How do you read a winds aloft report?

If the wind speed is forecast to be from 100 to 199 kt., the forecaster will add 50 to the wind direction and subtract 100 from the wind speed. To decode, you must subtract 50 from the wind direction and add 100 to the wind speed.

How do you read the wind in a metar report?

METAR Wind Speed The first three digits 310 is the direction of the wind in degrees. The second numbers 06 mean refer to the wind speed in knots. KT means knots.

How do you read aeronautical weather reports?

Date and time of report—depicted in a six-digit group (161753Z). The first two digits are the date, the 16th of the month, and the last four digits are the time of the METAR, which is always given in coordinated universal time (UTC), otherwise known as Zulu time.

How do you read PIREPs?

How to read PIREPs

1. PIREPs are full of important and useful information.
2. Remember, these PIREPs represent actual conditions and therefore you should take any “Urgent/UUA” PIREP very seriously.
3. In general, PIREPs will generally stay in the system for an hour. After an hour they aren’t usually relevant.

What is a low level significant weather prognostic chart?

Low-Level Significant Weather Prognostic Chart: Provides information from the surface to FL240 (400 mbs) Altitudes from the surface to 17,999 are referenced using MSL altitudes. Altitudes from 18,000′ to FL240 are referenced using pressure altitude. Provided in two forecasts, 12 and 24 hours in 4 panels.

What values are used for winds aloft forecasts?

What values are used for Winds Aloft Forecasts? True direction and knots.

How do I decode a TAF report?

The format is a two-digit date and four-digit time followed, without a space, by the letter Z. Routine TAFs are prepared and filed approximately one-half hour prior to scheduled issuance times. TAFs are scheduled for issuance foure times daily at 0000Z, 0600Z, 1200Z, and 1800Z.

How do you read wind directions in aviation?

The dot end of the staff is where the wind is blowing to, while the top of the staff shows the direction from which the wind is coming. The top row of wind barbs in the figure to the right all indicate a north wind. The dot is to the south and the top of the wind barb staff is to the north.

What is the reported altitude based on the PIREP code?

The Process In some parts of the world, air traffic facilities are required to solicit PIREPs when any of the following conditions are reported or forecast: ceilings at or below 5,000 feet. visibility at or below 5 miles (surface or aloft)

How long is a PIREP valid?

How long is a PIREP valid? Operationally about 5 – 10 min. The weather is dynamic.