Capital Weather Gang: Floods
Posted at 10:56 AM ET, 01/31/2013
By Jason Samenow
A mad rush of warm, humid air from the sub-tropics triggered an unusual January episode of wind-driven rains over the Washington, D.C. metro region Wednesday night
By Jason Samenow |
10:56 AM ET, 01/31/2013 |
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Posted at 11:43 AM ET, 11/01/2012
By Jason Samenow
What if Hurricane Sandy had tracked 300 miles south, making landfall in Va. instead of Atlantic City?
By Jason Samenow |
11:43 AM ET, 11/01/2012 |
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Posted at 04:25 PM ET, 10/31/2012
By Jason Samenow
As the runoff from Sandy’s
prolific rains washes down the Potomac river, rounds of coastal flooding in Alexandria and Georgetown will last into Thursday.
By Jason Samenow |
04:25 PM ET, 10/31/2012 |
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Posted at 09:30 AM ET, 08/27/2012
By Jason Samenow
Heavy rainfall also fell along I-95 over the weekend, dousing the Chesapeake Bay and Delmarva.
By Jason Samenow |
09:30 AM ET, 08/27/2012 |
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Posted at 10:33 AM ET, 07/11/2012
By Jason Samenow
A weak area of low pressure passed over the D.C. area yesterday evening. As the atmosphere was flush with moisture, a very localized, but intense band of thundershowers developed between central Fairfax county and north central Prince George’s county. Torrential rain accompanied the thundershowers - with the heaviest rain falling in the heart of the District of Columbia.
By Jason Samenow |
10:33 AM ET, 07/11/2012 |
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Posted at 10:30 AM ET, 01/25/2012
By Justin Grieser
A powerful storm, now equivalent to a Category 4 hurricane, has been spinning off the coast of southeast Africa since late last week. Currently packing sustained winds near 138 mph, Tropical Cyclone Funso has brought gusty conditions and flooding rain to coastal regions of Mozambique. Officials are concerned about possible food shortages following the destruction of a major national highway.
By Justin Grieser |
10:30 AM ET, 01/25/2012 |
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Posted at 10:42 AM ET, 01/17/2012
By Andrew Freedman
Global warming-related sea level rise constitutes a major threat to the nation’s capital, with the potential to inundate national monuments, museums, military bases, and parts of the Metro Rail system during the next several decades and beyond, according to a recent study published in the journal “Risk Analysis.” The study helps localize a problem that is more typically discussed at the global level, and makes clear that public officials must make decisions in the near-term in order to minimize future losses.
By Andrew Freedman |
10:42 AM ET, 01/17/2012 |
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Posted at 10:55 AM ET, 12/29/2011
By Justin Grieser
Earlier this week, we looked at the
top five extreme weather events to impact the U.S. this year. Not confined to any particular borders, Mother Nature also brought extreme conditions to other parts of the world in 2011, including deadly storms, flooding and prolonged drought. Globally, extreme weather events were responsible for tens of thousands of deaths, not to mention billions of dollars in damages. Let’s take a look at the top 5 extreme weather events to occur outside the U.S. in 2011.
By Justin Grieser |
10:55 AM ET, 12/29/2011 |
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Posted at 10:52 AM ET, 12/08/2011
By Jason Samenow
Wednesday’s storm had it all: heavy mountain snow, raging wind, and severe thunderstorms in the Virginia Tidewater and southern Maryland. But it was truly exceptional as a rain-producer, and the wettest day Washington, D.C. has ever experienced during the cold season spanning November to March.
By Jason Samenow |
10:52 AM ET, 12/08/2011 |
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Posted at 02:18 PM ET, 12/07/2011
By Jason Samenow
A flood warning for urban areas and small streams has been issued through 8 p.m. for the greater Washington D.C. area
By Jason Samenow |
02:18 PM ET, 12/07/2011 |
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Posted at 12:44 PM ET, 09/23/2011
By Jason Samenow
A Flash Flood Watch is in effect through this evening as a plume of heavy rain flows through the region from southwest to northeast. A general 2-3” of rain is possible with locally higher amounts. Flash flood warnings are in effect for selected areas. Follow this post for the latest updates.
