Instruments and Techniques for Meteorological Measurements

Ference, Michael

doi:10.1007/978-1-940033-70-9_98

Cited by 5 publications

(7 citation statements)

References 18 publications

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“…The time corresponding to each measurement is given on its right. The 3-cm radar and GMD-1A offer comparable accuracy for wind determination [3] ; hence, it will be assumed that the radar method and the GMD-1A method as used in these experiments gave wind velocity values comparable in accuracy. We shall use the average absolute differences in wind speed and direction found by the two methods as a standard for comparison in runs 3 through 6.…”

Section: Discussion Of Time-altitude Datamentioning

confidence: 99%

Experiments Using Window to Measure High-Altitude Winds

Anderson

Hoehne

1956

Bulletin of the American Meteorological Society

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Strips of metal foil (window), dispersed by balloon and aircraft, have been tracked by radar to measure wind velocities at altitudes up to 74,000 feet. These wind velocities have been compared with those measured over the same altitude range by GMD-1A equipment and radartarget tracking. The results indicate promise for obtaining high-altitude winds by this new technique. Further experiments envisioned for the 100,000 to 200,000 foot altitude range will necessitate the use of rockets to carry and eject the window.

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Section: Discussion Of Time-altitude Datamentioning

confidence: 99%

Experiments Using Window to Measure High-Altitude Winds

Anderson

Hoehne

1956

Bulletin of the American Meteorological Society

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“…These analyses, plus the corresponding NAWAC facsimile isotach analyses, were then verified by the "Jet-Stream" flight winds and the "Whooper" reconnaissance winds. 2 The 300-mb wind field at 0300Z 18 January 1957 ( fig. 9) is one of the several cases where a marked improvement in analysis was made through the use of the "meanwind" method.…”

Section: Date-time Time Of Level Stnsmentioning

confidence: 99%

“…(Norfolk was the only station in the southeastern quarter of the country reporting a 300-mb wind.) 2 Daily B-47 flights which report "K" winds [12].…”

Section: Date-time Time Of Level Stnsmentioning

confidence: 99%

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300-mb Isotach Analysis1

Fawcett

Snellman

1959

Bulletin of the American Meteorological Society

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A "mean-wind" technique is presented for estimating (for a constant-pressure level) the position and strength of the core of maximum winds between two rawinsonde stations located four to nine latitude degrees apart. An example of the application of the method is given, and shortcomings of the method are described. To test the method, 37 computations were made. The resulting core speeds and positions are compared with Project "Jet-Stream" flight winds and "Whooper" reconnaissance winds. The mean speed-error of the 37 computations is -3.5 kn and the RMS error is 17 kn. It is concluded that the "mean-wind" technique is operationally feasible and that its employment in conjunction with other analysis techniques now in use will contribute to analysis in the jet-stream region.FIG. 1. U. S. rawinsonde network as of 1 April 1957.

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“…[The lag increases with height (Ference 1951). ] Since the rawinsonde ascends at around 1,000 ft/min, the sensor detects 63 percent of an instantaneous temperature change in roughly 100 ft.…”

Section: Introductionmentioning

confidence: 99%

Vertical Temperature Structure During the 1966 Thanksgiving Week Air Pollution Episode in New York City

Holzworth¹

1972

Mon. Wea. Rev.

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This paper presents time cross-sections of aloft. Diurnal and daily variations in the height of the vertical temperature structure during the 1966 Thanks-mixing layer can also be seen. Some possible influences of giving week air pollution episode in New York City, the vertical temperature structure on SO2 concentrations based on 6-hourly soundings at Kennedy Airport. The in Manhattan are discussed, and it is suggested that analyses depict numerous inversions in the lower 10,000 exceptional peak SO2 concentrations were largely due to f t of the atmosphere, including an interesting sequence the fumigation process. of surface-based inversions and an outstanding inversion

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Instruments and Techniques for Meteorological Measurements

Cited by 5 publications

References 18 publications

Experiments Using Window to Measure High-Altitude Winds

Experiments Using Window to Measure High-Altitude Winds

300-mb Isotach Analysis1

Vertical Temperature Structure During the 1966 Thanksgiving Week Air Pollution Episode in New York City

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