• Weather Changes this Weekend and Boater Alert

    Updated: 2010-07-31 04:58:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Friday , July 30, 2010 Weather Changes this Weekend and Boater Alert 9AM view in Seattle looking toward Mt . Rainer noon--brightening up 3PM : cool , cloudy air all mixed out and some convection over the . mountains Today was an interesting day , really dense fog and low clouds over much of the west , with some drizzle in some locations like on me as I biked in today see images above Believe it or not , when you see such low visibility it is generally a good sign--an indication of a very shallow saturated layer . Anyway , the murk rapidly evaporated away during the late morning and temperatures rose very rapidly as the thin cool layer mixed out and was

  • Friday Afternoon Weather Update – 3:20 PM

    Updated: 2010-07-30 21:20:24
    A good Friday to you! A heat advisory has been issued for the entire WVUA-TV coverage area until 7 PM on Sunday due to the extreme heat. Temperatures are well above average and could get a bit warmer over the next couple of days. This is a setup where it is easy for heat exhaustion [...]

  • Heat Advisory Until 7 PM Sunday

    Updated: 2010-07-30 21:02:44
    AN AREA OF HIGH PRESSURE BOTH AT THE SURFACE AND ALOFT WILL REMAIN PARKED JUST WEST OF THE AREA FOR THE FORESEEABLE FUTURE. DOWN RIGHT HOT CONDITIONS WILL DEVELOP ACROSS CENTRAL ALABAMA THROUGH THE WEEKEND. HIGH TEMPERATURES CLIMB INTO THE 95 TO 100 DEGREE RANGE AND HEAT INDICES JUMP INTO THE 105 TO 110 DEGREE [...]

  • weekend forecast and a winter preview

    Updated: 2010-07-29 15:50:54
    or rain. let       These graphics are from the cpc and noaa. As you can see  a transition to a moderate la-nina is likely in the coming months. Some analog years for a winter match up well with a transition from el-nino to la-nina, 95-96, 98-99, 88-89 and 07-08. 95-96 was  cold with lots of snow compared to [...]

  • Thunderstorms and Rain to the East

    Updated: 2010-07-29 06:54:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Wednesday , July 28, 2010 Thunderstorms of Rain to the East Thunderstorms and heavy rain have hit the eastern slopes of the Cascades and portions of eastern Washington and Oregon , with a little spill-over over the upper slopes of western . WA Take a look at the radar imagery tonight around 7:15 PM from the Spokane and Portland radars see below Lots of echos east of the crest with very heavy rainfall over the eastern slopes near Wenatchee and . Leavenworth The showers were so intense near Wenatchee that there was localized flooding and mudslides . Here are a few pictures courtesy of the Wenatchee World : newspaper According to the Washington State DO ,

  • Wednesday Afternoon Weather Update – 4:04 PM

    Updated: 2010-07-28 22:04:15
    A good Wednesday to you! More hot weather was dealt with today, but our temperatures are more average for this time of the year. Plus, our big warm-up in the forecast will make today’s weather feel nice. A ridge will gradually spread into the southeast, and our weather will gradually get hotter. Highs over the [...]

  • Tuesday Evening Forecast – 4:21 pm

    Updated: 2010-07-27 22:20:13
    Scattered showers and thunderstorms will continue tonight across parts of West Alabama with most rain ending around 9 – 10 pm. Otherwise look for mostly fair skies tonight and temperatures in the middle 70s.. On Wednesday, enough moisture will hang around to give us another round of scattered showers and storms after lunch. The chance [...]

  • Subtleties

    Updated: 2010-07-27 05:49:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Monday , July 26, 2010 Subtleties We are now in a stretch of magnificent summer weather , with day after day warming above normal see graphic above In fact , way above normal roughly 10F This week we will continue the sun , but with some cooling and more clouds , so we will head to more normal territory . This time of the year a key aspect of the forecast problem is deciding how much onshore flow we will have . A lot and we are cool and cloudy all day . Modest onshore flow and we get morning clouds with highs in the mid 70s . Little flow or offshore flow , 80s and . 90s A key parameter that meteorologists watch is the onshore pressure gradient or

