Right now
The most recent data we hold from NOAA arrived 2 hours 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 30 June 2026 at 23:00 UTC. It is kept here as a record.
It is the 5th strongest of the 34 detections recorded within 20 km of this point since 7 April 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 30 at 6:50PM EDT until June 30 at 7:00PM EDT by NWS Albany NY
Urban PEI: 815,931 within a heuristic 50 km radius; not unique people.
Nearby, since 7 April 2026
- June 30, 2026 · score 48 · 6.9 km
- June 30, 2026 · score 48 · 9.5 km
- June 30, 2026 · score 52 · 11.4 km
How we know
4 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 48 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 48 / 100 |
| Legacy data-support index | 0.89/1 |
| Coordinates | 42.1083, -73.0974 |
| Nearest City | Westfield (29 km) |
| Urban exposure index (PEI) | 815.9K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-06-30T22:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.95d49107326c99772671fdae2f0f317d |
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: 2026-06-30T22:50:00.000Z.
First archived: 2026-06-30T22:52:51.209Z. 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
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Litchfield, CT; Berkshire, MA; Hartford, CT; Franklin, MA; Hampden, MA; Hampshire, MA |
| Headline | Severe Thunderstorm Warning issued June 30 at 6:50PM EDT until June 30 at 7:00PM EDT by NWS Albany NY |
| Expires | 2026-06-30T19:00:00-04:00 |
| SenderName | NWS Albany NY |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.95d49107326c99772671fdae2f0f317de2296bd5.001.1","noaa_urn:oid:2.49.0.1.840.0.5cdb463e81600f8ffda3cf0d202ce20ee88a0560.001.1"] |
| Iem TypeSummary | D |
| Iem City | 2 NE Averill Park |
| Iem County | Rensselaer |
| Iem State | NY |
| Iem Wfo | ALY |
| Iem Remark | Report of tree down on wires on Oak Hill Rd in Poestenkill. |
| MergedSources | [{"id":"iem_D_42.460_-73.870_1782854580000","source":"iem","severity":"low","severityValue":25,"timestamp":1782854580000,"latitude":42.46,"longitude":-73.87},{"id":"iem_D_42.510_-73.240_1782855600000","source":"iem","severity":"low","severityValue":25,"timestamp":1782855600000,"latitude":42.51,"longitude":-73.24},{"id":"iem_D_42.660_-73.530_1782853800000","source":"iem","severity":"low","severityValue":25,"timestamp":1782853800000,"latitude":42.66,"longitude":-73.53}] |
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.
Review the area, threshold and delivery channel in your account.
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