NOAA NWS / Event history

Severe Thunderstorm Warning issued October 16 at 2:56PM EDT until October 16 at 3:15PM EDT by NWS State College PA

Severe Thunderstorm Warning · Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA. Severe; observed; urgency: immediate.

See what changed ↓Detailed event record ↗

Bulletin issued: 16 October 2026 at 18:56 UTC
First saved by us: 16 October 2026 at 18:32 UTC
Last included in a daily record: 16 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source update

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS State College PA · Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 16 October 2026 at 19:15 UTC
Forecast onset / end: 16 October 2026 at 18:56 UTC / 16 October 2026 at 19:15 UTC

Archived official description

At 256 PM EDT, severe thunderstorms were located along a line from over Muncy to over Mifflinburg, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees, roofs, and siding. Locations impacted include... Williamsport, Milton, Lewisburg, Montoursville, Northumberland, Mifflinburg, Winfield, Muncy, Watsontown, Hughesville, Montgomery, Linntown, Duboistown, New Columbia, Montandon, Allenwood, Vicksburg, Delaware Run, Spruce Run Reservoir and Elimsport. This includes the following highways... Interstate 180 between mile markers 1 and 29. Interstate 80 between mile markers 195 and 219. Interstate 99 between mile markers 136 and 139.

Instructions in this archived message

Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure.

The saved record

What changed

1 update · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

Showing 1 change

Saved by us
16 October 2026 at 19:02 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 16 at 2:28PM EDT until October 16 at 3:15PM EDT by NWS State College PA
After
Severe Thunderstorm Warning issued October 16 at 2:56PM EDT until October 16 at 3:15PM EDT by NWS State College PA
Source updated
Before
16 October 2026 at 18:28 UTC
After
16 October 2026 at 18:56 UTC
Effective from
Before
16 October 2026 at 18:28 UTC
After
16 October 2026 at 18:56 UTC
Forecast onset
Before
16 October 2026 at 18:28 UTC
After
16 October 2026 at 18:56 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Reported area
Before
Centre, PA; Clinton, PA; Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA
After
Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA
Source summary
Before
Severe Thunderstorm Warning · ~~Centre, PA; Clinton, PA;~~ Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA. Severe; observed; urgency: immediate.
After
Severe Thunderstorm Warning · Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA. Severe; observed; urgency: immediate.
Official description
Before
SVRCTP The National Weather Service in State College has issued a * Severe Thunderstorm Warning for... Southeastern Centre County in central Pennsylvania... Northwestern Montour County in central Pennsylvania... Northwestern Northumberland County in central Pennsylvania... Union County in central Pennsylvania... Southeastern Clinton County in north central Pennsylvania... Southern Lycoming County in north central Pennsylvania... * Until 315 PM EDT. * At 228 PM EDT, severe thunderstorms were located along a line from over Jersey Shore to over Coburn, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees, roofs, and siding. * Locations impacted include... Williamsport, Milton, Lewisburg, Montoursville, Jersey Shore, Northumberland, Mifflinburg, Carroll, Woodward, Winfield, Muncy, Watsontown, Hughesville, Montgomery, Linntown, Avis, Duboistown and Castanea. This includes the following highways... Interstate 180 between mile markers 1 and 29. Interstate 80 between mile markers 178 and 219. Interstate 99 between mile markers 136 and 139.
After
At 256 PM EDT, severe thunderstorms were located along a line from over Muncy to over Mifflinburg, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees, roofs, and siding. Locations impacted include... Williamsport, Milton, Lewisburg, Montoursville, Northumberland, Mifflinburg, Winfield, Muncy, Watsontown, Hughesville, Montgomery, Linntown, Duboistown, New Columbia, Montandon, Allenwood, Vicksburg, Delaware Run, Spruce Run Reservoir and Elimsport. This includes the following highways... Interstate 180 between mile markers 1 and 29. Interstate 80 between mile markers 195 and 219. Interstate 99 between mile markers 136 and 139.
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2272b479d57b81baa17c91e36b68594c10c58fd8.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4d1d8dc50abdf4d60101c7354018f62daa7a3c5c.002.1
Bulletin issued: 16 October 2026 at 18:56 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:4982ae10d23222e9204cc101", "authorityId": "urn:oid:2.49.0.1.840.0.4d1d8dc50abdf4d60101c7354018f62daa7a3c5c.002.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.2272b479d57b81baa17c91e36b68594c10c58fd8.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 16 at 2:56PM EDT until October 16 at 3:15PM EDT by NWS State College PA", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-16T18:56:00.000Z", "issuedAt": "2026-10-16T18:56:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-16T18:56:00.000Z", "onsetAt": "2026-10-16T18:56:00.000Z", "expiresAt": "2026-10-16T19:15:00.000Z", "forecastEndAt": "2026-10-16T19:15:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA", "coordinates": null, "issuer": "NWS State College PA", "summary": "Severe Thunderstorm Warning · Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA. Severe; observed; urgency: immediate.", "description": "At 256 PM EDT, severe thunderstorms were located along a line from\nover Muncy to over Mifflinburg, moving east at 50 mph.\n\nHAZARD...60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to trees, roofs, and siding.\n\nLocations impacted include...\nWilliamsport, Milton, Lewisburg, Montoursville, Northumberland,\nMifflinburg, Winfield, Muncy, Watsontown, Hughesville, Montgomery,\nLinntown, Duboistown, New Columbia, Montandon, Allenwood,\nVicksburg, Delaware Run, Spruce Run Reservoir and Elimsport.\n\nThis includes the following highways...\nInterstate 180 between mile markers 1 and 29. Interstate 80 between\nmile markers 195 and 219. Interstate 99 between mile markers 136 and\n139.", "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. These storms are capable of producing damaging winds.\n\nTornadoes can develop quickly from severe thunderstorms. Seek shelter\nimmediately in an interior room on the lowest floor of a well-built\nstructure.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4d1d8dc50abdf4d60101c7354018f62daa7a3c5c.002.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.

