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# Topic: Millibar

 Millibar - Wikipedia, the free encyclopedia A millibar (mbar, also mb) is 1/1000th of a bar, a unit for measurement of pressure. The millibar was introduced by Sir Napier Shaw in 1909, and internationally adopted in 1929. The unit millibar is still used although official use is gradually changing to hPa which is the numerically equivalent SI unit. en.wikipedia.org /wiki/Millibar   (221 words)

 Millibar - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-19) A millibar (mb) is 1/1000th of a bar, a unit for measurement of pressure. The SI unit is the pascal (Pa), with 1 millibar = 100 pascals (a hectopascal) The millibar unit was introduced by Sir Napier Shaw in 1909, and internationally adopted in 1929. www.lighthousepoint.us /project/wikipedia/index.php/Millibar   (133 words)

 FORECASTING USING THE 500 MILLIBAR CHART   (Site not responding. Last check: 2007-10-19) The 500 millibar chart represents the pressure level in about the middle of the atmosphere (about half the earth's atmospheric mass is below this level and half is above). The 500 millibar chart is one of the best charts for studying the following: vorticity advection, the trough/ridge pattern, and shortwaves. Positive vorticity (shown on 500 mb vorticity charts) is highest where the winds have to follow a curved counterclockwise path and areas with strong speed shear (wind speed increasing away from the center of a trough on the 500 millibar plane). www.theweatherprediction.com /habyhints/25   (239 words)

 The 850mb Zero-Degree Isotherm   (Site not responding. Last check: 2007-10-19) The temperature in the middle of the “critical layer” (at around 850 millibars) is just under 0°C. There is a layer of air near the surface that is above freezing, but it is not thick enough to allow falling snow enough time to melt. Figure 2.1 This is plot of 850 millibar temperatures for the storm on January 19, 2001. Used properly, the 850 millibar map is a good starting point in the quest to determine the fine line between rain and snow. www.personal.psu.edu /users/l/m/lmb305/850iso.htm   (815 words)

 Flexible Framing Anchor Straps - Details   (Site not responding. Last check: 2007-10-19) The KevlarÂ® MillibarÂ® framing anchor may be used to resist those forces by anchoring the roof to the wall and the wall down to the foundation. Since KevlarÂ® MillibarÂ® has not been approved as a lateral wall bracing and roof uplift system, it cannot substitute for reinforced wall sheathing or braced shear walls required by code, unless certified by a Registered Professional Engineer. KevlarÂ® MillibarÂ® straps may be installed in shear walls in a typical crossbracing "X" or "V" pattern. www.toolbase.org /tertiaryT.asp?TrackID=&CategoryID=1402&DocumentID=2049   (519 words)

 The Artist's Harem Indifferent to the Vision of the Floating Hairy Breasts   (Site not responding. Last check: 2007-10-19) However, he was unprepared for the long months of isolation the job entailed, and quickly succumbed to "pshepherd's psychosis," wherein he would hold long meaningful conversations with his ovine charges, also engaging in head-butting contests with rams from other herds. His analyst suggested art as a therapy, and thereafter Millibar could be seen in the fields hard at work at his easel while supervising his flock. Millibar ended his days in the La Salpêtrière asylum, convinced that he was the Great Ram mentioned in the Apocalypse of St John. www.dearauntnettie.com /museum/museum-millibar.htm   (255 words)

 Build Your Own Planet :: Mars Astrobiology Magazine :: Search for Life on Mars a dense carbon dioxide layer is not necessary (>1000 millibar). This primitive Mars can be approximated by adding 300 to 600 millibars of carbon dioxide P CO back to the atmosphere. Melting dry ice from the entire southern polar cap is predicted to give Mars an atmosphere on the order of 50 to 100 millibar (or 5-10 % of the Earth's atmosphere). mars.astrobio.net /news/article61.html   (886 words)

 The Winds of Flight The 500 millibar level is usually though of as the bottom of the Jet Stream, which seems to peak out at 300 millibars or even higher. The height of the 500 millibar surface is lowest in the Arctic, where the lack of sunlight in winter causes it to be cold. Other charts such as the 200 millibar are regularly drawn but they generally don't have much additional different information for pilots who don't have turbochargers mounted on their engines. www.his.com /~henry/chap2.htm   (5259 words)

 700 millibar Help Page The 700 millibar level is considered part of the midlevels of the atmosphere. In mountain regions, or areas of higher elevation, the 700 millibar layer acts more like the lower levels..much like 850 millibars is to areas in lower elevations. When forecasting thunderstorms, it may be important to contour the temperatures as to find areas of cold mid-level temperatures for instability, warm temperautes to inhibit convection, and cold and warm advection areas to figure out areas in which a cap may be breaking or strengthenging and if the layer is destablizing. weather.cod.edu /help/700help.html   (474 words)

