(1 of 24) * WHAT...Dangerously hot conditions with widespread locations reaching between 105 and 113 degrees. * WHERE...Lake County and Southeastern Mendocino Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities. (2 of 24) * WHAT...Dangerously hot conditions with many valleys reaching between 100 and 107 degrees. * WHERE...Northern Mendocino Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. This level of heat will affect anyone without effective cooling or adequate hydration. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities. (3 of 24) * WHAT...Dangerously hot conditions with high temperatures between 105 and 115 degrees. * WHERE...Trinity County and Northern Humboldt Interior. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat. * ADDITIONAL DETAILS...Heat can significantly impact outdoor activities. (4 of 24) ...FIRE WEATHER WATCH UPGRADED TO RED FLAG WARNING... .A Fire Weather Watch for Fire Weather Zone 597, which is mainly for the Tejon Pass area along I-5 and the high elevation communities of Pine Mountain Club and Frazier Park has been upgraded to a Red Flag Warning. Otherwise the Red Flag Warning continues for 592<595 until Sunday at 9 PM. * AFFECTED AREA...Southern Sierra Nevada from Kern County through Yosemite National Park. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 10% or less. * THUNDERSTORMS...20-30% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread. (5 of 24) ...FIRE WEATHER WATCH UPGRADED TO RED FLAG WARNING... .A Fire Weather Watch for Fire Weather Zone 597, which is mainly for the Tejon Pass area along I-5 and the high elevation communities of Pine Mountain Club and Frazier Park has been upgraded to a Red Flag Warning. Otherwise the Red Flag Warning continues for 592<595 until Sunday at 9 PM. The National Weather Service in Hanford has issued a Red Flag Warning, which is in effect until 9 AM PDT Sunday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zone 597. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 15% or less. * THUNDERSTORMS...5-15% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread. (6 of 24) ...FIRE WEATHER WATCH UPGRADED TO RED FLAG WARNING... .A Fire Weather Watch for Fire Weather Zone 597, which is mainly for the Tejon Pass area along I-5 and the high elevation communities of Pine Mountain Club and Frazier Park has been upgraded to a Red Flag Warning. Otherwise the Red Flag Warning continues for 592<595 until Sunday at 9 PM. * AFFECTED AREA...Southern Sierra Nevada from Kern County through Yosemite National Park. * OUTFLOW WINDS...Erratic wind gusts 40 to 50 mph in thunderstorm outflow. * HUMIDITY...Minimum daytime humidity levels as 15% or less. * THUNDERSTORMS...20-30% chance of thunderstorms - including dry lightning - each afternoon from Friday through Sunday. Less than a 10% chance of wetting rain with these storms. Thunderstorm potential is the greatest in the afternoon and evening on Saturday and Sunday * IMPACTS...Any fires that develop will likely spread rapidly due to dry fuels. Outdoor burning is not recommended. * HIGHEST THREAT...Dry thunderstorms can ignite fire and create wind gust favorable for rapid fire spread. (7 of 24) * WHAT...Dangerously hot conditions with high temperatures of 102 to 109 degrees, and very warm nights. * WHERE...A portion of southwest California. * WHEN...Until 9 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. (8 of 24) * Affected Area...Fire Zone 221 Stanislaus NF West of the Sierra Crest and Fire Zone 269 Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest. * Isolated thunderstorms with little to no associated precipitation are possible both today and Sunday over higher elevations of the Sierra Nevada. Best chances are today into tonight. * Gusty strong and erratic outflow wind will be possible near any thunderstorm development. * Impacts...Lightning can create new fire starts and may combine with gusty wind to cause fires to rapidly grow in size and intensity. (9 of 24) ...An approaching upper low will direct in a plume of monsoonal moisture. Thunderstorm chances will begin to develop this afternoon for portions of Lake, Mendocino, and Trinity counties, with increasing chances late tonight through Sunday. The dry surface environment will favor dry showers and likely dry thunderstorms which will be capable of gusty, erratic winds... The National Weather Service in Eureka has issued a Red Flag Warning, which is in effect from 2 AM to 10 PM PDT Sunday. * AFFECTED AREA...Fire weather zone 277.Fire weather zone 283. * THUNDERSTORMS...Likely dry thunderstorms. * OUTFLOW WINDS..Gusty and erratic outflow winds with stronger showers or thunderstorms. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. (10 of 24) * WHAT...Dangerously hot conditions with high temperatures 100 to 105. Low temperatures in the 70s. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. (11 of 24) * WHAT...Dangerously hot conditions with high temperatures of 108 to 115. Low temperatures only falling to the 80s. * WHERE...Coachella Valley and San Diego County Deserts. * WHEN...Until 9 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. A prolonged period of extreme temperatures will exacerbate impacts from the heat. * ADDITIONAL DETAILS...Highs on Sunday will fall a few degrees compared to Saturday to 108 to around 110 degrees, but increased moisture will result in muggy conditions. (12 of 24) * WHAT...High temperatures of 100 to 110 degrees with lows of 65 to 70 degrees are expected. * WHERE...Western and central Siskiyou County. This includes the cities of Yreka, Weed, Etna, Happy Camp, Mt Shasta City, and Dunsmuir. