Calamity
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MediumSevere WeatherCS: 43 · v1

Severe Weather near Dover

KentUnited StatesSPC

Right now

Nothing else has been detected within 20 km in the last 24 hours.

Distance and hazards
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Reported by SPC 201 days ago.

It is the 6th strongest of the 150 detections recorded within 20 km of this point since 11 March 2026. Another comparable one was recorded here earlier the same day. 20 more were recorded here in the fortnight before it.

What the source measured

SPC reported: Wind UNK kt near 2 WSW Woodland Beach, Kent, DE. Wires down around Hay Point Landing Road and Hawkey Branch Road. Time estimated from radar. (PHI)

Urban PEI: 371,844 within a heuristic 50 km radius; not unique people.

Nearby, since 11 March 2026

How we know

2 recorded sources include SPC; independence is not established by this count.

Our own score for this event is 43 out of 100.

This is our versioned heuristic index, not source severity or a calibrated probability. Urban PEI does not count unique people.

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

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.

Event data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)43 / 100
Legacy data-support index0.78/1
Coordinates39.3200, -75.5100
Nearest cityDover (18 km)
Urban exposure index (PEI)371.8K within 50 km
Impact tiersignificant
Timestamp2026-03-17T02:48:00.000Z
Sourcehttps://www.spc.noaa.gov/climo/reports/today.html
LicenceUS public domain · NOAA Storm Prediction Center

Physical priority index · v1. Heuristic priority, not calibrated probability, predictive accuracy or damage. The legacy data-support index combines assigned source support and field availability. Urban PEI is distance-weighted and does not count unique people; zero does not establish that nobody is present. Model cards.

Source and revision timeline

Source: spc. Occurrence: 2026-03-17T02:48:00.000Z.

First archived: 2026-03-17T08:15:06.224Z. Material modification: not recorded.

Retained revisions are prospective; earlier versions may be unavailable. No revision entry does not prove that a record never changed.

Score breakdown

35
intensity
70
Urban PEI term
0
Scenario weight
80
Recorded reference / batch anomaly

Technical details

ReportTypewind
SpeedUNK
Location2 WSW Woodland Beach
CountyKent
StateDE
CommentsWires down around Hay Point Landing Road and Hawkey Branch Road. Time estimated from radar. (PHI)
Iem TypeSummaryD
Iem City2 WSW Woodland Beach
Iem CountyKent
Iem StateDE
Iem WfoPHI
Iem RemarkWires down around Hay Point Landing Road and Hawkey Branch Road. Time estimated from radar.
MergedSources[{"id":"iem_D_39.320_-75.510_1773715680000","source":"iem","severity":"low","severityValue":25,"timestamp":1773715680000,"latitude":39.32,"longitude":-75.51}]

Safety information

What to do in a thunderstorm

Three things first, then what to do before, during and after. From the US National Weather Service.

For this reportSevere Weather · Dover

  1. When thunder roars, go indoors

    If you can hear thunder, lightning can reach you. Go into a closed building or a hard-topped car with the windows shut.

    NWS

  2. Nowhere is safe outdoors

    Not under a tree, not in a tent or a shelter open at the sides. Get away from water and high ground.

    NWS

  3. Wait 30 minutes

    Go back out only 30 minutes after the last thunder.

    NWS

Before, during, after. Here it is “after”.

Before · When storms are forecast

  • Check the forecast

    Before going out, especially to mountains, the sea or open fields.

  • Know where to shelter

    A closed building or a car you can reach quickly.

National Weather Service

During · While it storms

  • Keep off water and plumbing

    No baths or showers, no washing up.

  • Away from windows

    And from doors and corded phones.

  • Flash floods

    Never drive or walk into a flooded road.

National Weather Service

After · When it has passed

  • Thirty minutes

    After the last thunder, not the last rain.

  • Fallen lines

    Keep away from power lines and anything touching them.

National Weather Service

If a life is in danger

911

Emergency number: United States

Call 911

Questions people ask

Is a car safe in a thunderstorm?

A hard-topped car with the windows closed is: the metal shell carries the current around you. Convertibles, bicycles and motorbikes are not. Source: US National Weather Service.

How long should I wait to go back out?

Thirty minutes after the last thunder you hear. Source: US National Weather Service.

Is it safe under a tree?

No. It is one of the most dangerous places in a storm. Source: US National Weather Service.

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