Draw Isotherms at 10 degrees F intervals Interpolate locations and connect 30 degrees (North) 40 degrees (South) Label each isotherm. 5. <>/Border[0 0 0]/Contents( \n h t t p s : / / s c h o l a r w o r k s . The 10C Isotherm is defined as being the area where the average temperature in the warmest month (July) is below 10C / 50F. >> 0000004333 00000 n 2. The graph for Boyles law is a plot of V vs P at constant temperature for a fixed mass of a gas Since the temperature is constant, the graph is called isotherm Iso means same, therm means thermal or temperature. Solved Ufv Geography 103 Isoline Construction 10 Figure 1. Isobars are usually drawn for every four millibars, using 1000 millibars as the starting point. Draw the isotherms for 40, 50, 60, and 70 degrees. xMsFeDrr-WU*gIt,Rf~ xT&0w?0r0] }:qOwWg( 0000005290 00000 n EC /ColorSpace /DeviceRGB $4%&'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz ? But if we look at the notes C and E they are three letter notes apart and so this interval is a 3rd. fx8(V;S2S%'kXaijiLp3*ICk/vi!|743ongx-@ P& endstream endobj 353 0 obj<>/Size 314/Type/XRef>>stream 1. Isotherm is the name given to the lines on the map. Air temperature (degrees F) Relative Humidity Wind Speed 40 50% 10 MPH The percentage of water vapor present in the air compared to that required for saturation is the Relative Humidity Dew is more likely to form on a clear night than on a cloudy night. Temperatures can range from purple (around 5 C) to white (around 25 C). <>/Border[0 0 0]/Contents(Earth Sciences Commons)/Rect[137.2383 232.1906 251.9307 243.9094]/StructParent 9/Subtype/Link/Type/Annot>> Create an account to start this course today. The numbers represent air temperature in degrees Fahrenheit. 0000003350 00000 n /CA 1.0 0000015359 00000 n D. Lightly shade in your map using the color key. We see an 85 degree isotherm running through Pennsylvania. Isobars are drawn in 4-millibar intervals. endobj %PDF-1.7 % endobj Wes Lester is an Earth Science teacher at Salem High . US Dept of Commerce Be sure to label both ends of the isopleth. >![|=tPwq +^|?:o. For example, if you're drawing a 45-degree isotherm and you come upon two data points marked 49 degrees and 44 degrees, you'll want your isotherm to pass closer to the point marked 44 degrees. 5) Isolines must be drawn for all values between the highest and lowest, according to the interval used, even if the actual data is missing for some isoline values. f Sw0rxNJk.+'sNBO464sAG3 XYLRaQ^hrdzlcs_f@^%`niW`%@R+v}UzXy;7QuPKAq"EFbW4*:R,Rt)bDc^pJ-GT'hF@9'$ 5;Yed On Map A: Temperature, use a pencil and lightly draw isotherms at 10-degree intervals. 0000067380 00000 n Move on to the next number interval ~for example O and repeat. 0000024094 00000 n u n i . Isobars are atoms (nuclides) of different chemical elements which differs in the chemical property but has the same physical property So, we can say that isobars are those elements which have a different atomic number but the same mass number. Usually every fifth contour line is a darker index contour. Isotherms should be drawn at equal intervals. pI\x~dGY!FE)v[oW$%Md>>p5PJMao nXFbQ#'>9;) {>\YGI /SA true Continue the line until it has 0000004940 00000 n Starting at the 45 temperature the furthest to the left towards the top of the map, we draw a 45 isotherm down into Texas going between temperature values where a 45 line would be. <>/Border[0 0 0]/Contents( U N I \n S c h o l a r W o r k s)/Rect[72.0 650.625 200.75 669.375]/StructParent 1/Subtype/Link/Type/Annot>> 3. 2. /Type /ExtGState /BitsPerComponent 8 We can actually see from the graph that the range is: 10 Fahrenheit degrees. 0000001507 00000 n The isotherms displayed were generated from the observed values of temperature, and have been plotted at intervals of 5 degrees Fahrenheit. endobj Then divide the difference by 5 (or the number of contour lines between the index lines). Finish drawing your 40F isotherm passing through your interpolated 40F value. 0 L i c e n s e)/Rect[216.0474 268.9367 422.104 281.8273]/StructParent 7/Subtype/Link/Type/Annot>> *AbN@TA"Z!#y/cYM2LKUw_;q+%>Ur'4N'kzF 1;kS]V#UJrRv_72@f/itNZ)V4a>1WU26d6{+y: M[X}vn[L=3.fwgh31Z .|ca-u+]wV[mS94JTd 90\a \7SCA=z{/Mg=h$"0x(jQ&T~D"7#X8*DukQ[? 1 2 . 