Right now
The most recent data we hold from NOAA arrived 12 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 1 July 2026 at 03:45 UTC. It is kept here as a record.
No stronger detection stands among the 34 recorded within 20 km of this point since 27 April 2026 — 5 others scored the same. Another comparable one was recorded here earlier the same day. 5 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 30 at 9:11PM MDT until June 30 at 9:45PM MDT by NWS North Platte NE
How we know
Confirmed by 5 independent sources, including NOAA.
Our own score for this event is 22 out of 100, at 71 % 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
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 71% |
| Coordinates | 41.0945, -102.1699 |
| Nearest City | North Platte (117 km) |
| Impact Tier | minor |
| Timestamp | 2026-07-01T03:11:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c877a1ffc3bbe6c21f76fc8684a19145 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Deuel, NE; Garden, NE; Keith, NE; Perkins, NE; Sedgwick, CO |
| Headline | Severe Thunderstorm Warning issued June 30 at 9:11PM MDT until June 30 at 9:45PM MDT by NWS North Platte NE |
| Expires | 2026-06-30T21:45:00-06:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c877a1ffc3bbe6c21f76fc8684a19145a7441b51.001.1","noaa_urn:oid:2.49.0.1.840.0.2680a3500ee9d66e647d1b2dcecf6476e4c24c37.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 7 ESE Lorenzo |
| Iem County | Cheyenne |
| Iem State | NE |
| Iem Wfo | CYS |
| Iem Remark | Trained spotter reported 1 inch diameter hail about 7 miles east-southeast of Lorenzo. Other reports of dime sized hail occurred further to the north. |
| MergedSources | [{"id":"iem_H_40.990_-102.920_1782872460000","source":"iem","severity":"low","severityValue":25,"timestamp":1782872460000,"latitude":40.99,"longitude":-102.92},{"id":"iem_G_40.990_-102.360_1782875040000","source":"iem","severity":"low","severityValue":25,"timestamp":1782875040000,"latitude":40.99,"longitude":-102.36},{"id":"iem_H_40.820_-102.810_1782872160000","source":"iem","severity":"low","severityValue":25,"timestamp":1782872160000,"latitude":40.82,"longitude":-102.81},{"id":"iem_H_41.010_-102.920_1782872460000","source":"iem","severity":"low","severityValue":25,"timestamp":1782872460000,"latitude":41.01,"longitude":-102.92}] |
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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