 * Millibar - (Boating): Definition millibar A unit of pressure used to measure the pressure of the atmosphere. An instrument that measures atmospheric pressure in inches or millibars of mercury Light, thin strips of wood or plastic inserted in batten pockets in the sail to stiffen the sail and extend the leech... en.mimi.hu /boating/millibar.html   (82 words)

 Millibar from LAMMHULTS The new bar stool Millibar from Lammhults breathes lightness and strength at the same time. The base, in powder coated or chromium plated steel tubing, appears as a silhouette through the transparent seat, creating an interesting expression. Millibar is the second product by Anya Sebton to be incorporated into the Lammhults collection. www.scandinaviandesign.com /lammhults/millibar.htm   (129 words)

 JetStream - An Online Weather School: Air Pressure Millibars comes from to the original term for pressure "bar". A millibar is 1/1000th of a bar and is the amount of force it takes to move an object weighing a gram, one centimeter, in one second. So, while the average altitude of the 500 millibar level is around 18,000 feet (5,600 m) the actual elevation will be higher in warm air than in cold air. www.srh.noaa.gov /jetstream/atmos/pressure.htm   (1114 words)

 Hectopascals? No! No! Never! Millibars flying under their true colors are obsolete, but still better than hectopascals. This acceptability for limited use applies to millibars under their own name, and does not change the fact that kilopascals are to be preferred over millibars. Millibars are outdated, but at least they were once proper units of pressure. ourworld.compuserve.com /homepages/Gene_Nygaard/hectopas.htm   (2163 words)

 Safety Item Altimeter Setting Procedures If you are flying to an airport, where the barometer pressure is less than the airport you left from, then if the altimeter was not adjusted for the new setting the altimeter would over read by 30ft for every millibar the pressure had dropped. If the Heathrow pressure is standard 1013 millibars and you are flying to Manchester which is in a low pressure area. Above transition level (6000ft for climbing aircraft in the London Area) the altimeter is set to 29.92 or 1013 millibars and all heights are referred to as Flight Levels. www.avsim.com /geoffschool/combined/Altimeter.htm   (682 words)

 Astrobiology Magazine :: Search for Life in the Universe While the atmospheric physics of warming a planet may be simplified, the practical engineering is still daunting. The three reservoirs of carbon dioxide on Mars - the atmosphere, the dry ice in the polar caps, and gas adsorbed in the soil - provide a positive feedback, since warming will outgas or melt this greenhouse gas, thickening the atmosphere further to trap more sunlight and thus dramatically accelerating Martian habitability. Millibar (mbar) x 0.0145 = Pounds-force per square inch (psi; Ibf/in2; Ib/in2) astrobio.net /news/terraform.php   (969 words)

 Class Notes September 13-17 Pressure observations are taken at very specific altitudes based on half of the sea level pressure, which is 1000 millibar. Hence, the next observation from sea level will be at 500 millibar and the altitude is 1800 feet, then 300 millibar at and altitude of 3600 feet. Though hurricanes are very visible on a pressure chart from sea level, they tend not to be very visible at higher altitude because hurricanes have their strongest winds at sea level, which tends to weaken with altitude. tornado.sfsu.edu /geosciences/classes/m302/ClassNotes/Notes_9_13_99_Sec1.html   (957 words)

 HI-TECH LCD WEATHER BAROMETERS   (Site not responding. Last check: 2007-10-19) currant Millibar readingwill change to what it was 1 hour ago. For a fraction of the cost they could have had the 6 screen Barometer and have been able to tell the weather. in the left box, the currant Millibar reading will change to what it was 1 hour ago. www.nw.com.au /ias/aadirect/html/barometer.html   (694 words)

 TROPICAL STORM BERYL 1988 Upper air analysis at 0000 UTC 3 August indicated cyclonic circulation had developed from 850 millibars upward through the 500-millibar level and a 200-millibar cut off low had formed over eastern Texas. The first sign of a surface circulation (1015-millibar) was observed at 0000 UTC 4 August on the Mississippi Coast. The lowest central pressure of 1001 millibars occured near 0600 UTC on 9 August. hurricanecentral.freeservers.com /Prelim_Reports/1988_Beryl.htm   (986 words)

 ANTARCTIC WINDS   (Site not responding. Last check: 2007-10-19) And we had the experience of a barometer drop of 103 millibar over six days. A barometer drop of 3 to 4 millibar per hour indicates a storm. The storm was so intense that even the thick ice surrounding their boat and holding it fast, proved to be no match for the power of the wind. www.pulseplanet.com /archive/Jul97/1420.html   (327 words)

