From the Freezer into the Fire: Extreme Daily Temperature Temperature Change on Thursday
Updated: 2024-08-31 04:45:00
: : Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 30, 2024 From the Freezer into the Fire : Extreme Daily Temperature Temperature Change on Thursday Can you imagine waking up with a sub-freezing temperature of 14F , with ice and frozen soil , needing a heavy jacket and something to warm your head A few hours later , the temperature jumped to 83F , and you dreamed of AC , shorts , and some icy drink A daily diurnal temperature change of 69F You might think you were mad or . dreaming It happened , in Seneca , Oregon yesterday . nbsp But why The station in question was the Seneca BLM Agrimet site located at 4600 ft in a high mountain basin in eastern Oregon location shown by red marker on maps Being in such a
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 26, 2024 The Last Frontal System for a While and Cold Records The satellite picture this afternoon was very fall-like , with a frontal cloud band extending across the northwest portion of the Olympic Peninsula and lots of clouds over British Columbia . nbsp Offshore , the white dots indicate unstable air and convection caused by cold air moving over warmer water . nbsp The radar image at the same time shows an impressive line of precipitation associated with the front over the Olympic Peninsula , extending both offshore and into BC . nbsp A few light showers over western Washington at that . time The temperatures during the past week have been unusually low , with
: : Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 24, 2024 A Tropical Storm Approaches Hawaii : Should They Be Worried Just over a year ago , Hurricane Dora passed south of Hawaii and strong downslope winds descended the western slopes of the West Maui mountains , resulting in wildfires that destroyed the town of Lahaina and killed approximately 100 . individuals As I write this , another tropical system , Tropical Storm Hone , is approaching the Hawaiian islands and will pass south of the Big Island during the next 24 hr see satellite picture below around 6 PM PDT The star indicates the storm's center and the arrow points to Lahaina on . Maui During the past year , nbsp I have worked with UW research scientist
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 23, 2024 Record Breaking Precipitation Imminent for Northwest Washington The current precipitation forecast for precipitation over northwest Washington over the next few days is stunning . particularly , what will hit the ground . tonight Many daily records will . fall Consider the accumulated precipitation through 5 PM on Saturday . nbsp Unbelievable . nbsp Large areas of northwest Washington will receive more than two inches , some 3-6 inches Most of this will fall overnight . nbsp Even more will fall on Monday , with the accumulated totals through 5 AM Tuesday shown below . nbsp There will be localized flooding around . Bellingham Remember , August is a dry
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 21, 2024 The Great Cooling is Imminent You better get your sweaters out . nbsp And your . umbrella You will need them as very cool temperatures are ahead , with Friday's and Saturday's highs around 15F cooler than . normal Cool temperatures with bountiful rainfall over the . region Some Northwest locations may cool to near freezing . And snow will return to the higher . elevations Let's start with the accumulated precipitation beginning this . morning By tomorrow at 5 PM , rain has accumulated over Vancouver Island and the . coast Through Friday at 5 PM , western Oregon and NW California are . soaked And then on Saturday , western Washington gets pummelled by
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 19, 2024 Why So Many Thunderstorms Hundreds of lightning strikes occurred across the region over the weekend , with some folks enjoying over an inch of rain as a series of thunderstorms moved . through There was even sizable . hail Several of you have asked me why this occurred . nbsp What unusual conditions had to come together to produce such prodigious boomers To begin , below are two regional lightning maps for the 24 hours ending 1 AM Sunday and today Monday The first period was the big one , with massive lightning over and west of the Cascades . nbsp Eastern WA got a piece of the action as . well The lightning distribution on Sunday was mainly limited to
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 17, 2024 Potential for A Major Western Washington Oregon Thunderstorm Event Tonight The ingredients will be in place for a major thunderstorm event later this afternoon and tonight over western . Washington Let me show you the latest high-resolution model forecasts from the NOAA NWS HRRR model . nbsp The images below are forecast maps of simulated maximum radar reflectivity in a vertical column . nbsp Higher values are associated with more intense precipitation . nbsp As 6 PM , very high values oranges and reds are predicted over western Oregon . nbsp Such high values are associated with . thunderstorms By 8 PM , very intense precipitation will be moving into
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 13, 2024 British Columbia Deluge and A Cooler-Than-Normal August It is now clear that August will end up cooler than normal for the . region It is also certain that British Columbia can expect some very wet conditions and light rain will extend over Washington State this . weekend All in all very good news , a situation that will greatly reduce wildfire risk for the remainder of the . summer First , let's consider the expected precipitation totals for the next ten days based on the highly skillful European Center model . forecast The total through Thursday morning shows light sprinkles over western WA and more substantial amounts over BC and western Alberta By
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 08, 2024 Sustained Cooling Ahead for the Northwest The last few weeks have generally been warmer than normal , but that will soon change , replaced by a at least a week of cooling , with temperatures sliding below normal through . mid-month Consider a few forecasts . nbsp At Seattle , temperatures will reach the upper 80s on today and Friday before declining into the mid-70s from Sunday through the next weekend . nbsp Pasco , in the Columbia Basin , will rise to near 100F , before dropping into the upper 80s next . week What is going on Upper level charts for 500 hPa . about 18,000 ft reveals the . change Last night , there was a huge of high pressure ridge over
The Park Fire in California initiated two weeks ago and portions of the fire perimeter are still ablaze at the time of this blog entry. As of 7 August 2024, the Park Fire has burned 420,000 plus acres and is … Continue reading →
: Cliff Mass Weather Blog This blog discusses current weather , weather prediction , climate issues , and current events August 04, 2024 Can the Pacific Northwest Experience Monsoon Conditions Some TV weather folks and social media outlets have discussed monsoonal moisture hitting the Northwest . nbsp Such as the clouds and attendant rain hitting eastern Washington over the past few days see satellite image from last evening But how can this be Monsoons belong in Southeast Asia , right Here in the Pacific Northwest Sure we have restaurants with the Monsoon name serving SE Asian food , but tropical meteorology seems out of place in the distinctly non-tropical Pacific . Northwest In my new podcast , I talk about the physics of monsoons and review three examples : nbsp The Indian SE Asian