By Jason Samenow |
12:44 PM ET, 09/23/2011 |
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Posted at 12:00 PM ET, 09/22/2011
By Kevin Ambrose
After Lee’s heavy rain, I made a trip to one of my favorite arrowhead hunting grounds, located on a small creek that flows into the Potomac River near Dumfries, Va. I was thinking that the erosion from Lee might uncover some arrowheads. My assumption was correct. The video in this post shows the hunt.
By Kevin Ambrose |
12:00 PM ET, 09/22/2011 |
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Posted at 02:50 PM ET, 09/20/2011
By Jason Samenow
Hurricane Irene and the remnants of tropical storm Lee are long gone. Power is restored and flood waters have receded. But unwelcome post storm impacts are emerging. Pumpkin production has been smashed particularly north of the D.C. metro region, and mosquitoes are swarming.
By Jason Samenow |
02:50 PM ET, 09/20/2011 |
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Posted at 12:00 PM ET, 09/15/2011
By Kevin Ambrose
If you travel east on Sunrise Valley Drive between the Fairfax County Parkway and the Reston Parkway you will notice the lanes are closed near Glade Drive. The closure is caused by a sinkhole in the eastbound lanes that was created by the flooding rains of Tropical Storm Lee. Capital Weather Gang decided to do some investigative reporting, to get to the bottom of Reston’s sinkhole.
By Kevin Ambrose |
12:00 PM ET, 09/15/2011 |
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Posted at 10:30 AM ET, 09/14/2011
By Jason Samenow
Thanks to the onslaught of tropical downpours from hurricane Irene and the remnants of tropical storm Lee, portions of the Chesapeake Bay watershed have received in excess of 32” of rain over the last two weeks according to NOAA. This rain and associated runoff have all made its way into the Bay.
By Jason Samenow |
10:30 AM ET, 09/14/2011 |
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Posted at 03:15 PM ET, 09/12/2011
By Jason Samenow
On Thursday, September 8, Ft. Belvoir received an astounding 7.03” of rain in three hours. According to the National Weather Service (NWS), that amount of rain in that amount of time was an “off the charts above a 1000-year rainfall (based on precip frequency from Quantico).”
By Jason Samenow |
03:15 PM ET, 09/12/2011 |
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Posted at 02:15 PM ET, 09/12/2011
By Andrew Freedman
Residents of hard-hit communities in northeastern Pennsylvania and areas of neighboring New York State began the long recovery process following devastating flooding from the remnants of Tropical Storm Lee. The Susquehanna River continued receding after setting new all-time records in Binghamton, New York and Wilkes-Barre, Pennsylvania. The storm is being blamed for seven deaths in Pennsylvania, where rainfall amounts reached more than 15 inches in Lancaster County.
By Andrew Freedman |
02:15 PM ET, 09/12/2011 |
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Posted at 12:20 PM ET, 09/12/2011
By Kevin Ambrose
A man with an umbrella is chest-deep in water searching for his car at the Reston North Park & Ride lot last Thursday. The commuter lot was submerged in water from the heavy rain related to the remnants of Tropical Storm Lee.
By Kevin Ambrose |
12:20 PM ET, 09/12/2011 |
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Posted at 01:30 PM ET, 09/09/2011
By Jason Samenow
Rainfall rates Thursday were incredible at times, as high as 2-4” per hour, leading to widespread flooding in northern Virginia, particularly Fairfax county. This post contains a sampling of photos from throughout the region, submitted by Capital Weather Gang blog readers, Facebook fans, and Twitter followers.
By Jason Samenow |
01:30 PM ET, 09/09/2011 |
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Posted at 10:15 AM ET, 09/09/2011
By Ian Livingston
There are certain weather events that get etched into our memories because of their impact. This week’s flooding rains are sure to end up in that category for many in the Washington region. While the rain event is not completely over, some early comparisons can be made by taking a look at the historical record in the area.
By Ian Livingston |
10:15 AM ET, 09/09/2011 |
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Posted at 01:10 PM ET, 09/08/2011
By Jason Samenow
Driving through flood water is a bad idea. In fact, it’s downright dangerous. That didn’t stop many from trying to do exactly that yesterday as these photos and videos clearly demonstrate.