 The Flight of The Millibar Messenger -- cont. | Outside Online The Flight of The Millibar Messenger -- cont. Which is why Synergy gave the Millibar Messenger(so named because a millibar is a unit of atmospheric pressure used to designate altitude) a 30-foot wingspan‹as wide as a Piper Cub. Finally, once the Millibar Messenger is aloft, the only factor Synergy can control is the angle at which the kite faces the wind—its "angle of attack." Synergy designed and built a special angle-of-attack device to operate as a connector between the line and the kite itself. outside.away.com /outside/news/200106/200106kiteman_3.adp   (998 words)

 THE 300 MILLIBAR PROG   (Site not responding. Last check: 2007-10-19) Winds within the jet stream pattern are commonly over 100 knots. A 100-knot wind does not have the same force as a 100-knot wind at the surface because the density of the air is about 70% smaller at 300 millibars than at the surface. The two jet streams forecasters are interested in at this level are the polar jet and the subtropical jet. www.theweatherprediction.com /habyhints/108   (392 words)

 HI-TECH LCD WEATHER BAROMETERS   (Site not responding. Last check: 2007-10-19) For instance if the mb (millibar) was say 1024 you would not know this on the 4 screen. All you see is the bar graph moving up or down which makes you aware that the mb is falling or rising, but you don't know by what. THE 6 SCREEN (on the fourth from the top window) actually shows you the millibar pressure This number say (1024) can change every 15 minutes as this is the timing for the atmospheric pressure sampling cycle. www.nw.com.au /ias/demo/baromete.html   (554 words)

 Millibar A millibar (mb) is a unit of measure for air pressure. Average sea level pressure is 1013.2 millibars o r29.92 inches of mercury. Please contact Michael Ritter for inquiries, permissions, corrections or other feedback. www.uwsp.edu /geo/faculty/ritter/glossary/l_n/millibar.html   (34 words)

 The Flight of The Millibar Messenger | Outside Online Synergy reaches into the well-scuffed interior of the car‹this time with a certain decorousness, as if helping a high-heeled starlet from the backseat—and retrieves the pink-and-fl nylon skin of the Millibar Messenger, a 17-pound, single-string delta kite with a 30-foot wingspan, which he designed and built himself. To send the Millibar Messenger higher than any other single-string kite in the history of flight. It rumbles like a flat tire as it reels in line—.thunka-thunka-thunka—and within seconds the Millibar Messenger is fluttering at 1,000 feet. outside.away.com /outside/news/200106/200106kiteman.adp   (726 words)

 Search Results for millibar - Encyclopædia Britannica A record low pressure of 870 millibars was measured in the eye of a typhoon in the Guam area in October 1979. The lowest pressure on land, 892 millibars, occurred in a 1935 Florida hurricane. Although these two physical variables may at first glance appear to be quite different, they... www.britannica.com /search?query=millibar&submit=Find&source=MWTEXT   (348 words)

 Millibar (Indapamide) - No Prescription, Lowest Price - Buy Online Millibar Pharmacy - Order Discount Millibar Drug ... Common uses: Millibar (Indapamide) is a diuretic used to treat high blood pressure and swelling due to excess fluid in the body. A brand of Millibar labelled as Natrilix SR made by Servier is at The Dispensary A brand of Millibar labelled as Extur by Normon, a brand of Millibar labelled as Indapamida produced by Merck, and a brand of Millibar labelled as Tertensif manufactured by Danval are at Goldpharma www.mynetmeds.com /Millibar.htm   (465 words)

 500 Millibar Weather   (Site not responding. Last check: 2007-10-19) Weather forecast- Data concerning weather conditions, produced in a weather station, also helps the prediction of weather to come, in the form of what we call weather forecast. The 500 millibar level is considered part of the midlevels of the atmosphere as well as being *near* the level on non-divergence. This is a contour plot of 500 mb height in meters with a interval of 60 meters. topweatherstation.com /500-millibar-weather.html   (969 words)

 500 Millibar Weather Charts   (Site not responding. Last check: 2007-10-19) The barometer can be a liquid- based one, using water or mercury-based, or can be an aneroid barometer, using a small metal box to determine the pressure in the atmosphere. The 500 millibar chart is one of the best charts for studying the following... are issued: upper air 500 millibar (mb) charts, surface pressure, and sea state charts... topweatherstation.com /500-millibar-weather-charts.html   (835 words)

 AccuHelp(tm) - The AccuWeather FAQ and Help Site   (Site not responding. Last check: 2007-10-19) Chart shows Flight Level 25,000-60,000 ft. cloud cover; wind speed and direction; frontal systems; and any significant weather; including turbulence, hail and icing. Hand analyzed chart shows Flight Level surface-40,000 ft. cloud cover; wind speed and direction; frontal systems; and any significant weather; including turbulence, hail and icing. Four panel chart shows current and NGM forecast 12-hr, 24-hr and 36-hr maximum/minimum lifted indexes. www.accuweather.com /www/faq/pr_difax.htm   (2783 words)

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