  • The ironic relationship between dirt and rain

    Updated: 2010-07-27 04:59:22
    , , , Advanced Search News Weather Traffic Outdoors Entertainment Communities AMNW Inside KATU Family Matters Local Deals Stay Connected : Watch : live KATU News AM Northwest Live Traffic Video Video YouNews Promotions Advanced Search The ironic relationship between dirt and rain By Scott Sistek Story Created : Jul 26, 2010 at 11:57 AM PDT Story Updated : Jul 26, 2010 at 11:57 AM PDT Tools 0 Comments Email this article Print this article You News Digg this Save to Delicious Post to Facebook Share on Twitter Close Rain does a good job of washing away nature's dirt , but did you know rain can't exist without it Raindrops need some sort of particle to form officially known in the weather world as cloud condensation nuclei or CCN It's the dust , smoke and other tiny particles in the atmosphere

  • The ironic relationship between dirt and rain

    Updated: 2010-07-27 04:59:21
    , , , Advanced Search News Weather Traffic Sports Entertainment Opinion Communities KOMO 4 TV KOMO Newsradio Local Deals Blog Radar Satellite 7 Day School Delays Forecast Maps FAQ Cameras Links Ski Report Stay Connected : Watch live : KOMO 4 Listen : KOMO Newsradio Police Scanner Video YouNews Promotions Advanced Search Fisher Celebrates 100 Years The ironic relationship between dirt and rain Tools 0 Comments Email this article Print this article You News Digg this Save to Delicious Post to Facebook Share on Twitter Close By Scott Sistek Story Created : Jul 26, 2010 at 11:57 AM PDT Story Updated : Jul 26, 2010 at 11:57 AM PDT Rain does a good job of washing away nature's dirt , but did you know rain can't exist without it Raindrops need some sort of particle to form officially known in the

  • Saturday Evening Weather Update – 8:30 PM

    Updated: 2010-07-25 02:40:30
    Tuscaloosa officially made it to 100 today, which means this was the hottest day so far this year. The heat index is what made it feel so bad today, with a heat index of 107 to 110 across all of central Alabama this afternoon. A few showers and storms have cooled many of us off [...]

  • Even the NWS has a sense of humor

    Updated: 2010-07-24 16:30:43
    Greetings from Frederick, Maryland! The halfway point of our leg from New England to Asheville, NC. I am sitting in our hotel room dreading to go outside. The forecast high today is expected to be above 100 (with heat indexes almost at 110!!!). As I overlook the information over the National Weather Service webpage, I [...]

  • Gnarly, dude! Wave-like clouds spotted over Seattle

    Updated: 2010-07-24 00:29:24
    , , , , Advanced Search News Weather Traffic Outdoors Entertainment Communities AMNW Inside KATU Family Matters Local Deals Stay Connected : Watch : live KATU News AM Northwest Live Traffic Video Video YouNews Promotions Advanced Search Fisher Celebrates 100 Years Gnarly , dude Wave-like clouds spotted over Seattle Kelvin-Hemholtz clouds over Seattle , taken July 22, 2010. Courtesy : Laura Johnson By Scott Sistek Story Created : Jul 23, 2010 at 10:29 AM PDT Story Updated : Jul 23, 2010 at 10:45 AM PDT Tools 0 Comments Email this article Print this article You News Digg this Save to Delicious Post to Facebook Share on Twitter Close Several eagle-eyed readers captured photos of what looked like rolling surf in the skies over Seattle Thursday evening . But it wasn't Mother Nature Hanging 10

  • Gnarly, dude! Wave-like clouds spotted over Seattle

    Updated: 2010-07-24 00:29:23
    , , , , Advanced Search News Weather Traffic Sports Entertainment Opinion Communities KOMO 4 TV KOMO Newsradio Local Deals Blog Radar Satellite 7 Day School Delays Forecast Maps FAQ Cameras Links Ski Report Stay Connected : Watch live : KOMO 4 Listen : KOMO Newsradio Police Scanner Video YouNews Promotions Advanced Search Fisher Celebrates 100 Years Gnarly , dude Wave-like clouds spotted over Seattle Tools 0 Comments Email this article Print this article You News Digg this Save to Delicious Post to Facebook Share on Twitter Close Kelvin-Hemholtz clouds over Seattle , taken July 22, 2010. Courtesy : Laura Johnson By Scott Sistek Story Created : Jul 23, 2010 at 10:29 AM PDT Story Updated : Jul 23, 2010 at 10:45 AM PDT Several eagle-eyed readers captured photos of what looked like rolling

  • Another heavy rain threat around the corner???

