# Red Flag Warning: Surprise Valley California; Eastern Lassen County; Northern Washoe County — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/0b9dccbce037bad9

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-31 11:42 ingested 2026-09-01 02:47

[original source ↗](http://www.weather.gov/)

## extract

Red Flag Warning — Surprise Valley California; Eastern Lassen County; Northern Washoe County
Severity: Severe. Certainty: Likely.
The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
11 AM to 11 PM PDT Tuesday. The Fire Weather Watch is no longer
in effect.

* CHANGES...The Fire Weather Watch has been upgraded to a Red Flag
Warning.

* Affected Area...Fire Weather Zone 270 Surprise Valley
California, Fire Weather Zone 278 Eastern Lassen County, Fire
Weather Zone 458 Northern Washoe County, including the S-1 Vya
Fire.

* Winds...Southwest 15 to 25 mph with gusts of 30 to 40 mph.
Ridgetop gusts up to 45 mph. Winds shift to westerly in the
late afternoon and evening.

* Humidity...RH reductions to 12 to 17 percent in the afternoon.
Nighttime recoveries of 50 to 80 percent Wednesday morning.

* Duration...3 to 6 hours.

* Impacts...The combination of gusty winds and low humidity can
cause fire to rapidly grow in size and intensity before first
responders can contain them.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.