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Terms of Use Recording wind velocity information and including it in results What value is wind measured in? WebWorld's most popular E6B Calculator, Interactive E6B Emulator Illustration W N E S Wind: 23 @ 90 WCA : +10 Course :320 Heading:330 GS : 113 TAS: 100 Heading, Ground Speed, & Wind Correction Angle Course : True Air Speed : Wind Direction : Wind Speed : Wind C orrection Angle : Heading : Ground Speed : Flight Time for Distance & Ground Speed The air is filled with foam and spray. Welcome to Omni's wind correction angle calculator. Using this information, you can compensate for the effect of wind and Wind Speed: 3. Note that the only relevant dimension of the wind reading is the magnitude of the wind vector in the direction of the forward motion of the competitor. ICON GFS Search Settings Time Timezone Local UTC Clock Format 12 hour 24 hour Animation Animation Speed Slow Medium Fast Satellite Animation Duration 3 hours 6 hours 12 hours 24 hours Satellite Animation Style Fast Smooth Units To answer that question, we need to know how the anemometer aligned with the finish straight will read the wind. How to use this calculator WebMen: Usain Bolt JAM: 19.19 s (-0.3 m/s; Berlin - 35 m; lane 5) 19.18 s: Women: Florence Griffith-Joyner USA: 21.34 s (+1.3 m/s; 85 m; lane ?) Enter Wind Speed Enter Wind Direction Enter True Airspeed Enter Course Calculated Heading Calculated Ground Speed Calculated Wind Correction Angle Privacy Policy Based on ASCE 7-10/ASCE 7-16, EN 1991 (wind and snow), NBCC 2015 (wind and snow), AS/NZS 1170, IS 875 (wind), NSCP 2015 (wind), CTE DB SE-AE (wind), IS 875, and CFE Viento. WebThat measure distance is the wind speed were looking for in our answer, a wind direction at approximately 110 and a wind speed of around 19 knots. Truthfully, though, it doesn't happen all that often. Practical formulas are presented for each event. Colorado 100: Boys Top Returning Distance Runners For 2023, Colorado 100: Girls Top Returning Field Events For 2023, Colorado 100: Girls Top Returning Sprints & Hurdlers, Colorado 100: Boys Top Returning Sprints & Hurdlers For 2023, Cookie Preferences / Do Not Sell or Share My Personal Information. Do you have feedback? In addition to our wind speed converter, you can also convert distances (e.g. Adjusting Wind for Sprints Small wind turbines are typically installed between 15 and 40 m high. WebCalculated Wind Direction = Heading, Ground Speed, And Wind Correction Angle Result can be either Knots or MPH based on consistent entry of the same designation. See wind components for any airport. Leaves and smaller twigs in constant motion. Welcome to Omni's wind correction angle calculator. the elusive nautical mile) with our calculator. Worldwide animated weather map, with easy to use layers and precise spot forecast. Enter Altitude: 3. 3: Gentle Breeze: 8 to 12 mph Twigs broken from trees. This calculator uses vector analysis to determine the correction angle for any wind speed and direction. Little if any movement with flags. Wind Headwind Crosswind W : Wh : 0.00 Wc : 0.00. WebHow to use this calculator For a given result, input the the performance in one of the boxes. Crests begin to break. A rounded wind reading of 2.0 meters per second or less is considered "wind legal" and times from that heat or attempt may be used for records, state qualifying, and For example, 100 kph is 100 x 0.6 or 60 mph. WebThe wind speed measuring unit is meters per second (m/s) and it is the standard unit for velocity and recommended by WMO. Wind Direction : Wind Speed : Gust Speed (if any) : Apply gusts at 50%. The foam is blown in well-marked streaks along the direction of the wind. Bobby Reyes, Contact Us the elusive nautical mile) with our calculator. So lets go back to our question now and look at our three possible answers and determine which one is correct. WebWind speed units & wind directions Being able to quicky convert wind speed values from units like knots, beaufort, m/s and km/h to another is quite helpful when you're in a pinch. That would result in a wind reading of +1.9 meters per second, which would be wind legal. Very high waves with long over-hanging crests. Wind felt on exposed skin. Select the wind speed with the slider. The sea is completely covered with long white patches of foam flying along the direction of the wind. This calculator uses vector analysis to determine the correction angle for any wind speed and direction. Swaying of skyscrapers may be felt, especially by people on upper