Santa Rosa, California, 441.3, KV6A Repeater

(1 of 17) At 342 PM PDT, emergency management reported thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life-threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Emergency management reported. IMPACT...Life-threatening flash flooding of low-water crossings, creeks, normally dry washes and roads. Some locations that will experience flash flooding include... Twentynine Palms. This includes State Route 62 in San Bernardino County between mile markers 25 and 39. (2 of 17) The National Weather Service in Reno has issued a Red Flag Warning for gusty winds and low humidity, which is in effect until 8 PM PDT this evening. * Affected Area...Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties, Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern Mono, Southern Lyon and and Western Mineral Counties. * Winds...Southwest winds 15 to 20 mph with gusts 30 to 40 mph will continue through this evening. * Humidity...10 to 15%. * Duration...3 to 4 hours. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity before first responders can contain them. (3 of 17) * WHAT...Dangerously hot conditions with temperatures up to 106. * WHERE...Antelope Valley, Eastern Antelope Valley Foothills, San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Lucia Mountains, Santa Ynez Valley, Southern Salinas Valley, and Western Antelope Valley Foothills. * WHEN...Until 8 PM PDT this evening. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. (4 of 17) * WHAT...For the Excessive Heat Warning, dangerously hot conditions with temperatures up to 105. For the Wind Advisory, northwest winds 15 to 25 mph with gusts up to 40 mph expected. * WHERE...Santa Ynez Mountains Eastern Range and Santa Ynez Mountains Western Range. * WHEN...For the Excessive Heat Warning, until 8 PM PDT Monday. For the Wind Advisory, until 3 AM PDT Sunday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. (5 of 17) * WHAT...Dangerously hot conditions with temperatures up to 105. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. (6 of 17) * WHAT...Dangerously hot conditions with temperatures up to 113. * WHERE...Western San Fernando Valley. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. (7 of 17) * WHAT...Dangerously hot conditions with temperatures up to 96. * WHERE...Los Angeles County Beaches, Malibu Coast, and Palos Verdes Hills. * WHEN...Until 8 PM PDT Monday. * IMPACTS...There is a high risk for dangerous heat illness for anyone, especially for the very young, the very old, those without air conditioning, and those active outdoors. (8 of 17) ...RED FLAG WARNING IN EFFECT THROUGH 10 PM THIS EVENING FOR SAN LUIS OBISPO COUNTY MOUNTAINS (INCLUDING THE SANTA LUCIA RANGE), SANTA MONICA MOUNTAINS, AND EASTERN SANTA YNEZ RANGE AND ADJACENT SOUTHEAST COAST OF SANTA BARBARA COUNTY DUE TO EXTREMELY HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS... ...RED FLAG WARNING EXTENDED UNTIL 10 PM SUNDAY FOR THE INTERIOR MOUNTAINS OF LOS ANGELES, VENTURA, AND SANTA BARBARA COUNTIES (INCLUDING THE SANTA SUSANA MOUNTAINS), ANTELOPE VALLEY, AND WESTERN SANTA YNEZ RANGE AND ADJACENT SOUTHWEST COAST OF SANTA BARBARA COUNTY DUE TO HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS, AND POTENTIAL DRY LIGHTNING... .A long duration heat wave will continue away from the immediate coast, with only minor and slow improvement through Monday. Near record high temperatures will continue this weekend with highs between 105 and 115 common over the valleys, lower mountains, and deserts, and 95 to 105 over the inland coastal plain. Very warm temperatures will persist at night across the mountains and foothills. Locally gusty winds will form as well, strongest over southern Santa Barbara County with Sundowner gusts between 25 and 40 mph each night through Monday. There will be increasing instability today and Sunday, leading to deep mixing heights up to 18,000 feet, which will also lead to a high risk for erratic plume-dominated fire behavior, especially in the mountains, foothills, and deserts. While standard Red Flag Warning criteria is unlikely, there is a history of large fires during similar weather conditions. There is a threat of thunderstorms this weekend as mid level monsoonal moisture and instability move into the region. The best chance of storms will be across the mountains of Los Angeles and Ventura counties, as well as the Antelope Valley through Sunday. Any storms that develop today and Sunday will have the potential for dry lightning strikes and strong/erratic downburst winds, with localized gusts to 50 mph possible. Due to the significant threat of large plume dominated fires and the risk of dry lightning and additional sundowner winds, the Red Flag Warning has been extended into Sunday evening for portions of the warning area. * WINDS...North 15 to 30 mph with gusts up to 40 mph, strongest at nighT in the hills. Gusty and erratic winds possible with any new fires. * RELATIVE HUMIDITY...Minimums 8 to 15 percent inland of the beaches. Poor to minimal overnight recoveries of 12 to 25 percent in the foothills and mountains. * TEMPERATURES...Maximums between 98 and 108 common in the foothills and mountains, with minimums between 80 and 90. