Weather alerts in California

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 AM PDT THIS MORNING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL AND NORTHERN CALIFORNIA... * AFFECTED AREA...Portions of central and northern California. * TIMING...Until 10 AM PDT this morning. * WINDS...Northeast to east winds 15 to 25 mph with gusts 25 to 45 mph. * RELATIVE HUMIDITY...Daytime humidity 10 to 20% with single digits possible and very poor overnight recoveries. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

What to do: Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.

* AFFECTED AREA...Fire weather zones 418 including Lake Pillsbury, 419 including the City of Clearlake, Middletown, Lower Lake, and Indian Valley Reservoir, and 420 including Cobb and Mount Konocti. * WIND...Sustained winds of 15 to 25 mph with gusts to 35 mph possible in exposed areas. * HUMIDITY...Low overnight recoveries of 30-35% will drop to 10- 20% through the morning. Very poor RH recovery into Friday. * IMPACTS...Any fires that develop will likely spread rapidly.

What to do: 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.

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR NORTH BAY INTERIOR MOUNTAINS... * AFFECTED AREA...North Bay Interior Mountains. * TIMING...Until 11 AM PDT this morning. * WINDS 20 FOOT...North winds 10 to 15 mph with gusts between 30 to 40 mph. The highest peaks above 4000 ft will see gusts up to 60 mph. * RELATIVE HUMIDITY...Relative Humidity between 13 to 23 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

What to do: A Red Flag Warning is issued when weather conditions that promote rapid spread of fire which may become life-threatening are forecast. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities. Follow all fire restrictions. One less spark, one less wildfire. Never leave burning debris or camp fires unattended; extinguish them completely. Avoid using equipment or machinery that could create a spark. Secure tow chains to avoid dragging and subsequent sparks. Never toss cigarette butts out of your vehicle's window. Remember, one less spark, one less flame. Familiarize yourself with your emergency plan! Where will you go? How will you get there? Do you have your go kit ready to go? Who will you call to let others know you are safe? Visit ready.gov/plan for more information.

...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. * AFFECTED AREA...Cuyama Valley, San Luis Obispo County Mountains and Santa Barbara County Interior Mountains. * TIMING...From 3 AM to 6 PM PDT Friday. * WINDS...East 15 to 25 mph with gusts to 40 mph. Isolated gusts of 40 to 50 mph possible. * RELATIVE HUMIDITY...Minimums of 8 to 15 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

What to do: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. 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 3 AM to 6 PM PDT Friday. * AFFECTED AREA...Santa Lucia Mountains. * TIMING...From 3 AM to 6 PM PDT Friday. * WINDS...East 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...Minimums of 8 to 15 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

What to do: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

* WHAT...Northeast winds 25 to 35 mph with gusts 50 to 60 mph possible. Local gusts to 70 mph below the San Gorgonio Pass. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will weaken and become more localized into tomorrow as winds become more easterly.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...Northeast winds 25 to 45 mph with gusts of 50 to 70 mph possible. * WHERE...Eastern San Gabriel Mountains, Interstate 5 Corridor, Santa Susana Mountains, Western San Gabriel Mountains and Highway 14 Corridor, and Western Santa Monica Mountains Recreational Area. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

What to do: Secure outdoor objects. Avoid parking vehicles under trees. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Have a plan in place for possible power outages.

* AFFECTED AREA...Fire weather zone 592 Central Sierra.Fire weather zone 593 North Kings River.Fire weather zone 594 Sequoia Kings.Fire weather zone 595 Lake Isabella. * WIND...STRONG NORTHEAST WINDS EXPECTED. A 70 TO 90 PERCENT PROBABILITY OF GUSTS EXCEEDING 40 MPH ON THURSDAY. A 40 TO 60 PERCENT PROBABILITY OF GUSTS EXCEEDING 40 MPH ON FRIDAY. * HUMIDITY...MINIMUM RELATIVE HUMIDITY BETWEEN 15-25 PERCENT BOTH DAYS. * THUNDERSTORMS...NO THUNDERSTORM THREAT. * HIGHEST THREAT...IS LOCATED FOR ELEVATIONS ABOVE 4,000 UP TO THE CREST OF THE SIERRA NEVADA. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

What to do: 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.