floors. For your convenience, tables for conversion and wind speed impact on land and sea are provided for you to download. We will further suppose that a wind is blowing in a direction of 25 degrees south of west at a magnitude of 5.0 meters per second. WebThe wind speed measuring unit is meters per second (m/s) and it is the standard unit for velocity and recommended by WMO. Select the wind speed with the slider. Sea completely white with driving spray; visibility very seriously affected. Construction/temporary signs and barricades blow over. WebWind Pressure Calculator, Snow Calculator, and Seismic Load Calculator Easily calculate Wind Speeds, Pressures, and Forces along with Snow and Seismic Loads by Location. On the whole the surface of the sea takes on a white appearance. WebWeather radar, wind and waves forecast for kiters, surfers, paragliders, pilots, sailors and anyone else. Photo by Alan Versaw. WebCalculators | USA Track & Field Disciplines Events Programs Resources Associations Safe Sport USATF Pick 'Em News Welcome Back to Statistics Calculators Masters LDR Age Location Home; Why Off-Grid Wind; Solar+Wind; Products; Where to Buy; Support; Contact; Terms . Exceptionally high waves (small and medium-size ships might disappear behind the waves). Then, you can see what, according to the model proposed in the article, the result would have been at a wind speed of 0.0 m/s and at 2.0 m/s (maximum allowed wind assistance). Runway Number : Between 1 and 36. Using this information, you can compensate for the effect of wind and More damage to most roofing surfaces, asphalt tiles that have curled up and/or fractured due to age may break away completely. In the case of the 100, 200, and 100/110 Hurdles, the anemometer shall, once again, be withing two meters of the track (in this case, the inside edge of lane 1), and shall be placed 50 meters from the finish line. These can easily be used correct results for wind speed, allowing better talent scouting and championship selection. WebMen: Usain Bolt JAM: 19.19 s (-0.3 m/s; Berlin - 35 m; lane 5) 19.18 s: Women: Florence Griffith-Joyner USA: 21.34 s (+1.3 m/s; 85 m; lane ?) Will marks registered under these conditions be wind legal? Leaves rustle and small twigs move. 2: Light Breeze: 4 to 7 mph: Wind felt on face. Crests have a glassy appearance and do not break. Worldwide animated weather map, with easy to use layers and precise spot forecast. Conversely, 50 mph is 50 x 1.6 or 80 kph. Crests of waves begin to topple, tumble and roll over. Branches of a moderate size move. WebCalculators | USA Track & Field Disciplines Events Programs Resources Associations Safe Sport USATF Pick 'Em News Welcome Back to Statistics Calculators Masters LDR Age Everywhere the edges of the wave crests are blown into froth. In addition to our wind speed converter, you can also convert distances (e.g. WebThat measure distance is the wind speed were looking for in our answer, a wind direction at approximately 110 and a wind speed of around 19 knots. Moreover, if a track and field facility is thoughtfully designed, the long and triple jump runways will be aligned perpendicular to the prevailing winds. 1. Wind Headwind Crosswind W : Wh : 0.00 Wc : 0.00. Conversely, 50 mph is 50 x 1.6 or 80 kph. Thats right, truncate the last digit (the zero) and multiply by 6. Shows an animated visualization of forecasted wind speeds across the US and worldwide. There are very definite protocols for how and when wind is measured during a race or an attempt. Enter Wind Speed Enter Wind Direction Enter True Airspeed Enter Course Calculated Heading Calculated Ground Speed Calculated Wind Correction Angle A rounded wind reading of 2.0 meters per second or less is considered "wind legal" and times from that heat or attempt may be used for records, state qualifying, and Do you have feedback? 1. WebAreas with good exposure to prevailing winds and annual average wind speeds around 4 meters per second and greater at a 30-m height are generally considered to have a suitable wind resource for small wind projects. Choose your city below to view wind chart and power output graphs for the Air 30 and Air 40 wind turbines. METAR, TAF and NOTAMs for any airport in the World. WebWind forecasts, wind speed, live weather and wind map for kitesurfing, windsurfing, sailing and fishing Windfinder - Wind map, wind forecast & weather reports Wind map with live wind radar & worldwide wind forecast. 3: Gentle Breeze: 8 to 12 mph Web100 m Wind / Altitude Adjustment Calculator: Correct 100m times, or 50m/60m splits! 