Yosemite, Yosemite Valley, Mariposa Madera Foothills and Mariposa-Madera Lower Sierra are under an updated weather alert for strong thunderstorms by the National Weather Service on Thursday at 8:29 p.m. The alert is in effect until 9 p.m.
The storms may bring pea-sized hail (0.25 inches).
“At 8:29 p.m., Doppler radar tracked a strong thunderstorm over Bootjack, or 16 miles west of Yosemite South Entrance, moving northeast at 30 mph,” states the NWS Hanford CA. “Minor hail damage to vegetation is possible.”
Locations impacted by the alert include Yosemite National, Bootjack, Yosemite Valley, Mariposa, Tamarack Flat Campground, Metcalf Gap, El Portal, Badger Pass Ranger Station, Camp 4 Campground, Wawona Campground, Hodgdon Meadow Campground, Yosemite Glacier Point, Gin Flat, Wawona Vistor Center, Jerseydale, Bridalveil Creek Campground, Crane Flat Campground, Crane Flat and Wawona.
The NWS said, “If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service.”
Lightning on the horizon: Expert safety measures for thunderstorms
Lightning strikes the United States approximately 25 million times each year, mostly during the summer. Lightning claims the lives of about 20 people annually, according to the NWS. The risk of lightning-related incidents escalates as thunderstorms draw near, reaching its peak when the storm directly looms overhead. However, it gradually recedes as the tempest moves
To protect yourself during a thunderstorm, take these recommendations into consideration:
Lightning safety plan:
When venturing outdoors, it’s crucial to have a lightning safety plan in place. Stay vigilant by monitoring the sky for ominous signs and listening for the telltale sound of thunder. If thunder is audible, it’s a clear indication of nearby lightning. Seek shelter promptly in a safe location, preferably indoors.Indoors safety measures:
Once you’re indoors, avoid using corded phones, electrical devices, plumbing fixtures, and stay away from windows and doors. Lightning can follow conductive pathways, and these precautions reduce the risk of electrical surges.Wait for the all-clear:
After the last lightning strike or thunderclap, wait at least 30 minutes before resuming outdoor activities. Lightning can strike even when a storm has seemingly passed, so exercise caution.When indoor shelter isn’t available:
If you find yourself outdoors without access to indoor shelter during a thunderstorm, take these steps to maximize your safety:
Avoid open fields, hilltops, or ridge crests, which expose you to greater lightning risk. Steer clear of tall, isolated trees and other prominent objects. In forested areas, stay close to lower stands of trees. If you’re with a group, ensure individuals are spread out to prevent lightning current from transferring between people. Camping in an open setting during a thunderstorm is strongly discouraged. If no alternative exists, set up camp in a valley, ravine, or other low-lying areas. Remember that a tent offers no protection against lightning. Do not approach water bodies, wet objects, or metal items. While water and metal don’t attract lightning, they conduct electricity effectively and can pose significant risks.In summary, when facing the threat of lightning, vigilance and preparedness are your best allies. By following these guidelines, you can significantly reduce the chances of lightning-related accidents and prioritize your safety.
Rainy roadways ahead: Essential safety tips for heavy rain
When heavy rain pours, the risk of flooding and treacherous roads rises. Here’s your guide from the NWS to staying safe during downpours:
Beware of swollen waterways:
During heavy rain, avoid parking or walking near culverts or drainage ditches, where swift-moving water can pose a serious risk.
Maintain safe driving distances:
Adhere to the two-second rule for maintaining a safe following distance behind the vehicle in front of you. In heavy rain, allow an additional two seconds of distance to compensate for reduced traction and braking effectiveness.
Reduce speed and drive cautiously:
On wet roads, slowing down is paramount. Gradually ease off the accelerator and avoid abrupt braking to prevent skidding.
Choose your lane wisely:
Stay toward the middle lanes – water tends to pool in the outside lanes.
Visibility matters:
Enhance your visibility in heavy rain by turning on your headlights. Watch out for vehicles in blind spots, as rain-smeared windows can obscure them.
Watch out for slippery roads:
The first half-hour of rain is when roads are slickest due to a mix of rain, grime, and oil. Exercise heightened caution during this period.
Keep a safe distance from large vehicles:
Don’t follow large trucks or buses too closely. The spray created by their large tires reduces your vision. Take care when passing them as well; if you must pass, do so with caution.
Mind your windshield wipers:
Overloaded wiper blades can hinder visibility. If rain severely limits your sight, pull over and wait for conditions to improve. Seek refuge at rest areas or protected spots.
When stopping by the roadside is your only option, position your vehicle as far off the road as possible, ideally beyond guardrails. Keep your headlights on and activate emergency flashers to alert other drivers of your position.
In the face of heavy rain, these precautions can make a significant difference in ensuring your safety on the road. Remember to stay informed about weather conditions and heed guidance from local authorities for a secure journey.
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