* WHAT...Northeast winds 25 to 35 mph with gusts 50 to 65 mph. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until noon PDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest this afternoon through early evening.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...For Thursday and Friday northeast winds 25 to 35 mph with gusts 55 to 65 mph possible. Gusts over 65 mph possible near the Cajon Pass. For Saturday, winds will turn more easterly with gusts 35 to 45 mph, strongest below the San Gorgonio Pass. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Damaging winds could blow down trees and power lines. Power outages are possible. Travel could be difficult for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest this afternoon through early evening.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...For eastern portions of the valleys, northeast to east winds 20 to 30 mph with gusts 45 to 55 mph expected, locally higher up to 70 mph near mountain foothills. For the western valleys, more localized wind gusts 35 to 45 mph. Strongest and most widespread winds will be on Friday. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult for high profile vehicles. * ADDITIONAL DETAILS...Winds will become easterly tomorrow, and will gradually weaken in the process.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. The National Weather Service in Los Angeles/Oxnard has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 8 PM PDT Saturday. * AFFECTED AREA...Lake Casitas and Ojai Valley. * TIMING...Until 8 PM PDT Saturday. * WINDS...East 15 to 25 mph with gusts of 40 mph, strongest Friday. * RELATIVE HUMIDITY...Minimums of 8 to 15 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

What to do: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. * AFFECTED AREA...The mountains and foothills of Los Angeles and Ventura Counties. * TIMING...Until 8 PM PDT Saturday. * WINDS...Northeast to east 20 to 40 mph with gusts of 50 to 70 mph, strongest through Friday afternoon when isolated gusts of 70 to 90 mph are possible. * RELATIVE HUMIDITY...Minimums of 10 to 25 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

What to do: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

...HIGH RISK FOR RAPID FIRE GROWTH AND EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THROUGH SATURDAY, DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Updates include adding the following areas to the previous Red Flag Warnings - Ojai, Casitas, and the Santa Lucia Mountains. Moderate to strong Santa Ana winds will peak around Friday then slowly weaken through the weekend. Meanwhile, dry air will persist and dry out any effects of the recent rains. Red Flag Warnings are in effect for most of Los Angeles and Ventura Counties Thursday through Saturday, and for interior Santa Barbara and San Luis Obispo Counties for Friday. * AFFECTED AREA...Most valleys and coasts of Los Angeles and Ventura Counties. * TIMING...Until 8 PM PDT Saturday. * WINDS...Northeast to east 20 to 35 mph with gusts of 40 to 55 mph. Isolated gusts to 65 mph possible. Strongest Friday. * RELATIVE HUMIDITY...Minimums of 8 to 15 percent common. * IMPACTS...If fire ignition occurs, conditions are favorable for extreme fire behavior which would threaten life and property.

What to do: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. Use extreme caution with anything that can spark a wildfire. Residents near wildland interfaces should be prepared to evacuate if a wildfire breaks out. See readyforwildfire.org and wildfirerisk.org for information.

* WHAT...Northeast to east winds 25 to 35 mph with gusts 50 to 65 mph. Strongest winds will be on mountain foothills. * WHERE...San Diego County Mountains. * WHEN...Until midnight PDT Saturday Night. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest this afternoon through early evening.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...Northeast to east winds 30 to 40 mph with gusts 50 to 65 mph expected. * WHERE...San Gorgonio Pass near Banning. * WHEN...Until midnight PDT Saturday Night. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest this afternoon through early evening. Winds become more easterly tomorrow.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...Northeast to east winds 25 to 35 mph with gusts 50 to 60 mph expected. Strongest winds on mountain foothills, with gusts to 65 mph expected. * WHERE...Riverside County Mountains. * WHEN...Until midnight PDT Saturday Night. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Winds will be strongest this afternoon through early evening. Winds become more easterly tomorrow.

What to do: People are urged to secure loose objects that could be blown around or damaged by the wind.

* WHAT...Northeast winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Southern Owens Valley, Northwest Plateau, Hualapai Mountains, Northwest Deserts, Death Valley National Park, Western Clark and Southern Nye County, Sheep Range, and Spring Mountains-Red Rock Canyon. * WHEN...Until 11 AM PDT /11 AM MST/ Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

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

* WHAT...North-to-northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Lake Mohave, Lower Colorado River Valley / Lake Havasu, Eastern Mojave Desert, Cadiz Basin, and Southern Clark County. * WHEN...Until 11 AM PDT /11 AM MST/ Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

What to do: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Strong winds and rough waves on area lakes will create hazardous conditions for small craft.