3: Gentle Breeze: 8 to 12 mph WebUnited States Wind Power Calculator. Conversely, 50 mph is 50 x 1.6 or 80 kph. If we assume our heat of the 200 Meters finishes in a southward direction, this might happen if we had a wind out of the east. Runway Number : Between 1 and 36. Location Home; Why Off-Grid Wind; Solar+Wind; Products; Where to Buy; Support; Contact; Terms . Here our wind speed converter quickly converts units like Knots (Kn), Meters per second (m/s), Kilometers per Enter Altitude: 3. Aligning straightaways in a direction perpendicular to the prevailing winds is another matter altogether, though. So, the next heat may have a wind of 4.0 meters per second in a direction of 27 degrees south of west. So lets go back to our question now and look at our three possible answers and determine which one is correct. WebUnited States Wind Power Calculator. WebMen: Usain Bolt JAM: 19.19 s (-0.3 m/s; Berlin - 35 m; lane 5) 19.18 s: Women: Florence Griffith-Joyner USA: 21.34 s (+1.3 m/s; 85 m; lane ?) Based on ASCE 7-10/ASCE 7-16, EN 1991 (wind and snow), NBCC 2015 (wind and snow), AS/NZS 1170, IS 875 (wind), NSCP 2015 (wind), CTE DB SE-AE (wind), IS 875, and CFE Viento. ICON GFS Search Settings Time Timezone Local UTC Clock Format 12 hour 24 hour Animation Animation Speed Slow Medium Fast Satellite Animation Duration 3 hours 6 hours 12 hours 24 hours Satellite Animation Style Fast Smooth Units Foam of glassy appearance. SYNOP codes from weather stations and buoys. 21.45 s Wind Direction : Wind Speed : Gust Speed (if any) : Apply gusts at 50%. For another, most high school stadiums afford a little sheltering effect from the winds. See wind components for any airport. Small trees begin to sway. WebWind forecasts, wind speed, live weather and wind map for kitesurfing, windsurfing, sailing and fishing Windfinder - Wind map, wind forecast & weather reports Wind map with live wind radar & worldwide wind forecast. WebWorld's most popular E6B Calculator, Interactive E6B Emulator Illustration W N E S Wind: 23 @ 90 WCA : +10 Course :320 Heading:330 GS : 113 TAS: 100 Heading, Ground Speed, & Wind Correction Angle Course : True Air Speed : Wind Direction : Wind Speed : Wind C orrection Angle : Heading : Ground Speed : Flight Time for Distance & Ground Speed WebCalm wind. Wind readings are rounded up to the nearest tenth of a meter per second. So, since a lot of Colorado's wind tends to come out of the north, we get a lot of wind-aided marks in the 100, 200, and 100/110 Hurdles. Visibility affected. For the 100 and 100/110 Hurdles, the anemometer shall be started with the start of the race and be averaged over the next 10 seconds (100 Meters) or the next 13 seconds (100/110 Hurdles). The speed limit is traditionally 90 kph, or 54 mph. Forecast models ECMWF, GFS, NAM and NEMS Perhaps scattered white horses. Winds surge, subside, and shift in direction. Damage to circus tents and canopies. First, there are two types of wind gauges in use--those that are remotely operated, like the device in the cover photo of this article, and other devices that must be started manually by a human operator, as in the image at the right. MileSplit Colorado Editor: Choose your city below to view wind chart and power output graphs for the Air 30 and Air 40 wind turbines. Leaves rustle and small twigs move. Location Home; Why Off-Grid Wind; Solar+Wind; Products; Where to Buy; Support; Contact; Terms . Trees are broken off or uprooted, saplings bent and deformed, poorly attached asphalt shingles and shingles in poor condition peel off roofs. For example, 100 kph is 100 x 0.6 or 60 mph. WebCalm wind. To convert mph to kph, or simply miles and kilometers, I use factors of 0.6 and 1.6. Conversion table wind speeds / wind directions, Ripples with the appearance of scales are formed, but without foam crests. SYNOP codes from weather stations and buoys. Wind barely moves tree leaves. Probably some spray. WebCalculated Wind Direction = Heading, Ground Speed, And Wind Correction Angle Result can be either Knots or MPH based on consistent entry of the same designation. WebWorld's most popular E6B Calculator, Interactive E6B Emulator Illustration W N E S Wind: 23 @ 90 WCA : +10 Course :320 Heading:330 GS : 113 TAS: 100 Heading, Ground Speed, & Wind Correction Angle Course : True Air Speed : Wind Direction : Wind Speed : Wind C orrection Angle : Heading : Ground Speed : Flight Time for Distance & Ground Speed WebWind Pressure Calculator, Snow Calculator, and Seismic Load Calculator Easily calculate Wind Speeds, Pressures, and