NOAA NWS / Event history

Flood Watch issued October 18 at 4:12AM ChST until October 18 at 6:00PM ChST by NWS Tiyan GU

Flood Watch · Guam; Rota. Severe; possible; urgency: future.

See what changed ↓Detailed event record ↗

Bulletin issued: 17 October 2026 at 18:12 UTC
First saved by us: 15 October 2026 at 17:02 UTC
Last included in a daily record: 18 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 Tiyan GU · Guam; Rota
Certainty / urgency: Possible / Future
Message expiry (not hazard end): 18 October 2026 at 06:00 UTC
Forecast onset / end: 17 October 2026 at 18:12 UTC / 18 October 2026 at 08:00 UTC

Archived official description

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday, though expected rainfall has decreased slightly as the larger rainbands remain mainly south and east of the center of Champi. Rota could receive 3 to 5 inches, and Guam might get 4 to 8 inches. - http://www.weather.gov/safety/flood

Instructions in this archived message

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

The saved record

What changed

4 updates · 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 the latest 3 changes

Saved by us
17 October 2026 at 18:17 UTC
Version 5
10 recorded details changed
Title
Before
Flood Watch issued October 17 at 4:10PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
After
Flood Watch issued October 18 at 4:12AM ChST until October 18 at 6:00PM ChST by NWS Tiyan GU
Source updated
Before
17 October 2026 at 06:10 UTC
After
17 October 2026 at 18:12 UTC
Effective from
Before
17 October 2026 at 06:10 UTC
After
17 October 2026 at 18:12 UTC
Forecast onset
Before
17 October 2026 at 06:10 UTC
After
17 October 2026 at 18:12 UTC
Message expiry
Before
17 October 2026 at 18:30 UTC
After
18 October 2026 at 06:00 UTC
Forecast end
Before
18 October 2026 at 06:00 UTC
After
18 October 2026 at 08:00 UTC
Reported area
Before
Guam; Rota; Tinian; Saipan
After
Guam; Rota
Source summary
Before
Flood Watch · Guam; ~~Rota; Tinian; Saipan.~~ Severe; possible; urgency: future.
After
Flood Watch · Guam; Rota. Severe; possible; urgency: future.
Official description
Before
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Sunday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday. although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 3 to 5 inches, Rota could receive 5 to 8 inches, and Guam might get 8 to 14 inches. - http://www.weather.gov/safety/flood
After
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota. * WHEN...Through this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday, though expected rainfall has decreased slightly as the larger rainbands remain mainly south and east of the center of Champi. Rota could receive 3 to 5 inches, and Guam might get 4 to 8 inches. - http://www.weather.gov/safety/flood
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7d0ef09ad166d91fd2eddb5b4c770f3139482d76.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b187582ea6dcd1a7c1f8379456014ac638c541b4.002.1
Bulletin issued: 17 October 2026 at 18:12 UTC
View saved version 5
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:ff7c3e0522ab5c21e21d87e5", "authorityId": "urn:oid:2.49.0.1.840.0.b187582ea6dcd1a7c1f8379456014ac638c541b4.002.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.7d0ef09ad166d91fd2eddb5b4c770f3139482d76.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Flood Watch issued October 18 at 4:12AM ChST until October 18 at 6:00PM ChST by NWS Tiyan GU", "eventType": "Flood Watch", "occurredAt": "2026-10-17T18:12:00.000Z", "issuedAt": "2026-10-17T18:12:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-17T18:12:00.000Z", "onsetAt": "2026-10-17T18:12:00.000Z", "expiresAt": "2026-10-18T06:00:00.000Z", "forecastEndAt": "2026-10-18T08:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Update", "status": "Source update", "place": "Guam; Rota", "coordinates": null, "issuer": "NWS Tiyan GU", "summary": "Flood Watch · Guam; Rota. Severe; possible; urgency: future.", "description": "* WHAT...Flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Guam, Rota.\n\n* WHEN...Through this afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas. Storm drains\nand ditches may become clogged with debris. Extensive street\nflooding and flooding of creeks and rivers are possible.\n\n* ADDITIONAL DETAILS...\n- Typhoon Champi (29W) will produce locally heavy rainfall late\ntonight and Sunday, though expected rainfall has decreased\nslightly as the larger rainbands remain mainly south and east of\nthe center of Champi. Rota could receive 3 to 5 inches, and Guam\nmight get 4 to 8 inches.\n- http://www.weather.gov/safety/flood", "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b187582ea6dcd1a7c1f8379456014ac638c541b4.002.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.

