Red Flag Warnings this weekend in six states

Red Flag Warnings 9-28
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.)

Red Flag Warnings and lightning in the West

Red Flag Warnings issued Thursday for areas in Oregon, Utah, Wyoming, and Colorado

lightning
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
Observed precipitation between 9 a.m. CDT Aug. 28 and 9 a.m. Aug. 29, 2019.

Dry lightning is in the forecast for most of Utah Thursday, resulting in Red Flag Warnings.

Red Flag Warnings
Red Flag Warnings for August 29, 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 for lightning in four western states

Red Flag Warnings
Red Flag Warnings issued August 7, 2019.

The National Weather Service has issued Red Flag Warnings and Fire Weather Watches for elevated wildfire danger on August 7, 2019 for areas of California, Nevada, Oregon, and Washington.

The forecasts for these areas include thunderstorms and in some cases, lightning described as “abundant”.

(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)

Red Flag Warnings issued for five western states

The National Weather Service has issued Red Flag Warnings for elevated wildfire danger on July 18, 2019 for areas of Colorado, Wyoming, Utah, Oregon, and Washington.  As you can see on the map most of them expire Thursday night, with the exception of the warning in northwest Colorado that is in effect until 9 p.m. Friday.

The forecasts for these areas include strong winds and low humidity.

(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)

Red Flag Warnings July 18, 2019
Red Flag Warnings in effect July 18, 2019.

 

Red Flag Warnings issued for Utah, Arizona, and Alaska

Red Flag Warnings issued July 11, 2019
Red Flag Warnings issued July 11, 2019

Red Flag Warnings are in effect for elevated wildfire danger in areas of Utah, Arizona, and Alaska.  As you can see on the map they expire at various times between Thursday night and Saturday morning.

Red Flag Warnings issued July 11, 2019
Red Flag Warnings issued July 11, 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 for five states Thursday and Friday

Red Flag Warnings in effect Thursday and Friday wildfire danger
Red Flag Warnings in effect Thursday and Friday. Click to enlarge.

Red Flag Warnings are in effect for elevated wildfire danger in areas of California, Nevada, Arizona, Utah, and Colorado  As you can see on the map they expire at various times on Friday.

The forecast for those areas predict, generally, winds gusting above 35 mph and relative humidity in the low teens.

(Red Flag Warnings can be modified throughout the day as NWS offices around the country update and revise their weather forecasts.)