Calamity
MediumSevere WeatherCS: 16 · v1

Severe Weather in United States

United StatesNOAA

Right now

The most recent data we hold from NOAA arrived 5 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.

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

This alert expired on 6 July 2026 at 22:15 UTC. It is kept here as a record.

It is the 24th strongest of the 39 detections recorded within 20 km of this point since 5 April 2026. The last comparable one was on 27 June 2026. 4 more were recorded here in the fortnight before it.

What the source measured

NOAA reported: Special Marine Warning issued July 6 at 5:07PM EDT until July 6 at 6:15PM EDT by NWS Wakefield VA

Nearby, since 5 April 2026

How we know

5 recorded sources include NOAA; independence is not established by this count.

Our own score for this event is 16 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.

Event Data

TypeSevere Weather
SeverityMedium
Calamity Score (ours)16 / 100
Legacy data-support index0.69/1
Coordinates35.8398, -75.9401
Nearest CityElizabeth City (57 km)
Urban exposure index (PEI)0 within 50 km
Impact Tierminor
Timestamp2026-07-06T21:07:00.000Z
Sourcehttps://api.weather.gov/alerts/merged_Special Marine Warning_noaa_urn:oid:2.49.0.1.840.0.7ca10dbb75931241d180ba12d39f2da5

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: noaa. Occurrence: 2026-07-06T21:07:00.000Z.

First archived: 2026-07-06T21:32:25.900Z. 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
0
Urban PEI term
0
Scenario weight
18
Recorded reference / batch anomaly

Technical Details

EventSpecial Marine Warning
UrgencyImmediate
CertaintyLikely
AreaDescCurrituck Sound; Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM; Coastal waters from NC VA border to Currituck Beach Light NC out 20 NM; Pamlico Sound; S of Cape Hatteras NC to Ocracoke Inlet NC out to 20 NM; S of Ocracoke Inlet NC to Cape Lookout NC out to 20 NM
HeadlineSpecial Marine Warning issued July 6 at 5:07PM EDT until July 6 at 6:15PM EDT by NWS Wakefield VA
Expires2026-07-06T18:15:00-04:00
SenderNameNWS Wakefield VA
HasExactCoordstrue
MergedCount2
MergedIds["noaa_urn:oid:2.49.0.1.840.0.7ca10dbb75931241d180ba12d39f2da56065704d.001.1","noaa_urn:oid:2.49.0.1.840.0.b20988f28cb09614d4eccd71beab83ca416b86fa.001.1"]
Iem TypeSummaryH
Iem Magnitude1
Iem UnitInch
Iem City1 W Roanoke Island Fest
Iem CountyDare
Iem StateNC
Iem WfoMHX
Iem RemarkVideo of hail up to quarter size sent in via social media. Time estimated based on radar.
MergedSources[{"id":"iem_D_35.910_-75.690_1783365900000","source":"iem","severity":"low","severityValue":25,"timestamp":1783365900000,"latitude":35.91,"longitude":-75.69},{"id":"iem_M_35.910_-75.640_1783365000000","source":"iem","severity":"low","severityValue":25,"timestamp":1783365000000,"latitude":35.91,"longitude":-75.64},{"id":"iem_M_35.870_-75.670_1783367640000","source":"iem","severity":"low","severityValue":25,"timestamp":1783367640000,"latitude":35.87,"longitude":-75.67},{"id":"iem_H_35.910_-75.680_1783365060000","source":"iem","severity":"low","severityValue":25,"timestamp":1783365060000,"latitude":35.91,"longitude":-75.68}]

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 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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