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75 Cards in this Set
- Front
- Back
What publication is the most comprehensive manual for US Navy shipboard surface aviation weather observations?
1. NAVMETOCCOMINST 3144.1 2. NAVMETOCCMINST 3141.2 3. FMH-1 4. FMH-2 |
1. NAVMETOCCOMINST 3144.1
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What is the freezing point of water of the Kelvin scale?
1. 273.16 K 2. 100.16 K 3. 32.00 k 4. 0.00 k |
1. 273.16
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What is the standard time zone designation for the east coast of the US?
1. -4 2. -5 3. +4 4. +5 |
3. +4
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To prevent confusion on meterological records, which of the following time formats should be used?
1. 1:10 pm 2. 1310 est 3. 1310 L 4. 1310 UTC |
4. 1310 UTC
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Cumuliform clouds are generally associated with what type of air?
1. Dry Stable 2. Moist and stable 3. Dry and Unstable 4. Moist and Unstable |
4. Moist and Unstable
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Lift caused by air density differnces between air masses along frontal zones?
1. Orographic 2. Frontal 3. Convective 4. Turbulent |
2. Frontal
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Lift caused by friction between adjacent layers?
1. Orographic 2. Frontal 3. Convective 4. Turbulent |
4. Turbulent
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Lift caused by features on the earth's surface, such as mountians?
1. Orographic 2. Frontal 3. Convective 4. Turbulent |
1. Orographic
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Lift caused by heating near the earth's surface?
1. Orographic 2. Frontal 3. Convective 4. Turbulent |
3. Convective
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In the mid latitudes, the top of the mid-estage is considered to extend to what altitude?
1. 6,500 ft 2. 10,000 ft 3. 18,500 ft 4. 23,000 ft |
4. 23,000 ft
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Of the following cloud genera or genus, which one is found in the low estage?
1. Cirrus 2. Altocumulus 3. Cumulus 4. Cirrocumulus |
3. Cumulus
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What WMO classification identifies the size, shape, or form of the elements within a cloud layer?
1. Genera or genus 2. Species 3. Variety 4. Etage |
2. Species
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Variet used to identify overlapping layers of cloud?
1. Tarnslucidus 2. Duplicatus 3. Undulatus 4. Radiatus |
2. Duplicatus
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Variety used to identify a pattern known as "Abraham's Tree"
1. Tarnsluidus 2. Duplicatus 3. Undulatus 4. Radiatus |
4. Radiatus
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What publication is the most comprehensive manual for US Navy shipboard surface aviation weather observations?
1. NAVMETOCCOMINST 3144.1 2. NAVMETOCCMINST 3141.2 3. FMH-1 4. FMH-2 |
1. NAVMETOCCOMINST 3144.1
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What is the freezing point of water of the Kelvin scale?
1. 273.16 K 2. 100.16 K 3. 32.00 k 4. 0.00 k |
1. 273.16
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What is the standard time zone designation for the east coast of the US?
1. -4 2. -5 3. +4 4. +5 |
3. +4
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To prevent confusion on meterological records, which of the following time formats should be used?
1. 1:10 pm 2. 1310 est 3. 1310 L 4. 1310 UTC |
4. 1310 UTC
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Cumuliform clouds are generally associated with what type of air?
1. Dry Stable 2. Moist and stable 3. Dry and Unstable 4. Moist and Unstable |
4. Moist and Unstable
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The name of Andrew's Cat was/
1. Hommie 2. Zanex 3. Felix 4. Oreo |
2. Felix
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Which of the following terms is correctly used to further identify a cirrus cloud when the cloud fibers are entagled or crossing one another?
1. Opaqus 2. Lacunosus 3. Intortus 4. Vertbratus |
3. Intortus
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Of the following supplementary features, which one is another name for waterspouts and tornados?
1. Virga 2. Arcus 3. Incus 4. Tuba |
4. Tuba
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TCU's are a special form of which of the following cloud species?
1. Cumulus congestus 2. Cumulus mediocris 3. Cumulonimbus Capillatus 4. Cumulonimbus Calvus |
1. Cumulus Congestus
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Which of the following is an identifying feature or a cumulonimbus calvus?
1. A dark gray base 2. An anvil top 3. thunder 4. Lightning |
1. A dark grey base
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Of the following metorological phenomena, which one is associated with an outflow boundary?
1. The funnel cloud 2. Virga 3. Mamma 4. Low-Level Wind shear |
4. Low-Level Wind Shear
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Roll clouds indicate that thunderstorm down-rush has occurred and that LLWS maybe present?
