The forecast path of the center of Hilary has shifted a bit to the west. This increases the threat to the Southland, especially in terms of flooding. Rainfall Note the heavy rains are forecast for Los Angeles County. Serious flash flooding may result. Because the forecast path has shifted to the west, that increases the threat of serious flooding in Los Angeles County north into Yosemite and the southern Sierra. It lessens the threat in Utah and western Arizona. While the threat of widespread flooding in Utah and Arizona lessens, note that some thunderstorms with localized heavy rain show up on the map. In Nevada, the more western path increases the risk of serious flooding around Mt Charleston and into the central part of the state. Here is the updated (9am PDT) flash flood risk map. Wind There are already about 40,000 people without power in California, mostly in the center of the state. The maps above are the peak gusts forecasted with the storm. The highest winds, in general,
Mike,
ReplyDeleteAccuweather shows that the low this morning was 38 but there was frost on my window this morning and on the roofs. Since when did frost form at 38?
http://www.accuweather.com/en/us/wichita-ks/67201/april-weather/29328_pc
oops Sorry wrond day. It was 34 but still.
ReplyDeleteopps again. Wrong month it shows 36.
ReplyDeleteThe official temperatures are taken 5' above the ground inside a wooden box.
ReplyDeleteFrost forms when the temperature falls below freezing on a surface (grass, your car parked outside, roof, etc.) as opposed to the ambient air mass five feet above the ground.