* WHAT...North winds 15 to 25 mph with gusts up to 40 to 45 mph expected. * WHERE...In Arizona, Parker Valley. In California, Chuckwalla Mountains, Chuckwalla Valley, Imperial County Southeast, Palo Verde Valley, and Chiriaco Summit. * WHEN...Until 2 PM MST /2 PM PDT/ Friday. * IMPACTS...Difficult driving conditions, especially for larger vehicles traveling along roads with crosswinds. Light, unsecured objects may become airborne. Localized channels of blowing dust may briefly lower visibility under one mile and lots of lofted dust may create poor air quality across the area.

What to do: A Wind Advisory means that sustained wind speeds of between 30 and 40 mph are expected, or wind gusts of between 40 and 58 mph. Winds this strong can make driving difficult, especially for high profile vehicles. In addition, strong winds over desert areas could result in briefly lowered visibilities to well under a mile at times in blowing dust or blowing sand. Use extra caution.

* WHAT...Northeast winds 20 to 30 mph with gusts of 35 to 55 mph expected. * WHERE...Calabasas and Agoura Hills, Central Ventura County Valleys, Eastern San Fernando Valley, Eastern Santa Monica Mountains Recreational Area, Northern Ventura County Mountains, Santa Clarita Valley, Southeastern Ventura County Valleys, Southern Ventura County Mountains, and Western San Fernando Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. In the event of a nearby wildfire, smoke may increase heat and physical stress. If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through open windows and 2) If you have air conditioning, set on air recirculation within the home to avoid smoke exposure. Local officials may have additional guidance.

* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts of 35 to 55 mph expected. For the Heat Advisory, temperatures up to 95 expected. * WHERE...Coastal areas of southwest California * WHEN...For the Wind Advisory, until 8 PM PDT Friday. For the Heat Advisory, until 8 PM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Hot temperatures may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. In the event of a nearby wildfire, smoke may increase heat and physical stress. If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through open windows and 2) If you have air conditioning, set on air recirculation within the home to avoid smoke exposure. Local officials may have additional guidance.

* WHAT...Northeast winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 10 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

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

* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts 35 to 55 mph expected. Strongest winds will be near the foothills and in canyons of the Santa Ana mountains, with gusts up to 70 mph possible. For the Heat Advisory, temperatures up to 95 degrees * WHERE...Orange County Inland Areas. * WHEN...For the Heat Advisory, until 8 PM PDT Saturday. For the Wind Advisory, until noon PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Moderate to locally major HeatRisk. Those sensitive to heat may be impacted.

What to do: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts 35 to 55 mph expected. Strongest winds will be near the foothills and in canyons of the Santa Ana mountains, with gusts up to 70 mph possible. For the Heat Advisory, temperatures up to 95 degrees * WHERE...Orange County Inland Areas. * WHEN...For the Heat Advisory, until 8 PM PDT Saturday. For the Wind Advisory, until noon PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Moderate to locally major HeatRisk. Those sensitive to heat may be impacted.

What to do: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...High temperatures in the upper 80s to the mid 90s expected. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase during hot temperatures. * ADDITIONAL DETAILS...Low temperatures will be in the high 60s to low 70s.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

* WHAT...Temperatures up to 95 expected. * WHERE...Coastal areas of southwest California * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. In the event of a nearby wildfire, smoke may increase heat and physical stress. If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through open windows and 2) If you have air conditioning, set on air recirculation within the home to avoid smoke exposure. Local officials may have additional guidance.

* WHAT...For the Wind Advisory, northeast winds 20 to 30 mph with gusts of 35 to 55 mph expected. For the Heat Advisory, temperatures up to 95 expected. * WHERE...Coastal areas of southwest California * WHEN...For the Wind Advisory, until 8 PM PDT Friday. For the Heat Advisory, until 8 PM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Hot temperatures may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. In the event of a nearby wildfire, smoke may increase heat and physical stress. If smoke impacts your area; 1) Have a cooling plan in place as smoke could limit your ability to cool your home through open windows and 2) If you have air conditioning, set on air recirculation within the home to avoid smoke exposure. Local officials may have additional guidance.