Saved by us

17 October 2026 at 06:17 UTC

Version 4

7 recorded details changed

Title: Before
Flood Watch issued October 17 at 5:01AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
After
Flood Watch issued October 17 at 4:10PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
Source updated: Before
16 October 2026 at 19:01 UTC
After
17 October 2026 at 06:10 UTC
Effective from: Before
16 October 2026 at 19:01 UTC
After
17 October 2026 at 06:10 UTC
Forecast onset: Before
16 October 2026 at 19:01 UTC
After
17 October 2026 at 06:10 UTC
Message expiry: Before
17 October 2026 at 08:30 UTC
After
17 October 2026 at 18:30 UTC
Official description: Before
…ogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Tropical Storm Champi (29W) will drop copious amounts of rain over Sunday and Monday...although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 4 to 6 inches, Rota could receive 10 to 15 inches, and Guam might get 12 to 20 inches. - http://www.weather.gov/safety/flood
After
…ogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Typhoon Champi (29W) will produce locally heavy rainfall late tonight and Sunday. although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 3 to 5 inches, Rota could receive 5 to 8 inches, and Guam might get 8 to 14 inches. - http://www.weather.gov/safety/flood
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fd4402cac5e6279d4fe881da4c732b2b0a8dc3b5.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7d0ef09ad166d91fd2eddb5b4c770f3139482d76.001.1

Bulletin issued: 17 October 2026 at 06:10 UTC

View saved version 4

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

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  "id": "nws:441c19295b8079632db7631f",
  "authorityId": "urn:oid:2.49.0.1.840.0.7d0ef09ad166d91fd2eddb5b4c770f3139482d76.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
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    }
  ],
  "category": "weather",
  "title": "Flood Watch issued October 17 at 4:10PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU",
  "eventType": "Flood Watch",
  "occurredAt": "2026-10-17T06:10:00.000Z",
  "issuedAt": "2026-10-17T06:10:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-17T06:10:00.000Z",
  "onsetAt": "2026-10-17T06:10:00.000Z",
  "expiresAt": "2026-10-17T18:30:00.000Z",
  "forecastEndAt": "2026-10-18T06:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Update",
  "status": "Source update",
  "place": "Guam; Rota; Tinian; Saipan",
  "coordinates": null,
  "issuer": "NWS Tiyan GU",
  "summary": "Flood Watch · Guam; Rota; Tinian; Saipan. Severe; possible; urgency: future.",
  "description": "* WHAT...Flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Guam, Rota, Saipan and Tinian.\n\n* WHEN...Through Sunday afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas. Storm drains\nand ditches may become clogged with debris. Extensive street\nflooding and flooding of creeks and rivers are possible.\n\n* ADDITIONAL DETAILS...\n- Typhoon Champi (29W) will produce locally heavy rainfall late\ntonight and Sunday. although an unexpected southward shift in\ntrack will reduce these somewhat. Tinian and Saipan will see\naround 3 to 5 inches, Rota could receive 5 to 8 inches, and Guam\nmight get 8 to 14 inches.\n- http://www.weather.gov/safety/flood",
  "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7d0ef09ad166d91fd2eddb5b4c770f3139482d76.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