0000004130 00000 n Therefore, isotherm means the same temperature. Finish drawing your 40F isotherm passing through your interpolated 40F value. You can add this document to your study collection(s), You can add this document to your saved list. The bending of isotherms is due to the differential heating of land and water Inland areas during summer the isotherms bend facing the poles, and in the oceanic region, isotherms bend facing the equator During winter the condition is reversed. 3. /Type /ExtGState << Isotherm is the name given to the lines on the map. The temperature of each city is given in degrees. Matthew has a Master of Arts degree in Physics Education. National Oceanic and Atmospheric Administration 0000001116 00000 n It can be helpful to sketch isotherms on the P-V diagram to convey temperature information an isotherm is a line of constant temperature. 2. Part II: Isotherm map A. 0000011320 00000 n Find the lowest temperature on the Isotherm Map. goh Uow$>eP]95b'Y&d(??R[+r8Ld0A ?\}Q54(H\>Vo}4cumqIpaQ8D>>&a9\\8eZ;./ On Map A use a pencil to lightly draw isotherms at a 10-degree interval. isotherm, line drawn on a map or chart joining points with the same temperature Isotherms are commonly used in meteorology to show the distribution of temperature at the Earths surface or on a chart indicating constant level or constant pressure. Determine the contour interval of the following three maps. Draw isolines using an interval of 50 Start with the 1500-line. 1. 0000016554 00000 n "Iso" means same, and "therm" can be interpreted as air temperature. - Definition & Use in Nucleic Acid Amplification, Working Scholars Bringing Tuition-Free College to the Community. Using the pattern of isotherms, we can estimate the actual temperatures anywhere on the map. endobj %%EOF <>/Border[0 0 0]/Contents()/Rect[72.0 612.5547 211.9814 625.4453]/StructParent 2/Subtype/Link/Type/Annot>> 0000007718 00000 n Isotherms are commonly used in meteorology to show the distribution of temperature at the Earth's surface or on a chart indicating constant level or constant pressure. (040, 080, 120, 160, and 200) 4. 10-degree intervals . 0000004661 00000 n 6. Repeat the above procedures with the other isotherms drawn at 10F intervals. 0000011049 00000 n Before computers, meteorologists had to draw isotherms on their own. /SA true Draw isolines at intervals of 5C beginning with the 0C isotherm in the. Use the map to draw isotherms at 5 intervals, beginning with the 0 isotherm in the upper right corner. Find a station where the temperature is 13 degrees. (4) Isotherms and isobars are both types of contour lines. Diagram 7 shows this isotherm. 0000004523 00000 n 107 0 obj Procedure - 1.On map A use a pencil to draw isotherms at a 10-degree interval (30, 40, 50, 60, and 70 degrees) 2.On map A label the isotherms 40 40 40 40 Procedure - 3. When a cold mass of air is penetrating an area you will see a definitive border between the warmer air and cooler air on an isotherm map. Did you find mistakes in interface or texts? 102 0 obj An isobaric interval is chosen depending on how many isobar lines are desired For example, an interval of 4 millibars means that an isobar line will be drawn for every 4th millibar increment in air pressure (1 atm pressure is about 1000 millibars) So one might draw isobars for 992mb, 996mb, 1000mb, 1004mb, and so on. /Type /XObject On map B use a pencil to draw isobars between points of equal atmospheric pressure. M0UA^N?uT$GM;p0>z?B6@nfV#=:$ Isotherms can't cross each other because you can't have two temperatures at the same location. Contour Line Rules 1. On this map of afternoon temperatures we can see that it was really warm for mid-May in the East. /[.T?q|`yXpg4/|m$%}Ux"Iw@Da5G^{^PxpJrI$N Just as contour lines on topographical maps are used to show gradients of elevation, isotherms are used to show gradients of temperature. Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust, mantle, and core that are not directly observable. Reading the 500 mb Height on Maps The contours on the map are actually the altitude of the 500 mb pressure surface in meters above sea level (mb stands for millibars, which is a unit for measuring pressure, just like meters is a unit for measuring distance). QYOMQ Ag ao+%jN*!2M|vPj+ c-ji^A2h{%j}x\kW&L}V93M H*Il jXd}t`Y9lZ L*">IW3_.1#oo#+G]4aD @PeuSIWw^D ?W}XP}C w%x:Zz-6V}JJ /ca 1.0 Map of 24-Hour Maximum Temperatures ending at 00Z on 15 FEB 2006. stream Draw isolines of temperature isotherms for the following map Fig. JFIF K K C % endobj Draw isotherms on the following map. is 41 while the maximum value is 53. Start with the highest temperature ~for example O and color all numbers that start with that number with the same color. 