Surface Weather Map Analysis

Pacific ocean analyses north of 30 o n and atlantic ocean analyses north of 31 o n are provided by ncep s ocean prediction center.

Surface weather map analysis. These are updated every 12 hours around 0730 utc and 1930 utc with. To make that job easier the map has been redrawn below with just the pressure data shown. A surface weather analysis is a type of weather map that depicts positions for high and low pressure areas as well as various types of synoptic scale systems such as frontal zones. An analysis chart which shows the observed state of the weather is issued along with forecast charts up to five days ahead.

Our first job will be to draw in some isobars. Surface weather map analysis example. A surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based. The highest pressure value on the map is 1009 6 mb the lowest is 994 0 mb.

Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based weather stations. A collection of current surface weather maps for oklahoma the southern plains and the united states. Alaska volcano observatory avo local info. Remember you must add either a 9 or a 10 in front of the data plotted on the map.

Isobars are normally drawn at 4 mb increments beginning. Area fax sheets. Isotherms can be drawn on these maps which are lines of equal temperature. Model graphics ncep volcano info.

Analyses understanding current conditions is the starting point and the most critical part of any weather forecast. You must also add a decimal point. However surface observations outside of wpc s area of responsibility are still depicted. A surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based.

We ll use the map and data below to illustrate the analysis procedure. Hundreds of weather stations ships and aircraft across canada the us and the rest of the world report readings of temperature pressure wind moisture and precipitation. Us dept of commerce national oceanic and atmospheric administration national weather service alaska aviation weather unit 6930 sand lake road anchorage ak 99513 907 266. The national hurricane center analyzes features south of 31 o n in the atlantic including florida mexico and the gulf of mexico and south of 30 o n in the pacific ocean.

Isotherms are drawn normally as solid lines at a preferred temperature interval.