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Flash flood warnings issued in San Bernardino and Los Angeles counties
Flash flood warnings issued in San Bernardino and Los Angeles counties

CBS News

time3 days ago

  • Climate
  • CBS News

Flash flood warnings issued in San Bernardino and Los Angeles counties

The National Weather Service has issued flash flood warnings for some areas in San Bernardino and Los Angeles counties. Meteorologists issued the advisory for communities in the San Bernardino Mountains, including Lake Arrowhead, Blue Jay and Cedar Glen, until 4 p.m. The NWS also issued a broader flash flood warning for the communities near Lucerne Valley until 4:45 p.m. The NWS issued a flash flood warning for Big Bear City and Big Bear Lake, but those expired at 3:15 p.m. About 28,000 people will be affected by these advisories, according to the NWS. In L.A. County, meteorologists issued a flash flood warning in the San Gabriel Mountains, west of Mount Baldy. It will last until 6 p.m. This advisory will affect fewer people than the warnings in San Bernardino County, a little more than 60 people. The NWS recommended that anyone in the advisory areas to move to higher ground and to move away from a burn scar area quickly. Residents should avoid walking or driving through floodwaters. The NWS also issued a special weather statement for strong winds in Ventura County, until 3:30 p.m., and communities near Covina, Glendora and San Dimas, until 4 p.m.

Sunny, cooler Friday in Philadelphia region, tracking storms over the weekend. Here's the weather forecast.
Sunny, cooler Friday in Philadelphia region, tracking storms over the weekend. Here's the weather forecast.

CBS News

time4 days ago

  • Climate
  • CBS News

Sunny, cooler Friday in Philadelphia region, tracking storms over the weekend. Here's the weather forecast.

Enjoy your Friday! Plan something outdoors as the day in the Philadelphia region is looking dry and considerably less humid than Thursday, making for an ideal summer day to spend time outside. Changes are coming for the weekend as your NEXT Weather team is now tracking the possibility of pop-up showers and storms both Saturday and Sunday. While not washout days, both days will have the potential for storms, along with an increasing level of humidity. A front rolls through Sunday, opening the door for a dry and seasonably mild start to next week. No weather alerts have been issued at this time, just general summer storm activity. We'll keep you updated! Friday: Partly sunny. High 85, Low 75. Saturday: Tracking storms. High 84, Low 70. Sunday: Showers, storms. High 90, Low 74. Monday: Mostly sunny. High 86, Low 70. Tuesday: Partly sunny. High 84, Low 65. Wednesday: Partly sunny. High 85, Low 67. Thursday: Mostly sunny. High 88, Low 72. NEXT Weather Radars Hourly Forecast

Edmonton weather: Partly cloudy and hazy with some showers on tap
Edmonton weather: Partly cloudy and hazy with some showers on tap

CTV News

time4 days ago

  • Climate
  • CTV News

Edmonton weather: Partly cloudy and hazy with some showers on tap

The Air Quality Health Index rose to the high risk range early this morning as temperatures cooled and some of the smoke aloft sunk closer to the surface. We'll probably see the AQHI stay there through the morning and then improve to a moderate risk this afternoon. With light wind in the forecast, it's unlikely that the smoke completely clear out of the area until early tonight or early Friday. The smoke modelling (which has been very accurate of late) has a significant improvement for Friday in the Edmonton area. However, northeastern Alberta will likely get a very smoky day Friday and may see some air quality warnings issued. Aside from the haze, we'll be Partly Cloudy through today with temperatures rising to around 23 or 24 C. There's an area of low pressure bringing showers to southern Alberta today and on the northern edge of that system, we may see a scattered shower or thunderstorm develop near the Edmonton region this afternoon or early this evening. It'll be very hit and miss and I think most of the city will probably get missed. Friday night and early Saturday morning have a much higher potential to bring some precipitation to the Edmonton area. We'll be partly cloudy and gusty through the day Friday. But, another low-pressure system moving in from the west will bring some showers and thunderstorms to western Alberta through the afternoon and evening hours Friday. As that system moves eastwards, it should push some showers OR periods of rain through the Edmonton region Friday night/early Saturday morning. It's still looking like we'll get a break from the rain for the late-morning and early afternoon hours Saturday (probably even a few glimpses of the sun breaking through the clouds). THEN...a chance of scattered showers for the evening hours Saturday. That should be a lot more hit and miss and the risk of showers Sunday looks fairly hit and miss as well. Bottom line: YES, we will very likely get some rain this weekend, and probably both days. BUT, it doesn't look like we'll see two full days of steady rain. Afternoon highs will be between 18 and 22 C (depending on whether we get afternoon precipitation and the timing). I've split the difference and gone with highs of 20 C for both Saturday and Sunday. Here's the forecast for Edmonton and area: Today - Partly cloudy with wildfire haze. Light wind. Slight risk of a late-afternoon shower or thunderstorm. High: 24 Tonight - Partly cloudy. 9pm: 20 Friday - Partly cloudy. Wind SE 20 gusting to 40. 60% chance of showers or periods of rain in the evening and overnight. Morning Low: 13 Afternoon High: 25 Saturday - 70% chance of showers or periods of rain early in the morning. Cloudy with a few sunny breaks through the day. 40% chance of a scattered shower late in the day. Morning Low: 14 Afternoon High: 20 Sunday - Mostly cloudy. 30% chance of a shower. Morning Low: 13 Afternoon High: 20 Monday - Mix of sun & cloud. 40% chance of shower. Morning Low: 12 Afternoon High: 20 Tuesday - Partly cloudy. Morning Low: 10 Afternoon High: 18

