Term
| A major difference between a METWATCH and MISSIONWATCH is that a: |
|
Definition
| METWATCH focuses on a broad area, with general interest. |
|
|
Term
| Regarding a weather warning for winds greater than 50 knots, which of the following statements best defines the term minimum desired lead time? |
|
Definition
| The amount of advanced notice a customer requires before the event occurs. |
|
|
Term
| Of the following levels of support, Which is responsible for providing METWATCH guidance as they prepare the hemispheric-scale weather analysis? |
|
Definition
|
|
Term
| Which of the following tasks is a responsibility of the lead unit, and at what level of support does this occur? |
|
Definition
| Identify the problem of the day; OWS |
|
|
Term
| Select the statement that is the best definition of space environmental effects: |
|
Definition
| Electrically charged particles and electromagnetic radiation emitted primarily by the sun, and the environmental phenomena they create by interacting with earth's upper atmosphere. |
|
|
Term
| How much energy does ths sun manufacture per second? |
|
Definition
|
|
Term
| The basic energy souce for the sun is: |
|
Definition
|
|
Term
| What form is radiation in when it leave the sun's core? |
|
Definition
|
|
Term
| Which layer of the sun is visible frm earth when we look at the sun with our eyes? |
|
Definition
|
|
Term
| What is the term used to describe transient, concentrated, localized, magnetic fields in the chromosphere? |
|
Definition
|
|
Term
| The name given to the darkest area at the center of the sunspot is: |
|
Definition
|
|
Term
| An intense, temporary release of energy that occurs in the vicinity of sunspots and/or plages is called a: |
|
Definition
|
|
Term
| What is the prime cause of solar activity? |
|
Definition
|
|
Term
| Which solar features are ribbon-like, suspended in the corona by the magnetic field, and comparable to clouds on earth. |
|
Definition
|
|
Term
| Which statement is correct regarding the solar cycle? |
|
Definition
| There is a rapid 4-year rise to a solar maximum followed by a gradual 7-year decline to a solar minimum. |
|
|
Term
| When is the greatest potential for large solar flares to occur? |
|
Definition
| 2 to 3 years following a solar maximum. |
|
|
Term
| The overall polarity of the sun's northern and southern hemispheres reverse every: |
|
Definition
|
|
Term
| The unit of measurement used to identify the strength of a magnetic field is: |
|
Definition
|
|
Term
| Which solar feature is formed by the condensation of material from the hot corona? |
|
Definition
|
|
Term
| The SFIR monitors solar emissions over a frequency range of: |
|
Definition
|
|
Term
| On what part of the electromagnetic spectrum does the most intense energy fall? |
|
Definition
|
|
Term
| Less than one percent of the sun's total emitted electromagnetic radiation lies in the: |
|
Definition
| extreme ultraviolet, X-ray, and radio wave portions of the elctromagnetic spectrum |
|
|
Term
| What electrically charged particles emitted by the sun are of primary interest in the space environment? |
|
Definition
|
|
Term
| The type of radiation that cause ionization of molecules in the upper atmosphere is: |
|
Definition
|
|
Term
| Which type of radiation that causes ionization of upper atmospheric atoms and molecules and results in the heating of the upper atmosphere? |
|
Definition
|
|
Term
| Which type of radiation has the least application in the space environment? |
|
Definition
|
|
Term
| The tails of comets that always point away from the sun show the influence of the: |
|
Definition
|
|
Term
| Where are the floating electrons created that make up the ionosphere? |
|
Definition
| Mesosphere and thermosphere |
|
|
Term
| In which layer/region of the ionosphere is the highest concentration of electrons located? |
|
Definition
|
|
Term
| What steers electrically charged particles in motion near earth? |
|
Definition
|
|
Term
| What phenomena is a dynamic and delicate visual manifestation of solar-induced geomagnetic storm? |
|
Definition
|
|
Term
| The term used to describe the event in which earth is showered with energetic solar particles released from a solar flare site is: |
|
Definition
|
|
Term
| What space phenomena affect the electrical systems of orbiting satellites. |
|
Definition
| Differential and bulk charging. |
|
|
Term
| The mechanism by which charged solar particle streams disrupt the magnetosphere and adversly affect radar, communications, and space operations is: |
|
Definition
|
|
Term
| Which solar-geophysical sensor detects cosmic radio noise at a frequency of 30 MHz? |
|
Definition
|
|
Term
| Which solar-geophysical sensor acts like a radar and trasmits radio energy vertically over a range of 2 to 30 MHz or between any two frequencies within this range? |
|
Definition
|
|
Term
| Which solar-geophysical sensor measures the absolute TEC by analyzing the signals from GPS satellites? |
|
Definition
|
|
Term
| The impact of electron density gradients within the ionosphere on SATCOMs is signals at: |
|
Definition
| UHF are intermittently interrupted |
|
|
Term
| What is the impact of electron density gradients within the ionosphere on earth-based space tracking radar's SHF signals. |
|
Definition
| Positional accuracy and object identification is degraded. |
|
|
Term
| What impact does radio-wave radiation emitted by the sun have on SATCOM ground stations? |
|
Definition
|
|
Term
| What is the impact of electrically charged particles from the sun that penetrate into the mid to upper stratosphere. |
|
Definition
| Radiation hazard to aircrews of high altitude flights |
|
|
Term
| How many minutes does it take for solar flare-enhanced X-rays and extreme ultraviolet and radio waves to reach earth? |
|
Definition
|
|
Term
| In which geographic location in earth's outer atmosphere is the major impact of high-energy, proton particles experienced? |
|
Definition
|
|
Term
| Which solar-geophysical sensor measures the strengths and variations of earth's magnetic field? |
|
Definition
|
|
Term
| In which level of the ionosphere does most of the refraction of HF communication radio wave occur? |
|
Definition
|
|
Term
| Which AFSPC weather and environmental unit provides weather services for all DOD and civilian space and ballistic missle launch operations on the Eastern Range? |
|
Definition
|
|
Term
| Which statement is not a role of HQ AFWA Space Weather Operation Center? |
|
Definition
| Provide feedback to the Ionospheric Prediction Service regarding product quality, relevance, and timeliness. |
|
|
Term
| Which statement is not a role of HQ AFWA Space Weather Operation Center? |
|
Definition
| Determine the most effective method of disseminating space weather information to agencies requiring support. |
|
|
Term
| The Space Weather Operation Center receives energetic particle and other geophysical data from the: |
|
Definition
|
|
Term
| Which publication describes how solar and geophysical activity may impact DOD radar and communications? |
|
Definition
|
|
Term
| Which bulletin, produced by AFWA Space Weather Operation Center, provides notice that certain HF communications frequencies may become unusable during daylight conditions due to a sudden burst in the sun's X-ray radiation? |
|
Definition
|
|
Term
| Which bulletin, produced by AFWA Space Weather Operation Center, provides notice that a geomagnetic storm has already started? |
|
Definition
|
|
Term
| Which bulletin, produced by AFWA Space Weather Operation Ceneter, notifies SATCOM ground operators and space-tracking operators of potential interference from a burst of radio-wave radiation? |
|
Definition
|
|
