Calamity
mediumSevere weatherCalamity Score: 52

Severe weather near Anderson

MadisonUnited StatesNOAA

This alert expired on 12 August 2026 at 19:00 UTC. It is kept here as a record.

No stronger detection stands among the 141 recorded within 20 km of this point since 12 March 2026 — 89 others scored the same. Another comparable one was recorded here earlier the same day. 31 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flash Flood Warning issued August 12 at 1:22PM EDT until August 12 at 3:00PM EDT by NWS Northern Indiana

An estimated 1,423,769 people live within 50 km of this point.

Nearby, since 12 March 2026

How we know

Confirmed by 20 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

TypeSevere weather
Severitymedium
Calamity Score (ours)52 / 100
Our confidence91%
Coordinates39.9599, -85.7180
Nearest CityAnderson (17 km)
Population Exposed1.4M within 50 km
Impact Tiersignificant
Timestamp2026-08-12T17:22:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.b0abfaa7bce86632a79c8bb693b39db2

Score Breakdown

35
intensity
100
population
0
cascading
80
historical

Technical Details

EventFlash Flood Warning
UrgencyImmediate
CertaintyLikely
AreaDescAdams, IN; Blackford, IN; Cass, IN; Fulton, IN; Grant, IN; Huntington, IN; Jay, IN; La Porte, IN; Marshall, IN; Miami, IN; Pulaski, IN; Starke, IN; Wabash, IN; Wells, IN; White, IN; Hendricks, IN; Marion, IN; Boone, IN; Hamilton, IN and 13 more areas
HeadlineFlash Flood Warning issued August 12 at 1:22PM EDT until August 12 at 3:00PM EDT by NWS Northern Indiana
Expires2026-08-12T15:00:00-04:00
SenderNameNWS Northern Indiana
HasExactCoordstrue
MergedCount16
MergedIds["noaa_urn:oid:2.49.0.1.840.0.b0abfaa7bce86632a79c8bb693b39db2d8caf759.001.1","noaa_urn:oid:2.49.0.1.840.0.c8310e14bee8b04df8589d4d0eefeead796c463f.001.1","noaa_urn:oid:2.49.0.1.840.0.7784f0920fa32b7f2c5c1e3f3514b609b6625cf8.001.1","noaa_urn:oid:2.49.0.1.840.0.41d45e4d5e4368dfd9a0e1691c058ea4ab1a3d2c.001.1","noaa_urn:oid:2.49.0.1.840.0.a79ccf7fdd390440fb37ee1b0df9c2478dec27c7.001.1","noaa_urn:oid:2.49.0.1.840.0.a5ee5042b3dd9f1975b788d2cea2df8e3455ce7d.001.1","noaa_urn:oid:2.49.0.1.840.0.5db21eb49d818b6c791b700565ca5e48e79aa67e.001.1","noaa_urn:oid:2.49.0.1.840.0.6c0169b93634813dce64efa1e308044e9973b867.001.1","noaa_urn:oid:2.49.0.1.840.0.b0ee3c705e767721307fbbf1e390d7adb4a30243.001.1","noaa_urn:oid:2.49.0.1.840.0.e72f85a7a39a3c015bea943133776cef83635bf3.001.1","noaa_urn:oid:2.49.0.1.840.0.78bc830e87c19c1a1384bccb73ab9b1d24d16c0c.001.1","noaa_urn:oid:2.49.0.1.840.0.48b1fcbed967b6171a27a396573b365cd7ccd4b4.001.1","noaa_urn:oid:2.49.0.1.840.0.31c51b7a80e8cb7444ecc53176efb33e0d964eb6.001.1","noaa_urn:oid:2.49.0.1.840.0.e188d5b9b9fa7668be7bd1705f84eb6a5cc68ba6.001.1","noaa_urn:oid:2.49.0.1.840.0.d9fdb1d163be8b2d601d78d2a648f4d4b0a83107.001.1","noaa_urn:oid:2.49.0.1.840.0.9ecd868671829d263e6ef8ea7ecf47f8413f5895.001.1"]
Iem TypeSummaryR
Iem Magnitude6
Iem UnitInch
Iem CityMilton
Iem CountyWayne
Iem StateIN
Iem WfoILN
Iem RemarkRain gauge maximum 6 inches has overflowed. Time estimated.
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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 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 Anderson (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 188 scientific monitoring sources.