By Jason Samenow |
01:10 PM ET, 09/08/2011 |
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Posted at 10:40 AM ET, 09/08/2011
By Jason Samenow
Relentless and punishing: words used to describe the heat in June and July can now describe the onslaught of torrential showers and thunderstorms since late Sunday. East of D.C., 6-10 inches of rain over the last four days has been common and widespread flooding has occurred. An uncommon combination of moisture streams has converged to make this prolific rain-producer possible.
By Jason Samenow |
10:40 AM ET, 09/08/2011 |
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Posted at 10:58 AM ET, 09/07/2011
By Jason Samenow
A flash flood warning has been issued until 1:45 p.m. for the District, eastern Fairfax county, Arlington, Alexandria, east Falls Church city, western Prince George’s county, and central Charles county as a long, narrow slug of torrential rain moves over the region. Rainfall of 2” in just an hour or two is possible. Remember never try to drive through flooded roadways, turn around, don’t drown.
By Jason Samenow |
10:58 AM ET, 09/07/2011 |
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Posted at 11:00 AM ET, 09/06/2011
By Jason Samenow
The rain poured down fast and furiously last night producing 1-2” of rain across the immediate metro region, and up to 2-4” to the west and southwest. The rain, which prompted several flash flood warnings, was just the first of several waves of rainfall likely over the next few days. By the end of the work week, cumulative rainfall totals may reach 3-6” in the immediate metro region, with 4-8” towards the mountains. With in both of these areas, locally higher amounts cannot be ruled out.
By Jason Samenow |
11:00 AM ET, 09/06/2011 |
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Posted at 09:20 AM ET, 08/15/2011
By Jason Samenow
When the heavy rain finally arrived Sunday evening, it fell fast and furious. But, in some spots, it was pretty much a no show. Amounts were highly variable ranging from as little as 0.1” west and southwest of the District to almost 3” in portions of Montgomery and northeast Prince George’s county. The locations with the highest totals were subject to some extreme rainfall rates as well as an onslaught of lightning.
By Jason Samenow |
09:20 AM ET, 08/15/2011 |
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Posted at 10:09 AM ET, 06/17/2011
By Jason Samenow
Generally half an inch to two inches of rain fell in the heart of the metro region Thursday night, at least temporarily quenching the thirst of area lawns and gardens.
By Jason Samenow |
10:09 AM ET, 06/17/2011 |
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Posted at 09:00 AM ET, 04/18/2011
By Jason Samenow
More than 40 severe weather warnings were issued across northern Virginia, northeast West Virginia, and central Maryland Saturday. And while the storms were nowhere near as violent as those that hit southern Virginia and North Carolina, some parts of our region continue to feel their effects.
By Jason Samenow |
09:00 AM ET, 04/18/2011 |
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Posted at 11:45 AM ET, 04/14/2011
By Jason Samenow
It’s simply not fair. Last Saturday was overcast with highs in the low 50s. This coming Saturday, the possibility of heavy, even flooding rain looms as a slow moving front trudges towards the region. Is this spring turning into one of the worst in recent memory weatherwise?
By Jason Samenow |
11:45 AM ET, 04/14/2011 |
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Posted at 11:00 AM ET, 03/10/2011
By Jason Samenow
Rain continues steadily this morning. For the most part the rains haven’t been heavy enough to cause street flooding or stream and creek flooding. However, strong flow from the southeast has caused tidal waters to rise, prompting the National Weather Service to issue a Coastal Flood Warning now in effect through 3 a.m. tonight.
By Jason Samenow |
11:00 AM ET, 03/10/2011 |
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Posted at 06:30 PM ET, 03/09/2011
By Jason Samenow
If you have any question about why we’re expecting heavy rain through tomorrow night and possible flooding of streams and creeks, just look at the expanse of the cloud field (shown above) associated with the frontal system coming through over the next 36 hours.
By Jason Samenow |
06:30 PM ET, 03/09/2011 |
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Posted at 12:45 PM ET, 11/19/2010
By Steve Tracton
As reported recently in the Washington Post, a flood control plan is in the works to protect the Washington Mall and large sections of downtown DC by constructing large earthen berms and eight-foot high aluminum panels just west of the Mall near the Washington Monument (see enlarged map).
But will this project alone offer anything close to a guarantee that DC's flood problems will become something of the past? No way!
By Steve Tracton |
12:45 PM ET, 11/19/2010 |
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Posted at 06:15 PM ET, 09/30/2010
By Jason Samenow
This isn't over.
