Washington, D.C. The U.S.
Weather Bureau station at the National Airport. Surface weather
being observed at a Weather Bureau instrument panel on which are
mounted barometers, thermometers, wind direction and velocity
indicators, and other instruments for measuring weather
elements. |
Washington, D.C. The
U.S. Weather Bureau
station at the National Airport. |
Washington, D.C. The
U.S. Weather Bureau
station at the National Airport. |
Balloon sent aloft at the
weather bureau at the
municipal airport in
Washington, D.C.. |
Preparing to send up the weather balloon at the weather bureau at the municipal airport in Washington, D.C.. |
Preparing to send up
the weather balloon
at the weather bureau
at the municipal
airport in
Washington, D.C.. |
Preparing to send up the weather balloon at the weather bureau at the municipal airport in Washington, D.C..
July 1941
STILL in the same office!! |
A balloon sent up by the weather bureau. Washington, D.C. municipal airport. |
Sunshine switch. What would OSHA say about this?
This was at the Federal building in Chicago. |
 Washington, D.C.
The U.S. Weather
Bureau station at
the National Airport |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. General view of plotting room. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. |
Washington, D.C.
The U.S. Weather
Bureau station at
the National Airport. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. General view of the plotting room. |
Weather Bureau men preparing to send up the balloon for weather data. Municipal airport, Washington, D.C.. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Weather data being plotted on sectional manuscript maps. |
Washington, D.C. Preparing
an advisory forecast at the
U.S. Weather Bureau. Unit
supervisor checking data with the plotter of accuracy. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Joe F. Fulks supervising the preparation of weather analyses. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Preparing an auxiliary weather map which reveals upper atmospheric conditions. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Cutting a manuscript weather map into sections for speedy plotting.
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Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Cloud heights being measured by means of a daylight ceiling projector. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Sectional manuscript maps are distributed to plotters prior to plotting weather data. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. A junior meteorologist assembling plotted sectional weather maps prior to analysis by forecasters. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather observations being analyzed by a district forecaster preparatory to issuing a weather forecast. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather forecast being prepared and transmitted over teletype for the Washington forecast district. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Transmission of weather data by teletype to military and civilian war centers. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather observations being analyzed by a district forecaster preparatory to issuing a weather forecast. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Inflating a pilot balloon with hellium gas. The balloon is used for determining winds aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Receiving weather observations from all parts of the country by pneumatic tube from the nearby communications stations. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Receiving weather observations from all parts of the country by pnematic tube from the nearby communications station. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Weather forecasts and advices are coded for transmission to military and civilian centers for war activity. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Following the course of a pilot
balloon through the atmosphere with a theodolite instrument which
measures the position. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Following the course of a pilot
balloon through the atmosphere with a theodolite instrument which
measures the position. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Wind direction and velocity are
measured by these devices. The instruments are known as wind vanes and
anemometers. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Wind direction and velocity are
measured by these devices. The instruments are known as wind vanes and
anemometers.
|
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Wind direction and velocity are
measured by these devices. The instruments are known as wind vanes and
anemometers. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Pilot balloon being released to determine wind direction and velocity aloft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather forecast being prepared and transmitted over teletype for the Washington forecast district. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Weather forecasts data are put on coding tape to transmission to various centers for dissemination and use in war activities. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Atmospheric conditions are transmitted by a weather radio instrument attached to the balloon which ascends to heights of fifteen to twenty miles. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Atmospheric conditions are transmitted by a weather radio instrument attached to the balloon which ascends to heights of fifteen to twenty miles. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather observation data from all sections of the country being placed on charts and maps preparatory to the issuing of of forecasts. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Flight advisory weather service. Here pilots in flight are warned of adverse weather conditions that might affect the safe operation of the aircraft.
|
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Flight advisory weather service. Here pilots in flight are warned of adverse weather conditions that might affect the safe operation of the aircraft. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Flight advisory weather service. Here pilots in flight are warned of adverse weather conditions that might affect the safe operation of the aircraft. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Plotting the course of a pilot balloon
as it ascends into the atmosphere to determine the velocity and
direction of winds above the surface. |
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Washington, D.C. The U.S. Weather Bureau station at the National Airport. The Civil Aeronautics Communication station where observations and weather forecasts from all sections of the country are received and transmitted over land line teletype circuits. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. The Civil Aeronautics Communication station where observations and weather forecasts from all sections of the country are received and transmitted over land line teletype circuits. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. High frequency radio receiver
recording signals from small radio transmitter attached to radiosonde
balloon aloft. The signals reveal temperature, humidity and pressure at
various altitudes. |
Washington, D.C. Preparing an advisory forecast at the U.S. Weather Bureau. Completed weather
information is sent by pneumatic tubes to a communication center for
transmittal to various military and civilian centers for war activity
use. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. This high frequency radio transmitter
is small, but very effective. It is attached to a large balloon and
transmits signals which reveal temperature, humidity and pressure. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Weather information is essential to all aircraft pilots. Here the forecaster is shown discussing the type of weather the pilots may encounter on their proposed flights. |
Washington, D.C. The U.S. Weather Bureau station at the National Airport. Atmospheric conditions are transmitted by a weather radio instrument attached to the balloon which ascends to heights of fifteen to twenty miles. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. This high frequency radio transmitter
is small, but very effective. It is attached to a large balloon and
transmits signals which reveal temperature, humidity and pressure as
it ascends to various altitudes. |
Washington, D.C. The U.S. Weather Bureau
station at the National Airport. Plotting the course of a pilot balloon
as it ascends into the atmosphere to determine the velocity and
direction of winds above the surface.
|
Washington, D.C. The U.S. Weather Bureau station at the
National Airport. Surface weather being observed at a Weather
Bureau instrument panel on which are mounted barometers,
thermometers, wind direction and velocity indicators, and other
instruments for measuring weather elements. |
Washington, D.C. The
U.S. Weather Bureau
station at the National Airport. |
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