Red Flag Warnings September 28 and 29, 2019. NWS. Click to enlarge.
Red Flag Warnings are in the forecast for areas in six states this weekend.
On Saturday an area in California and Nevada south of Reno on the Sierra front of Mono and Mineral Counties will be under a Red Flag Warning for 25 to 35 mph winds with relative humidities of 15 to 25 percent.
On Sunday some locations in Utah, Colorado, Kansas, and Nebraska should expect gusty winds, dry fuels, and low humidities.
(The area shown on the map in Wyoming is for dense fog until 1 p.m. Saturday.)
(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)
Winds gusting at 30-40 mph with humidity in the teens
Red Flag Warning in effect until 9 a.m. PDT Wednesday, September 25.
A Red Flag Warning is in effect for portions of interior Northern California until Wednesday morning.
Building high pressure will result in gusty north to east wind
developing Monday and persisting into Wednesday. Combined with
warming temperatures and lowering humidity, this will result in
critical fire weather conditions across portions of Interior
Northern California.
— North wind 10 to 25 mph with local gusts 30 to 40 mph.
— Daytime humidity will be in the 10 to 20 percent range
with poor overnight recoveries of 30 to 40 percent.
— The highest threat will be in the western portions of the Sacramento Valley and adjacent foothills, where the highest wind gusts and lowest
humidity are expected.
(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)
Red Flag Warnings for areas in California, Nevada, Oregon, and Wyoming
Forecast for smoke near the Earth’s surface at 6 p.m. MDT September 15, 2019.
Smoke from wildfires are producing smoke that forecasters expect to affect large portions of Idaho, Montana, and Colorado on Sunday. The map above is the forecast for 6 p.m. MDT.
The largest producers of smoke today are:
Oregon: the 13,000-acre, largest ever prescribed fire on the Fremont-Winema National Forest just east of Crater Lake National Park, south of Highway 138 and west of Highway 97.
Idaho: a wildfire in state-protected lands in the southwest corner of the state 77 miles southwest of Boise, ID and 32 miles south-southeast of Jordan Valley, OR.
California: The 53,148-acre Walker Fire 16 miles south of Susanville, CA.
Colorado: Decker Fire, 6 miles south of Salida, CO, a fire 36 miles southwest of Salida, and two fires 20 and 40 miles east of Durango.
Red Flag Warnings are in effect Sunday for areas of California, Nevada, Oregon, and Wyoming.
Red Flag Warnings, September 15, 2019.
(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)
Red Flag Warnings in effect for areas of Utah, Nevada, Arizona, and California
Forecast for 6 p.m. MDT September 8, 2019. Near Surface vegetation fire smoke near the Earth’s surface.
These images represent the forecast for the distribution of smoke from vegetation fires at 6 p.m. MDT September 8, 2019. If the predictions are correct, smoke is going to be heavily affecting some areas in Nevada Saturday.
Near Surface Smoke (in the map above) is what affects people and animals in real time. Vertically integrated smoke higher in the atmosphere (in the map below) can have additional environmental effects and can contribute to interesting sunsets.
Forecast for 6 p.m. MDT September 8, 2019. Vertically Integrated vegetation fire smoke at high altitudes.Red Flag Warnings in effect September 8, 2019.
Forecast for smoke high above the surface at 6 p.m. MDT September 1, 2019.Forecast for near surface smoke at 6 p.m. MDT September 1, 2019.Red Flag Warnings for enhanced wildfire danger September 1, 2019.
Red Flag Warnings issued Thursday for areas in Oregon, Utah, Wyoming, and Colorado
Lightning between 6 a.m. Aug. 28 and 6 a.m. Aug. 29, 2019 MDT.
Moderate amounts of lightning occurred Wednesday in Southern Oregon, Northern California and Central Nevada, while larger numbers of strikes were detected in New Mexico and Arizona. Most areas where the lightning occurred in Oregon, California, and Nevada received light rain but many locations in Arizona and New Mexico saw heavier precipitation along with the lightning.
Here is a summary from the Northwest Geographic Area Coordination Center issued Thursday at 6:57 a.m. PDT:
Thunderstorms moved north across the Pacific Northwest spreading moderate lightning from the California border to the Puget Sound. Pockets of lightning occurred in South Central Oregon, the Oregon and southern Washington Cascades, and Western Oregon and southwest Washington, with scattered light precipitation. Isolated lightning strikes in Eastern Washington and Northeast Oregon. Light initial attack occurred with the largest fire reported in Central Washington for approximately 100 acres.
Observed precipitation between 9 a.m. CDT Aug. 28 and 9 a.m. Aug. 29, 2019.
Thunderstorms spark at least 8 new fires in @DesNatlForest today. @CentralORFire Largest: Tumalo Creek Fire @ 5 acres. Firefighters on scene, 4 planes working. All other fires are <1 acre. More lightning expected tonight & tomorrow. #LiveOnK2pic.twitter.com/2DXzbUxgkV