Journal of Applied Meteorology: Recent submissions
Now showing items 2281-2300 of 6019
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Standard Deviation of Wind Direction Estimated from Direct Observation of a Sensitive Wind Vane
(American Meteorological Society, 1968)tract -
On the Correlation of Radar Echoes over Florida with Various Meteorological Parameters
(American Meteorological Society, 1968)tract -
A Sharp Cold Frontal Passage at Macquarie Island in the Southern Ocean
(American Meteorological Society, 1968)tract -
On the Use of Silicon Cells in Meteorological Radiation Studies
(American Meteorological Society, 1968)To establish under what condition silicon cells can be used for the determination of albedo, measurements as well as calculations were undertaken. The results show that silicon cells (also sold as Sol-A-Meters) give ?true? ... -
A Technique to Determine Evaporation from Dry Stream Beds
(American Meteorological Society, 1968)A technique is described to determine 24-hr stream-bed evaporation subject to the constraints that it be inexpensive, uncomplicated, and accurate to within ± 20%. Using maximum thermometers, a totalizing anemometer, and ... -
Radiosonde Temperature-Baseline Inaccuracy
(American Meteorological Society, 1968)An analysis of tropical radiosonde temperature measurements made during the Line Island Experiment suggests that conventional radiosonde preflight procedures are inadequate in a remote tropical environment. Temperatures ... -
The Tungsten Wire Temperature Sensor
(American Meteorological Society, 1968)Tungsten wire ≤1 mil diameter, when used in a parachute-borne temperature sensor, is in free molecule flow for most of its flight. The heat transfer coefficient for free molecule flow may be found from theory and is directly ... -
A Modern Lightning Discharge Counter
(American Meteorological Society, 1968)Design details and test results are given for a transistorized lightning discharge counter updating the Sullivan-Wells UF/FC-2C counter. Particular attention was given in the design to reliability and elimination of multiple ... -
Comparative Measurements of Cloud Liquid Water Using Heated Wire and Cloud Replicating Devices
(American Meteorological Society, 1968)Liquid water concentrations in cumulus clouds have been measured from an aircraft using the Johnson-Williams hot wire device. From simultaneous continuous cloud replicator records, liquid water contents have been computed ... -
Performance Characteristics of Various Artificial Ice Nuclei Sources
(American Meteorological Society, 1968)A variety of devices that produce artificial nuclei have been used in weather modification experiments. These fall into two broad classifications, i.e., pyrotechnics and steady-state flame-type generators. The effectiven ... -
On the Accuracy of Wind Measurements Using an Inertial Platform in an Aircraft, and an Example of a Measurement of the Vertical Mesostructure of the Atmosphere
(American Meteorological Society, 1968)A high quality inertial navigation platform, originally developed for the TSR 2 aircraft, is now being used by the Meteorological Research Flight in order to measure vertical gust velocities and horizontal wind shear from ... -
The Solar Constant Based on New Spectral Irradiance Data from 310 to 530 Nanometers
(American Meteorological Society, 1968)Measurements made at an altitude of 11,150 ft on Mauna Loa in Hawaii with instrumentation recently developed at the National Bureau of Standards have yielded new solar spectral irradiance values (outside the atmosphere) ... -
The Occurrence of Icing on Constant Level Balloons
(American Meteorological Society, 1968)The remarkably short lifetime of many pressurized balloon flights at 300 mb had been tentatively explained by overloading with ice. This phenomenon was definitely observed and well documented in one recent flight. When the ... -
The Analysis of Upper-Level Humidity
(American Meteorological Society, 1968)The incorporation of diagnostic data obtained from surface observations into a humidity analysis at the 850-, 700- and 500-mb levels is tested using European surface and upper-air data for 22 observation times in February ... -
The Diagnosis of Upper-Level Humidity
(American Meteorological Society, 1968)Northern Hemisphere surface-synoptic and radiosonde data from November 1961 through February 1962 are used to develop diagnostic relationships between surface-observed variables at a single station and the dewpoint spread ... -
The Collection and Analysis of Freshly Fallen Hailstones
(American Meteorological Society, 1968)Attempts have been made to obtain samples of freshly fallen hailstones from severe storms in Oklahoma with the purpose of studying the nature and extent of spongy ice within natural hail. Interception by automobile of radar ... -
Precipitation Initiation Mechanisms and Droplet Characteristics of Some Convective Cloud Cores
(American Meteorological Society, 1968)Samplings of the unmixed cores and the mixed edges of convective clouds at various heights were made in an aircraft using standard instrumentation and a Continuous Particle Collector (CPC). The unmixed cores are defined ... -
A Comparison of Low-Level Trajectories in an Urban Atmosphere
(American Meteorological Society, 1968)Throughout the month of June 1965 tetroons ballasted for 150?300 m altitude were released and radar-tracked in New York City and environs. The study evaluates the skill with which data from both a dense mesoscale network ... -
Observations of the Urban Heat Island Effect in New York City
(American Meteorological Society, 1968)Differences in the temperature fields through the lowest 700 m of the atmosphere in and around New York City during the hours near sunrise are analyzed. Data were obtained by an instrumented helicopter on 42 predetermined ... -
The Effect of Averaging Time and Sample Duration on Estimation and Measurement of Maximum Wind Gusts
(American Meteorological Society, 1968)Using an assumed spectral density function, the ratio of the maximum gust of t seconds averaging time, drawn from a sample duration of T seconds, to the maximum S-second gust from a Θ-second sample is derived using the ...