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#atmosphericriver

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Alistair K<p>People are understandably focused on all the water brought by these atmospheric rivers over the past few weeks. But it is starting to worry me that they don't bring only water, but also heat. Not just some abstract heat predictable from the specific heat capacity of humid versus dry air, but so much heat that you can feel it. Of course we need to deal with flooded houses, washed-out roads, downed trees, drowned fields. But it feels to me that there's a long-term problem much bigger in the heat than in the water, and when the water is all that we talk about, the heat still comes regardless.</p><p><a href="https://mastodon.nz/tags/climate" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>climate</span></a> <a href="https://mastodon.nz/tags/atmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericRiver</span></a> <a href="https://mastodon.nz/tags/Nelson" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nelson</span></a> <a href="https://mastodon.nz/tags/flood" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>flood</span></a></p>
Mark Ingalls<p>New article: Wet weekend ahead for B.C. North Coast and Interior</p><p><a href="https://ingallswx.com/2025/07/10/wet-weekend-ahead-for-b-c-north-coast-and-interior/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">ingallswx.com/2025/07/10/wet-w</span><span class="invisible">eekend-ahead-for-b-c-north-coast-and-interior/</span></a></p><p><a href="https://mstdn.ca/tags/BCstorm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BCstorm</span></a> <a href="https://mstdn.ca/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://mstdn.ca/tags/weather" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>weather</span></a></p>
BakersRelay<p><a href="https://m.ai6yr.org/tags/SevereWeather" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SevereWeather</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p><p>From CNN.com: This notorious West Coast phenomenon fueled historic floods in the East. Another one is on the way</p><p><a href="https://www.cnn.com/2025/04/18/weather/kentucky-floods-atmospheric-river-climate?cid=ios_app" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cnn.com/2025/04/18/weather/ken</span><span class="invisible">tucky-floods-atmospheric-river-climate?cid=ios_app</span></a></p>
Ramesh #NotGoingBack<p><a href="https://mastodon.social/tags/Chicago" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Chicago</span></a> high-rises above low clouds — just now. </p><p>On the left is <a href="https://mastodon.social/tags/TrumpTower" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TrumpTower</span></a>. On the right is <a href="https://mastodon.social/tags/WillisTower" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WillisTower</span></a>, formerly known as <a href="https://mastodon.social/tags/SearsTower" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SearsTower</span></a>.</p><p>This is a full-color photo, not a greyscale image.</p><p><a href="https://mastodon.social/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
AI6YR Ben<p>Mesoscale Precipitation Discussion 0059<br>NWS Weather Prediction Center College Park MD<br>1005 PM EDT Wed Mar 12 2025</p><p>Areas affected...portions of southern California</p><p>Concerning...Heavy rainfall</p><p>Valid 130205Z - 131405Z</p><p>Summary...A frontal band will translate from west to east across<br>southern California coastal ranges, resulting in 1-2 inch rainfall totals - highest in terrain-favored areas. This rainfall will<br>affect burn scars across the region, posing a risk of runoff,<br>flash flooding, and debris flows through at least 13Z/6a PDT.</p><p>(More)</p><p><a href="https://www.wpc.ncep.noaa.gov/metwatch/metwatch_mpd_multi.php?md=0059" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">wpc.ncep.noaa.gov/metwatch/met</span><span class="invisible">watch_mpd_multi.php?md=0059</span></a></p><p><a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
AI6YR Ben<p>Great weather overview on what to expect from the incoming California atmospheric river from <span class="h-card" translate="no"><a href="https://mastodon.social/@SeattleWXGuy" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>SeattleWXGuy</span></a></span> <span class="h-card" translate="no"><a href="https://bsky.brid.gy/r/https://bsky.app/profile/seattlewxguy.bsky.social" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>seattlewxguy.bsky.social</span></a></span> </p><p>Well worth a watch!</p><p><a href="https://www.youtube.com/watch?v=SJ76Dt0_Edw" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=SJ76Dt0_Ed</span><span class="invisible">w</span></a></p><p><a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/weather" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>weather</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
AI6YR Ben<p>Significant number of winter weather warnings/watches in the mountains, flood warnings at lower elevations. <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
Visions of Napa<p>Birds waiting for the atmospheric river to roll in. My new earworm is "Birdies On The Storm" by The Doors.</p><p><a href="https://sfba.social/tags/Napa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Napa</span></a> <a href="https://sfba.social/tags/Califoria" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Califoria</span></a> <a href="https://sfba.social/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://sfba.social/tags/birds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>birds</span></a></p>
