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Wednesday, March 5, 2014

First measurement flight: Research aircraft HALO explores trade wind clouds

Which climate effects do clouds have? Under what conditions will they warm or awesome the climate? Today, after greater than 5 years of preparation, the specifically outfitted research aircraft HALO (Thin Air and Lengthy Range Research Aircraft) will take off because of its first measurement flight in atmospheric research. Prof. Bjorn Stevens and Dr. Lutz Hirsch in the Max Planck Institute for Meteorology (MPI-M) leave Oberpfaffenhofen in Germany for any ten-hour flight to Barbados.

They'll operate numerous calculating instruments aboard HALO with respect to the German atmospheric research: "Each day we've eagerly looked forward to," states Stevens. "It's the initial pursuit to exploit the novel abilities of HALO to determine vertical profiles of aspects of atmospheric water -- like vapor, liquid and ice, both in cloud and precipitation forms, along with the aerosol contaminants where cloud tiny droplets form -- from the thin air. A brand new era of airborne atmospheric research." The aircraft, outfitted with a lot of advanced technology, is definitely an initiative by German climate and environment research institutions (see below) and it is run by the German Aerospace Center (DLR).

The flight belongs to the NARVAL project (Next-generation Aircraft Remote-Realizing for Validation Studies) and can supply the researchers with increased more information around the metabolic rate of tropical clouds (Fig. 1). The transatlantic plane tickets from Oberpfaffenhofen to Barbados will complement the stationary dimensions from the cloud observatory on Barbados. The collected data will lead to some better knowledge of cloud and precipitation processes and will assist you to reduce questions in climate models.

Remote realizing instruments, situated within the "Belly Pod" beneath the aircraft?s shell, will identify vertical profiles of humidity and temperature and also the distribution of tiny droplets and aerosols (Fig. 2). Furthermore, so-known as dropsondes is going to be launched throughout the flight. These radiosondes usually ascend from Earth with the aid of a weather balloon and perform dimensions enroute with the atmosphere. This time around, they'll be came by parachute and can glide back down.

The very first measurement flight is really a joint project from the MPI-M using the Meteorological Institute from the College Hamburg, DLR, Colleges of Perfume, Leipzig and Heidelberg and also the Forschungszentrum J?lich. It will require the researchers on the lengthy-haul flight to Barbados, in which the MPI-M cloud observatory is situated, and back. Ideally, comparison dimensions using the satellite CloudSat is going to be carried out throughout the plane tickets. The satellite measures the Atlantic clouds in trajectories crosswise towards the flight route. Short plane tickets of HALO in parallel using these satellite trajectories have the ability to ensure the satellite?s dimensions (Fig. 3): the aircraft flies in a lower altitude compared to satellite and may therefore identify the clouds a lot more accurate.

As a whole, the environment route Oberpfaffenhofen -- Barbados and back ought to be flown three occasions in December 2013 ("NARVAL South"). Throughout the 2nd flight, a nearby flight from Barbados eastward with the trade wind clouds is planned. The goal would be to identify clouds which are directly at risk of the Barbados cloud observatory and also to do a comparison towards the land-based cloud observatory data.

The 2nd area of the mission is going to be completed underneath the direction from the College Hamburg in The month of january ("NARVAL North"). HALO depends on Iceland to look at the backsides of fronts within the North Atlantic. The quantity of precipitation around the backsides of fronts is really a questionable subject in science because satellite findings and model information provide spun sentences. "Measured values are missing?? because ships don't sail during these typical storm zones" states principal investigator Prof. Felix Ament in the Center for Earth System Research and Sustainability (CEN), College of Hamburg. "A effective HALO mission could provide important details and eliminate a 'blank spot' into the spotlight of science."

The study aircraft HALO is definitely an initiative by German climate and environment research institutions. HALO is funded by: Federal Secretary of state for Education and Research (BMBF), German Research Foundation (DFG), Helmholtz Association, Max Planck Society, Leibniz Association, Free Condition of Bavaria, Karlsruhe Institute of Technology (Package), GFZ German Research Center for Geosciences, Forschungszentrum J?lich and German Aerospace Center (DLR)


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Tuesday, March 4, 2014

Get accustomed to prolonged high temperatures: Extreme El Nino occasions to double

Extreme weather occasions fueled by abnormally strong El Ninos, like the 1983 heatwave that brought towards the Ash Wednesday bushfires around australia, will probably double in number as our world warms up.

