001.1","noaa_urn:oid:2.49.0.1.840.0.3b110f9759136a053dac39e6e5d7ddd8a6457bf6.001.1","noaa_urn:oid:2.49.0.1.840.0.dfe5d6a5cbb254b3a85525f8d10eb4edec936aab.001.1","noaa_urn:oid:2.49.0.1.840.0.1a9f03a9f1bbcf3965aa87c8bb4c0a8108ff077a.001.1","noaa_urn:oid:2.49.0.1.840.0.0fde112a33484b80c5e2ba03f0492ad9c51069a9.001.1","noaa_urn:oid:2.49.0.1.840.0.ee7e78a40cfe79f2cf4c21ceb293e0bf59274fc9.001.1","noaa_urn:oid:2.49.0.1.840.0.fb1e38ed39aacb32670917bbca56eee8d75b88e6.001.1"]
Iem TypeSummaryG
Iem Magnitude84
Iem UnitMPH
Iem City3 NW Gardner
Iem CountyJohnson
Iem StateKS
Iem WfoEAX
Iem RemarkEM relayed spotter report of 84 mph wind gust.
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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 10 February 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 43/100 (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.