Saved by us

16 October 2026 at 19:02 UTC

Version 3

7 recorded details changed

Title: Before
Flood Watch issued October 16 at 2:31PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
After
Flood Watch issued October 17 at 5:01AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
Source updated: Before
16 October 2026 at 04:31 UTC
After
16 October 2026 at 19:01 UTC
Effective from: Before
16 October 2026 at 04:31 UTC
After
16 October 2026 at 19:01 UTC
Forecast onset: Before
16 October 2026 at 04:31 UTC
After
16 October 2026 at 19:01 UTC
Message expiry: Before
17 October 2026 at 05:45 UTC
After
17 October 2026 at 08:30 UTC
Official description: Before
…ensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Tropical Storm Champi is approaching the Marianas and will bring torrential rain Saturday night and Sunday at least. Total rainfall accumulations of 12 to 20 inches are possible for Guam, 10 to 18 inches for Rota and 8 to 12 inches for Tinian and Saipan. This could cause flooding problems in poor drainage and flood prone areas. - http://www.weather.gov/safety/flood
After
…ensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Tropical Storm Champi (29W) will drop copious amounts of rain over Sunday and Monday...although an unexpected southward shift in track will reduce these somewhat. Tinian and Saipan will see around 4 to 6 inches, Rota could receive 10 to 15 inches, and Guam might get 12 to 20 inches. - http://www.weather.gov/safety/flood
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.aeec7462e195e7df5d13bb74efabdf619edb5009.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fd4402cac5e6279d4fe881da4c732b2b0a8dc3b5.001.1

Bulletin issued: 16 October 2026 at 19:01 UTC

View saved version 3

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

{
  "id": "nws:93547ec9e9cd40fc9bcae828",
  "authorityId": "urn:oid:2.49.0.1.840.0.fd4402cac5e6279d4fe881da4c732b2b0a8dc3b5.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.aeec7462e195e7df5d13bb74efabdf619edb5009.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Flood Watch issued October 17 at 5:01AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU",
  "eventType": "Flood Watch",
  "occurredAt": "2026-10-16T19:01:00.000Z",
  "issuedAt": "2026-10-16T19:01:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-16T19:01:00.000Z",
  "onsetAt": "2026-10-16T19:01:00.000Z",
  "expiresAt": "2026-10-17T08:30:00.000Z",
  "forecastEndAt": "2026-10-18T06:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Update",
  "status": "Source update",
  "place": "Guam; Rota; Tinian; Saipan",
  "coordinates": null,
  "issuer": "NWS Tiyan GU",
  "summary": "Flood Watch · Guam; Rota; Tinian; Saipan. Severe; possible; urgency: future.",
  "description": "* WHAT...Flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Guam, Rota, Saipan and Tinian.\n\n* WHEN...Through Sunday afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas. Storm drains\nand ditches may become clogged with debris. Extensive street\nflooding and flooding of creeks and rivers are possible.\n\n* ADDITIONAL DETAILS...\n- Tropical Storm Champi (29W) will drop copious amounts of rain\nover Sunday and Monday...although an unexpected southward shift\nin track will reduce these somewhat. Tinian and Saipan will see\naround 4 to 6 inches, Rota could receive 10 to 15 inches, and\nGuam might get 12 to 20 inches.\n- http://www.weather.gov/safety/flood",
  "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fd4402cac5e6279d4fe881da4c732b2b0a8dc3b5.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