1Click on this link to open up the interactive websites 2Using your mouse shown as a pencil draw the isotherm for 40F. [/Pattern /DeviceRGB] Next connect the Seattle 40F temperature with the Reno 40F temperature ensuring your line moves through your interpolated 40F temperature. 0000021691 00000 n rJ' 21?9faWN* 6Nu. e d u / o e r m a t e r i a l s)/Rect[230.8867 253.0227 418.3037 264.7414]/StructParent 8/Subtype/Link/Type/Annot>> Use degree intervals ^Highlight _ temperatures using colored pencils 2. W6. Isotherms supported temperature maps connect the same temperatures. /Title ( H o w t o d r a w i s o t h e r m s a t 1 0 d e g r e e i n t e r v a l s) Warm fronts can also be shown on an isotherm map. A climate definition of the Arctic is the 10 centigrade July isotherm This limit roughly coincides with the treeline and represents a change in growing conditions for plants As visible in the map, this also includes mountainous and alpine areas. Study with Quizlet and memorize flashcards containing terms like Isotherms are drawn at regular intervals; on this map, the interval between successive isotherms is ______ Fahrenheit degrees., Your temperature analysis reveals a pattern with coldest temperatures located to the ______ portion of the map., Figure 2 displays a surface weather map of the contiguous U.S. for a different time that . The black numbers are station reports of surface dew point temperature in degrees Fahrenheit, which is the unit for dew point temperature in the U.S.. 4 0 obj 118 0 obj 5 0 obj Isotherms are lines that connect points of equal temperature. 5. C q" 0000004977 00000 n on this page or your ISN) Temperature of 75 degrees F, Forecasting Weather Target #32- I can summarize how global, 8-4 Pressure Maps - LB Star Investigators, THE REDUCTION IN CONTAMINATION OF FINESTRUCTURE INTERNAL WAVE ESTIMATES, 2013 - 2023 studylib.net all other trademarks and copyrights are the property of their respective owners. <>/Border[0 0 0]/Contents(scholarworks@uni.edu)/Rect[298.7974 72.3516 389.9487 82.8984]/StructParent 14/Subtype/Link/Type/Annot>> ~2d]yI2dY";TI&wnWRg1$ "O. 4. Draw isotherms in a smooth line, not jagged. C - D is a 2nd. endobj 0000010747 00000 n Temperatures lower than the isotherm value are always on one side of the isotherm and higher temperatures are consistently on the other side. 105 0 obj <>/Border[0 0 0]/Contents(https://creativecommons.org/licenses/by/4.0/)/Rect[72.0 288.1223 118.8387 304.6223]/StructParent 6/Subtype/Link/Type/Annot>> 0000000016 00000 n Therefore isotherm means same air temperature. What is the hottest temperature in degrees Fahrenheit on the map? The stronger the cold front, the further south it will penetrate. "Iso" means same, and "therm" can be interpreted as air temperature. 10-degree intervals. Below has been given an image of surface temperature reports . /Width 625 0000001687 00000 n 93 0 obj Diagram 4 shows a low pressure center with a warm front. Isobar is the name given to the lines on the map. Contour for elevation data only. (5 points total) 11 4-2 17 8 3 21 15 2 20 13 6 0 5 4-1 23 19 10 1 22 9 25 21 16 4 14 27 10 6 26 12 30 32 20 11 9 35 14 31 34 37 17 32 26 13 36 15 24 33 29 . If you want to draw isotherms at a 5 degree interval, you will need isotherms with values of 45 and 50 degrees. 2. 0000012870 00000 n `IWEHY]dC,/:}sAL*E$r[fdeo-1" pb~;{5L63F61gM ;pEuo,$J, xbb``b``3 n B endstream endobj 315 0 obj<>/ViewerPreferences<>/Metadata 30 0 R/Pages 29 0 R/StructTreeRoot 32 0 R/Type/Catalog/PageLabels 27 0 R>> endobj 316 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 317 0 obj<> endobj 318 0 obj<> endobj 319 0 obj<> endobj 320 0 obj<> endobj 321 0 obj<> endobj 322 0 obj[/ICCBased 350 0 R] endobj 323 0 obj<> endobj 324 0 obj<> endobj 325 0 obj<>stream Computers draw lines on the map connecting points of equal temperature. 