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. (9 of 17) ...RED FLAG WARNING IN EFFECT THROUGH 10 PM THIS EVENING FOR SAN LUIS OBISPO COUNTY MOUNTAINS (INCLUDING THE SANTA LUCIA RANGE), SANTA MONICA MOUNTAINS, AND EASTERN SANTA YNEZ RANGE AND ADJACENT SOUTHEAST COAST OF SANTA BARBARA COUNTY DUE TO EXTREMELY HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS... ...RED FLAG WARNING EXTENDED UNTIL 10 PM SUNDAY FOR THE INTERIOR MOUNTAINS OF LOS ANGELES, VENTURA, AND SANTA BARBARA COUNTIES (INCLUDING THE SANTA SUSANA MOUNTAINS), ANTELOPE VALLEY, AND WESTERN SANTA YNEZ RANGE AND ADJACENT SOUTHWEST COAST OF SANTA BARBARA COUNTY DUE TO HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS, AND POTENTIAL DRY LIGHTNING... .A long duration heat wave will continue away from the immediate coast, with only minor and slow improvement through Monday. Near record high temperatures will continue this weekend with highs between 105 and 115 common over the valleys, lower mountains, and deserts, and 95 to 105 over the inland coastal plain. Very warm temperatures will persist at night across the mountains and foothills. Locally gusty winds will form as well, strongest over southern Santa Barbara County with Sundowner gusts between 25 and 40 mph each night through Monday. There will be increasing instability today and Sunday, leading to deep mixing heights up to 18,000 feet, which will also lead to a high risk for erratic plume-dominated fire behavior, especially in the mountains, foothills, and deserts. While standard Red Flag Warning criteria is unlikely, there is a history of large fires during similar weather conditions. There is a threat of thunderstorms this weekend as mid level monsoonal moisture and instability move into the region. The best chance of storms will be across the mountains of Los Angeles and Ventura counties, as well as the Antelope Valley through Sunday. Any storms that develop today and Sunday will have the potential for dry lightning strikes and strong/erratic downburst winds, with localized gusts to 50 mph possible. Due to the significant threat of large plume dominated fires and the risk of dry lightning and additional sundowner winds, the Red Flag Warning has been extended into Sunday evening for portions of the warning area. * WINDS...West to north winds 10 to 15 mph with gusts up to 30 mph. Gusty and erratic winds possible with any new fires or thunderstorms. * RELATIVE HUMIDITY...Minimums 8 to 18 percent. Poor overnight recoveries of 15 to 30 percent. * TEMPERATURES...Maximums between 98 and 110 common for lower elevations, with minimums between 80 and 90. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. (10 of 17) ...RED FLAG WARNING IN EFFECT THROUGH 10 PM THIS EVENING FOR SAN LUIS OBISPO COUNTY MOUNTAINS (INCLUDING THE SANTA LUCIA RANGE), SANTA MONICA MOUNTAINS, AND EASTERN SANTA YNEZ RANGE AND ADJACENT SOUTHEAST COAST OF SANTA BARBARA COUNTY DUE TO EXTREMELY HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS... ...RED FLAG WARNING EXTENDED UNTIL 10 PM SUNDAY FOR THE INTERIOR MOUNTAINS OF LOS ANGELES, VENTURA, AND SANTA BARBARA COUNTIES (INCLUDING THE SANTA SUSANA MOUNTAINS), ANTELOPE VALLEY, AND WESTERN SANTA YNEZ RANGE AND ADJACENT SOUTHWEST COAST OF SANTA BARBARA COUNTY DUE TO HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS, AND POTENTIAL DRY LIGHTNING... .A long duration heat wave will continue away from the immediate coast, with only minor and slow improvement through Monday. Near record high temperatures will continue this weekend with highs between 105 and 115 common over the valleys, lower mountains, and deserts, and 95 to 105 over the inland coastal plain. Very warm temperatures will persist at night across the mountains and foothills. Locally gusty winds will form as well, strongest over southern Santa Barbara County with Sundowner gusts between 25 and 40 