Værmelding for Riverside-San Bernadino-Ontario

High Wind Watch issued November 4 at 2:31PM PST until November 7 at 2:00PM PST by NWS San Diego CA* WHAT...Northeast winds 20 to 30 mph with gusts 40 to 60 mph. Gustsup to 70 mph are possible in the foothills of the San Bernardinomountains. Strongest winds in the Inland Empire will occur belowthe Cajon Pass.* WHERE...San Bernardino County Mountains and San Bernardino andRiverside County Valleys-The Inland Empire.* WHEN...From Wednesday evening through Thursday afternoon.* IMPACTS...Damaging winds could blow down trees and power lines.Widespread power outages are possible. Travel could be difficult,especially for high profile vehicles.* ADDITIONAL DETAILS...A Red Flag Warning is also in effect forportions of the San Bernardino county mountains and the InlandEmpire. Critical fire weather conditions are expected.Monitor the latest forecasts and warnings for updates.

National Weather Service

Air Quality Alert issued November 3 at 9:01PM PST by NWS San Diego CA* WHAT...The South Coast AQMD has issued an air quality alert due toharmful levels of particle pollution from windblown dust.* WHERE...in the Inland Empire and Coachella Valley. Levels ofparticle pollution can vary by time and location depending onemissions and local weather conditions.* WHEN...until 6PM on Monday.* IMPACTS... Particle pollution can get deep into the lungs andcause serious health problems such as asthma attacks, heart and lungdisease symptoms, and increased risk of lung infections. Everyonecan be affected, but sensitive groups such as people with lung orheart disease, older adults, people who are pregnant, children, andthose who spend a lot of time outdoors are at greater risk.To protect your health, check air quality levels and act as needed:* When Air Quality Index (AQI) levels are "Unhealthy for Sensitive Groups"(orange), sensitive groups as specified above should limitextended or intense outdoor activity.* When AQI is "Unhealthy" (red), everyone may experience healthimpacts. Sensitive groups should avoid extended time outdoors.* When AQI is "Very Unhealthy" (purple), sensitive groups should avoidall outdoor physical activity. Everyone else should avoidextended or intense outdoor activity.* When AQI is "Hazardous" (maroon), everyone should avoid alloutdoor physical activity.* ADDITIONAL DETAILS...To help keep indoor air clean when air quality is poor:* Keep windows and doors closed* Run your air conditioner and/or an air purifier* Do not use whole house fans or swamp coolers that bring in outsideair if you have other methods to stay cool* Avoid other sources of pollution such as fireplaces, candles,incense, grilling, and gasoline-powered lawn and garden equipmentTo help minimize outdoor particle pollution levels.* Carpool, telecommute, reduce trips, or take public transportation* Slow down if driving on dirt roads* Stabilize loose soilsTo view current and forecasted air quality levels, visit the SouthCoast Air Quality Management District website at aqmd.gov ordownload the mobile app at www.aqmd.gov/mobileapp. Additionaldetails for this air quality alert may be available atwww.aqmd.gov/advisory.For the latest air quality forecasts and information, visit thewebsite at aqmd.gov.

National Weather Service

Red Flag Warning issued November 4 at 12:16PM PST until November 7 at 6:00PM PST by NWS San Diego CA...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENINGFOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR PORTIONS OFTHE SAN BERNARDINO COUNTY MOUNTAINS AND INLAND EMPIRE......RED FLAG WARNING IS IN EFFECT FOR EARLY WEDNESDAY INTOTHURSDAY EVENING FOR PORTIONS OF THE SAN BERNARDINO MOUNTAINS, THEINLAND EMPIRE, SANTA ANA MOUNTAINS, AND INLAND ORANGE COUNTY FORSTRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SANBERNARDINO MOUNTAINS AND INLAND EMPIRE......FIRE WEATHER WATCH IS IN EFFECT FROM WEDNESDAY EVENING INTOTHURSDAY AFTERNOON FOR STRONG GUSTY WINDS AND LOW RELATIVEHUMIDITY FOR PORTIONS OF THE SAN DIEGO MOUNTAINS AND EASTERNVALLEYS AND THE RIVERSIDE COUNTY MOUNTAINS...A Red Flag Warning remains in effect through 6 PM tonight. Inaddition, The National Weather Service in San Diego has issued aRed Flag Warning for strong gusty winds and low relative humidity,which is in effect from 4 AM Wednesday to 6 PM PST Thursday.* WINDS...For today: North winds 15 to 20 mph gusting 35 to 45 mphdecreasing into this evening. For Wednesday and Thursday:Northeast 20 to 30 mph with gusts 40 to 60 mph. Gusts up to 70mph are possible in the foothills of the San Bernardinomountains. Strongest winds in the Inland Empire will occur belowthe Cajon Pass.* RELATIVE HUMIDITY...For today: as low as 12 percent. ForWednesday and Thursday: 10 to 15 percent.* IMPACTS...Any fires that develop will likely spread rapidly.Outdoor burning is not recommended.* LOCATION...San Bernardino and Riverside County Valleys -TheInland Empire and San Bernardino County Mountains-IncludingThe Mountain Top And Front Country Ranger Districts Of The SanBernardino National Forest.*ADDITIONAL DETAILS...Strongest winds are currently forecast forWednesday night into Thursday.A Red Flag Warning means that critical fire weather conditionsare either occurring now....or will shortly. A combination ofstrong winds...low relative humidity...and warm temperatures cancontribute to extreme fire behavior.

National Weather Service