June 2009: Cloudy, Cool & Wet June 30, 2009

Prelliminary stats are in for June 2009 at BWI-Marshall. The month turned out slightly cooler than normal with only one “sunny” day (cloud cover 30% or less) and no days with a maximum temperature of 90° or higher.
Tom Tasselmyer

New Weather Satellite Launched June 29, 2009

NASA has launched the latest weather satellite.
Image above: Rising above the two lightning towers around the pad, a Delta IV rocket races into the sky with the GOES-O satellite aboard. Photo credit: NASA/Kim Shiflett
The item below is a portion of the press release concerning the launch.
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The GOES-O satellite lifted off from Launch Complex 37 at [...]

Tropics Heating Up June 27, 2009

A disturbance in the Caribbean is beginning to show signs of organization.

Hurricane forecasters do not see an immediate threat from  the feature but it is expected to drift into the Gulf of Mexico over the next day or two. Conditions will then be more favorable for further development.
If this disturbance were to become the season’s [...]

What is a weather forecast worth? June 26, 2009

A recent survey of American adults found that 96% use weather forecasts to some extent, 87% check the weather forecast at least once per day, and the average value of each forecast for these users is about 10.5 cents.  The survey was conducted in 2006 by the National Center for Atmospheric Research.
Some other interesting revelations [...]

Space Station View Of A Volcanic Eruption June 26, 2009

From Spaceweather.com :
Perfect timing. On June 12th, just as Russia’s Sarychev Peak volcano was erupting for the first time in 20 years, the International Space [...]

Two More Tornadoes June 22, 2009

Spring 2009 was cloudy, wet and wild, going out with a round of severe thunderstorms in the final hours of the season. The National Weather Service’s Baltimore/Washington Forecast Office surveyed storm damage in Harford and eastern Baltimore Counties on Sunday and determined two tornadoes did some damage in those areas on Saturday afternoon. [...]

Stormy Saturday? June 20, 2009

One more storm complex is slated to move across the region Saturday.
The Saturday morning surface map shows a low pressure area over the Great Lakes with a warm front (stalled at the time of the observations) reaching southeastward over the Bay and a cold front extending southwestward over the Ohio Valley. 
The Mid Atlantic region will [...]

Wet, Wet, Wet!!! June 19, 2009

The area got soaked again Thursday.

BWI-Marshall Airport … 1.77″
Baltimore Inner Harbor … .96″
TV-Hill … .73″

This continues the trend we have seen all spring with considerable cloud cover and excessive rainfall.

More rain is in the forecast for the final couple of days of spring. The forecast map below shows the next storm system that will be [...]

Missing Sunshine June 16, 2009

With another cloud day recorded on Tuesday, there have been no “sunny” days in Baltimore this June.  A sunny day, climatologically, is a day when the sunrise to sunset cloud cover is 30% or less.  In fact, for April, May, and the first half of June, there have been just 10 “sunny” days.  The normal [...]

Dundalk Tornado June 12, 2009

A report from the National Weather Service has confirmed the stormy nature of this second week of June 2009 in the Baltimore area.  The Storm Damage Survey Team from the Baltimore/Washington Forecast Office was able to determine that a small tornado briefly touched down in the Dundalk area Tuesday afternoon.  Details of their report are [...]