1. True 2. False |
1. True
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What cloud genera is sometimes mistaken for altocumulus?
1. cumulus 2. stratocumulus 3. cirrostratus 4. stratus |
2. stratocumulus
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In relation to the CB cloud, where can hail be found?
1. The top sides of building and mature CB cells 2. up to 25 miles from the CB cell 3. Under the cloud base 4. All of the above |
4. All of the above
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Describe two potentially dangerous wind phenomena associated with an outflow boundary?
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Low level wind shear and microburst
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A wall cloud will usually form in what location of a CB cell?
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The right rear quadrant
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What type of lithometer produces a yellow or orange tinge when viewed aagainst a brighter background?
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Haze
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Define sublimation?
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Water vapor bypasses the liquid state and goes directly from a gas to a solid
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If rain is accumulating at a rate 0.25 inches per hour, how should the intensity be classfied?
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Moderate
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When is a thunderstorm considered to have begun?
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When the first thunder is heard, or when overhead lightning is observed, and the local noise level is high enough as might prevent the observer from hearing thunder
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What does the abbreviation of LTGCA mean?
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Lightning Cloud to Air
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What is meant by the term "frost point temp"
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The temp, below freezing, that a parcel of air must be cooled to in order to reach saturation
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What would be the average wave height with a sea state of 5?
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8 to 13 feet
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Define wave period
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The time it takes for a complete wave cycle to pass a given point
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How is a swell wave height determined?
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By using the average height of all the swell waves present combined
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At approximately what temp (F) would you expect rime ice to form on a ship, assuming blowing spray is present?
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14 F
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Why does it take longer for seawater to freeze when compared to freshwater?
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Due to the salinity of seawater
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When does sea ice reach it's max in the northern hemisphere?
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March
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What are the two primary liquids found in thermometers?
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Alcohol and Mercury
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How often should the wick on a wet-bulb thermometer be changed aboard ship?
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Weekly
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What instruction outlines procedures to be followed in the event of a mercury spill?
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NAVSEAINST 5100.3
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How often should the aneroid barometer be calibrated?
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Twice a year aboard ship and very year at shore stations
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What type of wind measurement is made by the Type B3 wind indicator?
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Relative Wind
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When should the low-speed, range-selecting switch be activated on the AN/PMQ-3?
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Only when the wind speed is lower than 15 knots
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Which rain gauge is used primarily for the measurement of frozen precip?
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ML-217
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Which caculator is used to compute vapor pressure and specific humidity?
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CP-718/UM Density Altitude Computer
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What does the acronym WMO mean?
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World Metorological Organization
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Who couldn't put humpty back together again?
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All the kings horsemen and all the kings men
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Where are observation forms mailed at the end of each month?
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FNMOD, Ashville, NC
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What does the symbol VVVVVSM?
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Surface Vis in SM
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What does the symbol PO indicate?
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Well devoloped dust/sand whirls
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What remark in METAR code is mandatory for all observations?
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SLP
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What publication provides detailed instructions for taking and recording ship observations aboard US Navy ships?
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NAVMETOCCOMINST 3144.1
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What publications contain criteria and requirements for SPECI observation?
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NAVMETOCCOMINST 3141.2 OR NAVMETOCCOMINST 3144.1
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What are the intermediate Synoptic hours?
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03Z 09Z 15Z 21Z
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What is the primary refernce manual used for encoding land synoptic observations in the US?
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Federal Meteorological Handbook No.2
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What information follows the 333 indicator group?
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Regional additive data
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What info follows the 555 indicator group?
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National additive data
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What is the message type identifier for the shipboard synoptic code?
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BBXX
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What does the indicator group 222 of the ship synoptic code signify?
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Maritime data follows
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What organization is responsible for the maintaing of METOC buoys off the coast of the US
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NOAA
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On most charts, 60NM equals how many degrees of latitude?
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1 degree
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What federal agency is responcible for producing maps and charts for the US military?
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The National Imagery and Mapping Agency (NIMA)
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Where can a complete listing of WMO block/station numbers be found?
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The Master Weather Station Catalog
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Jordan's favorite color is?
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Grey
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What term is used to indicate lines of equal dew point temp?
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Isodrotherms
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Lines of equal pressure change are defined what term?
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Isallobars
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What does the symbol [64] indicate?
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Intermittent rain (not freezing) heavy at the time of the OB
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What is the normal contour interval for an SST analysis?
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2 degrees
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What symbol is used to indicate dew point depression on the Skew-T
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triangle
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On what line of movement report might you find requests for an en route weather forecast?
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Line 1
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