Show 1 earlier update

Saved by us
16 October 2026 at 04:32 UTC
Version 2
Source status changed
Title
Before
Flood Watch issued October 16 at 3:00AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
After
Flood Watch issued October 16 at 2:31PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
Source updated
Before
15 October 2026 at 17:00 UTC
After
16 October 2026 at 04:31 UTC
Effective from
Before
15 October 2026 at 17:00 UTC
After
16 October 2026 at 04:31 UTC
Forecast onset
Before
15 October 2026 at 17:00 UTC
After
16 October 2026 at 04:31 UTC
Message expiry
Before
16 October 2026 at 05:00 UTC
After
17 October 2026 at 05:45 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Official description
Before
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Sunday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - Tropical Storm Champi is approaching the Marianas and will bring torrential rain Saturday night and Sunday at least. Total rainfall accumulations of 6 to 12 inches are possible, causing flooding problems in poor drainage areas. - http://www.weather.gov/safety/flood
After
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Sunday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Tropical Storm Champi is approaching the Marianas and will bring torrential rain Saturday night and Sunday at least. Total rainfall accumulations of 12 to 20 inches are possible for Guam, 10 to 18 inches for Rota and 8 to 12 inches for Tinian and Saipan. This could cause flooding problems in poor drainage and flood prone areas. - http://www.weather.gov/safety/flood
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.48dfd579bb5899f7e1c5aa217295bfb3df2d527f.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.aeec7462e195e7df5d13bb74efabdf619edb5009.001.1
Bulletin issued: 16 October 2026 at 04:31 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:4bccb34ecf29daac3b19dc59", "authorityId": "urn:oid:2.49.0.1.840.0.aeec7462e195e7df5d13bb74efabdf619edb5009.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.48dfd579bb5899f7e1c5aa217295bfb3df2d527f.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Flood Watch issued October 16 at 2:31PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU", "eventType": "Flood Watch", "occurredAt": "2026-10-16T04:31:00.000Z", "issuedAt": "2026-10-16T04:31:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-16T04:31:00.000Z", "onsetAt": "2026-10-16T04:31:00.000Z", "expiresAt": "2026-10-17T05:45:00.000Z", "forecastEndAt": "2026-10-18T06:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Update", "status": "Source update", "place": "Guam; Rota; Tinian; Saipan", "coordinates": null, "issuer": "NWS Tiyan GU", "summary": "Flood Watch · Guam; Rota; Tinian; Saipan. Severe; possible; urgency: future.", "description": "* WHAT...Flooding caused by excessive rainfall continues to be\npossible.\n\n* WHERE...Guam, Rota, Saipan and Tinian.\n\n* WHEN...Through Sunday afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas. Storm drains\nand ditches may become clogged with debris. Extensive street\nflooding and flooding of creeks and rivers are possible.\n\n* ADDITIONAL DETAILS...\n- Tropical Storm Champi is approaching the Marianas and will bring\ntorrential rain Saturday night and Sunday at least. Total\nrainfall accumulations of 12 to 20 inches are possible for Guam,\n10 to 18 inches for Rota and 8 to 12 inches for Tinian and\nSaipan. This could cause flooding problems in poor drainage and\nflood prone areas.\n- http://www.weather.gov/safety/flood", "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.aeec7462e195e7df5d13bb74efabdf619edb5009.001.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.

First saved record · 15 October 2026 at 17:02 UTC

Saved by us

15 October 2026 at 17:02 UTC

Starting point

First saved record

Our first saved version of Flood Watch issued October 16 at 3:00AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU. We have no earlier saved version to compare.

Bulletin issued: 15 October 2026 at 17:00 UTC

View saved version 1

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

{
  "id": "nws:bb2e0b466a773033113db482",
  "authorityId": "urn:oid:2.49.0.1.840.0.48dfd579bb5899f7e1c5aa217295bfb3df2d527f.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Flood Watch issued October 16 at 3:00AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU",
  "eventType": "Flood Watch",
  "occurredAt": "2026-10-15T17:00:00.000Z",
  "issuedAt": "2026-10-15T17:00:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-15T17:00:00.000Z",
  "onsetAt": "2026-10-15T17:00:00.000Z",
  "expiresAt": "2026-10-16T05:00:00.000Z",
  "forecastEndAt": "2026-10-18T06:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Guam; Rota; Tinian; Saipan",
  "coordinates": null,
  "issuer": "NWS Tiyan GU",
  "summary": "Flood Watch · Guam; Rota; Tinian; Saipan. Severe; possible; urgency: future.",
  "description": "* WHAT...Flooding caused by excessive rainfall is possible.\n\n* WHERE...Guam, Rota, Saipan and Tinian.\n\n* WHEN...Through Sunday afternoon.\n\n* IMPACTS...Excessive runoff may result in flooding of rivers,\ncreeks, streams, and other low-lying and flood-prone locations.\nFlooding may occur in poor drainage and urban areas. Storm drains\nand ditches may become clogged with debris.\n\n* ADDITIONAL DETAILS...\n- Tropical Storm Champi is approaching the Marianas and will bring\ntorrential rain Saturday night and Sunday at least. Total\nrainfall accumulations of 6 to 12 inches are possible, causing\nflooding problems in poor drainage areas.\n- http://www.weather.gov/safety/flood",
  "instruction": "You should monitor later forecasts and be prepared to take action\nshould Flash Flood Warnings be issued.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.48dfd579bb5899f7e1c5aa217295bfb3df2d527f.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

Flood Watch issued October 18 at 4:12AM ChST until October 18 at 6:00PM ChST by NWS Tiyan GU

Archived official description

Instructions in this archived message

What changed

10 recorded details changed

7 recorded details changed

7 recorded details changed

Source status changed

First saved record