    Updated: 2010-07-23 22:29:25
    1. Wednesday we had a frontal boundary move further south than expected with the last forecast update into the region at the same time a band of thunderstorms developed just south of the boundary which moved very slowly and west to east across the region resulting in flooding in particular for areas just north of [...]

  • Friday Afternoon Weather Update – 3:30 PM

    Updated: 2010-07-23 21:32:51
    A good Friday to you! We’re baking in the heat again today due to a powerful summer ridge. This ridge has kept us hot and dry over the past few days, but we will notice some changes in the forecast as we get into the weekend. As the ridge breaks down a bit, tropical storm [...]

  • Strange Clouds Explained!

    Updated: 2010-07-23 19:39:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Friday , July 23, 2010 Strange Clouds Explained Picture Courtesy of Lisa Horton Since last night I have gotten nearly a dozen emails from people in Seattle who reported seeing weird strange and even scary clouds . Above and below are nice examples of the view that many Seattle residents had Thursday evening in the hours around . sunset Picture courtesy of Andy . Bokanev Some thought the clouds looked like question marks , but in my mind they resemble breaking waves on a beach , and as we will see they have a lot in common with the seashore . phenomenon I can tell you exactly what you are seeing-- Kelvin Helmholtz instability . clouds Now that will

  • More Bonnie – 10 PM

    Updated: 2010-07-23 04:14:39
    AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT EARLIER FOUND 1500 FT FLIGHT-LEVEL WINDS OF 43 KT IN THE NORTHEASTERN QUADRANT…AND BELIEVABLE SFMR WINDS OF 35-39 KT.  BASED ON THIS TROPICAL DEPRESSION THREE WAS UPGRADED TO TROPICAL STORM BONNIE.  SATELLITE IMAGERY SINCE THAT TIME SUGGESTS LITTLE CHANGE IN STRENGTH…WITH SOUTHERLY VERTICAL WIND SHEAR DISPLACING THE CONVECTION [...]

  • Hello Bonnie – 5:15 PM

    Updated: 2010-07-23 02:52:01
    …DEPRESSION BECOMES TROPICAL STORM BONNIE… DATA FROM AN AIR FORCE HURRICANE HUNTER RECONNAISSANCE AIRCRAFT DURING THE PAST HOUR INDICATE THAT SURFACE WINDS ASSOCIATED WITH THE DEPRESSION HAVE INCREASED TO 40 MPH…65 KM/HR…AND THAT THE DEPRESSION HAS BECOME A TROPICAL STORM. SUMMARY OF 615 PM EDT…2215 UTC…INFORMATION ————————————————– LOCATION…22.9N 75.4W ABOUT 200 MI…320 KM SE OF [...]

  • Thursday Afternoon Weather Update – 4:07 PM

    Updated: 2010-07-22 22:07:51
    A good Thursday to you! It’s been another day of hot, hazy and humid conditions. Temperatures have topped out in the upper 90 to 100 degree range, with heat index values above 105 in spots. There’s not much rain to cool us off today, but rain is in the forecast later in the weekend and [...]

  • Tropical Depression # 3

    Updated: 2010-07-22 21:52:24
    AN AIR FORCE RECONNAISSANCE PLANE HAS BEEN INVESTIGATING THE DEPRESSION AND FOUND A BROAD CIRCULATION WITH PEAK WINDS AROUND 30 KNOTS AND A MINIMUM PRESSURE NEAR 1006 MB. THE CLOUD PATTERN HAS NOT BECOME ANY BETTER ORGANZIED THAN EARLIER TODAY WITH THE CENTER NOW ON THE SOUTHERN PORTION OF THE CONVECTION DUE TO SOME SHEAR. [...]