LIVE UPDATES: Severe Thunderstorm Warnings issued for parts of region
LIVE UPDATES: Severe Thunderstorm Warnings issued for parts of region

Yahoo

time12-07-2025

  • Climate
  • Yahoo

LIVE UPDATES: Severe Thunderstorm Warnings issued for parts of region

UPDATE @ 5:55 p.m. A Severe Thunderstorm Warning has been issued until 6:45 p.m. for Darke, Miami, Montgomery, and Preble counties. A Severe Thunderstorm Warning has been issued until 6:15 p.m. for Butler and Preble counties in Ohio. Parts of the Miami Valley could be affected by strong to severe weather this weekend. [DOWNLOAD: Free WHIO-TV News app for alerts as news breaks] Storm Center 7's team of meteorologists continues to track dangerous heat and the risks for severe weather over the next 24 hours. We could see numerous scattered showers and thunderstorms before sunset, according to Storm Center 7 Weather Specialist Nick Dunn. TRENDING STORIES: Worker dies after being trapped under forklift at Ohio work site Repeat sex offender charged with following young girl around Target 2 men, 1 woman found dead, sheriff says 'A few may contain damaging winds as the entire Miami Valley remains under a Level 2 (Slight) Risk for severe weather,' said Dunn. 'Isolated instances of flooding are possible as well. Not every storm that pops will turn severe.' The severe threat is expected to diminish by around 10 p.m. tonight. Dunn said there could be a few lingering showers into the overnight, but coverage looks sparse. The chances appear scattered, and not everyone will get rain. The best window for severe storms on Saturday will be from 2 p.m. to 10 p.m. Storm Center 7's team of meteorologists will continue to track the upcoming storms. This story will be updated as new details become available. [SIGN UP: WHIO-TV Daily Headlines Newsletter]

'Doomsday cloud' shrouds Maryland in darkness
'Doomsday cloud' shrouds Maryland in darkness

Daily Mail​

time11-07-2025

  • Climate
  • Daily Mail​

'Doomsday cloud' shrouds Maryland in darkness

Published: Updated: A dramatic cloud formation appeared in the skies of Maryland as severe thunderstorms ripped through the state. Footage showed a dark, low shelf cloud moving through the area while flash flood, thunderstorm and tornado warnings were active Wednesday. Locals captured a tube-like cloud that seemed to go on for miles as it hung over entire neighborhoods. Meteorologists have confirmed the formation was a shelf cloud, a low, wedge-shaped cloud that forms along the leading edge of a thunderstorm's gust front. It is a type of arcus cloud, and its formation is a result of cool, downdraft air from the thunderstorm pushing out and lifting warmer, moist air ahead of rising air then condenses, creating the characteristic shelf-like appearance. While this was a natural phenomena, locals proclaimed the sightings as being 'Doomsday in Maryland.' The US National Weather Service (NWS) issued a severe thunderstorm watch for parts of the state and Delaware , Maryland, New Jersey and Pennsylvania Wednesday. The agency also put a tornado warning in effect until 7pm ET in Bowie, Maryland where the cloud was spotted. Shelf clouds are typically found along the leading edge of a supercell thunderstorm. They formations are often mistaken for tornadoes or funnel clouds as they are found just a couple hundred feet above the ground. The shelf cloud in Maryland appeared to shroud a massive area in darkness as it formed over a giant apartment complex. The short clip, shared by Camryn Draughn via Storyful, shows a huge horizontal wall stretching from the horizon. Shelf clouds typically develop along the leading edge of a thunderstorm, especially in association with strong downdrafts. As rain-cooled air descends from the storm and spreads outward along the ground, it pushes into the warmer, more humid air ahead of the storm. This boundary, known as a gust front or outflow boundary, forces the warm air to rapidly rise. As this warm, moist air lifts, it cools and condenses into a low, horizontal cloud formation, the shelf cloud. These clouds often appear as a dramatic, wedge-shaped structure that can stretch for miles, with a ragged, turbulent underside. The rising air feeding the shelf cloud typically tilts backward into the storm, while the cooler air underneath flows outward toward observers, sometimes creating intense wind gusts just before the rain begins. Though they may look ominous and are often mistaken for tornadoes, shelf clouds do not rotate and are not inherently dangerous on their own, but they are a clear sign of strong winds and potentially severe weather moving in quickly. Another bizarre cloud formation left beachgoers in Portugal were left terrified after spotting what appeared to a tsunami heading their way this month. Images shared across social media showed the massive shelf cloud stretching over the ocean and onto the shore, accompanied by a violent gust of wind when it reached land. 'Felt like a tsunami out of a movie!' one user tweeted, while another wrote: 'If this isn't the start of a disaster movie, I don't know what is.' Thankfully, this strange phenomenon was not a tsunami after all. Instead, meteorologists have confirmed that this was a strange type of cloud known as a 'roll cloud.' Roll clouds are one of two forms of arcus clouds - low-level, wide-ranging clouds that are usually seen alongside thunderstorms. 'Shelf clouds are attached to the storm cloud, whereas Roll clouds are a horizontal column separated from the storm cloud,' the Met Office explained. Roll clouds - also known as arcus clouds - are low-level, wide ranging clouds that are typically associated with powerful storm clouds and thunderstorms. 'Arcus clouds are spectacular low-level, long and thin clouds associated with powerful thunderstorms,' the Met Office explained. 'They are sometimes seen beneath Cumulonimbus clouds. Roll clouds are one of two forms of arcus clouds - low-level, wide-ranging clouds that are usually seen alongside thunderstorms. 'Shelf clouds are attached to the storm cloud, whereas Roll clouds are a horizontal column separated from the storm cloud,' the Met Office explained

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