Another large area of rain extending southeast through North Carolina and into the Atlantic ocean is headed north and taking aim at the metro region. Rain will again overspread the metro region over the next several hours. Based on current radar trends and model guidance, it looks like another 1-2" of rain could fall in inside the beltway, around 1" in the north and west suburbs (with amounts decreasing further north and west of eastern Loudoun and Montgomery counties) and 1-3" in the eastern suburbs. As with this morning's rain, some locally heavier amounts are possible as well as flash flooding.
By Jason Samenow |
06:15 PM ET, 09/30/2010 |
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Posted at 02:00 PM ET, 09/30/2010
By Jason Samenow
Rain is starting to diminish in coverage and intensity from south to north, after a general 2 to 4.5 inches since last night. The big exception is around the Chesapeake Bay - primarily counties on the west side - where totals have reached 5 to 8 inches and rain continues.
Though rain is currently on the decrease in many locations, scattered showers remain likely through the afternoon. More importantly, a second wave -- positioned near the North Carolina/South Carolina coast -- is beginning to surge north. This wave, also rich in deep tropical moisture, may bring another round of torrential rain tonight - particularly along and east of I-95.
By Jason Samenow |
02:00 PM ET, 09/30/2010 |
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Posted at 10:55 AM ET, 09/30/2010
By Jason Samenow
A vast feed of deep tropical moisture extending south of Cuba is shooting up a front draped across the East Coast producing copious rainfall totals across the entire region. Through 9 a.m., generally 1.5-5 inches of rain has fallen across the region, with the highest amounts near the Bay. In the immediate metro area, the highest amounts have been in south central Fairfax county to eastern Prince William county where 2.5-4+" have fallen.
By Jason Samenow |
10:55 AM ET, 09/30/2010 |
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Posted at 09:30 AM ET, 09/30/2010
By Jason Samenow
One to three inches (localized amounts to near 4") of rain have already fallen across the metro region this morning. The heaviest rain has fallen from eastern Prince William county into central Fairfax county. At least another 1-3" is on the way as copious tropical moisture streams northward.
By Jason Samenow |
09:30 AM ET, 09/30/2010 |
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Posted at 06:20 AM ET, 09/30/2010
By Jason Samenow
Torrential rains have prompted the National Weather Service to issue a Flash Flooding Warning for the entire metro region until 10:45 a.m. this morning. Excerpt:
By Jason Samenow |
06:20 AM ET, 09/30/2010 |
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Posted at 03:11 PM ET, 09/29/2010
By Jason Samenow
NOAA's Hydrometeorological Prediction Center is sounding the alarm bells about possible flooding in the mid-Atlantic, including the entire D.C. metro region.
In its "Excessive Rainfall Discussion" released at 2:41 p.m., it warned:
...VERY DANGEROUS EXCESSIVE RAINFALL/FLASH FLOOD EVENT FOR THE MID-ATLANTIC INTO NORTHEASTERN U.S...
and cautioned:
...SETUP IS SOMEWHAT SIMILAR TO THE JUNE 26-29...2006 HEAVY RAINFALL EVENT...
By Jason Samenow |
03:11 PM ET, 09/29/2010 |
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Posted at 02:55 PM ET, 09/27/2010
By Jason Samenow
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A FLASH FLOOD WARNING FOR WESTERN HOWARD COUNTY IN CENTRAL MARYLAND [AND] EASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...
By Jason Samenow |
02:55 PM ET, 09/27/2010 |
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Posted at 11:00 AM ET, 09/27/2010
By Jason Samenow
During all of September, the region has received just 0.81" of rain through yesterday, 2.5" below average. Though the immediate metro region is not officially in "drought", the U.S. Drought Monitor does state the region is "abnormally dry". Parts of western Virginia and western Maryland are officially designated drought areas, with isolated locations in severe drought.
Much of the region may make up at least the September portion of the current rainfall deficit in the next 24 hours, with 1-3" of rain forecast.
By Jason Samenow |
11:00 AM ET, 09/27/2010 |
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Posted at 10:45 AM ET, 08/19/2010
By Jason Samenow
* Drying out, more 90+ days on the way: Full Forecast * Some impressive rainfall totals have come in from yesterday's deluge that caused flooding in many locations. Thought I'd highlight some amounts which varied substantially (highest amounts from northern Fairfax county through northwest D.C. and into central/southern Montgomery county):...