  • The Current Drought and Warmth Ahead

    Updated: 2010-07-22 04:51:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Wednesday , July 21, 2010 The Current Drought and Warmth Ahead There have been a number of complaints in the media and among some locals about our year without a summer Junuary Julember and other griping about our current . weather OK , we have generally been somewhat cooler than normal , with persistent low clouds in the morning . But one aspect of this summer has been BETTER THAN NORMAL we have been unusually dry . Your barbecues might have required a sweater but few have been rained . on Don't believe me Here are plots of normal blue line and actual red line for the past four weeks at Seattle , Stampede Pass , Yakima , and . Spokane Each location

  • One State: Different Weather

    Updated: 2010-07-17 05:22:00
    : : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Friday , July 16, 2010 One State : Different Weather It is interesting to look at the recent temperatures across the Washington State and huge variability one . sees Lets start with Quillayute Forks near the coast see graphic For most of the past two weeks it has been cooler and cloudier than normal , but they had that amazing heat wave between July 6-10th in which they greatly exceed the normal max temps . one day even getting above 90F . To do so requires offshore flow and they had that in spades that . day Then there is Seattle graphic Quite a bit better . We had the heat wave of course , but we also had some recent nice days . Average the last

  • Weather Restaurants

    Updated: 2010-07-15 06:40:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Wednesday , July 14, 2010 Weather Restaurants For those of us who love the weather , what could be better than a restaurant dedicated or named after our favorite interest Here in the Northwest a number of dining establishments are weather oriented and in this blog I will describe only a . few Well , I might as well start off with my favorite , a weather theme restaurant with a wonderful location for experiencing storms AND good : food Ivar's Mukilteo Landing restaurant--in Mukilteo right next to the ferry . dock This restaurant has a real weather story . the original facility was destroyed by surge of strong westerly winds that moved from the Pacific

  • Dangerous Heat Thursday

    Updated: 2010-07-13 23:47:47
    After a sunny and hot Wednesday with highs near 90 ridging will continue to build northeast into the region putting a cap on any cloud/ storm development. We will still have moisture moving north into the region with dewpoints rising to around 70 or the low 70’s on Thursday. Modeling currently projects highs from 94-99 [...]

  • Smoke, Dust, and Eastern Washington Wind

    Updated: 2010-07-12 23:44:00
    : , , skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Monday , July 12, 2010 Smoke , Dust , and Eastern Washington Wind Ever notice than when cool , cloudy conditions move into western Washington during the summer , eastern Washington weather can become very active with strong winds , wildfire blow-ups , and sometimes dust storms Well , it happened again today Earlier today a weak cold front trough moved through the area . Cool air and high pressure spread into the west side of the state , with a lot of it blocked by the Cascades . As a result a large pressure different built across the Cascades see model forecast for 11 AM this morning Air accelerated across the crest and even more so in gaps in the

  • Stormy Start to Week, Severe?

    Updated: 2010-07-11 17:59:31
    1. A cold front is approaching the region today with this front moving in and being along the edge of a summertime ridge bringing north a warm front clusters of thunderstorms will likely develop late tonight and last through Tuesday. Unlike past events this month more instability will be in place similar to June as the pattern once again favors [...]

  • Lenticular clouds, up close and personal

    Updated: 2010-07-10 09:28:17
    , , , , Advanced Search News Weather Traffic Outdoors Entertainment Communities AMNW Inside KATU Family Matters Stay Connected : Watch : live KATU News AM Northwest Live Traffic Video Video YouNews Promotions Advanced Search Fisher Celebrates 100 Years Lenticular clouds , up close and personal By Scott Sistek Story Created : Jul 9, 2010 at 12:57 PM PDT Story Updated : Jul 9, 2010 at 12:57 PM PDT Tools 0 Comments Email this article Print this article You News Digg this Save to Delicious Post to Facebook Share on Twitter Close Matt Zavaglia and his brother attempted to summit Mt . Adams over the holiday weekend , but were turned away just a few hundred feet from the summit due to a lenticular cloud . Those are the wave like clouds seen frequently over Mt . Rainier that look like they just

