Watches, Warnings & Advisories



3 products issued by NWS for: Riverside CA

Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Diego CA
249 AM PST Tue Jan 14 2025

...A RED FLAG WARNING IS IN EFFECT THROUGH 6 PM WEDNESDAY FOR
GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE INLAND
EMPIRE, SAN BERNARDINO COUNTY MOUNTAINS, SAN GORGONIO PASS, SANTA
ANA MOUNTAINS AND INLAND ORANGE COUNTY...

...A RED FLAG WARNING IS IN EFFECT THROUGH 6 PM WEDNESDAY FOR
GUSTY EAST WINDS AND LOW RELATIVE HUMIDITY FOR THE RIVERSIDE
COUNTY MOUNTAINS, THE SAN DIEGO COUNTY MOUNTAINS, AND THE SAN
DIEGO COUNTY VALLEYS...

CAZ248-255-142230-
/O.CON.KSGX.FW.W.0002.000000T0000Z-250116T0200Z/
San Bernardino and Riverside County Valleys - The Inland Empire-
San Bernardino County Mountains-
Including The Mountain Top And Front Country Ranger Districts Of
The San Bernardino National Forest-
249 AM PST Tue Jan 14 2025

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST WEDNESDAY
FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR THE SAN
BERNARDINO MOUNTAINS AND INLAND EMPIRE...

* WINDS...Northeast 20 to 30 mph with gusts to 55 mph.

* RELATIVE HUMIDITY...As low as 10 percent.

* IMPACTS...If fire ignition occurs, conditions are favorable
  for very rapid fire spread and extreme fire behavior.

* LOCATION...San Bernardino and Riverside County Valleys  -The
  Inland Empire and San Bernardino County Mountains-Including
  The Mountain Top And Front Country Ranger Districts Of The San
  Bernardino National Forest.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$



Wind Advisory

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
243 AM PST Tue Jan 14 2025

CAZ048-142230-
/O.CON.KSGX.FR.Y.0002.000000T0000Z-250114T1700Z/
/O.CON.KSGX.WI.Y.0002.000000T0000Z-250116T0200Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Moreno Valley, Ontario, Fontana, San
Bernardino, Rancho Cucamonga, Corona, and Riverside
243 AM PST Tue Jan 14 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING FOR
WIND SHELTERED LOCATIONS...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST WEDNESDAY...

* WHAT...For the Frost Advisory, temperatures as low as 32 will
  result in frost formation. For the Wind Advisory, northeast winds
  20 to 30 mph with gusts to 60 mph.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
  Empire.

* WHEN...For the Frost Advisory, until 9 AM PST this morning. For
  the Wind Advisory, until 6 PM PST Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Frost could harm sensitive outdoor vegetation. Sensitive outdoor
  plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

&&

$$



Air Quality Alert

CAZ048-055>057-061-065-552-554-150800-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Bernardino County Mountains-Riverside County Mountains-
Santa Ana Mountains and Foothills-Coachella Valley-
San Gorgonio Pass Near Banning-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Crestline,
Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs,
Wrightwood, Idyllwild-Pine Cove, Indio, Palm Springs,
Cathedral City, Palm Desert, Palm Desert Country, La Quinta,
Coachella, Huntington Beach, Costa Mesa, Newport Beach,
Laguna Beach, San Clemente, Santa Ana, Anaheim, Garden Grove,
Irvine, Orange, Fullerton, and Mission Viejo
754 PM PST Mon Jan 13 2025

...AIR QUALITY ALERT DUE TO HARMFUL PARTICLE POLLUTION LEVELS FROM
WINDBLOWN DUST AND ASH...

* WHAT...The South Coast AQMD has issued an air quality alert due to
harmful levels of windblown dust and ash.

* WHERE...South Coast Air Basin and Coachella Valley. Windblown ash
is possible in areas southwest of recently burned areas. Pollution
levels can vary by time and location depending on emissions and
local weather conditions.

* WHEN...Impacts are possible from Monday evening until Wednesday at
7 PM.

* IMPACTS...Particle pollution can get deep into the lungs and cause
serious health problems such as asthma attacks, heart and lung
disease symptoms, and increased risk of respiratory infections.
Everyone can be affected, but sensitive groups such as people with
lung or heart disease, older adults, people who are pregnant,
children, and those who spend a lot of time outdoors are at greater
risk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To protect your health, in areas affected by windblown dust and ash:

* Avoid outdoor activity
* 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
outside
  air 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 equipment

* ADDITIONAL DETAILS...

Cleaning up ash can be harmful for your health. See California
Department of Public Health Guidelines for the safe cleanup of ash
at https://www.cdph.ca.gov/Programs/EPO/Pages/Wildfire%20Pages/Safe-
Cleanup-of-Ash.aspx.

To view current and forecasted air quality levels in the South Coast
Air Basin and Coachella Valley, visit the South Coast Air Quality
Management District website at aqmd.gov or download the mobile app
at www.aqmd.gov/mobileapp. Additional details for this air quality
alert may be available at www.aqmd.gov/advisory.

To view current and forecasted air quality levels in the High Desert
of San Bernardino County, visit the Mojave Desert Air Quality
Management District website at mdaqmd.ca.gov. Additional details
for this air quality alert may be available at
www.mdaqmd.ca.gov/advisories.

To view current and forecasted air quality levels in the High Desert
of Los Angeles County, visit the antelope Valley Air Quality
Management District website at www.avaqmd.ca.gov.

To view current and forecasted air quality levels in San Diego
County, visit the San Diego County Air Pollution Control District
website at www.sdapcd.org/content/sdapcd/air-quality.html.
Additional details for this air quality alert may be available at
www.sdapcd.org/content/sdapcd/air-quality/smoke-advisory.html.

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).


$$