And still more rain… May 30, 2009

With another round of heavy showers and thunderstorms moving through the area Friday afternoon, the official rainfall for the month of May at BWI-Marshall has topped 8″ for only the second time since weather records began back in 1870.  With just two days left in the month, only May of 1989 ranks wetter than May [...]

Rainy May May 29, 2009

It should surprise no one that this May is turning out to be one of the wetter ones in the Baltimore record books.

The list above highlights the five wettest Mays on record for Baltimore. As of the end of Thursday, May 28, this May ranks fourth.
Showers and thunderstorms are in the Friday forecast and it [...]

Friday Tropical Update May 29, 2009

Tropical Depression 1 continues to move in a northeasterly direction over the relatively warm waters of the Gulf Stream. The storm remains marginal and is expected to weaken as it eventually moves over cooler water.

The early morning visible satellite image above is interesting. It shows that the significant thunderstorm activity associated with the storm is [...]

First Tropical Depression of the Season May 28, 2009

The 2009 Hurricane Season is off to an early start as Tropical Depression 1 has developed off the Mid Atlantic coast. The Hurricane Season officially starts June 1.

The storm’s position is a bit unusual for this early in the season. The explanation is that the disturbance was able to develop over the rather narrow band [...]

Record Rainfall May 27, 2009

Preliminary numbers are in for Tuesday. Rainfall at BWI-Marshall Airport established a new record for the date. 

The Climate Summary also shows that the high temperature for the day was at 2:10 in the morning. As the rain moved in and a cool front moved into the area, temperatures had fallen by daybreak and would remain [...]

Wet May…again… May 27, 2009

For the second year in a row rainfall in the month of May has topped 7 inches, with both totals landing in the top 5 wettest of all-time in Baltimore.  A record setting 2.29″ fell at the airport as of late Tuesday evening.  With just under a week to go in May 2009, the 7.10″ [...]

Wet Weather May 26, 2009

Good weather held together across the region for most of the Memorial Day extended weekend. The chance for rain threatened much of the weekend but nothing substantial happened until Monday Afternoon. Since that time, some significant rains have hit the area.
NWS Doppler Radar, Sterling, Va. … Storm Total Estimate
The image above shows the rain total from the [...]

NOAA 2009 Hurricane Outlook May 21, 2009

The Moon, Mars and Venus May 20, 2009

With strong high pressure over the mid Atlantic region producing clear skies, early risers on Thursday will be treated to a triangular arrangement of three heavenly bodies.  Look east just before dawn to see the crescent Moon along with Mars and Venus just above the horizon.  Spaceweather.com provided the map below to navigate your way [...]

Record Low Temperature May 19, 2009

A new record low temperature was established in Baltimore Tuesday morning. The temperature dropped to 37.9 degrees around daybreak at BWI-Marshall Airport. This is a preliminary reading and after verification it will probably be rounded up to 38 degrees. The old record low was 39 degrees, set in 2003.

The morning satellite picture shows clear skies [...]