First saved record · 16 October 2026 at 18:32 UTC

Saved by us

16 October 2026 at 18:32 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 16 at 2:28PM EDT until October 16 at 3:15PM EDT by NWS State College PA. We have no earlier saved version to compare.

Bulletin issued: 16 October 2026 at 18:28 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:2859e239c646566312dcd523",
  "authorityId": "urn:oid:2.49.0.1.840.0.2272b479d57b81baa17c91e36b68594c10c58fd8.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 16 at 2:28PM EDT until October 16 at 3:15PM EDT by NWS State College PA",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-16T18:28:00.000Z",
  "issuedAt": "2026-10-16T18:28:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-16T18:28:00.000Z",
  "onsetAt": "2026-10-16T18:28:00.000Z",
  "expiresAt": "2026-10-16T19:15:00.000Z",
  "forecastEndAt": "2026-10-16T19:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Centre, PA; Clinton, PA; Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA",
  "coordinates": null,
  "issuer": "NWS State College PA",
  "summary": "Severe Thunderstorm Warning · Centre, PA; Clinton, PA; Lycoming, PA; Montour, PA; Northumberland, PA; Union, PA. Severe; observed; urgency: immediate.",
  "description": "SVRCTP\n\nThe National Weather Service in State College has issued a\n\n* Severe Thunderstorm Warning for...\nSoutheastern Centre County in central Pennsylvania...\nNorthwestern Montour County in central Pennsylvania...\nNorthwestern Northumberland County in central Pennsylvania...\nUnion County in central Pennsylvania...\nSoutheastern Clinton County in north central Pennsylvania...\nSouthern Lycoming County in north central Pennsylvania...\n\n* Until 315 PM EDT.\n\n* At 228 PM EDT, severe thunderstorms were located along a line from\nover Jersey Shore to over Coburn, moving east at 50 mph.\n\nHAZARD...60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to trees, roofs, and siding.\n\n* Locations impacted include...\nWilliamsport, Milton, Lewisburg, Montoursville, Jersey Shore,\nNorthumberland, Mifflinburg, Carroll, Woodward, Winfield, Muncy,\nWatsontown, Hughesville, Montgomery, Linntown, Avis, Duboistown and\nCastanea.\n\nThis includes the following highways...\nInterstate 180 between mile markers 1 and 29. Interstate 80 between\nmile markers 178 and 219. Interstate 99 between mile markers 136 and\n139.",
  "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. These storms are capable of producing damaging winds.\n\nTornadoes can develop quickly from severe thunderstorms. Seek shelter\nimmediately in an interior room on the lowest floor of a well-built\nstructure.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2272b479d57b81baa17c91e36b68594c10c58fd8.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.