The dog days of summer are in full swing according to the latest outlook from the National Weather Service in Sacramento, with the Central Valley experiencing temperatures that are going to soar past the hundred-degree mark and the scorching heat is expected to persist throughout the workweek, only offering a slight reprieve over the weekend as cooler air tiptoes in, reports the NWS.
While many Northern Californians might be used to the heat by now, it's worth noting that current conditions are not just uncomfortable but borderline hazardous — as per the NWS, the "HeatRisk" remains at a "Moderate" level, while certain areas including the Sierra foothills and the northern San Joaquin Valley are facing a "Major" level of risk, the oppressive heat compounded by a lack of a marine layer usually present which has been pushed aside by a stubborn southwest ridge of high pressure, leaving the coastline just as bare translate into particularly high fire danger, something that's been a growing concern given the dry humidity readings in the single digits and teens, and the local breezes that could fan the flames, the combination of which means residents should stay alert and prepared for possible wildfire ignition.
The forecast, which should offer a measure of relief, suggests only minor cooling as the workweek wanes because the current high pressure system is predicted to "flattens and recenters further east" in response to a weak trough making its way from the Pacific Northwest, per the NWS discussion. This change could herald a slight increase in humidity levels, helping to mitigate some of the bone-dry conditions we've been experiencing.
Looking ahead, the NWS extended discussion indicates an upper level troughing pattern settling in over the weekend, ushering in a "continued cooling trend"; by Tuesday, the Central Valley for instance might actually feel upper 80s to lower 90s temperatures a welcome dip that signifies highs below normal as the week kicks on, and while all this talk of cooling may come as music to sweat-drenched ears, don't count on rainy relief – the forecast remains steadfastly dry for the foreseeable future.
In terms of air travel, pilots can expect generally clear skies with "VFR conditions over interior NorCal next 24 hrs" except for the possibility of "lcl MVFR possible in HZ/FU vcnty of fires," reminding that while on the ground we face the heat from above, in the skies, visibility can be compromised by the consequences of such extreme dryness and rising temperatures that nature has been throwing our way, as noted by the NWS advisory on aviation conditions.