AI6YR Ben<p>Oooh, grainy picture of a swirling thing in the atmosphere off the coast of California!</p><p>(not here yet, it's rather warm out and sunny. I have to bicycle to the grocery store before it starts raining.)</p><p><a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a></p>
AI6YR Ben<p>Computer models say, YES, Atmospheric River inbound on Wednesday to Santa Barbara/Ventura/Los Angeles/San Diego. <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
AI6YR Ben<p>Possible atmospheric river all the way to Los Angeles county this week. We can use it.</p><p><a href="https://m.ai6yr.org/@nws_bot/114129108115349807" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">m.ai6yr.org/@nws_bot/114129108</span><span class="invisible">115349807</span></a></p><p><a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
AI6YR Ben<p>Incoming atmospheric river for Washington and Oregon <a href="https://m.ai6yr.org/tags/WAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WAwx</span></a> <a href="https://m.ai6yr.org/tags/ORwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ORwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> </p><p><a href="https://www.wpc.ncep.noaa.gov/metwatch/metwatch_mpd_multi.php?md=0050" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">wpc.ncep.noaa.gov/metwatch/met</span><span class="invisible">watch_mpd_multi.php?md=0050</span></a></p>
DoomsdaysCW<p><a href="https://kolektiva.social/tags/Mudslides" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mudslides</span></a>, 126-mph winds and feet of snow pummel <a href="https://kolektiva.social/tags/California" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>California</span></a> amid <a href="https://kolektiva.social/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p><p>The biggest storm so far this winter blasted California with <a href="https://kolektiva.social/tags/flooding" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>flooding</span></a> <a href="https://kolektiva.social/tags/downpours" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>downpours</span></a>, <a href="https://kolektiva.social/tags/hurricane" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hurricane</span></a>-force winds and feet of <a href="https://kolektiva.social/tags/snow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>snow</span></a> in the mountains. Some of the worst damage occurred near the <a href="https://kolektiva.social/tags/BurnScars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BurnScars</span></a> from January's deadly <a href="https://kolektiva.social/tags/fires" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fires</span></a>.</p><p>By Brian Lada, AccuWeather meteorologist and senior content editor</p><p>Published Feb 14, 2025 </p><p>"Mudslides, flooding downpours and feet of mountain snow were unleashed across California as the biggest storm so far this winter hit the state, including areas devastated by deadly <a href="https://kolektiva.social/tags/wildfires" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wildfires</span></a> in January.</p><p>"Evacuations were ordered and roads were shut down near the burn scars of the <a href="https://kolektiva.social/tags/PalisadesFire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PalisadesFire</span></a> and the <a href="https://kolektiva.social/tags/EatonFire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EatonFire</span></a> due to the risk of mudslides, flash flooding and debris flows, including a stretch of the <a href="https://kolektiva.social/tags/PacificCoastHighway" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PacificCoastHighway</span></a> between <a href="https://kolektiva.social/tags/Malibu" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Malibu</span></a> and <a href="https://kolektiva.social/tags/SantaMonica" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SantaMonica</span></a>.</p><p>"A person with the Los Angeles Fire Department was swept away in a vehicle amid the flooding but managed to escape with only minor injuries, according to The Associated Press. </p><p>"Bulldozers were needed to clear feet of mud, rock and debris from some roads as the heavy rain ran off the charred mountainsides.</p><p>"'Over 10 inches of rain fell in some areas, including 10.87 at Manchester, on the coast west of <a href="https://kolektiva.social/tags/Sacramento" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sacramento</span></a>, and 9.89 inches at Mining Ridge, 90 miles south of <a href="https://kolektiva.social/tags/SanJose" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SanJose</span></a>,' AccuWeather Meteorologist and Digital Producer Jesse Ferrell said.</p><p>"Rain even fell in California's <a href="https://kolektiva.social/tags/DeathValley" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DeathValley</span></a> National Park, with 0.18 of an inch falling in the hottest place in North America. In an entire year, the remote park typically measures 2.20 inches of rain."</p><p>Read more:<br><a href="https://www.accuweather.com/en/winter-weather/mudslides-126-mph-winds-and-feet-of-snow-pummel-california-amid-atmospheric-river/1745097#google_vignette" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">accuweather.com/en/winter-weat</span><span class="invisible">her/mudslides-126-mph-winds-and-feet-of-snow-pummel-california-amid-atmospheric-river/1745097#google_vignette</span></a><br><a href="https://kolektiva.social/tags/ClimateCrisis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateCrisis</span></a> <a href="https://kolektiva.social/tags/ClimateThreats" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateThreats</span></a> <a href="https://kolektiva.social/tags/ClimateCatastrophe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ClimateCatastrophe</span></a> <a href="https://kolektiva.social/tags/ExtremeWeather" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ExtremeWeather</span></a> <a href="https://kolektiva.social/tags/Polycrisis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Polycrisis</span></a></p>
