![]() ![]() Boost your sun resistance with garments that are densely woven yet spacious. UV radiation from the Sun is most dangerous during midday take precautions and seek shade. Take necessary precautions - Protection from skin and eye injury is mandatory. Note: The maximum UV index of 4 during December leads to these instructions: A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person. UV indexThe months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. SunshineWith an average of 6.7h of sunshine, December has the least sunshine of the year in Norco. On the last day of December, sunrise is at 6:55 am and sunset at 4:51 pm PST. On the first day of the month, sunrise is at 6:37 am and sunset at 4:41 pm. DaylightWith an average of 9h and 54min of daylight, December has the shortest days of the year. RainfallThe month with the most rainfall is December, when the rain falls for 6.5 days and typically aggregates up to 1.89" of precipitation. HumidityIn December, the average relative humidity in Norco is 53%. TemperatureIn Norco, the month of December registers the lowest temperatures, averaging 63.5☏ at the peak and 46.9☏ at the lowest. ACT: Heed any flood watches and warnings.December, the first month of the winter in Norco, is still a comfortable month, with an average temperature ranging between min 46.9☏ and max 63.5☏. Peak Rainfall Amounts: Additional 3-6 inches, with locally Peak Wind Forecast: 35-45 mph with gusts to 55 mph Weather in Norco for tomorrow, Tuesday, Temperature, 73F 73F Feels Like, 77F 77F Precipitation, 0 mm, 0 mm Probability, 0, 0 Cloud. Peak Rainfall Amounts: Additional 4-8 inches, with locallyĮffective: T03:19:00-07:00 Expires: T11:30:00-07:00 Certainty: Likely Event: Tropical Storm Warning Type: Alert Severity: Severe Urgency: Expected Areas: San Gorgonio Pass Near Banning Peak Wind Forecast: 40-50 mph with gusts to 50 mph Little to no potential impacts from tornadoes.Įffective: T03:19:00-07:00 Expires: T11:30:00-07:00 Certainty: Likely Event: Tropical Storm Warning Type: Alert Severity: Severe Urgency: Expected Areas: Riverside County Mountains ACT: Listen for changes in the forecast. ![]() PREPARE: Little to no preparations needed to protectĪgainst tornadoes at this time. The tornado threat has decreased from the previous UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Tornadoes not expected Streets and parking lots become rivers of Numerous places where flood waters may coverĮscape routes. Flood waters can enter numerous structures within multipleĬommunities, some structures becoming uninhabitable or Flood control systems and barriers may become Valleys while increasing susceptibility to rockslides and In mountain areas, deadly runoff may rage down Small streams,Ĭreeks, canals, arroyos, and ditches may become raging Rivers and tributaries may overwhelmingly overflow theirīanks in many places with deep moving water. Extreme rainfall flooding may prompt numerous evacuations POTENTIAL IMPACTS: Devastating to Catastrophic Failure to takeĪction will likely result in serious injury or loss of life. ACT: Heed any flood watches and warnings. PREPARE: Urgently consider protective actions from extreme PLAN: Emergency plans should include the potential forĮxtreme flooding from heavy rain. The flooding rain threat has remained nearly steady from UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for extreme Peak Rainfall Amounts: 2-4 inches, with locally higher LATEST LOCAL FORECAST: Flood Watch is in effect Scattered power and communications outages. Hazardous drivingĬonditions on bridges and other elevated roadways. A few roads impassable from debris, particularly within Some fences and roadway signs blown over. Locations that don`t typically experience strong winds. Uprooted, but with greater numbers in places where treesĪre shallow rooted, especially in coastal and valley Unsecured lightweight objects blown about. Damage to porches, awnings, carports, sheds, and unanchored ACT: Move to safe shelter before the wind becomes hazardous. PREPARE: Remaining efforts to protect property should beĬompleted as soon as possible. ![]() PLAN: Plan for hazardous wind of equivalent tropical storm The wind threat has remained nearly steady from the UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39 THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST Window for Tropical Storm force winds: Sunday morning until Peak Wind Forecast: 35-45 mph with gusts to 45 mph LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind TROPICAL STORM WARNING REMAINS IN EFFECT. Effective: T03:19:00-07:00 Expires: T11:30:00-07:00 Certainty: Likely Event: Tropical Storm Warning Type: Alert Severity: Severe Urgency: Expected Areas: San Bernardino and Riverside County Valleys-The Inland Empire ![]()
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