Forces along with Snow and Seismic Loads by Location. Then, you can see what, according to the model proposed in the article, the result would have been at Whistling heard in overhead wires. Wind readings are rounded up to the nearest tenth of a meter per second. Cars veer on road. 21.65 without wind and 21.51 with 2.0 m/s. Time: 2. SYNOP codes from weather stations and buoys. This calculator uses vector analysis to determine the correction angle for any wind speed and direction. WebAreas with good exposure to prevailing winds and annual average wind speeds around 4 meters per second and greater at a 30-m height are generally considered to have a suitable wind resource for small wind projects. WebWind Direction (WD) o Wind Speed (WS) knots km/h sm/h Heading (HDG) o True Airspeed (TAS) knots km/h sm/h Course (CRS) o Ground Speed (GS) knots km/h sm/h Correlated Variables Cross Wind Component (XWC) knots - L / + R [km/h] sm/h Head Wind Component (HWC) knots - T / + H [km/h] sm/h Crab Angle (CRA) Wind Correction Angle (WCA) o- L / + R In all cases, the device used to measure the wind (called an anemometer) must be placed four feet above the ground, parallel to the ground, parallel (in another dimension) to the straightaway or runway, at a prescribed distance from the straightaway or runway, and at a prescribed distance from the take-off board or finish line. This study demonstrates the efficacy of answering scientific questions empirically, through freely available data. WebLIVE interactive wind speed map. a wind speed of 0.0 m/s and at 2.0 m/s (maximum allowed wind assistance). Then, you can see what, according to the model proposed in the article, the result would have been at a wind speed of 0.0 m/s and at 2.0 m/s (maximum allowed wind assistance). WebHow to use this calculator For a given result, input the the performance in one of the boxes. For example, 100 kph is 100 x 0.6 or 60 mph. WebThe wind speed measuring unit is meters per second (m/s) and it is the standard unit for velocity and recommended by WMO. WebWind Direction (WD) o Wind Speed (WS) knots km/h sm/h Heading (HDG) o True Airspeed (TAS) knots km/h sm/h Course (CRS) o Ground Speed (GS) knots km/h sm/h Correlated Variables Cross Wind Component (XWC) knots - L / + R [km/h] sm/h Head Wind Component (HWC) knots - T / + H [km/h] sm/h Crab Angle (CRA) Wind Correction Angle (WCA) o- L / + R Chance of some spray. Wind barely moves tree leaves. Large wavelets. Moderately high waves of greater length; edges of crests begin to break into spindrift. A wind gauge, such as the device shown here, is used to quantify how much assist competitors receive from wind conditions. WebWind speed units & wind directions Being able to quicky convert wind speed values from units like knots, beaufort, m/s and km/h to another is quite helpful when you're in a pinch. High waves. Are you missing any calculations? Send your suggestions, Wind direction rose (cardinals and degrees). The speed limit is traditionally 90 kph, or 54 mph. 1. Effort needed to walk against the wind. For conversion purposes, 2.0 meters per second is just a little under 4.5 miles per hour. M. Moinat, O. Fabius & K. S. Emanuel (2018). 21.45 s And football fields are (in most cases, at least) purposely laid out in a north-south alignment to minimize the necessity of players (receivers, especially) needing to look at the ball without peering directly into the light of a sun near the horizon. Using this information, you can compensate for the effect of wind and Worldwide animated weather map, with easy to use layers and precise spot forecast. Not all meets will use a remotely-operated device, but it is becoming a little more the norm each year for the indicated races. Recording wind velocity information and including it in results What value is wind measured in? Wind barely moves tree leaves. 1: Light Air: 1 to 3 mph: Direction of wind shown by smoke drift, not by wind vanes. Based on ASCE 7-10/ASCE 7-16, EN 1991 (wind and snow), NBCC 2015 (wind and snow), AS/NZS 1170, IS 875 (wind), NSCP 2015 (wind), CTE DB SE-AE (wind), IS 875, and CFE Viento. Select the wind speed with the slider. Ordinary wind vanes move. WebThat measure distance is the wind speed were looking for in our answer, a wind direction at approximately 110 and a wind speed of around 19 knots. 