AI6YR Ben<p>It's torrential in my part of Ventura County at 3:20pm. <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
Joseph Elfelt<p>When this map opens it is centered on the <a href="https://m.ai6yr.org/tags/EatonFire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EatonFire</span></a> area and shows the drainage ways with a black dot at the low end of each one. The map also shows the weather radar with yellow areas indicating heavier rain than green areas. </p><p>There is concern that heavy rains may cause <a href="https://m.ai6yr.org/tags/DebrisFlow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DebrisFlow</span></a></p><p>You can drag the map over to the area of the <a href="https://m.ai6yr.org/tags/PalisadesFire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PalisadesFire</span></a> and see the same thing.<br><a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> </p><p>Open GISsurfer map:<br><a href="https://mappingsupport.com/p2/gissurfer.php?center=34.198322,-118.093758&amp;zoom=12&amp;basemap=Open_Topo_Map&amp;overlay=USA_weather_radar,All_stream_river_lake,2025_segment_combined_hazard,2025_basin_outlet&amp;txtfile=https://mappingsupport.com/p2/special_maps/disaster/fires_debris_flow.txt" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mappingsupport.com/p2/gissurfe</span><span class="invisible">r.php?center=34.198322,-118.093758&amp;zoom=12&amp;basemap=Open_Topo_Map&amp;overlay=USA_weather_radar,All_stream_river_lake,2025_segment_combined_hazard,2025_basin_outlet&amp;txtfile=https://mappingsupport.com/p2/special_maps/disaster/fires_debris_flow.txt</span></a></p>
AI6YR Ben<p>Thursday looks wet... (probably a good thing) <a href="https://m.ai6yr.org/tags/rain" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rain</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/SanDiego" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SanDiego</span></a> <a href="https://m.ai6yr.org/tags/LosAngeles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LosAngeles</span></a></p>
BakersRelay<p><a href="https://m.ai6yr.org/tags/California" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>California</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://m.ai6yr.org/tags/DebrisFlow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DebrisFlow</span></a></p><p>From Los Angeles Times: Powerful new rainstorm brings risk of debris flows to L.A. fire zones this week</p><p><a href="https://www.latimes.com/california/story/2025-02-10/after-devastating-fires-california-faces-threat-of-landslides-how-do-they-work" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">latimes.com/california/story/2</span><span class="invisible">025-02-10/after-devastating-fires-california-faces-threat-of-landslides-how-do-they-work</span></a></p>
BakersRelay<p><a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p><p>From the Los Angeles Times: Record-breaking rain lashes California, with more on the way</p><p><a href="https://www.latimes.com/california/story/2025-02-06/second-storm-to-hit-l-a-thursday-chances-for-significant-rain-next-week-rise" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">latimes.com/california/story/2</span><span class="invisible">025-02-06/second-storm-to-hit-l-a-thursday-chances-for-significant-rain-next-week-rise</span></a></p>
BakersRelay<p><a href="https://m.ai6yr.org/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://m.ai6yr.org/tags/PineappleExpress" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PineappleExpress</span></a> <a href="https://m.ai6yr.org/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a> <a href="https://m.ai6yr.org/tags/SoutherCalifornia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SoutherCalifornia</span></a> </p><p>From Los Angeles Times: ‘Pineapple express’ storm arrives in Southern California after pounding the Bay Area</p><p><a href="https://www.latimes.com/california/story/2025-02-05/pineapple-express-storm-arrives-in-southern-california-after-pounding-the-bay-area" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">latimes.com/california/story/2</span><span class="invisible">025-02-05/pineapple-express-storm-arrives-in-southern-california-after-pounding-the-bay-area</span></a></p>
Cavedale Rhônes<p>How’s this for a frontal passage (Sonoma County)? Temperature drop, wind drop, 180 degree wind direction, rain surge and drop off, and barometer bottoming out. <a href="https://sfba.social/tags/CAwx" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CAwx</span></a> <a href="https://sfba.social/tags/AtmosphericRiver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericRiver</span></a></p>
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