An worldwide team of researchers from organizations such as the ARC Center of Excellence for Climate System Science (CoECSS), the united states National Oceanic and Atmospheric Administration and CSIRO, released their findings within the journal Character Global Warming.

"We presently receive an abnormally strong El Ni?o event every two decades. Our studies have shown this can double to 1 event every ten years,Inch stated co-author, Dr Agus Santoso of CoECSS.

"El Nino occasions really are a multi-dimensional problem, and just now shall we be beginning to know better the way they react to climatic change," stated Dr Santoso. Extreme El Ni?o occasions develop in a different way from standard El Ninos, which first come in the western Off-shore. Extreme El Nino's occur when ocean surface temps exceeding 28?C develop within the normally cold and dry eastern equatorial Gulf Of Mexico. This different place for the foundation from the temperature

increase causes massive alterations in global rain fall designs.

"The issue of methods climatic change can change the regularity of utmost El Ni?o occasions has challenged researchers in excess of two decades,Inch stated co-author Dr Mike McPhaden people National Oceanic and Atmospheric Administration.

"These studies may be the first comprehensive study of the problem to create robust and convincing results," stated Dr McPhaden.

The impacts of utmost El Ni?o occasions include every region around the world.

The 1997-98 event alone triggered $35-45 US billion in damage and stated an believed 23,000 human lives worldwide.

"Throughout a serious El Ni?o event nations within the western Off-shore, for example Australia and Indonesia, experienced devastating droughts and wild fires, while catastrophic surges happened within the eastern equatorial region of Ecuador and northern Peru," stated lead author, CSIRO's Dr Wenju Cai

Around Australia, the drought and dry conditions caused through the 1982-83 extreme El Ni?o preconditioned the Ash Wednesday Bushfire in southeast Australia, resulting in 75 deaths.

To attain their results, they examined 20 climate appliances consistently simulate major rain fall reorganization throughout extreme El Ni?o occasions. They found a considerable rise in occasions in the present-day with the next a century because the eastern Gulf Of Mexico warmed as a result of climatic change.

"This latest research according to rain fall designs, indicates that extreme El Ni?o occasions will probably double in frequency because the world warms up resulting in direct impacts on extreme weather occasions worldwide."

"For Australia, this might mean summer time prolonged high temperatures, like this lately familiar with the south-east of the nation, might get yet another boost when they coincide with extreme El Ninos," stated co-author, Professor Matthew England from CoECSS.


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Monday, March 3, 2014

Another intending to rainwater: Top worst weather places on the planet

Ever wondered what places on the planet feel the worst weather? Erectile dysfunction Darack has. His article, "The Ten Worst Weather Places on the planet,Inch featured within this month's problem of Weatherwise magazineattempts to title the very best ten places on the planet that constantly feel the most extreme weather. Inverting our passion for "the grass is definitely eco-friendly" lists, (best beaches, places to reside, vacation, etc.), Darack looks into the very best ten places on the planet using the worst weather.

Darack defines "bad" weather, exactly what a "place" includes, and also the research into the conditions themselves. However, because of the possible lack of comprehensive global meteorological research, mainly in the toughest environments in which the risk to human existence is important, Darack depends on the accessible data as well as an effort to become objective.

Oymyakon, Republic of Sakha, Russian Siberia ranks number ten out there. It's been recorded, however with dispute, that Oymyakon has arrived at the cheapest temperature of Earth outdoors of Antarctica and also the very coldest permanently lived on place at -89.9?F. Normally, it drops to -50?F every evening. Also, it is among the places in the world using the finest annual swing rising to 86?F throughout the summer time.

Number six out there is Gandom-e Beryan, Dasht-e Lut, Iran, which is renowned for the most popular land surface temperature ever recorded. Using data from NASA's Earth Watching System's Aqua satellite, calculating your skin temperature from the planet, Gandom-e Beryan arrived at an astounding 159.3?F during the period of 2003-2009.