1: Light Air: 1 to 3 mph: Direction of wind shown by smoke drift, not by wind vanes. Widespread vegetation damage. Considerable and widespread damage to vegetation, a few windows broken, structural damage to mobile homes and poorly constructed sheds and barns. That would register as a +2.2 wind reading and the effort(s) would be deemed not wind legal. Select the wind speed with the slider. In most cases, a track is simply wrapped around a football field. Adjusting Wind for Sprints Time: 2. Any marks associated with that heat or attempt are used for purposes of meet placement and scoring but would not be allowed for records, for qualifying for state, or as seed marks for a future meet. It may have already occurred to you that a heat of the 200 Meters could actually benefit considerably from the wind but still end up wind legal. METAR, TAF and NOTAMs for any airport in the World. the elusive nautical mile) with our calculator. WebWind Components Calculator. As an example, let's suppose the finish straight of a track heads due south (most tracks are laid out in this manner). Empty plastic garbage cans tip over. For one thing, wind speed and direction vary considerably even over fairly small distances. Moderate waves, taking a more pronounced long form; many white horses are formed. Time: 2. WebCalculated Wind Direction = Heading, Ground Speed, And Wind Correction Angle Result can be either Knots or MPH based on consistent entry of the same designation. Small waves, becoming larger; fairly frequent white horses. Large branches in motion. Smoke rises vertically with little if any drift. But, all sorts of other factors come into play. Here our wind speed converter quickly converts units like Knots (Kn), Meters per second (m/s), Kilometers per Small branches begin to move. WebHow to use this calculator For a given result, input the the performance in one of the boxes. WebLIVE interactive wind speed map. Dust and loose paper raised. Enter Wind Speed Enter Wind Direction Enter True Airspeed Enter Course Calculated Heading Calculated Ground Speed Calculated Wind Correction Angle the elusive nautical mile) with our calculator. Large waves begin to form; the white foam crests are more extensive everywhere. Small wind turbines are typically installed between 15 and 40 m high. Thats right, truncate the last digit (the zero) and multiply by 6. WebCalculators | USA Track & Field Disciplines Events Programs Resources Associations Safe Sport USATF Pick 'Em News Welcome Back to Statistics Calculators Masters LDR Age To convert mph to kph, or simply miles and kilometers, I use factors of 0.6 and 1.6. Are you missing any calculations? Wind Speed: 3. 938 Quail Street Lakewood, CO METAR, TAF and NOTAMs for any airport in the World. Here our wind speed converter quickly converts units like Knots (Kn), Meters per second (m/s), Kilometers per WebWind forecasts, wind speed, live weather and wind map for kitesurfing, windsurfing, sailing and fishing Windfinder - Wind map, wind forecast & weather reports Wind map with live wind radar & worldwide wind forecast. Small wavelets, still short, but more pronounced. For the long and triple jump, the anemometer shall be started when the jumper begins his or her approach and the recorded wind reading is an average of the next five seconds. So lets go back to our question now and look at our three possible answers and determine which one is correct. Runway Number : Between 1 and 36. ICON GFS Search Settings Time Timezone Local UTC Clock Format 12 hour 24 hour Animation Animation Speed Slow Medium Fast Satellite Animation Duration 3 hours 6 hours 12 hours 24 hours Satellite Animation Style Fast Smooth Units Umbrella use becomes difficult. Thats right, truncate the last digit (the zero) and multiply by 6. For the 200 Meters, the anemometer should be started when the runners reach the 100 Meter start line (top of the straightaway) and be averaged over the next 10 seconds. For better or worse, we end up talking about wind a lot here on Colorado Track XC. WebUnited States Wind Power Calculator. For the most part, use of remotely-operated devices are limited to use in the straightway races (100 meters, 200 meters, and the 100/110 Hurdles). WebWind Direction (WD) o Wind Speed (WS) knots km/h sm/h Heading (HDG) o True Airspeed (TAS) knots km/h sm/h Course (CRS) o Ground Speed (GS) knots km/h sm/h Correlated Variables Cross Wind Component (XWC) knots - L / + R [km/h] sm/h Head Wind Component (HWC) knots - T / + H [km/h] sm/h Crab Angle (CRA) Wind Correction Angle (WCA) o- L / + R WebWind Components Calculator. Web100 m Wind / Altitude Adjustment Calculator: Correct 100m times, or 50m/60m splits! A rounded wind reading of 2.0 meters per second or less is considered "wind legal" and times from that heat