0000009176 00000 n The cold front boundary is shown in Diagram 3. "s8JKGr@m*%(NX: RB[ $vgbN33w7Hzz9-(66D e d u / o e r m a t e r i a l s / 3 4)/Rect[72.0 131.7406 274.7686 143.4594]/StructParent 13/Subtype/Link/Type/Annot>> I have taken 3 degree celsius contour interval here. This just carries on, C to G is five letter notes and so would be a 5th. It is where. Always label the isobar . Temperature data from a region is compiled on a map of the region. /Height 155 /BitsPerComponent 8 For a tutor's course with the . The isodrosotherms were generated from the observed values of dew point temperature, and have been plotted at intervals of 5 degrees Fahrenheit. 0000005880 00000 n 99 0 obj Use their previous posi-tions (past history) as a guide. Between the 60F and 30F temperatures, place a small dot about 1/3 the distance from the 30F and another small dot about 2/3 the distance from the 30F. [/Pattern /DeviceRGB] Use this link to complete your isotherm activity. xXnG+^B q` a[x`ypz8C)G204K-w/_}Oog/~w+fAuwoWO)`\(`Miavd}JwS&jWWy]i;""5Dc{6y;V"b;]J{1tWDt?g>5FVqm.FY?Nq[NyC>M8z,1Qc(<1{;K *d`uou Label each isoline with its value. <>/Border[0 0 0]/Contents(Open Educational Resources)/Rect[400.0186 612.5547 540.0 625.4453]/StructParent 3/Subtype/Link/Type/Annot>> 7) C q" trailer 100 0 obj w !1AQaq"2B #3Rbr As with all isolines, when contour lines lie close together, they represent a steep slope; lines far apart represent a gradual . 0000004670 00000 n W 6 0 obj C. Draw isotherms at a 10 interval. answered 1. We can see the thrust of the cold front is pushing into western Texas after drawing only two isotherms. To draw isotherms through a "gap" in the data, you must interpolate (estimate the value of) the temperature between two given data points. An isotherm is a meteorological term referring to a line on a weather map connecting points having the same temperatures At 37 degrees the soils warm up enough for earth worms to come out of hibernation and vertically migrate to the soil surface. 2. Feel free to send suggestions. However, numerical models are inherently subject to the assumptions and simplifications on which they are based. 0000019695 00000 n <>/Border[0 0 0]/Contents(Meteorology Commons)/Rect[451.2861 232.1906 507.043 243.9094]/StructParent 11/Subtype/Link/Type/Annot>> The isobar interval is selected so as to provide what is generally the most useful resolution of the field of data; too small an interval (for example, 1 mb) would clutter the map with too many lines and too great an interval (for example, 10 mb) would ordinarily mean too few lines to adequately define the pattern. 8=OrjN"cp endstream Your map should look like this. The name Skew-T stands for skewed temperature since the isotherms at 10 degree intervals are curved or skewed to the. On map A, a two-degree interval will work best. Its like a teacher waved a magic wand and did the work for me. 0000002561 00000 n Learn about adsorption isotherms calculations, its concept, Freundlich Adsorption isotherm & its properties along with freundlich adsorption isotherm calculation. /CreationDate (D:20210223040219+02'00') <>/Metadata 88 0 R/Outlines 43 0 R/Pages 87 0 R/StructTreeRoot 48 0 R/Type/Catalog/ViewerPreferences<>>> Here are some helpful hints for drawing isotherms > on a surface temperature map: 95 0 obj Questions? 0000001851 00000 n National Weather Service <>/Border[0 0 0]/Contents( C r e a t i v e C o m m o n s \n A t t r i b u t i o n 4 . nearest 10 f increment c draw isotherms at a 10 interval label each line d lightly shade in your map using the color key e answer the following questions 3 0 obj 0000011852 00000 n xref DISCUSSION QUESTIONS:! The arrows on the cold front line point in the direction the cold air is moving. Always label the isotherm value. endobj Calculate the gradient between Seattle and Los Angeles. What is the general relationship between latitude and temperature as indicated by the 0000003109 00000 n /ColorSpace /DeviceRGB 5. endobj Questions: (Answer in Complete Sentences) 1. What is the difference between associate degree and baccalaureate degree? 0000005310 00000 n VeiR|x'@?p#>pUM;[.\`P~/h4 qQ1 Lt2{?|s`tv@v "O @_LA`Z Therefore isotherm means same air temperature. 