Thursday, March 8, 2007

March of the Penguins


Sunny, cold. Washington's penguin-friendly weather continued today with temperatures struggling to reach the 40s. Under bright March sun, highs were only 40° at National, 41° at Dulles (low of 11° tied a record), 38° at BWI. After another chilly day tomorrow, more seasonable temperatures are on tap for the weekend.

Tonight and Tomorrow

Mostly clear, cold. Tonight will be mostly clear with lows in the low 20s downtown to the mid and upper teens in 'burbland. Tomorrow will be sunny and continued cold, highs 40-43°.

For the outlook through the weekend and beyond with Larson's Long-Range, scroll down to Josh's post below. chart from NWS data, photo © Kevin Ambrose


Kim Stanley Robinson, author of the just-published third volume in a near-future climate change trilogy set right here in Spin City, was interviewed today on WAMU's Kojo Nnamdi show. Robinson has won numerous science fiction awards, including the Nebula and Hugo for his Mars colonization trilogy. Streaming audio is available on the program's web site.

Beginning Sunday night, The Weather Channel is featuring "Tornado Week" with 2 new episodes of "Storm Stories" (including the 100th of the series) and nightly reports "Live From Tornado Alley."

Wednesday, March 7, 2007

Chilly Thrills

**Snow Advisory expires 7 PM **


Light snow ending, very cold. Courtesy of some late-season Arctic air and a lingering clipper system, Washington snow lovers were treated to some extra frosting on the end of this year's late-starting winter. Despite seasonally frigid temperatures, accumulations were generally light, except well west of the immediate metro area. National reported 2" at 6pm (0.15" liquid), increasing the season's total by over 20%. Dulles had 1.4" and BWI 0.8". To the west, Frostburg MD had 10", and amounts were as high as 5.5" in Frederick Co. MD.

Today's highs so far were 28° at National, 30° at Dulles, 27° at BWI. National's high was an impressive 25° below the long-term average and only 1° above the lowest recorded maximum for the date.

Following a couple more cold days, more springlike conditions are on tap by the weekend.

Picture of snow at the beach from the Bethany Cam.

Tonight and Tomorrow

Decreasing clouds, cold. Any remaining light snow or flurries will be ending this evening, with clouds decreasing after midnight and lows in the low 20s in town to the upper teens in 'burbland. Tomorrow will be mostly sunny and continued chilly for the season, with highs in the low 40s.

Killer Tornado

It may seem a little out of season, but yesterday was the publication date of "Storm Warning: The Story of a Killer Tornado" by local author and former journalist Nancy Mathis. The book is about the May 3, 1999 Oklahoma City tornado. The author will be presenting a talk at the next meeting of the DC Chapter of the American Meteorological Society at 7pm on Monday, March 19 at the AAAS in Washington. The meeting is free and open to the public, but RSVP is required.

Tuesday, March 6, 2007

Snow Advisory Tomorrow

**Snow Advisory in effect from 7 AM to 7 PM Wednesday**


Sunny, windy, cold. Sunny skies, brisk northwesterly winds, and temperatures barely reaching freezing are setting the stage today for another whirl of the wonderful Washington winter weather wheel. The air is also extremely dry, with dewpoints generally below 0° (relative humidity around 20%).

A "clipper" weather system now over the Great Lakes will be diving southeastward, bringing some snow to the Mid Atlantic area tomorrow. The latest model runs this afternoon continue to show that temperatures will be cold enough for snow, but that precipitation amounts are likely to be fairly light. For the metro area, that translates into 1-2" being the most probable amount, although one model does push slightly heavier amounts closer to the area.

Today's highs were 33° at National, 32° at Dulles, 31° at BWI.

Surface and radar chart at 4pm today from WSI/Intellicast

Tonight and Tomorrow

Increasing clouds, cold, light snow developing. Clouds will increase overnight with lows in the low 20s in town to the upper teens in the 'burbs. Some light snow is likely to develop by dawn with some periods of moderate snow possible during the day and highs around 28-32°. Accumulations in the immediate metro area are likely to be 1-2".

For the details of the Snow Lover's Crystal Ball, scroll down to Matt's post below.

Monday, March 5, 2007

Winds March In

*Wind Advisory in Effect until 11pm today*


Windy, cool. It's meteorological spring, but a cold pool of air moving southeastward over the Northeast and Mid Atlantic area will give another taste of winter for the next couple of days. Winds ahead of the approaching strong cold front gusted as high as 40 mph at times in the region today, while temperatures reached generally into the low 50s. A wind advisory remains in effect, so be careful with high profile vehicles, lawn furniture, trash cans, pets, and small children.

A "clipper" system moving in from the northwest offers at least the possibility of some light snow on Wednesday. The latest models this afternoon indicate that temperatures will be sufficiently cold for snow, but the most significant precipitation is still likely to be north and west of the metro area.

Tonight and Tomorrow

Mostly clear, windy, cold. Tonight will be mostly clear and windy with lows in the low 20s in town and down to the mid teens in the cooler 'burblands. Tomorrow will be sunny and breezy with highs only in the mid 30s.

For the outlook through the rest of the week and the Snow Lover's Crystal Ball, scroll down to Jason's post below.

Temperature chart at 3pm today from Unisys

Mediarology: Sweeps Update

Friday's WaPo had more data on the local TV news ratings during February "sweeps" and their relationship to weather coverage. Viewership was up for all stations, but Channel 4, WRC, won the ratings race in head-to-head competition. WTTG-5 was aided in the 10:00 time slot by "American Idol".

Weather was apparently also a major factor in Pittsburgh ratings, and the Borowitz Report had a comment on the subject as well.

Seasonal Outlook

Latest seasonal forecast: Click here.

Latest 3-month temperature outlook from Climate Prediction Center/NWS/NOAA.