(On a scale from 1 to 5)

National Preparedness Level: 1

Northern California PL: 1

Southern California PL: 1

Current National Situation:

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Initial attack was light with 504 new fires reported last week. 2 new large fires reported and 3 large fires contained.

This overview will be updated every Friday at 8:00 am unless significant activity occurs. Individual fires will be updated in real time.

Last week

Fires: 504
Acres: 4,220

Year to date

Fires: 12,567
Acres: 226,078

10-yr average

Fires: 22,752
Acres: 1,089,366
(2009 – 2018 as of today)

Regional Fires

Incident NameStateLead AgencySize (acres)Percent ContainedEstimate of ContainmentPersonnelStructures Destroyed
Sugar, Foresthill areaCATNF65.5100%May 11, 201930+0

California Fires

Incident NameStateLead AgencySize (acres)Percent ContainedEstimate of ContainmentPersonnelStructures Destroyed
Shady, Riverside CountyCARRU13025%85

Out of State Fires

Incident NameStateLead AgencySize (acres)Percent ContainedEstimate of ContainmentPersonnelStructures Destroyed
Range 2NVECFX9,19698%unknown238

Large Incident: A wildfire of 100 acres or more occurring in timber, or a wildfire of 300 acres or more occurring in grass/sage.
Wildland Fire: Any nonstructure fire, other than prescribed fire, that occurs in the wildland.
Wildland Fire – IMT1: Wildland fire; Type 1 Incident Management Team Assigned.
Wildland Fire – IMT2: Wildland fire; Type 2 Incident Management Team Assigned.
Wildland Fire – Other: Wildland fire; Other Incident Management Team Assigned besides a Type 1 or Type 2 team (e.g. Type 3).
Wildland Fire Use (WFU) Fire – A naturally ignited wildland fire that is managed to accomplish specific prestated resource management objectives in predefined geographic areas outlined in Fire Management Plans.

Map information provided courtesy of the UDSA Remote Sensing Application Center using data provided by the National Interagency Fire Center. The data is subject to change.

Weather Outlook

The dramatic pattern change across the West continues entering the forecast period as the unseasonably cool and wet low pressure system moves into the northern Great Basin Friday and allows for rain to continue falling across the northwestern quarter of the country.

To the south, pockets of critical fire weather conditions are expected as a breezy, dry, but cooler than average westerly flow continues.

A second period of cool and wet conditions begins Saturday as an even cooler system approaches the coast of California and Oregon.

Rain and mountain snow is expected on a broader scale through Sunday night in the higher elevations of northern California, Oregon, Nevada, and Utah. Some lower elevations across extreme western Oregon could see some accumulating snowfall briefly Sunday night as the system begins to move southeast.

On Monday, the strong system will begin to warm as it moves toward the Four Corners. High pressure will briefly move on shore into California and southwestern Oregon and will allow for some warming to occur.

Critical fire weather conditions will again develop across portions of the Southwest as winds increase and as humidity levels remain dry.

A third strong system is expected to move into the Pacific Northwest and northern California Tuesday night and Wednesday bringing more rain and mountain snow.

This system will split into two with both systems stalling out. One will be centered over Montana and will take the majority of the moisture and cold air with it, and the other will take up residence over the Southwest and will be mostly dry and windy on its eastern flanks.

In Alaska, the convective southerly flow will gradually transition briefly to a warm and dry pattern across the Interior as high pressure builds in from the Yukon Territory. However, the convective pattern will resume mid-week as the ridge drifts eastward and weakens.