NOAA NWS / Event history
Flood Watch issued October 22 at 11:36AM PDT until October 23 at 5:00AM PDT by NWS Reno NV
Flood Watch · Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County. Severe; possible; urgency: future.
- Bulletin issued
- 22 October 2026 at 18:36 UTC
- First saved by us
- 22 October 2026 at 18:42 UTC
- Last included in a daily record
- 22 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 alert
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 Reno NV · Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County
- Certainty / urgency
- Possible / Future
- Message expiry (not hazard end)
- 23 October 2026 at 12:00 UTC
- Forecast onset / end
- 22 October 2026 at 18:36 UTC / 23 October 2026 at 12:00 UTC
Archived official description
* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Northeastern Lassen County and Surprise valley in California, and northern Washoe County and northwestern Pershing County in Nevada. The watch area includes the Biscar and S1-Vya burn scars. * WHEN...Through 5 AM PDT Friday. * IMPACTS...Small creeks and streams may flood rural roads. Increased sediment transport from burn scars may clog culverts and ditches. * ADDITIONAL DETAILS... - Storm total rainfall of 0.5 to 1.5 inches, locally 2 inches or more, is possible through through early Friday. Heavier rain this afternoon and evening may briefly exceed 0.5 inch per hour. Runoff may linger overnight. - Vulnerable locations include remote ranches within and near the Biscar and S1-Vya burn scars, downstream drainages, and culverts along US-395 from Stoney Creek Road north to Rye Patch Road. - http://www.weather.gov/safety/flood
Instructions in this archived message
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
The saved record
What changed
0 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.
First saved record · 22 October 2026 at 18:42 UTC
Saved by us
Starting point
First saved record
Our first saved version of Flood Watch issued October 22 at 11:36AM PDT until October 23 at 5:00AM PDT by NWS Reno NV. We have no earlier saved version to compare.
Bulletin issued: 22 October 2026 at 18:36 UTC
View saved version 1
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:7826a36035ae36c0c91ede34", "authorityId": "urn:oid:2.49.0.1.840.0.3d08465db019fd091e5e1dc6da2edcfa42ef805f.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [], "category": "weather", "title": "Flood Watch issued October 22 at 11:36AM PDT until October 23 at 5:00AM PDT by NWS Reno NV", "eventType": "Flood Watch", "occurredAt": "2026-10-22T18:36:00.000Z", "issuedAt": "2026-10-22T18:36:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T18:36:00.000Z", "onsetAt": "2026-10-22T18:36:00.000Z", "expiresAt": "2026-10-23T12:00:00.000Z", "forecastEndAt": "2026-10-23T12:00:00.000Z", "severity": "Severe", "urgency": "Future", "certainty": "Possible", "messageType": "Alert", "status": "Source alert", "place": "Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County", "coordinates": null, "issuer": "NWS Reno NV", "summary": "Flood Watch · Surprise Valley California; Lassen-Eastern Plumas-Eastern Sierra Counties; Western Nevada Basin and Range including Pyramid Lake; Northern Washoe County. Severe; possible; urgency: future.", "description": "* WHAT...Flooding caused by excessive rainfall is possible.\n\n* WHERE...Northeastern Lassen County and Surprise valley in\nCalifornia, and northern Washoe County and northwestern Pershing\nCounty in Nevada. The watch area includes the Biscar and S1-Vya\nburn scars.\n\n* WHEN...Through 5 AM PDT Friday.\n\n* IMPACTS...Small creeks and streams may flood rural roads. Increased\nsediment transport from burn scars may clog culverts and ditches.\n\n* ADDITIONAL DETAILS...\n- Storm total rainfall of 0.5 to 1.5 inches, locally 2 inches or\nmore, is possible through through early Friday. Heavier rain this\nafternoon and evening may briefly exceed 0.5 inch per hour.\nRunoff may linger overnight.\n- Vulnerable locations include remote ranches within and near the\nBiscar and S1-Vya burn scars, downstream drainages, and culverts\nalong US-395 from Stoney Creek Road north to Rye Patch Road.\n- http://www.weather.gov/safety/flood", "instruction": "You should monitor later forecasts and be alert for possible Flood\nWarnings. Those living in areas prone to flooding should be prepared\nto take action should flooding develop.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3d08465db019fd091e5e1dc6da2edcfa42ef805f.001.1", "source": "nws", "sourceName": "NOAA NWS" }Visit the external source ↗The external page may have changed since this version was saved.