Calamity
MediumSevere WeatherCalamity Score: 43

Severe Weather near Clarksville

MontgomeryUnited StatesNOAA

Right now

The most recent data we hold from NOAA arrived 13 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

5 other detections within 20 km in the last 24 hours, the nearest 14 km from here.

This alert expired on 4 July 2026 at 06:00 UTC. It is kept here as a record.

It is the 2nd strongest of the 19 detections recorded within 20 km of this point since 16 April 2026. The last comparable one was on 2 July 2026. 7 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Flash Flood Warning issued July 3 at 6:51PM CDT until July 4 at 1:00AM CDT by NWS Paducah KY

An estimated 182,081 people live within 50 km of this point.

Nearby, since 16 April 2026

How we know

Confirmed by 3 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.

Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)43 / 100
Our confidence90%
Coordinates36.3756, -87.5148
Nearest CityClarksville (22 km)
Population Exposed182.1K within 50 km
Impact Tiersignificant
Timestamp2026-07-03T23:51:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Flash Flood Warning_noaa_urn:oid:2.49.0.1.840.0.172715cb29afc54db91bd3effd311fe7

Score Breakdown

35
intensity
70
population
0
cascading
80
historical

Technical Details

EventFlash Flood Warning
UrgencyImmediate
CertaintyLikely
AreaDescCalloway, KY; Davidson, TN
HeadlineFlash Flood Warning issued July 3 at 6:51PM CDT until July 4 at 1:00AM CDT by NWS Paducah KY
Expires2026-07-04T01:00:00-05:00
SenderNameNWS Paducah KY
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.172715cb29afc54db91bd3effd311fe71a4668f3.001.1","noaa_urn:oid:2.49.0.1.840.0.41fba03284410e474049135a5f1989241d90aa83.001.1"]
Iem TypeSummaryD
Iem CityAdairville
Iem CountyLogan
Iem StateKY
Iem WfoLMK
Iem RemarkReports of trees down in Adairville by dispatch.
MergedSources[{"id":"iem_D_35.840_-87.430_1783107360000","source":"iem","severity":"low","severityValue":25,"timestamp":1783107360000,"latitude":35.84,"longitude":-87.43},{"id":"iem_D_36.670_-86.850_1783102080000","source":"iem","severity":"low","severityValue":25,"timestamp":1783102080000,"latitude":36.67,"longitude":-86.85}]

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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