mediumSevere weatherCalamity Score: 52

Severe weather near Delaware

11 August 2026 · 18:32 UTCMorrow United StatesNOAA

This alert expired on 11 August 2026 at 21:00 UTC. It is kept here as a record.

It is the 2nd strongest of the 103 detections recorded within 20 km of this point since 27 March 2026. Another comparable one was recorded here earlier the same day. 32 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Severe Thunderstorm Watch issued August 11 at 2:32PM EDT until August 11 at 5:00PM EDT by NWS Northern Indiana

An estimated 1,247,659 people live within 50 km of this point.

Nearby, since 27 March 2026

August 10, 2026 · score 52 · 0.0 km
August 9, 2026 · score 52 · 0.0 km
July 21, 2026 · score 46 · 0.0 km

How we know

Confirmed by 23 independent sources, including NOAA.

Our own score for this event is 52 out of 100, at 91 % confidence.

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

Event Data

Type	Severe weather
Severity	medium
Calamity Score (ours)	52 / 100
Our confidence	91%
Coordinates	40.4000, -82.9000
Nearest City	Delaware (18 km)
Population Exposed	1.2M within 50 km
Impact Tier	significant
Timestamp	2026-08-11T18:32:00.000Z
Source	https://api.weather.gov/alerts/merged_Severe Thunderstorm Watch_noaa_urn:oid:2.49.0.1.840.0.c6028570c807e29bb67c5f0f05fc885e

Score Breakdown

intensity

100

population

cascading

historical

Technical Details

Event	Severe Thunderstorm Watch
Urgency	Future
Certainty	Possible
AreaDesc	Allen, OH; Defiance, OH; Fulton, OH; Henry, OH; Paulding, OH; Putnam, OH; Van Wert, OH; Williams, OH; Crawford, OH; Hancock, OH; Knox, OH; Marion, OH; Morrow, OH; Wyandot, OH
Headline	Severe Thunderstorm Watch issued August 11 at 2:32PM EDT until August 11 at 5:00PM EDT by NWS Northern Indiana
Expires	2026-08-11T17:00:00-04:00
SenderName	NWS Northern Indiana
HasExactCoords	false
MergedCount	2
MergedIds	["noaa_urn:oid:2.49.0.1.840.0.c6028570c807e29bb67c5f0f05fc885e144586ce.002.1","noaa_urn:oid:2.49.0.1.840.0.c50c0447f199d5b9f4b10da786b196f50a767774.001.1"]
Iem TypeSummary	D
Iem City	1 E Hilliard
Iem County	Franklin
Iem State	OH
Iem Wfo	ILN
Iem Remark	Large tree downed along 4000 block of Leap Road. Time estimated by radar.
Google News RssFeed	weather
Google News SourceName	The Columbus Dispatch
MergedSources	[{"id":"iem_D_39.920_-82.710_1786458240000","source":"iem","severity":"low","severityValue":25,"timestamp":1786458240000,"latitude":39.92,"longitude":-82.71},{"id":"iem_D_40.050_-83.110_1786456680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456680000,"latitude":40.05,"longitude":-83.11},{"id":"iem_D_39.930_-82.900_1786457280000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457280000,"latitude":39.93,"longitude":-82.9},{"id":"iem_D_39.920_-82.880_1786457280000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457280000,"latitude":39.92,"longitude":-82.88},{"id":"iem_D_39.950_-82.810_1786457880000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457880000,"latitude":39.95,"longitude":-82.81},{"id":"iem_G_40.000_-82.880_1786458180000","source":"iem","severity":"low","severityValue":25,"timestamp":1786458180000,"latitude":40,"longitude":-82.88},{"id":"iem_D_39.960_-83.490_1786455720000","source":"iem","severity":"low","severityValue":25,"timestamp":1786455720000,"latitude":39.96,"longitude":-83.49},{"id":"iem_G_40.040_-83.140_1786457100000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457100000,"latitude":40.04,"longitude":-83.14},{"id":"iem_R_40.300_-82.110_1786467600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786467600000,"latitude":40.3,"longitude":-82.11},{"id":"iem_D_40.040_-83.070_1786456920000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456920000,"latitude":40.04,"longitude":-83.07},{"id":"iem_D_40.030_-83.160_1786456500000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456500000,"latitude":40.03,"longitude":-83.16},{"id":"iem_D_40.080_-83.130_1786456680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456680000,"latitude":40.08,"longitude":-83.13},{"id":"iem_D_40.020_-83.060_1786457040000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457040000,"latitude":40.02,"longitude":-83.06},{"id":"iem_D_40.020_-83.030_1786456980000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456980000,"latitude":40.02,"longitude":-83.03},{"id":"iem_D_40.090_-83.070_1786456920000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456920000,"latitude":40.09,"longitude":-83.07},{"id":"iem_D_39.970_-82.950_1786457400000","source":"iem","severity":"low","severityValue":25,"timestamp":1786457400000,"latitude":39.97,"longitude":-82.95},{"id":"iem_G_39.990_-82.880_1786458300000","source":"iem","severity":"low","severityValue":25,"timestamp":1786458300000,"latitude":39.99,"longitude":-82.88},{"id":"iem_D_40.090_-83.120_1786456800000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456800000,"latitude":40.09,"longitude":-83.12},{"id":"iem_D_40.020_-83.060_1786456920000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456920000,"latitude":40.02,"longitude":-83.06},{"id":"iem_D_40.040_-83.140_1786456680000","source":"iem","severity":"low","severityValue":25,"timestamp":1786456680000,"latitude":40.04,"longitude":-83.14},{"id":"gnews_weather_496239_238","source":"google_news","severity":"medium","severityValue":40,"timestamp":1786463303000,"latitude":39.96,"longitude":-83},{"id":"gnews_weather_496242_245","source":"google_news","severity":"medium","severityValue":40,"timestamp":1786474320000,"latitude":39.96,"longitude":-83}]

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 52/100, near Delaware (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.