Event: Fire Weather Watch

Message Type: Alert

Urgency: Future

Severity: Severe

Certainty: Possible

Wheather Alert Summary: *** increasing potential for high end red flag warning event for portions of los angeles and ventura counties *** ...Red flag warning in effect for los angeles and ventura county mountains and valleys 10 am monday until 6 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Red flag warning in effect for ventura county coast and malibu 2 pm monday until 2 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Fire weather watch in effect for san luis obispo county mountains 10 pm monday until 10 pm tuesday due to gusty southeast to east winds and very low humidities... .As surface high pressure builds into the great basin, santa ana winds are expected to increase late monday morning into afternoon, then peak monday night into tuesday. offshore winds are expected to diminish some by wednesday, but very dir will persist. with the strong likelihood of widespread single digit humidities with this event, confidence is increasing for a long duration red flag event. in addition, there is the potential for a high end red flag event across some of the windiest areas monday night through tuesday, as localized wind gusts of 55 to 70 mph could overlap with single digit humidities across the western san gabriels, santa susanas, western santa monicas, ventura county valleys, and the hills above camarillo. the national weather service in los angeles/oxnard has issued a fire weather watch for wind and low relative humidity, which is in effect from monday evening through tuesday evening. * winds...Southeast to east 15 to 30 mph with gusts to 40 mph. * relative humidity...Widespread single digit humidities developing by later monday night or tuesday. * impacts...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property.

Event: Red Flag Warning

Message Type: Alert

Urgency: Expected

Severity: Severe

Certainty: Likely

Wheather Alert Summary: *** increasing potential for high end red flag warning event for portions of los angeles and ventura counties *** ...Red flag warning in effect for los angeles and ventura county mountains and valleys 10 am monday until 6 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Red flag warning in effect for ventura county coast and malibu 2 pm monday until 2 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Fire weather watch in effect for san luis obispo county mountains 10 pm monday until 10 pm tuesday due to gusty southeast to east winds and very low humidities... .As surface high pressure builds into the great basin, santa ana winds are expected to increase late monday morning into afternoon, then peak monday night into tuesday. offshore winds are expected to diminish some by wednesday, but very dir will persist. with the strong likelihood of widespread single digit humidities with this event, confidence is increasing for a long duration red flag event. in addition, there is the potential for a high end red flag event across some of the windiest areas monday night through tuesday, as localized wind gusts of 55 to 70 mph could overlap with single digit humidities across the western san gabriels, santa susanas, western santa monicas, ventura county valleys, and the hills above camarillo. the national weather service in los angeles/oxnard has issued a red flag warning for gusty santa ana winds and very low relative humidity, which is in effect from 2 pm monday to 2 pm pst wednesday. the fire weather watch is no longer in effect. * winds...Santa ana winds expected to increase sharply by mid to late monday afternoon, then peak monday night through tuesday, when speeds of 20 to 35 mph with gusts of 35 to 50 mph will likely be common. isolated gusts around 60 mph will be possible in the hills above camarillo and somis. * relative humidity...Humidities are expected to lower to around 15 percent in many areas by monday afternoon, with widespread humidities of 5 to 10 percent likely from monday night or tuesday, and persisting into wednesday, with isolated readings as low as 2 percent likely. * impacts...If fire ignition occurs, conditions are favorable for very rapid fire spread, extreme fire behavior, and long range spotting, which would threaten life and property.

Event: Red Flag Warning

Message Type: Alert

Urgency: Expected

Severity: Severe

Certainty: Likely

Wheather Alert Summary: *** increasing potential for high end red flag warning event for portions of los angeles and ventura counties *** ...Red flag warning in effect for los angeles and ventura county mountains and valleys 10 am monday until 6 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Red flag warning in effect for ventura county coast and malibu 2 pm monday until 2 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Fire weather watch in effect for san luis obispo county mountains 10 pm monday until 10 pm tuesday due to gusty southeast to east winds and very low humidities... .As surface high pressure builds into the great basin, santa ana winds are expected to increase late monday morning into afternoon, then peak monday night into tuesday. offshore winds are expected to diminish some by wednesday, but very dir will persist. with the strong likelihood of widespread single digit humidities with this event, confidence is increasing for a long duration red flag event. in addition, there is the potential for a high end red flag event across some of the windiest areas monday night through tuesday, as localized wind gusts of 55 to 70 mph could overlap with single digit humidities across the western san gabriels, santa susanas, western santa monicas, ventura county valleys, and the hills above camarillo. the national weather service in los angeles/oxnard has issued a red flag warning for gusty santa ana winds and very low relative humidity, which is in effect from 10 am monday to 6 pm pst wednesday. the fire weather watch is no longer in effect. * winds...Santa ana winds expected to increase sharply late monday morning or afternoon, then peak monday night into tuesday, when speeds of 20 to 30 mph with gusts of 35 to 50 mph will likely be common. offshore winds are expected to diminish some on wednesday, with gusts mostly in the 20 to 40 mph range. * relative humidity...Humidities are expected to lower to around 15 percent in many areas by monday afternoon, with widespread humidities of 5 to 10 percent likely from monday night or tuesday, and persisting into wednesday, with isolated readings as low as 2 percent likely. * impacts...If fire ignition occurs, conditions are favorable for very rapid fire spread, extreme fire behavior, and long range spotting, which would threaten life and property. there is also the risk of locally damaging winds including trees and power lines.

