ASA Chapter 8 - Reports and Forecasts of Hazardous Weather

What weather conditions are depcited in the area inidcatied by arrow A on Radar Summary Chart

stron to very strong echoes echo tops 30000 feet MSL thunderstorms and rain showers

What infomration is provided by a convescitve outlook (AC)

It provides prospects of both general and severe thunderstrom activity during the following 24 hours

How will an area of thunderstorm activity that may grow to severe intensity be indicated on the Severe Weather Outlook Chart

APCHG within any area

When are severe weather watch bulletins issued

Unscheduled and issued as required

THe Hazardous Inflight Weather Advisory Service (HIWAS) is a continuous broadcast over selected VORs of

SIGMETS CONVECTIVE SIGMETS AIRMETS severe weather forecast alerts (AWWA) and Central Weather Advisories

At what time are current AIRMETS broadcast in their entirety by the HIWAS?

There is a continuous broadcast over selected VORs of Inflight Weather Advisories

If a SIGMET alert is announced how can information contained in the SIGMET be obtained

By contacting the nearest AFSS

SIGMETS (other than domestic convective SIGMETS) may be valid for not more than

4 hours for other phenomena

If squalls are reported at the destination airport what wind conditions existed at that time

A sudden increase in wind speed of at least 16 KTS the speed rising to 22 KTS or more for 1 minute or longer

Which system in the Convective SIGMET listing has the potential of producing the most severe storm

The isolated storm 50 miles northeast of Memphis

What time period is covered by the outlook section of the Convective SIGMET

2 - 6 hours after the valid time

Which type weather conditions are covered in the Convective SIGMET

Embedded thunderstorms lines of thunderstroms and thunderstroms with 3/4 inch hail or tornadoes

The telephone infomration briefing service recordings are provided by slected AUtomated Flight Service Stations and

contain area briefings encompassing a 50 NM radius

All ATC facilities using radar weather processors witht he ability to determine precipitation intensisites will describe the intenisty as

light moderate heavy extreme

Maximum trubulence potential charts ARE ISSUED