Deck Pic Posted February 27, 2014 Share Posted February 27, 2014 Note - IAD didnt start recording until 1963 so essentially, 1 out of every 3 winters for IAD and 1 out of every 7 winters for DCA... DCA/IAD *3/19-21/58 - 4.8" *3/1-2/60 - 7.9" *3/5-7/62 - 4.0" 3/31-4/1/64 - 5.2"/7.6" #2/29-3/1/68 - 6.1" #3/12/68 - 4.5" 3/1-2/69 - 4.2"/7.5" #3/9/76 - 6.4" 3/3/78 - 4.1"/4.9" 3/1-2/80 - 4.9"/6.4" #3/8/84 - 4.7" #3/29/84 - 4.2" #3/24-25/90 - 4.2" 3/12-14/93 - 6.6"/14.1" #3/1-3/94 - 6.4" #3/7-8/96 - 4.1" 3/9/99 - 8.4"/8.9" #3/14-15/99 - 5.4" 3/1-2/09 - 5.5"/6.0" *DCA Only #IAD Only Link to comment Share on other sites More sharing options...
Ji Posted February 27, 2014 Share Posted February 27, 2014 so basically to get double digit figures....you need a superstorm Link to comment Share on other sites More sharing options...
Deck Pic Posted February 27, 2014 Author Share Posted February 27, 2014 so basically to get double digit figures....you need a superstorm 1958 was probably over 15" and 1960 over 10" for IAD...plus there were obviously storms before 1950 Link to comment Share on other sites More sharing options...
WVclimo Posted February 27, 2014 Share Posted February 27, 2014 1958 was probably over 15" and 1960 over 10" for IAD...plus there were obviously storms before 1950 Only 10" at MRB in 1958, and 12" in '60. It's not a perfect north and west proxy for the pre-Dulles years, but it's useful sometimes when looking at specific events. Records at the same site since 1926, too. Link to comment Share on other sites More sharing options...
Deck Pic Posted February 28, 2014 Author Share Posted February 28, 2014 Only 10" at MRB in 1958, and 12" in '60. It's not a perfect north and west proxy for the pre-Dulles years, but it's useful sometimes when looking at specific events. Records at the same site since 1926, too. yeah..The extended DC metro jackpot was east of you on that one..IAD got 15"+ easy Link to comment Share on other sites More sharing options...
MN Transplant Posted February 28, 2014 Share Posted February 28, 2014 yeah..The extended DC metro jackpot was east of you on that one..IAD got 15"+ easy 13.3" at the Vienna coop. Link to comment Share on other sites More sharing options...
gymengineer Posted February 28, 2014 Share Posted February 28, 2014 yeah..The extended DC metro jackpot was east of you on that one..IAD got 15"+ easy Yup that one was 11 or 12 inches even inside the beltway and almost 20" by the time you got to central Montgomery County. It's still the record at over 30" for places in Frederick and Carroll counties. Link to comment Share on other sites More sharing options...
Deck Pic Posted March 3, 2014 Author Share Posted March 3, 2014 looks like DCA will just miss joining the list of 10 events...IAD will join the list Link to comment Share on other sites More sharing options...
RodneyS Posted March 7, 2014 Share Posted March 7, 2014 #3/8/84 - 4.7" We are about to reach 30 years since this event, which involved possibly my most memorable afternoon commute from DC to Reston, VA. I was driving in a van pool at the time, and was anticipating a routine (Thursday) trip home, when -- just east of Key Bridge at about 5 PM-- I heard a clap of thunder. Freezing rain then began falling, and both I-66 inside the Beltway and the eastern portion of the Dulles Access Road (not the Toll Road, which was just being built at that time) quickly became a sheet of ice. Both commuter buses and car pools were allowed to use the Access Road in 1984, but a number of them had spun-out off of it near the Beltway. I wasn't sure whether to keep on driving or pull over, but decided I might get rear-ended if I pulled over. Fortunately, the further west I drove on the Access Road, the better the conditions, as this was almost entirely a snow event at IAD (4.7 inches of snow, with only 0.15 inches of precipitation), whereas in DC and the closer-in Virginia suburbs it was a decidedly mixed event (1.5 inches of snow, with 0.26 inches of precipitation at DCA). I arrived in Reston about an hour late, but very thankful to have avoided a spin-out. Link to comment Share on other sites More sharing options...
EastCoast NPZ Posted March 7, 2014 Share Posted March 7, 2014 We are about to reach 30 years since this event, which involved possibly my most memorable afternoon commute from DC to Reston, VA. I was driving in a van pool at the time, and was anticipating a routine (Thursday) trip home, when -- just east of Key Bridge at about 5 PM-- I heard a clap of thunder. Freezing rain then began falling, and both I-66 inside the Beltway and the eastern portion of the Dulles Access Road (not the Toll Road, which was just being built at that time) quickly became a sheet of ice. Both commuter buses and car pools were allowed to use the Access Road in 1984, but a number of them had spun-out off of it near the Beltway. I wasn't sure whether to keep on driving or pull over, but decided I might get rear-ended if I pulled over. Fortunately, the further west I drove on the Access Road, the better the conditions, as this was almost entirely a snow event at IAD (4.7 inches of snow, with only 0.15 inches of precipitation), whereas in DC and the closer-in Virginia suburbs it was a decidedly mixed event (1.5 inches of snow, with 0.26 inches of precipitation at DCA). I arrived in Reston about an hour late, but very thankful to have avoided a spin-out. 4.7" with only .15 in precip? In March? Someone messed up their obs. Link to comment Share on other sites More sharing options...
wxdude64 Posted March 7, 2014 Share Posted March 7, 2014 4.7" with only .15 in precip? In March? Someone messed up their obs. I'd say, what is that..30 to 1 in March?....not likely to happen. Link to comment Share on other sites More sharing options...
RodneyS Posted March 7, 2014 Share Posted March 7, 2014 4.7" with only .15 in precip? In March? Someone messed up their obs. Very likely, but the temperature range at IAD that day was 38/20, and from memory I would guess that the 20 may have occurred during the storm. I distinctly remember how dramatically the temperature fell during the storm, and so a relatively high ratio was quite possible. Realistically, however, it was probably more like 4.7 inches of snow with perhaps 0.25 inches of precipitation. Link to comment Share on other sites More sharing options...
Ji Posted March 8, 2014 Share Posted March 8, 2014 if only IAD was around in the 1957 Link to comment Share on other sites More sharing options...
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