Forensic Meteorology Blog

17 Oct

Winter Weather 2013-2014

General Info, Weather ConditionsComments are off

ENSO (water temperatures near equator) signal can impact the Winter weather especially in the United States. This link is to the International Research Institute for Climate and Society. A great think tank. Outlook for this coming winter 2013-2014 is for Neutral conditions. Thus, many areas will have normal temperatures and rain (snow).

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09 Jul

Unstable Weather

General InfoComments are off

Summer is the time we get unstable weather over the United States and the thundershowers can be intense. If you want us to retrieve historic weather records we can do that. If you want to monitor real time conditions this site will give you a head up and click here

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06 Apr

Historic Weather

General InfoComments are off

In many cases weather data from weather stations over the United States is available back to at least 1950. In some cases one can get later data. Same thing goes for surface weather map and upper level weather data on a worldwide basis.

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17 Apr

Satellite Data

General InfoComments are off

Most of us are well aware of the GOES satellite data that are available in investigating aviation incidents and GOES data can be very helpful.  Recently, however, NASA has made available data from two low-orbiting satellites that can greatly enhance a weather analysis. The Tropical Rainfall Measuring Mission (TRMM) satellite has an onboard radar and

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04 Apr

Archived Weather Data

General Info, Weather ConditionsComments are off

There are times that we just need to take a quick look at some historic weather data in an aircraft crash incident and it is good to take a look at some web sites. One of the better sites to get weather maps is this free site http://www.hpc.ncep.noaa.gov/dailywxmap/ which contains maps for the US and Cananda.

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17 Oct

Icing

Icing on WingsComments are off

Historically, aviators have been concerned with icing that occurs when super-cooled liquid water freezes upon contact with an airframe at temperatures below 0C. Generally at very cold temperatures, the amount of super-cooled water present in a cloud decreases. At temperatures below -40C, it is generally accepted that super-cooled water does not exist in clouds, and

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15 Apr

New Airborne Radar

General Info, Weather for PilotsWith 0 comments

For a few years now FAA Federal Aviation Regulations have required  all air carrier operators to operate with an approved airborne weather radar. The new airborne Doppler weather radars detect wind shear. The requirement for having this radar has greatly reduced the potential for accidents caused by microbursts. (Operations within the states of Hawaii and

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