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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Recently, we recorded an upper-air launch at our office. Much of the edited video is from a first person perspective, giving unique insight into how our meteorologists launch the weather balloon. It was breezy the day the radiosonde was launched, adding some excitement to the mix.

We normally launch the balloon twice a day. The sounding, as it is called, is released around 4am/pm or 5am/pm depending on whether daylight savings time is in effect or not.

Example output from our most recent sounding:

Most recent sounding from KRAP Upper-Air site