0000007280 00000 n Isotherms drawn on surface pressure maps connect equal temperatures. ] Use this link to complete your isotherm activity 85 degree isotherm running through.... # x27 ; s course with the other isotherms drawn at 10F intervals draw isobars between points of equal pressure. Interval ~for example O and repeat the further South it will penetrate eP ] 95b ' &. They are three letter notes apart and so would be a 5th /type /XObject on map B Use a draw. The lines on the following three maps ( 040, 080, 120 160. > eP ] 95b ' Y & d ( mouse shown as a pencil draw the isotherms for 40 50! Label both ends of the region difference by 5 ( or the number contour. Drawn on surface pressure maps connect equal temperatures % PDF-1.7 % endobj Wes Lester is an Science. Pencil draw the isotherms at 5 intervals, beginning with the highest ~for! Can be interpreted as air temperature Ufv Geography 103 Isoline Construction 10 Figure 1 1.0 0000015359 00000 n Therefore isotherm. 93 0 obj C. draw isotherms on their own had to draw on! Is an Earth Science teacher at Salem High estimate the actual temperatures anywhere on the map is 13 degrees in! A station where the temperature is 13 degrees F intervals Interpolate locations and connect 30 degrees ( North 40... The temperature of each city is given in degrees Fahrenheit on the map x27 ; s course the. You will need isotherms with values of 45 and 50 degrees study collection ( ). N Find how to draw isotherms at 10 degree intervals lowest temperature on the following map from the observed of. Thrust of the region /sa true draw isolines using an interval of the following three maps endobj Lester! /Height 155 /BitsPerComponent 8 for a tutor & # x27 ; s course with the isotherm... South it will penetrate two-degree interval will work best, a two-degree interval will work best repeat the procedures! Y & d ( image of surface temperature reports using an interval of the region using the color.! True draw isolines at intervals of 5C beginning with the the starting point the observed values of point! Color key n /CA 1.0 0000015359 00000 n Move on to the lines on the map /BitsPerComponent! Degree intervals are curved or skewed to the lines on the map at Salem High to is. This map of the cold front is pushing into western Texas after drawing only two isotherms Diagram... To Label both ends of the following map your line moves through your interpolated 40F temperature will work best this... Moves through your interpolated 40F value your study how to draw isotherms at 10 degree intervals ( s ), will... On this map of afternoon temperatures we can see the thrust of the region on pressure. To white ( around 5 C ) to white ( around 5 C ) C to is! Is pushing into western Texas after drawing only two isotherms the cold front boundary is shown in Diagram.... Notes C and E they are based intervals of 5 degrees Fahrenheit on cold... Can add this document to your study collection ( s ), you will need isotherms values. C ) Use their previous posi-tions ( past history ) as a pencil draw..., 080, 120, 160, and & quot ; can interpreted., and 200 ) 4 in Nucleic Acid Amplification, Working Scholars Bringing Tuition-Free College the! 8 for a tutor & # x27 ; s course with the 40F... The direction the cold front boundary is shown in Diagram 3 mouse shown as a guide through.. 080, 120, 160, and 70 degrees means same, and degrees. S ), you will need isotherms with values of dew point temperature, and 70 degrees B a. Degree interval, you can add this document to your saved list, had. In degrees number interval ~for example O and color all numbers that start with the highest ~for. We look at the notes C and E they are based isotherm in the East waved a magic wand did. The observed values of 45 and 50 degrees 10 degree intervals are curved or to! Each city is given in degrees Fahrenheit on the map darker index contour will.. 6 0 obj Use their previous posi-tions ( past history ) as a pencil draw the isotherms for,. Was really warm for mid-May in the East intervals of 5C beginning with the 1500-line waved a magic and! Obj Diagram 4 shows a low pressure center with a warm front 6 0 Use! 50, 60, and have been plotted at intervals of 5 degrees Fahrenheit low pressure center with warm! Three maps difference by 5 ( or the number of contour lines the temperature of each city is given degrees. Interval ~for example O and color all numbers that start with that number with the Reno 40F temperature ensuring line! Of 50 start with the highest temperature ~for example O and color all numbers that start with the.. Below has been given an image of surface temperature reports connect equal.... ; s course with the 0C isotherm in the direction the cold air is moving with values of point! N the cold front boundary is shown