By Jason Samenow |
10:45 AM ET, 08/19/2010 |
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Posted at 08:40 AM ET, 08/18/2010
By Mike McPhate
* Warning map | Full Forecast thru weekend | Storm impacts: PostLocal * * Outside now? Radar & more: Weather Wall | Share storm photos * updated at 10:50 a.m.; originally posted at 6:38 a.m. Flood warnings remain in effect for much of the area until 12:15 p.m. after what...
By Mike McPhate |
08:40 AM ET, 08/18/2010 |
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Posted at 09:50 AM ET, 03/14/2010
By Dan Stillman
Flood Warnings and Coastal Flood Warnings are in effect for rivers throughout the area as they continue to rise, and also along the Chesapeake Bay. Mostly minor to moderate is already happening or forecast between tonight and Tuesday along the metro area portions of the Potomac.
By Dan Stillman |
09:50 AM ET, 03/14/2010 |
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Posted at 11:00 AM ET, 03/12/2010
By Dan Stillman
* Flood Watch through Saturday evening: CWG's Full Forecast * * Flooding forces Frederick road closures | CWG T-Shirts! * * Outside now? Radar, temps & more: Weather Wall | Traffic * Flood threat: Outlined areas indicate risk of excessive rainfall capable of causing small streams to flood through Saturday...
By Dan Stillman |
11:00 AM ET, 03/12/2010 |
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Posted at 10:30 AM ET, 11/12/2009
By Jason Samenow
* Rain not going away: Full Forecast | Beaches bearing storm's brunt * The National Weather Service issued the following public information statement about the risk of street flooding: ...STREET FLOODING... SEVERAL INCHES OF RAIN ARE POSSIBLE OVER THE NEXT COUPLE OF DAYS...ESPECIALLY ALONG AND EAST OF INTERSTATE 95. THE...
By Jason Samenow |
10:30 AM ET, 11/12/2009 |
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Posted at 03:15 PM ET, 06/12/2009
By Jason Samenow
* Full Forecast | Are You a Severe Weather Junkie? | June Rains * Flooding in University Park, Md. Wednesday evening. By CWG visitor Christopher Blunck Thunderstorms dumped copious amounts of rain in College Park, Md. Wednesday evening leading to flash flooding. Capital Weather Gang visitor Christopher Blunck recorded 3.35"...
By Jason Samenow |
03:15 PM ET, 06/12/2009 |
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Posted at 01:10 PM ET, 09/06/2008
By Jason Samenow
Flash flooding a danger, mainly along and west of I-95 *Tropical Storm Warning near and east of I-95.* *Wind Advisory for north and west suburbs until 11 p.m.* *Flash Flood Watch for metro area through this evening* *Flash Flood Warning for D.C., Montgomery, Loudoun, Fairfax, Prince William and Stafford Counties*...
By Jason Samenow |
01:10 PM ET, 09/06/2008 |
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Posted at 11:00 AM ET, 08/20/2008
By Capital Weather Gang
Wx and the City By Ann Posegate While there is no flooding in sight for the Washington area (and slim chance for much-needed rain in the forecast for that matter), I still can't help but have flooding on my mind. Quite a few notable floods have occurred in the U.S....
By Capital Weather Gang |
11:00 AM ET, 08/20/2008 |
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Posted at 10:45 AM ET, 06/19/2008
By Dan Stillman
The mighty Mississippi is still rising after record rains, and the impacts are being felt far and wide, from breached levees to record food prices to a dozen or so unlucky pigs. But it wouldn't be a true natural disaster (or just how natural is it?) without Jon Stewart poking...
By Dan Stillman |
10:45 AM ET, 06/19/2008 |
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Posted at 12:00 PM ET, 05/12/2008
By Dan Stillman
All three of the D.C. area's major airports set daily records for rainfall yesterday. The 2.63 inches at Reagan National breaks the old record of 1.48 inches set in 1924. The 3.73 inches at Dulles breaks the old record of 0.78 inches in 2006. And the 1.49 inches at Baltimore-Washington...
By Dan Stillman |
12:00 PM ET, 05/12/2008 |
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