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Showers and T-Storms Increase Monday

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WEATHER DISCUSSION

In the afternoon hours of Sunday, cumulus started to develop across the mountains, basin, and Norther California. At least two lightning strikes were recorded just south of La Pine around 6 p.m. Upper air sounding showing a lot of dry air near the surface, so the majority of this rain is falling and evaporating before reaching the ground. This exponentially increases the chance for dry lightning. Showers seem to be dissipating as there is not enough instability to sustain these storms.

Fire season begins Monday for Lake, Klamath, Jackson, and Josephine Counties. Just in time for this event, the potential for showers and thunderstorms increase. Monday will see a much better chance for afternoon activity. Showers will be very light and isolated and rainfall will be minimal, especially with the dry air that will be at the surface. Storms will, once again, be confined to Northern California, the Cascades, and the Klamath Basin. As of now, the Valleys and coast seems to be in the clear. A marine layer is still in place and will be the story for the northern fringe of the coastal region. Cities like Bandon, Port Orford, and North Bend will see fog and low lying clouds throughout the next few days. A light drizzle could also fall in the saturated layer. These low lying clouds will extend as far inland as Roseburg and Sexton Summit. Temperatures will be much cooler in these locations because of the thickness of these clouds.

Winds are the next big story. A tight pressure gradient in our area is allowing for the winds to pick up, especially at the coast. Over the next several days, as we sit in the weakening trough, winds will continue to strengthen in the afternoons. Sustained winds will be in the 10-25 mph range. Gusts in some areas will get as high as 40 mph. Winds in the Basin will also pick up as well. With the low humidity and strong winds, fire weather will become a major threat with these storms. If dry lightning does spark a small fire, winds will give the potential for spreading. It’s also important not to burn any trash or brush as winds can carry embers for some distance.

Another round of light showers is expected in the region on Tuesday afternoon. This activity will stay mostly in Northern California. By Wednesday, a ridge of high pressure is expected to move into the region allowing for the suppression of these disturbances. Just dry, and mostly sunny weather to end the week.

Thanks for logging on and have a great week!

Meteorologist Seth Phillips

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Photos Submitted Today:

Holli McDonald:

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Terry Croft: Grizzly Peak Hike

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