Right now
The most recent data we hold from NOAA arrived 4 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 16 May 2026 at 23:45 UTC. It is kept here as a record.
It is the 2nd strongest of the 29 detections recorded within 20 km of this point since 27 April 2026. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued May 16 at 6:28PM CDT until May 16 at 6:45PM CDT by NWS North Platte NE
How we know
3 recorded sources include NOAA; independence is not established by this count.
Our own score for this event is 22 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) | 22 / 100 |
| Legacy data-support index | 0.69/1 |
| Coordinates | 40.5327, -100.3539 |
| Nearest City | North Platte (74 km) |
| Urban exposure index (PEI) | 0 within 50 km |
| Impact Tier | minor |
| Timestamp | 2026-05-16T23:28:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.c8de0bb86ba6876723c205d7cb7a7200 |
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: 2026-05-16T23:28:00.000Z.
First archived: 2026-05-16T23:30:14.570Z. 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 | Hayes, NE; Lincoln, NE; Perkins, NE; Dawson, NE; Sherman, KS; Thomas, KS and 13 more areas |
| Headline | Severe Thunderstorm Warning issued May 16 at 6:28PM CDT until May 16 at 6:45PM CDT by NWS North Platte NE |
| Expires | 2026-05-16T18:45:00-05:00 |
| SenderName | NWS North Platte NE |
| HasExactCoords | true |
| MergedCount | 21 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.c8de0bb86ba6876723c205d7cb7a72009fbae0c6.001.1","noaa_urn:oid:2.49.0.1.840.0.7be65beb245ccef8692f08c1eb412d6b4d206836.001.1","noaa_urn:oid:2.49.0.1.840.0.6b7df753fdb315b95bb6e4b81bf085dad6bd408f.001.1","noaa_urn:oid:2.49.0.1.840.0.0b85926f304467a666acf1473213d6cf5bd500b8.001.1","noaa_urn:oid:2.49.0.1.840.0.d350667100d6608bbf1e3fece611f1fedc298927.001.1","noaa_urn:oid:2.49.0.1.840.0.e6dcaf91c2b969e48f23af9cc3d2efa839f769e3.001.1","noaa_urn:oid:2.49.0.1.840.0.0c572b3cfe3b464217dcec6d4382f17fd6f84a0b.001.1","noaa_urn:oid:2.49.0.1.840.0.41cf68257d0203ca51d24de595a79d6facedf930.001.1","noaa_urn:oid:2.49.0.1.840.0.ea79b460f05668431212fb7f6c13a96f17c036af.001.1","noaa_urn:oid:2.49.0.1.840.0.50040df22b2dc3dd0c8c6c36d22a42369178d98a.002.1","noaa_urn:oid:2.49.0.1.840.0.16b87ee8e56630354d59e7aefd0a8801fd93dfb4.001.1","noaa_urn:oid:2.49.0.1.840.0.30da3da251fb220e92e89be0e335e5c631f7fa7d.001.1","noaa_urn:oid:2.49.0.1.840.0.79aa52a31da5145ea76b4b89c0d3eea0fa3cbe53.001.1","noaa_urn:oid:2.49.0.1.840.0.7df043930623024d6d5d201c921790c7d37df455.001.1","noaa_urn:oid:2.49.0.1.840.0.22ad5f25c4a188d85947602a71770185ba56ec01.001.1","noaa_urn:oid:2.49.0.1.840.0.ecd361c71c574e777aeee466c6787af592f83b1c.001.1","noaa_urn:oid:2.49.0.1.840.0.2400dee37f6f02725af19ecddfc0ced45e3e4fc5.001.1","noaa_urn:oid:2.49.0.1.840.0.c49330a639855b03f26b5f078619db5761b29504.001.1","noaa_urn:oid:2.49.0.1.840.0.a0725ef63156e57bd891603d81d931e58d5870da.001.1","noaa_urn:oid:2.49.0.1.840.0.0682cd8840f5c4eb201585c8af8a3635d4e50c7b.001.1","noaa_urn:oid:2.49.0.1.840.0.0166d6d20f4d8215148cd23d970709e4f90033c6.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1.75 |
| Iem Unit | Inch |
| Iem City | 5 NW Wellfleet |
| Iem County | Lincoln |
| Iem State | NE |
| Iem Wfo | LBF |
| MergedSources | [{"id":"iem_H_40.830_-100.830_1778967540000","source":"iem","severity":"low","severityValue":25,"timestamp":1778967540000,"latitude":40.83,"longitude":-100.83},{"id":"iem_H_40.800_-100.810_1778966460000","source":"iem","severity":"low","severityValue":25,"timestamp":1778966460000,"latitude":40.8,"longitude":-100.81}] |
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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