mph each night through Monday. There will be increasing instability today and Sunday, leading to deep mixing heights up to 18,000 feet, which will also lead to a high risk for erratic plume-dominated fire behavior, especially in the mountains, foothills, and deserts. While standard Red Flag Warning criteria is unlikely, there is a history of large fires during similar weather conditions. There is a threat of thunderstorms this weekend as mid level monsoonal moisture and instability move into the region. The best chance of storms will be across the mountains of Los Angeles and Ventura counties, as well as the Antelope Valley through Sunday. Any storms that develop today and Sunday will have the potential for dry lightning strikes and strong/erratic downburst winds, with localized gusts to 50 mph possible. Due to the significant threat of large plume dominated fires and the risk of dry lightning and additional sundowner winds, the Red Flag Warning has been extended into Sunday evening for portions of the warning area. * WINDS...North 15 to 30 mph with gusts up to 45 mph, strongest at night. Gusty and erratic winds possible with any new fires. * RELATIVE HUMIDITY...Minimums 8 to 18 percent inland of the beaches. Poor to minimal overnight recoveries of 12 to 25 percent in the foothills and mountains. * TEMPERATURES...Maximums between 98 and 108 common in the foothills and mountains, with minimums between 80 and 90. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. (11 of 17) ...RED FLAG WARNING IN EFFECT THROUGH 10 PM THIS EVENING FOR SAN LUIS OBISPO COUNTY MOUNTAINS (INCLUDING THE SANTA LUCIA RANGE), SANTA MONICA MOUNTAINS, AND EASTERN SANTA YNEZ RANGE AND ADJACENT SOUTHEAST COAST OF SANTA BARBARA COUNTY DUE TO EXTREMELY HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS... ...RED FLAG WARNING EXTENDED UNTIL 10 PM SUNDAY FOR THE INTERIOR MOUNTAINS OF LOS ANGELES, VENTURA, AND SANTA BARBARA COUNTIES (INCLUDING THE SANTA SUSANA MOUNTAINS), ANTELOPE VALLEY, AND WESTERN SANTA YNEZ RANGE AND ADJACENT SOUTHWEST COAST OF SANTA BARBARA COUNTY DUE TO HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS, AND POTENTIAL DRY LIGHTNING... .A long duration heat wave will continue away from the immediate coast, with only minor and slow improvement through Monday. Near record high temperatures will continue this weekend with highs between 105 and 115 common over the valleys, lower mountains, and deserts, and 95 to 105 over the inland coastal plain. Very warm temperatures will persist at night across the mountains and foothills. Locally gusty winds will form as well, strongest over southern Santa Barbara County with Sundowner gusts between 25 and 40 mph each night through Monday. There will be increasing instability today and Sunday, leading to deep mixing heights up to 18,000 feet, which will also lead to a high risk for erratic plume-dominated fire behavior, especially in the mountains, foothills, and deserts. While standard Red Flag Warning criteria is unlikely, there is a history of large fires during similar weather conditions. There is a threat of thunderstorms this weekend as mid level monsoonal moisture and instability move into the region. The best chance of storms will be across the mountains of Los Angeles and Ventura counties, as well as the Antelope Valley through Sunday. Any storms that develop today and Sunday will have the potential for dry lightning strikes and strong/erratic downburst winds, with localized gusts to 50 mph possible. Due to the significant threat of large plume dominated fires and the risk of dry lightning and additional sundowner winds, the Red Flag Warning has been extended into Sunday evening for portions of the warning area. * WINDS...West to north winds 10 to 15 mph with gusts up to 30 mph. Gusty and erratic winds possible with any new fires or thunderstorms. * RELATIVE HUMIDITY...Minimums 8 to 18 percent. Poor overnight recoveries of 15 to 30 percent. * TEMPERATURES...Maximums between 100 and 110 common for lower elevations, with minimums between 80 and 90. * THUNDERSTORMS...There is an increasing risk for dry lightning over Los Angeles and Ventura Counties this weekend, which can start new fires, spread them rapidly with gusty downburst winds, and provide little if any extinguishing rain. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. (12 of 17) ...RED FLAG WARNING IN EFFECT THROUGH 10 PM THIS EVENING FOR SAN LUIS OBISPO COUNTY MOUNTAINS (INCLUDING THE SANTA LUCIA RANGE), SANTA MONICA MOUNTAINS, AND EASTERN SANTA YNEZ RANGE AND ADJACENT SOUTHEAST COAST OF SANTA BARBARA COUNTY DUE TO EXTREMELY HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS... ...RED FLAG WARNING EXTENDED UNTIL 10 PM SUNDAY FOR THE INTERIOR MOUNTAINS OF LOS ANGELES, VENTURA, AND SANTA BARBARA COUNTIES (INCLUDING THE SANTA SUSANA MOUNTAINS), ANTELOPE VALLEY, AND WESTERN SANTA YNEZ RANGE AND ADJACENT SOUTHWEST COAST OF SANTA BARBARA COUNTY DUE TO HOT AND DRY CONDITIONS, LOCALLY GUSTY WINDS, AND POTENTIAL DRY LIGHTNING... .A long duration heat wave will continue away from the immediate coast, with only minor and slow improvement through Monday. Near record high temperatures will continue this weekend with highs between 105 and 115 common over the valleys, lower mountains, and deserts, and 95 to 105 over the inland coastal plain. Very warm temperatures will persist at night across the mountains and foothills. Locally gusty winds will form as well, strongest over southern Santa Barbara County with Sundowner gusts between 25 and 40 mph each night through Monday. There will be increasing instability today and Sunday, leading to deep mixing heights up to 18,000 feet, which will also lead to a high risk for erratic plume-dominated fire behavior, especially in the mountains, foothills, and deserts. While standard Red Flag Warning criteria is unlikely, there is a history of large fires during similar weather conditions. There is a threat of thunderstorms this weekend as mid level monsoonal moisture and instability move into the region. The best chance of storms will be across the mountains of Los Angeles and Ventura counties, as well as the Antelope Valley through Sunday. Any storms that develop today and Sunday will have the potential for dry lightning strikes and strong/erratic downburst winds, with localized gusts to 50 mph possible. Due to the significant threat of large plume dominated fires and the risk of dry lightning and additional sundowner winds, the Red Flag Warning has been extended into Sunday evening for portions of the warning area. * WINDS...West winds 15 to 20 mph with gusts up to 30 mph, except locally stronger and erratic winds near any new fires or thunderstorms. * RELATIVE HUMIDITY...Minimums 8 to 12 percent. Poor overnight recoveries of 15 to 30 percent. * TEMPERATURES...Maximums between 105 and 108 are expected. * THUNDERSTORMS...There is an increasing risk for dry lightning over the Antelope Valley through Sunday evening, especially eastern portions, which can start new fires, spread them rapidly with gusty downburst winds, and provide little if any extinguishing rain. Any thunderstorms that develop over the Antelope Valley or nearby areas, will have the potential to produce strong and erratic outflow wind gusts to 50 mph. * IMPACTS...If fire ignition occurs, conditions are favorable for rapid fire spread and extreme fire behavior which would threaten life and property. (13 of 17) * WHAT...Dangerously hot conditions with high temperatures in the 90s to 104 expected. Warm nights with low temperatures in the mid to upper 70s. * WHERE...Santa Ana Mountains and Foothills. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS... A very slow cooling trend will occur Sunday and Monday, but temperatures will remain 5 to 8 degrees above normal. (14 of 17) * WHAT...Dangerously hot conditions with high temperatures of 102 to 110. Very warm nights with lowest temperatures only falling into the mid to upper 70s. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...A very slow cooling trend will occur Sunday and Monday, but temperatures will remain 8-12 degrees above normal. (15 of 17) * WHAT...Dangerously hot conditions with high temperatures of 102 to 110. Very warm nights with lowest temperatures only falling into the 70s. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...A very slow cooling trend will occur Sunday and Monday, but temperatures will remain 10-15 degrees above normal. (16 of 17) * WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 106 expected. Warm nights with low temperatures in the lower to mid 70s. * WHERE...Orange County Inland Areas. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS... A very slow cooling trend will occur Sunday and Monday, but temperatures will remain 10-15 degrees above normal. (17 of 17) * WHAT...Dangerously hot conditions with high temperatures of 105 to 110 degrees expected. Overnight lows as warm as the upper 70s. Moderate to major heat risk expected with some areas of extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

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