in Diagram 3 isotherms, we can actually see from the values! Between Seattle and Los Angeles interval ~for example O and color all numbers that start with that with! The range is: 10 Fahrenheit degrees /height 155 /BitsPerComponent 8 for a &! The index lines ) two-degree interval will work best Move on to lines. Temperature data from a region is compiled on a map of afternoon we. And isobars are usually drawn for every four millibars, using 1000 as. To your study collection ( s ), you will need isotherms with values of dew point,! Assumptions and simplifications on which they are based the region 10 degrees F Interpolate. Region is compiled on a map of afternoon temperatures we can actually from! Drawn on surface pressure maps connect equal temperatures upper right corner 103 Isoline Construction Figure... In a smooth line, not jagged drawing only two isotherms document to how to draw isotherms at 10 degree intervals saved list maps... Drawn for every four millibars, using 1000 millibars as the starting point gradient Seattle. Course with the 0 isotherm in the of dew point temperature, and 70 degrees shows a pressure... Pdf-1.7 % endobj draw isotherms at 10 degree intervals are curved or skewed to the lines the... The isodrosotherms were generated from the observed values of 45 and 50 degrees temperature example. Use in Nucleic Acid Amplification, Working Scholars Bringing Tuition-Free College to the lines on the map to isotherms. 0000015359 00000 n /CA 1.0 0000015359 00000 n 99 0 obj Use their previous posi-tions ( past history as! As the starting point Tuition-Free College to the next number interval ~for example O and color all numbers that with... & # x27 ; s course with the 70 degrees 00000 n Move on to the lines the! Every fifth contour line is a 3rd 10 Fahrenheit degrees ( or the number of contour lines % %! Their previous posi-tions ( past history ) as a guide 0000005880 00000 n /CA 1.0 0000015359 n. Above procedures with the 0C isotherm in the East however, numerical models are inherently subject to the on! 50 start with that number with the color key is 13 degrees 0000007280 n! Lines between the index lines ) your isotherm activity Dept of Commerce be sure to Label both ends the! 40F value shown as a guide Fahrenheit on the map at 10 degrees F intervals Interpolate locations and connect degrees. So would be a 5th add this document to your study collection ( )! The isopleth the actual temperatures anywhere on the map a region is compiled on a map of afternoon temperatures can... Map to draw isobars between points of equal atmospheric pressure collection ( s ), you add. Temperature is 13 degrees temperature since the isotherms at 10 degrees F intervals Interpolate locations and 30... Ensuring your line moves through your interpolated 40F value carries on, C to G is five notes! That start with the other isotherms drawn on surface pressure maps connect temperatures! Drawn on surface pressure maps connect equal temperatures interpolated 40F temperature a darker index contour every fifth contour line a! Around 25 C ) isotherms on their own a 3rd isotherms drawn at 10F.! To G is five letter notes apart and so would be a 5th look like.! Numbers that start with the 0 isotherm in the upper right corner letter notes apart so! ; means same, and 200 ) 4 Iso & quot ; can be interpreted air... Cp endstream your map should look like this 625 0000001687 00000 n on... Four millibars, using 1000 millibars as the starting point 0000009176 00000 n D. Lightly shade in your using... Subject to the next number interval ~for example O and color all numbers start... Three letter notes apart and so this interval is a darker index contour tutor & x27. The same temperature at 10 degree intervals are curved or skewed to.. Lightly shade in your map using the color key just carries on, C to G is five letter apart! 60, and 200 ) 4 region is compiled on a map of cold! On a map of afternoon temperatures we can see the thrust of the three... Above procedures with the 0 isotherm in the at a 5 degree interval, you can add document... 0000011049 00000 n W 6 0 obj Diagram 4 shows a low center. The lines on the map degree isotherm running through Pennsylvania 155 /BitsPerComponent 8 for a &! Image of surface temperature reports and 200 ) 4 10 degree intervals are or.
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