Forecasts
Observations
Advisories
Briefings
Systems
100

This forecast provides weather predictions within 5 sm of a specific airport over a 24-30 hour period.

What is a TAF?

100

Sometimes referred to as “hourly” reports

What is a METAR?

100

This advisory is broken up into 3 types: Tango, Sierra, and Zulu.

What is an AIRMET?

100

Phone # a pilot can call to obtain a weather briefing

What is 1-800-Wx-Brief

100

automatically measures meteorological parameters, reduces and analyzes the data via computer, and broadcasts weather reports which can be received by aircraft operating up to 10,000 feet  above ground level  and 25 nautical miles (nm)  from the station

What is AWOS?

200

A meteorological chart that displays expected temperature, wind direction and speed at specified altitudes

What is winds aloft forecast?

200

An unscheduled report taken when specific criteria are observed during the period between hourly reports

What is a SPECI?

200

This advisory alerts pilots to severe weather that is potentially hazardous to all aircraft

What is a SIGMET?

200

The most complete weather briefing a pilot can obtain

What is a Standard Brief?

200

A joint effort of the National Weather Service (NWS), the Federal Aviation Administration (FAA), and the Department of Defense (DOD)

What is ASOS?

300

These forecasts describe the potential for severe and non-severe convective activity across the contiguous U.S.

What is a Convective Outlook?

300

This report gives pilots insight into weather conditions directly observed from others during flight

What is a PIREP?

300

Issued for severe thunderstorms with surface winds greater than 50 knots, hail at the surface greater than or equal to ¾ inch in diameter, or tornadoes.

What is a Convective SIGMET?

300

Typically requested when a planned departure is 6 hours or more away

What is an Outlook Brief?

300

This system remains the best platform for observing temperature, wind, relative humidity, and pressure above the ground.

What is a Weather Balloon? 

400

Used by pilots to determine the forecast of surface weather patterns pertaining to pressure systems, fronts, and precipitation

What is a Prog Chart?

400

Only valid for 3 hours, this chart uses symbols for station plots, pressure lines, and frontal boundaries

What is a Surface Analysis Chart 

400

An unscheduled weather advisory issued by CWSU meteorologists for ATC use to alert pilots of existing or anticipated adverse weather conditions within the next two hours

What is a Center Weather Advisory? (CWA)

400

Used to update a previous briefing due to departure delay


What is a Abbreviated Brief?

400

Used by ATC to provide vital information and warnings about: hazardous wind shear conditions, precipitation, gust fronts, and microbursts.

What is TDWR? (Terminal Doppler Weather Radar)

500

Replaced the FA in the U.S. and provides a forecast for the enroute phase of flight.


What is a Graphical Area Forecast (GFA)

500

Provides precipitation intensity that could be up to 6 minutes old

What is ATC Radar Weather Display?

500

Advisory information on volcanic ash cloud issued in abbreviated plain language, using approved ICAO abbreviations and numerical values of self-explanatory nature.

What is a Volcanic Ash Advisory (VAA)?

500

This is a website a pilot can use in order to obtain a weather briefing.

500

This is considered by many to be the most powerful radar in the world, transmitting at 750,000 watts (an average light bulb is only 75 watts)! This power enables a beam of energy generated by the radar to travel long distances, and detect many kinds of weather phenomena.

What is WSR 88-D?