How do you read a meteogram?
The Meteogram label shows the three letter identifier of the station followed by the year, month, day / UTC time (YYMMDD/HHHH) for the beginning and ending of the data interval. e.g. Meteorgram for SLC 101024/1800 – 101025/1800 is Salt Lake City, UT from 2010 October 24 at 1800 UTC to 2010 October 25 at 1800 UTC.
What is the symbol for wind speed?
Wind speed. A combination of long/short barbs and pennants indicate the speed of the wind in station weather plots rounded to the nearest 5 knots. Calm wind is indicated by a large circle drawn around the skycover symbol. One long barb is used to indicate each 10 knots with the short barb representing 5 knots.
What do the circles mean on a weather map?
When you see a cold front on a weather map, it means a colder air mass is trying to replace warmer air. The front marks the leading edge of the cold air. The blue triangles always point in the direction that the front (and the cold air) is going. A red line with half-circles on one side signifies a warm front.
What do white lines on a weather map mean?
It basically means that area may be having clouds with some precipitation, but typically it’s not too extreme. White lines show changes in air pressure. Numbers on these lines are called millibars, a measure of force.
What is the purpose of a Meteogram?
Meteograms. Meteograms. Meteograms show a time series (that is, a sequence over time) of surface weather conditions observed at a particular weather station.
How do I create a meteogram in Excel?
In the “Field 1” box, select “Temperature – 2 meters AGL (SFC)”. In “Field 2:” select “Accumulated Precip (SFC)”. In “Output Options:”, choose “Text only”. Type in the series of letters at the bottom and click “Get Meteogram”.
How do I know if I have cloud cover?
In meteorology, cloud cover is measured in oktas, or eighths of the sky. If you look up at the sky, and mentally divide it into eight boxes, then imagine all the cloud you can see squashed into these boxes. How many boxes does the cloud fill? This is how many oktas of cloud there are.
How do you read a wind chart?
The wind rose located in the top right corner of each data map shows the general wind direction and speed for each sampling period. The circular format of the wind rose shows the direction the winds blew from and the length of each “spoke” around the circle shows how often the wind blew from that direction.