Event: Red Flag Warning

Message Type: Alert

Urgency: Expected

Severity: Severe

Certainty: Likely

Wheather Alert Summary: *** increasing potential for high end red flag warning event for portions of los angeles and ventura counties *** ...Red flag warning in effect for los angeles and ventura county mountains and valleys 10 am monday until 6 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Red flag warning in effect for ventura county coast and malibu 2 pm monday until 2 pm wednesday due to moderate to strong santa ana winds and very low humidities... ...Fire weather watch in effect for san luis obispo county mountains 10 pm monday until 10 pm tuesday due to gusty southeast to east winds and very low humidities... .As surface high pressure builds into the great basin, santa ana winds are expected to increase late monday morning into afternoon, then peak monday night into tuesday. offshore winds are expected to diminish some by wednesday, but very dir will persist. with the strong likelihood of widespread single digit humidities with this event, confidence is increasing for a long duration red flag event. in addition, there is the potential for a high end red flag event across some of the windiest areas monday night through tuesday, as localized wind gusts of 55 to 70 mph could overlap with single digit humidities across the western san gabriels, santa susanas, western santa monicas, ventura county valleys, and the hills above camarillo. the national weather service in los angeles/oxnard has issued a red flag warning for wind and low relative humidity, which is in effect from 10 am monday to 6 pm pst wednesday. the fire weather watch is no longer in effect. * winds...Santa ana winds expected to increase sharply late monday morning into afternoon, then peak monday night into tuesday. when speeds of 25 to 40 mph with gusts of 35 to 55 mph will likely be common. isolated gusts as high as 55 to 70 mph will be likely during the peak of the event in the windiest locations, such as the western san gabriels, santa susanas, western santa monicas, ventura county valleys, and hills above camarillo. offshore winds are expected to diminish some on wednesday, with gusts mostly in the 20 to 40 mph range. * relative humidity...Humidities are expected to lower to around 15 percent in many areas by monday afternoon, with widespread humidities of 5 to 10 percent likely from monday night or tuesday, and persisting into wednesday, with isolated readings as low as 2 percent likely. * impacts...If fire ignition occurs, conditions are favorable for very rapid fire spread, extreme fire behavior, and long range spotting, which would threaten life and property. there is also the risk of locally damaging winds including trees and power lines.

Event: Dense Fog Advisory

Message Type: Alert

Urgency: Expected

Severity: Moderate

Certainty: Likely

Wheather Alert Summary: * what...Visibility one quarter mile or less in dense fog. * where...Across the san joaquin valley from merced to kern counties. * when...From 11 pm this evening to noon pst sunday. * impacts...Low visibility could make driving conditions hazardous.

Event: Red Flag Warning

Message Type: Alert

Urgency: Expected

Severity: Severe

Certainty: Likely

Wheather Alert Summary: ...Red flag warning in effect from 10 am monday to 4 am pst wednesday for strong gusty santa ana winds and low relative humidity for all mountain areas, the inland empire, and san diego county valleys... the national weather service in san diego has issued a red flag warning for strong gusty santa ana winds and low relative humidity, which is in effect from 10 am monday to 4 am pst wednesday. the fire weather watch is no longer in effect. * winds...Northeast and east winds 20 to 30 mph. gusts in the valleys 35 to 45 mph, locally over 60 mph in mountains and passes. highest winds in east-west oriented passes, such as the san gorgonio pass and san diego county mountains and foothills. * relative humidity...As low as 5 to 10 percent. though winds will be calmer by wednesday and thursday, relative humidity will stay in this range each afternoon. * impacts...Any fires that develop will likely spread rapidly. outdoor burning is not recommended. outdoor property may be damaged along with difficult driving conditions. * location...San bernardino and riverside county valleys -the inland empire, san diego county inland valleys, san bernardino county mountains-including the mountain top and front country ranger districts of the san bernardino national forest, riverside county mountains-including the san jacinto ranger district of the san bernardino national forest, santa ana mountains-including the trabuco ranger district of the cleveland national forest, san diego county mountains- including the palomar and descanso ranger districts of the cleveland national forest and san gorgonio pass near banning.

Event: Air Quality Alert

Message Type: Alert

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Wheather Alert Summary: The imperial county air pollution control district has declared a mandatory wood burning curtailment for residents within the calexico area for sunday, december 8, 2024. the declaration of a mandatory curtailment, when forecast indicate elevated levels of fine particulate air pollution in the region, is issued to protect the public health. smoke from wood burning can cause health problems. breathing high levels of pollution from wood smoke can cause breathing problems (including asthma attacks), worsened lung and heart disease symptoms, and may even increase emergency room visits and hospitalizations. the mandatory curtailment rule prohibits the operation of any wood burning appliances during the curtailment period. this prohibition does not apply to cookstoves and those devices exclusively gaseous- fueled. to view current and forecast air quality within imperial county visit the imperial county air quality website at http://www.Imperialvalleyair.Org/ or follow icapcd on twitter, facebook or instagram (@county_air)