  • Maybe not so cool

    Updated: 2010-07-10 05:00:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Friday , July 9, 2010 Maybe not so cool Although some forecast outlets are going for a major cool-down into the 70s from todays 93F . it is looking more and more that it is going to be much warmer tomorrow than expected . At the point I would predict low to mid 80s . and 84F would be a good number for Sea Tac . Why do I say that The onshore push tonight will be exceedingly weak . that is evident by the lack of an onshore pressure difference . The clouds moving in overhead will work against nighttime cooling . Computer models only suggest a modest cool down aloft . And the thin stratus deck offshore evaporated this afternoon . There will be very limited

  • The Changes Have Begun

    Updated: 2010-07-09 06:40:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Thursday , July 8, 2010 The Changes Have Begun Today was a scorcher , but tomorrow Friday should be roughly 5-7F cooler . still hot , but a bit more . tolerable The thermal trough has now jumped into eastern Washington and there is now a weak onshore pressure gradient . which will push somewhat cooler air into western . Washington Sea Tac Airport is 3 degrees cooler than the same time last . night The Sand Point Profiler winds show a tremendous change see graphic This figure shows you how the winds above Seattle have changed in time . Time in GMT increases to the left and the heights are . meters The warm easterly winds are gone and the winds aloft are

  • The Perfect Heat Wave

    Updated: 2010-07-08 05:24:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Wednesday , July 7, 2010 The Perfect Heat Wave This week we are having the perfect heat wave--long enough to get the feeling of warmth , but short enough that our homes and apartment won't heat up completely before the cool-down occurs . and there will be a substantial one on . Saturday Tonight I am cooling down my house with lots of fans . I find that by putting on all the bathroom fans which draw heat out of the house coupled with four box fans in windows blowing cool air in , I can quickly get the house down to a decent temperature . The key with heat waves is to cool the house down at night . and to get shades down on the sunny side during the day

  • Forecast 7/8 -7/11

    Updated: 2010-07-08 03:57:39
    Highlights: - heat wave ending today - Thunderstorms Friday - warm and dry weekend Forecast: A large ridge of high pressure which has been over the region for several days will be in place today with mostly sunny skies and highs in the low to mid 90’s. For Friday a cold front will approach from the west bringing [...]

  • Cold Weather Hot Weather

    Updated: 2010-07-07 23:28:12
    With temperatures in New England in the 90′s over the past few days (and 100′s in some places) , we are officially in a heat wave….. ….and it sucks A lot of people complain about weather, but for me I only complain about one thing: The Heat. I cannot stand it. I currently have no [...]

  • Upcoming Heat Wave and the Start of Summer

    Updated: 2010-07-06 03:35:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Monday , July 5, 2010 Upcoming Heat Wave and the Start of Summer This year it will be very easy to note the start of summer in western Washington---it will be Tuesday , July 7th . We are just about to make the big summer transition and the change will startle you . somewhat like a meteorological slap to the . face Today , it got to 65 at the airport , when 74F is typical . 9 degrees below normal . But for the remainder of the week we will be on the other side of the climatological divide , with temperatures rising into the mid-seventies tomorrow , 80s on Wednesday , and near 90F on . Thursday Let me show you some of the weather maps and describe a key

  • Another Hot week

    Updated: 2010-07-05 18:19:59
    A strong ridge has built across the region over the past few days the ridge will be hard pressed to move out-of-the-way this week. The end result will be thunderstorms over the plains and upper midwest around the ridge and a core of hazy, hot and humid, thunderstorm free regions from the Ohio valley into [...]

  • Will the Fireworks Be Washed Out?

    Updated: 2010-07-04 07:20:00
    : skip to main skip to sidebar Cliff Mass Weather Blog This blog provides my latest forecast or comments on current weather or other topics Saturday , July 3, 2010 Will the Fireworks Be Washed Out Tomorrow night I plan on watching the Seattle fireworks from the top of my building at the UW and one piece of essential equipment will come with me . my . umbrella A weak front is approaching now , as seen in the latest satellite imagery above This system will move into western Washington tomorrow afternoon bring some light showers mainly over the northern half of the State and behind it there is a good chance of a Puget Sound convergence zone over the city see image of three hour rainfall ending at 8 PM and 11 PM So fireworks in other places should be fine , but in central PS , light rain might

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