Next we go to the entire shoreline of Antarctica, which stands at number 3, less for that temperature, although very freezing, for the storms. The driest region meeting the earth's most tumultuous sea, the Southern Sea, leads to almost constant storms racing round the region. Additionally, extreme katabatic wind is another factor. At Cape Dension in Commonwealth Bay in 1995 a wind speed of 129mph was measured. The greatest wind speed ever recorded in Antarctica was 199mph.

Discover which other areas made their email list by being able to access "The Ten Worst Weather Places on the planetInch free before the finish of December 2013: http://world wide web.weatherwise.org/Archives/Back%20Issues/2013/November-December%202013/10_worst_full.html

Story Source:

The above mentioned story is dependant on materials supplied by Taylor

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Sunday, March 2, 2014

Clues to how plants developed to deal with cold

Scientists have discovered new clues to how plants developed to resist iciness. Inside a study to look within the December 22 problem from the journal Character, they built an transformative tree in excess of 32,000 types of flowering plants -- the biggest time-scaly transformative tree up to now. By mixing their tree with freezing exposure records and leaf and stem data for 1000's of species, the scientists could rebuild how plants developed to deal with cold because they spread around the world. The outcomes claim that many plants acquired qualities that assisted them thrive in cooler environments -- for example dying to the roots in the winter months -- lengthy before they first experienced freezing.

Fossil evidence and reconstructions of past weather conditions claim that early flowering plants resided in warm tropical conditions, described co-author Jeremy Beaulieu in the National Institute for Mathematical

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Saturday, March 1, 2014

World temperature records available via Google Earth

Climate scientists in the College of East Anglia make the earth's temperature records available via Google Earth.

The Weather Research Unit Temperature Version 4 (CRUTEM4) land-surface air temperature dataset is among the most broadly used records from the climate system.

The brand new Google Earth format enables customers to scroll all over the world, focus on 6,000 weather stations, and examine monthly, periodic and annual temperature data easier than in the past.

Customers can drill lower to determine some 20,000 graphs -- most of which show temperature records dating back 1850.

The move belongs to a continuing effort to create data about past climate and global warming as accessible and transparent as you possibly can.

Dr Tim Osborn from UEA's Weather Research Unit stated: "The good thing about using Google Earth is you can instantly see in which the weather stations are, focus on specific nations, and find out station datasets a lot more clearly.

"The information itself originates from the most recent CRUTEM4 figures, that have been freely on our website and through the Met Office. But we would have liked to create this key temperature dataset as interactive and user-friendly as you possibly can.Inch

Google's Earth interface shows the way the globe continues to be split up into 5? latitude and longitude power grid boxes. The boxes are about 550km wide across the Equator, thinning for the South and north rods. This red-colored and eco-friendly checkerboard covers the majority of Earth and signifies regions of land where station data can be found. Hitting a power grid box discloses the area's annual temps, in addition to links to more in depth downloadable station data.

But as the new initiative does allow greater ease of access, the study team do anticipate finding errors.

Dr Osborn stated: "This dataset combines monthly records from 6,000 weather stations all over the world -- most of which go as far back greater than 150 years. That's lots of data, therefore we would anticipate seeing a couple of errors. We greatly persuade folks to alert us to the records that appear unusual.

"You will find some gaps within the power grid -- it is because you will find no weather stations in remote areas like the Sahara. Customers could also place the location of some weather stations isn't exact. It is because the data we've concerning the latitude and longitude of every station is restricted to at least one decimal place, therefore the station markers might be a couple of kms in the actual location.

"This is not an issue scientifically since the temperature records don't rely on the actual location of every station. But it's a thing that will improve with time weight loss detailed location information opens up.Inch

This new initiative is referred to inside a new information paper released on Feb 4 within the journal Earth System Science Data (Osborn T.J. and Johnson P.D., 2014: The CRUTEM4 land-surface air temperature dataset: construction, previous versions and distribution via Google Earth).

The CRUTEM4 data set can be obtained from doi:10.5285/EECBA94F-62F9-4B7C-88D3-482F2C93C468.


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