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Area rivers will be cold and can cause shock to swimmers. (13 of 24) Scattered thunderstorms are expected to develop Saturday and Sunday afternoons along the Sierra crest. Limited low level moisture and swift storm motion will make the chance of wetting rain low, increasing dry lightning concerns. * THUNDERSTORMS...Scattered thunderstorms with little to no rainfall. * OUTFLOW WINDS...40 to 50 mph. * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. (14 of 24) ...Complex fire weather environment evolves this weekend... .Hot, dry and windy conditions will remain in place over most of Oregon today, although approaching monsoon moisture from the south will increase the threat of lightning across the forecast area this afternoon and evening. Storms will likely be on the drier side today given available moisture in the air. The threat for storms is higher on Sunday as the moisture content increases. ...FIRE WEATHER WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 284 AND 285... * IMPACTS...Given the recent prolonged stretch of very hot and very dry conditions, lightning efficiency will be high to very high for fire starts. Any fires that develop will likely spread rapidly. * AFFECTED AREA...For the Red Flag Warning today, all areas along and east of Highway 97. For the Fire Weather Watch on Sunday, all areas * THUNDERSTORMS...Isolated to scattered high based storms that are likely to be mostly dry or have little precipitation. Lightning strikes outside of precipitation cores are possible and cause for concern. * OUTFLOW WINDS...Gusts up to 35 mph. These outflow winds can travel up to 50 miles away from the thunderstorm that caused it. * ADDITIONAL INFORMATION...The best chance for storms will be Sunday afternoon into Sunday evening. Isolated dry thunderstorms are more likely today as the atmosphere appears to be very dry. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr (15 of 24) * WHAT...Dangerously hot conditions with high temperatures 100 to 110 expected. Widespread Major HeatRisk with localized Extreme HeatRisk. * WHERE...Northern San Joaquin Valley and Southern Sacramento Valley. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities. (16 of 24) * WHAT...Dangerously hot conditions with high temperatures 108 to 115. Widespread Major to Extreme HeatRisk continues. * WHERE...Northern and Central Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills/Sacramento Valley, and Shasta Lake Area / Northern Shasta County. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working outside or participating in outdoor activities. * ADDITIONAL DETAILS...Heat could significantly impact outdoor activities. (17 of 24) * WHAT...Dangerously hot conditions. Afternoon temperatures 95 to 112. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Western portion of Joshua Tree National Park, Eastern portion of Joshua Tree National Park, and Chiriaco Summit. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. (18 of 24) * WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 114 and heat indices up to 115 to 118. Major Heat Risk. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * WHERE...Southeastern Imperial County, Salton Sea, and Chuckwalla Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. (19 of 24) * CHANGES...The Red Flag Warning for Friday July 12th has expired. The Red Flag Warning for Saturday July 13th and Sunday July 14th remains in effect. * Affected Area...Fire Weather Zone 274 Southern Mono County, Fire Weather Zone 421 Southern Sierra Front including Alpine, Northern Mono, Southern Lyon and and Western Mineral Counties. * Thunderstorms...Scattered thunderstorms with little to no rainfall. * Outflow Winds...Gusts upwards of 50 mph. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them. (20 of 24) * Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 271 Western Lassen, Eastern Plumas, and Eastern Sierra Counties, Fire Weather Zone 272 Greater Lake Tahoe and Truckee Area, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties, Fire Weather Zone 423 West Humboldt Basin in Pershing County, Fire Weather Zone 429 Lahontan Basin including Churchill and Eastern Mineral Counties and Fire Weather Zone 458 Northern Washoe County. * Thunderstorms...Scattered thunderstorms with little to no rainfall. * Outflow Winds...Gusts upwards of 50 mph. * Impacts...Lightning can create new fire starts and may combine with strong outflow winds to cause a fire to rapidly grow in size and intensity before first responders can contain them. (21 of 24) * WHAT...High temperatures 15 to 20 degrees above normal. Major to Extreme HeatRisk. * WHERE...San Joaquin River Canyon. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...Well above normal temperatures, even for the high Sierra, will make outdoor activities more likely to cause heat-related illnesses than folks are used to even at high elevation. (22 of 24) * WHAT...Dangerously hot conditions and Extreme HeatRisk. * WHERE...Indian Wells Valley and Mojave Desert. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure. (23 of 24) * WHAT...Dangerously hot conditions as extreme Heat-Risk will occur through the duration of this heat wave. * WHERE...A portion of central California. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure. (24 of 24) * WHAT...Dangerously hot conditions with a 50% probability of temperatures 105 degrees or hotter. * WHERE...Grapevine. * WHEN...Until 10 AM PDT Sunday. * IMPACTS...This level of rare, long-duration extreme heat with little to no overnight relief affects everyone, especially those without effective cooling and/or adequate hydration. * ADDITIONAL DETAILS...Impacts likely in most health systems, heat-sensitive industries and infrastructure.
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California Amateur Radio Repeaters

California Amateur Radio Repeaters

2 repeaters found in California.


= On-Air      = Off-Air      = Testing/Reduced      = Unknown

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Access Location County Call Use Modes
447.5200 - 127.3 / 127.3 El Cajon San Diego W6HDC OPEN FM EchoLink IRLP ON-AIR
447.5200 - CC2 Saugus, Oat Mountain Los Angeles KF6FM OPEN DMR ON-AIR

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