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Sirius XM Weather Items, Descriptions & Broadcast Intervals

The following Sirius XM items can be displayed in Anywhere Map:

Aviator Lite

NEXRAD

Including Light Precipitation and Looping A mosaic of data from all the NEXRAD radar sites in the U.S., color-coded to indicate storm severity. NEXRAD (Next Generation Radar) is the standard reference for the National Weather Service’s Doppler radar network. A completed scan from each active NEXRAD radar is collected and integrated into a national grid, manually inspected and refined by meteorologists, then instantaneously distributed via satellite to XM WX subscribers. High Resolution NEXRAD from XM WX is composed of any precipitation exceeding 10dBz in intensity, and incorporates multiple radar elevations for an accurate look at conditions relevant to users in the air, at sea and on the ground.

XM broadcasts NexRad data every 5 minutes

Metars

Reports that provide information on current sky and weather conditions, including temperature, dew point, wind speed/direction, barometric pressure and visibility. These reports are either made automatically, or by trained observers. Additionally, SPECI observations are supported to notify users of significant short-term weather changes.Display as text in weather information as well as graphically on the map.

XM broadcasts Metar data every 12 minutes

TAFs

Terminal Aerodrome Forecasts issued by the National Weather Service for pilots. They include 24-hour forecasts on wind, visibility, expected weather conditions and wind shear.

XM broadcasts TAF data every 12 minutes

Surface Winds

Provides wind direction measured at 10 meters above sea level derived from Metar data.

XM broadcasts Surface Winds data every 12 minutes

City Forecasts

Five-day forecasts for major U.S. cities, including forecasted high and how temperatures, chance of precipitation and sky conditions for each day.

XM broadcasts City Forecast data every 12 minutes

TFRs

An acronym for Temporary Flight Restrictions. Identifies volumes of airspace where all aircraft are temporarily restricted from entering unless a waiver has been issued. TFRs are routinely issued for occurrences such as sporting events, dignitary visits, military depots and forest fires.

XM broadcasts TFR data every 12 minutes

Aviator (all Aviator Lite items plus the following)

Storm Cell Identification and Tracking

Patented, arrow-like indicators that incorporate NEXRAD radar data and advanced processing to identify the location of strong storms. Information is provided on forecasted storm direction, speed, hail size estimates and wind shear. Severe Weather Storm Tracks deliver more timely, site-specific information, and are depicted at the center of an area of concern.

XM broadcasts SCIT data every 1¼ minutes

IR SAT

Displays cloud cover over the continental United States and hundreds of miles off its coastline. An advanced formula estimates cloud temperatures at various altitudes across the country and converts them into estimated cloud height. Clouds below 5,000 feet are so close to ground temperatures, they are not shown.

XM broadcasts Satellite Mosaic data every 15 minutes

Echo Tops

A radar-derived data product that indicates the highest altitude at which precipitation is falling. Since severe storms tend to grow vertically, users can gauge storm intensity by observing Echo Tops. The data is provided in increments of 5,000 feet.

XM broadcasts Echo Top data every 7.5 minutes

Winds Aloft (at Elevation)

Displays wind speed and direction information from the surface up to 42,000 ft. in altitude. Winds Aloft data is provided in 3,000-ft. increments.

XM broadcasts Winds Aloft data every 12 minutes

Lightning

Uses the National Lightning Detection Network (NLDN), the official lightning detection of the U.S. National Weather Service, to identify cloud-to-ground lightning strikes. Lightning typically occurs in thunderstorms, and can strike miles from the storm center. Consisting of remote, ground-based lightning sensors, XM WX lightning data is supplied by the most accurate and reliable large-scale lightning detection network in the world.

XM broadcasts Lightning data every 5 minutes

Surface Analysis

A display of high ("H") and low ("L") pressure systems at the earth’s surface. Pressure is measured at the center of the system in millibar units; cold and warm fronts are indicated along with the front’s direction of movement.

XM broadcasts Surface Analysis data every 12 minutes

AIRMETs

An acronym for AIRman's METeorological Information. Advises of weather that may be hazardous to single engine, light aircraft and Visual Flight Rule (VFR) pilots. This advisory affects an area of at least 3,000 square miles at any one time and provides data in ceiling, obscuration and turbulence. AIRMET types include IFR, mountain obstruction, icing, strong surface winds and turbulence.

XM broadcasts AIRMET data every 12 minutes

Turbulence

The turbulence data product allows you to monitor conditions by indicating the potential for erratic movement of high-altitude air mass-associated winds. Turbulence is classified in three levels of severity. The data shows conditions between 21,000 and 45,000 feet in altitude, displayed in 3,000-foot increments.

XM broadcasts Turbulence data every 12 minutes

Ice

Issued by the Aviation Weather Center, CIP identifies the current icing environment from 1,000 feet to 30,000 feet in 3,000 feet increments. The Current Icing Product is classified by the percentage of probability, or on one of five levels of severity, supplying you with information on areas where icing may occur.

XM broadcasts Icing data every 12minutes

SIGMETs

An acronym for SIGnificant METeorological Information. Advises of potentially hazardous weather, other than convective activity, to all aircraft. This advisory affects an area of at least 3,000 square miles at any one time and provides data on icing, turbulence, dust and volcanic ash.

XM broadcasts SIGMET data every 12 minutes

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