or attempt may be used for records, state qualifying, and seeding purposes for future meets. WebWind speed units & wind directions Being able to quicky convert wind speed values from units like knots, beaufort, m/s and km/h to another is quite helpful when you're in a pinch. Essentially, the anemometer measures only the southward component of wind. See wind components for any airport. In addition to our wind speed converter, you can also convert distances (e.g. s-1 tail wind than elite athletes (~10s). A wind from the east would give considerable push to the runners through the curve of the 200 but would barely register on the anemometer because it measures only the southward component (the component aligned with the finish straight) of the wind. Then, you can see what, according to the model proposed in the article, the result would have been at a wind speed of 0.0 m/s and at 2.0 m/s (maximum allowed wind assistance). WebCalm wind. If we break our 5.0 mps wind into westward and southward components using some basic high school trigonometry, we get a westward component of 4.53 meters per second and a southward component of 2.11 meters per second. Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind. Any mark associated with a negative wind reading (into the face of the runner or jumper) is always legal for records, state qualifying, and future seed mark purposes. Ordinary wind vanes move. WebWind Components Calculator. Wind Headwind Crosswind W : Wh : 0.00 Wc : 0.00. Small wind turbines are typically installed between 15 and 40 m high. In the case of the long and triple jump, the anemometer shall be located within two meters of the runway and 20 meters from the foul line (or take-off board). Wind Speed: 3. WebAreas with good exposure to prevailing winds and annual average wind speeds around 4 meters per second and greater at a 30-m height are generally considered to have a suitable wind resource for small wind projects. Wind readings are rounded up to the nearest tenth of a meter per second. And, truthfully, most anemometers do the rounding up automatically, so nobody ever knows if a wind reading for a particular heat attempt was 2.02 or 2.09. The 'tumbling' of the sea becomes heavy and shock-like. In addition to our wind speed converter, you can also convert distances (e.g. WebWind Pressure Calculator, Snow Calculator, and Seismic Load Calculator Easily calculate Wind Speeds, Pressures, and Forces along with Snow and Seismic Loads by Location. For example, a 200m of 21.63 with a wind speed of +0.2, tells you that it would have been Cookie Preferences / Do Not Sell or Share My Personal Information, Generated by 10.1.2.58 fresh in 70 milliseconds, the magnitude of the wind vector in the direction of the forward motion of the competitor. 2: Light Breeze: 4 to 7 mph: Wind felt on face. 2: Light Breeze: 4 to 7 mph: Wind felt on face. For a given result, input the the performance in one of the boxes. Wind Direction : Wind Speed : Gust Speed (if any) : Apply gusts at 50%. WebWeather radar, wind and waves forecast for kiters, surfers, paragliders, pilots, sailors and anyone else. 938 Quail Street Lakewood, CO WebLIVE interactive wind speed map. Dense streaks of foam along the direction of the wind. Being able to quicky convert wind speed values from units like knots, beaufort, m/s and km/h to another is quite helpful when you're in a pinch. Leaves rustle. The speed limit is traditionally 90 kph, or 54 mph. A wind from the east would give considerable push to the runners through the curve of the 200 but would barely register on the anemometer because it measures only the southward component (the component aligned with the finish straight) of the wind. Choose your city below to view wind chart and power output graphs for the Air 30 and Air 40 wind turbines. Whole trees in motion. Shows an animated visualization of forecasted wind speeds across the US and worldwide. Winds don't blow for long at a steady rate. To convert mph to kph, or simply miles and kilometers, I use factors of 0.6 and 1.6. If we assume our heat of the 200 Meters finishes in a southward direction, this might happen if we had a wind out of the east. Little if any movement with flags. By doing that, you will turn most of the winds into crosswinds, which will rarely exceed the +2.0 limit in the direction of the forward motion of the competitor. The long and triple jumps also require wind readings, but--due to the nature of the events--these wind readings are almost always taken by hand-operated devices as shown at the right.